Add ReaderWriterQueue and update ConcurrentQueue

include/icsneo/third-party/readerwriterqueue/.gitignore

@@ -0,0 +1,26 @@
+*.ipch
+*.suo
+*.user
+*.sdf
+*.opensdf
+*.exe
+*.VC.db
+.vs/
+tests/stabtest/msvc*/Debug/
+tests/stabtest/msvc*/Release/
+tests/stabtest/msvc*/obj/
+tests/stabtest/msvc*/log.txt
+tests/stabtest/log.txt
+tests/unittests/msvc*/Debug/
+tests/unittests/msvc*/Release/
+tests/unittests/msvc*/obj/
+tests/CDSChecker/model-checker/
+benchmarks/msvc*/Debug/
+benchmarks/msvc*/Release/
+benchmarks/msvc*/obj/
+test/
+# Linux binaries
+benchmarks/benchmarks
+tests/stabtest/stabtest
+tests/unittests/unittests
+

include/icsneo/third-party/readerwriterqueue/LICENSE.md

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+This license applies to all the code in this repository except that written by third
+parties, namely the files in benchmarks/ext, which have their own licenses, and Jeff
+Preshing's semaphore implementation (used in the blocking queue) which has a zlib
+license (embedded in atomicops.h).
+
+Simplified BSD License:
+
+Copyright (c) 2013-2015, Cameron Desrochers  
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+- Redistributions of source code must retain the above copyright notice, this list of
+conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice, this list of
+conditions and the following disclaimer in the documentation and/or other materials
+provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

include/icsneo/third-party/readerwriterqueue/README.md

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+# A single-producer, single-consumer lock-free queue for C++
+
+This mini-repository has my very own implementation of a lock-free queue (that I designed from scratch) for C++.
+
+It only supports a two-thread use case (one consuming, and one producing). The threads can't switch roles, though
+you could use this queue completely from a single thread if you wish (but that would sort of defeat the purpose!).
+
+Note: If you need a general-purpose multi-producer, multi-consumer lock free queue, I have [one of those too][mpmc].
+
+
+## Features
+
+- [Blazing fast][benchmarks]
+- Compatible with C++11 (supports moving objects instead of making copies)
+- Fully generic (templated container of any type) -- just like `std::queue`, you never need to allocate memory for elements yourself
+  (which saves you the hassle of writing a lock-free memory manager to hold the elements you're queueing)
+- Allocates memory up front, in contiguous blocks
+- Provides a `try_enqueue` method which is guaranteed never to allocate memory (the queue starts with an initial capacity)
+- Also provides an `enqueue` method which can dynamically grow the size of the queue as needed
+- Also provides `try_emplace`/`emplace` convenience methods
+- Has a blocking version with `wait_dequeue`
+- Completely "wait-free" (no compare-and-swap loop). Enqueue and dequeue are always O(1) (not counting memory allocation)
+- On x86, the memory barriers compile down to no-ops, meaning enqueue and dequeue are just a simple series of loads and stores (and branches)
+
+
+## Use
+
+Simply drop the readerwriterqueue.h and atomicops.h files into your source code and include them :-)
+A modern compiler is required (MSVC2010+, GCC 4.7+, ICC 13+, or any C++11 compliant compiler should work).
+
+Note: If you're using GCC, you really do need GCC 4.7 or above -- [4.6 has a bug][gcc46bug] that prevents the atomic fence primitives
+from working correctly.
+
+Example:
+
+```cpp
+using namespace moodycamel;
+
+ReaderWriterQueue<int> q(100);       // Reserve space for at least 100 elements up front
+
+q.enqueue(17);                       // Will allocate memory if the queue is full
+bool succeeded = q.try_enqueue(18);  // Will only succeed if the queue has an empty slot (never allocates)
+assert(succeeded);
+
+int number;
+succeeded = q.try_dequeue(number);  // Returns false if the queue was empty
+
+assert(succeeded && number == 17);
+
+// You can also peek at the front item of the queue (consumer only)
+int* front = q.peek();
+assert(*front == 18);
+succeeded = q.try_dequeue(number);
+assert(succeeded && number == 18);
+front = q.peek(); 
+assert(front == nullptr);           // Returns nullptr if the queue was empty
+```
+
+The blocking version has the exact same API, with the addition of `wait_dequeue` and
+`wait_dequeue_timed` methods:
+
+```cpp
+BlockingReaderWriterQueue<int> q;
+
+std::thread reader([&]() {
+    int item;
+    for (int i = 0; i != 100; ++i) {
+        // Fully-blocking:
+        q.wait_dequeue(item);
+
+        // Blocking with timeout
+        if (q.wait_dequeue_timed(item, std::chrono::milliseconds(5)))
+            ++i;
+    }
+});
+std::thread writer([&]() {
+    for (int i = 0; i != 100; ++i) {
+        q.enqueue(i);
+        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+    }
+});
+writer.join();
+reader.join();
+
+assert(q.size_approx() == 0);
+```
+    
+Note that `wait_dequeue` will block indefinitely while the queue is empty; this
+means care must be taken to only call `wait_dequeue` if you're sure another element
+will come along eventually, or if the queue has a static lifetime. This is because
+destroying the queue while a thread is waiting on it will invoke undefined behaviour.
+
+    
+## Disclaimers
+
+The queue should only be used on platforms where aligned integer and pointer access is atomic; fortunately, that
+includes all modern processors (e.g. x86/x86-64, ARM, and PowerPC). *Not* for use with a DEC Alpha processor (which has very weak memory ordering) :-)
+
+Note that it's only been tested on x86(-64); if someone has access to other processors I'd love to run some tests on
+anything that's not x86-based.
+
+Finally, I am not an expert. This is my first foray into lock-free programming, and though I'm confident in the code,
+it's possible that there are bugs despite the effort I put into designing and testing this data structure.
+
+Use this code at your own risk; in particular, lock-free programming is a patent minefield, and this code may very
+well violate a pending patent (I haven't looked). It's worth noting that I came up with this algorithm and
+implementation from scratch, independent of any existing lock-free queues.
+
+
+## More info
+
+See the [LICENSE.md][license] file for the license (simplified BSD).
+
+My [blog post][blog] introduces the context that led to this code, and may be of interest if you're curious
+about lock-free programming.
+
+
+[blog]: http://moodycamel.com/blog/2013/a-fast-lock-free-queue-for-c++
+[license]: LICENSE.md
+[benchmarks]: http://moodycamel.com/blog/2013/a-fast-lock-free-queue-for-c++#benchmarks
+[gcc46bug]: http://stackoverflow.com/questions/16429669/stdatomic-thread-fence-has-undefined-reference
+[mpmc]: https://github.com/cameron314/concurrentqueue

include/icsneo/third-party/readerwriterqueue/atomicops.h

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+// ©2013-2016 Cameron Desrochers.
+// Distributed under the simplified BSD license (see the license file that
+// should have come with this header).
+// Uses Jeff Preshing's semaphore implementation (under the terms of its
+// separate zlib license, embedded below).
+
+#pragma once
+
+// Provides portable (VC++2010+, Intel ICC 13, GCC 4.7+, and anything C++11 compliant) implementation
+// of low-level memory barriers, plus a few semi-portable utility macros (for inlining and alignment).
+// Also has a basic atomic type (limited to hardware-supported atomics with no memory ordering guarantees).
+// Uses the AE_* prefix for macros (historical reasons), and the "moodycamel" namespace for symbols.
+
+#include <cerrno>
+#include <cassert>
+#include <type_traits>
+#include <cerrno>
+#include <cstdint>
+#include <ctime>
+
+// Platform detection
+#if defined(__INTEL_COMPILER)
+#define AE_ICC
+#elif defined(_MSC_VER)
+#define AE_VCPP
+#elif defined(__GNUC__)
+#define AE_GCC
+#endif
+
+#if defined(_M_IA64) || defined(__ia64__)
+#define AE_ARCH_IA64
+#elif defined(_WIN64) || defined(__amd64__) || defined(_M_X64) || defined(__x86_64__)
+#define AE_ARCH_X64
+#elif defined(_M_IX86) || defined(__i386__)
+#define AE_ARCH_X86
+#elif defined(_M_PPC) || defined(__powerpc__)
+#define AE_ARCH_PPC
+#else
+#define AE_ARCH_UNKNOWN
+#endif
+
+
+// AE_UNUSED
+#define AE_UNUSED(x) ((void)x)
+
+// AE_NO_TSAN
+#if defined(__has_feature)
+#if __has_feature(thread_sanitizer)
+#define AE_NO_TSAN __attribute__((no_sanitize("thread")))
+#else
+#define AE_NO_TSAN
+#endif
+#else
+#define AE_NO_TSAN
+#endif
+
+
+// AE_FORCEINLINE
+#if defined(AE_VCPP) || defined(AE_ICC)
+#define AE_FORCEINLINE __forceinline
+#elif defined(AE_GCC)
+//#define AE_FORCEINLINE __attribute__((always_inline)) 
+#define AE_FORCEINLINE inline
+#else
+#define AE_FORCEINLINE inline
+#endif
+
+
+// AE_ALIGN
+#if defined(AE_VCPP) || defined(AE_ICC)
+#define AE_ALIGN(x) __declspec(align(x))
+#elif defined(AE_GCC)
+#define AE_ALIGN(x) __attribute__((aligned(x)))
+#else
+// Assume GCC compliant syntax...
+#define AE_ALIGN(x) __attribute__((aligned(x)))
+#endif
+
+
+// Portable atomic fences implemented below:
+
+namespace moodycamel {
+
+enum memory_order {
+	memory_order_relaxed,
+	memory_order_acquire,
+	memory_order_release,
+	memory_order_acq_rel,
+	memory_order_seq_cst,
+
+	// memory_order_sync: Forces a full sync:
+	// #LoadLoad, #LoadStore, #StoreStore, and most significantly, #StoreLoad
+	memory_order_sync = memory_order_seq_cst
+};
+
+}    // end namespace moodycamel
+
+#if (defined(AE_VCPP) && (_MSC_VER < 1700 || defined(__cplusplus_cli))) || (defined(AE_ICC) && __INTEL_COMPILER < 1600)
+// VS2010 and ICC13 don't support std::atomic_*_fence, implement our own fences
+
+#include <intrin.h>
+
+#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
+#define AeFullSync _mm_mfence
+#define AeLiteSync _mm_mfence
+#elif defined(AE_ARCH_IA64)
+#define AeFullSync __mf
+#define AeLiteSync __mf
+#elif defined(AE_ARCH_PPC)
+#include <ppcintrinsics.h>
+#define AeFullSync __sync
+#define AeLiteSync __lwsync
+#endif
+
+
+#ifdef AE_VCPP
+#pragma warning(push)
+#pragma warning(disable: 4365)		// Disable erroneous 'conversion from long to unsigned int, signed/unsigned mismatch' error when using `assert`
+#ifdef __cplusplus_cli
+#pragma managed(push, off)
+#endif
+#endif
+
+namespace moodycamel {
+
+AE_FORCEINLINE void compiler_fence(memory_order order) AE_NO_TSAN
+{
+	switch (order) {
+		case memory_order_relaxed: break;
+		case memory_order_acquire: _ReadBarrier(); break;
+		case memory_order_release: _WriteBarrier(); break;
+		case memory_order_acq_rel: _ReadWriteBarrier(); break;
+		case memory_order_seq_cst: _ReadWriteBarrier(); break;
+		default: assert(false);
+	}
+}
+
+// x86/x64 have a strong memory model -- all loads and stores have
+// acquire and release semantics automatically (so only need compiler
+// barriers for those).
+#if defined(AE_ARCH_X86) || defined(AE_ARCH_X64)
+AE_FORCEINLINE void fence(memory_order order) AE_NO_TSAN
+{
+	switch (order) {
+		case memory_order_relaxed: break;
+		case memory_order_acquire: _ReadBarrier(); break;
+		case memory_order_release: _WriteBarrier(); break;
+		case memory_order_acq_rel: _ReadWriteBarrier(); break;
+		case memory_order_seq_cst:
+			_ReadWriteBarrier();
+			AeFullSync();
+			_ReadWriteBarrier();
+			break;
+		default: assert(false);
+	}
+}
+#else
+AE_FORCEINLINE void fence(memory_order order) AE_NO_TSAN
+{
+	// Non-specialized arch, use heavier memory barriers everywhere just in case :-(
+	switch (order) {
+		case memory_order_relaxed:
+			break;
+		case memory_order_acquire:
+			_ReadBarrier();
+			AeLiteSync();
+			_ReadBarrier();
+			break;
+		case memory_order_release:
+			_WriteBarrier();
+			AeLiteSync();
+			_WriteBarrier();
+			break;
+		case memory_order_acq_rel:
+			_ReadWriteBarrier();
+			AeLiteSync();
+			_ReadWriteBarrier();
+			break;
+		case memory_order_seq_cst:
+			_ReadWriteBarrier();
+			AeFullSync();
+			_ReadWriteBarrier();
+			break;
+		default: assert(false);
+	}
+}
+#endif
+}    // end namespace moodycamel
+#else
+// Use standard library of atomics
+#include <atomic>
+
+namespace moodycamel {
+
+AE_FORCEINLINE void compiler_fence(memory_order order) AE_NO_TSAN
+{
+	switch (order) {
+		case memory_order_relaxed: break;
+		case memory_order_acquire: std::atomic_signal_fence(std::memory_order_acquire); break;
+		case memory_order_release: std::atomic_signal_fence(std::memory_order_release); break;
+		case memory_order_acq_rel: std::atomic_signal_fence(std::memory_order_acq_rel); break;
+		case memory_order_seq_cst: std::atomic_signal_fence(std::memory_order_seq_cst); break;
+		default: assert(false);
+	}
+}
+
+AE_FORCEINLINE void fence(memory_order order) AE_NO_TSAN
+{
+	switch (order) {
+		case memory_order_relaxed: break;
+		case memory_order_acquire: std::atomic_thread_fence(std::memory_order_acquire); break;
+		case memory_order_release: std::atomic_thread_fence(std::memory_order_release); break;
+		case memory_order_acq_rel: std::atomic_thread_fence(std::memory_order_acq_rel); break;
+		case memory_order_seq_cst: std::atomic_thread_fence(std::memory_order_seq_cst); break;
+		default: assert(false);
+	}
+}
+
+}    // end namespace moodycamel
+
+#endif
+
+
+#if !defined(AE_VCPP) || (_MSC_VER >= 1700 && !defined(__cplusplus_cli))
+#define AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
+#endif
+
+#ifdef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
+#include <atomic>
+#endif
+#include <utility>
+
+// WARNING: *NOT* A REPLACEMENT FOR std::atomic. READ CAREFULLY:
+// Provides basic support for atomic variables -- no memory ordering guarantees are provided.
+// The guarantee of atomicity is only made for types that already have atomic load and store guarantees
+// at the hardware level -- on most platforms this generally means aligned pointers and integers (only).
+namespace moodycamel {
+template<typename T>
+class weak_atomic
+{
+public:
+	AE_NO_TSAN weak_atomic() { }
+#ifdef AE_VCPP
+#pragma warning(push)
+#pragma warning(disable: 4100)		// Get rid of (erroneous) 'unreferenced formal parameter' warning
+#endif
+	template<typename U> AE_NO_TSAN weak_atomic(U&& x) : value(std::forward<U>(x)) {  }
+#ifdef __cplusplus_cli
+	// Work around bug with universal reference/nullptr combination that only appears when /clr is on
+	AE_NO_TSAN weak_atomic(nullptr_t) : value(nullptr) {  }
+#endif
+	AE_NO_TSAN weak_atomic(weak_atomic const& other) : value(other.load()) {  }
+	AE_NO_TSAN weak_atomic(weak_atomic&& other) : value(std::move(other.load())) {  }
+#ifdef AE_VCPP
+#pragma warning(pop)
+#endif
+
+	AE_FORCEINLINE operator T() const AE_NO_TSAN { return load(); }
+
+	
+#ifndef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
+	template<typename U> AE_FORCEINLINE weak_atomic const& operator=(U&& x) AE_NO_TSAN { value = std::forward<U>(x); return *this; }
+	AE_FORCEINLINE weak_atomic const& operator=(weak_atomic const& other) AE_NO_TSAN { value = other.value; return *this; }
+	
+	AE_FORCEINLINE T load() const AE_NO_TSAN { return value; }
+	
+	AE_FORCEINLINE T fetch_add_acquire(T increment) AE_NO_TSAN
+	{
+#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
+		if (sizeof(T) == 4) return _InterlockedExchangeAdd((long volatile*)&value, (long)increment);
+#if defined(_M_AMD64)
+		else if (sizeof(T) == 8) return _InterlockedExchangeAdd64((long long volatile*)&value, (long long)increment);
+#endif
+#else
+#error Unsupported platform
+#endif
+		assert(false && "T must be either a 32 or 64 bit type");
+		return value;
+	}
+	
+	AE_FORCEINLINE T fetch_add_release(T increment) AE_NO_TSAN
+	{
+#if defined(AE_ARCH_X64) || defined(AE_ARCH_X86)
+		if (sizeof(T) == 4) return _InterlockedExchangeAdd((long volatile*)&value, (long)increment);
+#if defined(_M_AMD64)
+		else if (sizeof(T) == 8) return _InterlockedExchangeAdd64((long long volatile*)&value, (long long)increment);
+#endif
+#else
+#error Unsupported platform
+#endif
+		assert(false && "T must be either a 32 or 64 bit type");
+		return value;
+	}
+#else
+	template<typename U>
+	AE_FORCEINLINE weak_atomic const& operator=(U&& x) AE_NO_TSAN
+	{
+		value.store(std::forward<U>(x), std::memory_order_relaxed);
+		return *this;
+	}
+	
+	AE_FORCEINLINE weak_atomic const& operator=(weak_atomic const& other) AE_NO_TSAN
+	{
+		value.store(other.value.load(std::memory_order_relaxed), std::memory_order_relaxed);
+		return *this;
+	}
+
+	AE_FORCEINLINE T load() const AE_NO_TSAN { return value.load(std::memory_order_relaxed); }
+	
+	AE_FORCEINLINE T fetch_add_acquire(T increment) AE_NO_TSAN
+	{
+		return value.fetch_add(increment, std::memory_order_acquire);
+	}
+	
+	AE_FORCEINLINE T fetch_add_release(T increment) AE_NO_TSAN
+	{
+		return value.fetch_add(increment, std::memory_order_release);
+	}
+#endif
+	
+
+private:
+#ifndef AE_USE_STD_ATOMIC_FOR_WEAK_ATOMIC
+	// No std::atomic support, but still need to circumvent compiler optimizations.
+	// `volatile` will make memory access slow, but is guaranteed to be reliable.
+	volatile T value;
+#else
+	std::atomic<T> value;
+#endif
+};
+
+}	// end namespace moodycamel
+
+
+
+// Portable single-producer, single-consumer semaphore below:
+
+#if defined(_WIN32)
+// Avoid including windows.h in a header; we only need a handful of
+// items, so we'll redeclare them here (this is relatively safe since
+// the API generally has to remain stable between Windows versions).
+// I know this is an ugly hack but it still beats polluting the global
+// namespace with thousands of generic names or adding a .cpp for nothing.
+extern "C" {
+	struct _SECURITY_ATTRIBUTES;
+	__declspec(dllimport) void* __stdcall CreateSemaphoreW(_SECURITY_ATTRIBUTES* lpSemaphoreAttributes, long lInitialCount, long lMaximumCount, const wchar_t* lpName);
+	__declspec(dllimport) int __stdcall CloseHandle(void* hObject);
+	__declspec(dllimport) unsigned long __stdcall WaitForSingleObject(void* hHandle, unsigned long dwMilliseconds);
+	__declspec(dllimport) int __stdcall ReleaseSemaphore(void* hSemaphore, long lReleaseCount, long* lpPreviousCount);
+}
+#elif defined(__MACH__)
+#include <mach/mach.h>
+#elif defined(__unix__)
+#include <semaphore.h>
+#endif
+
+namespace moodycamel
+{
+	// Code in the spsc_sema namespace below is an adaptation of Jeff Preshing's
+	// portable + lightweight semaphore implementations, originally from
+	// https://github.com/preshing/cpp11-on-multicore/blob/master/common/sema.h
+	// LICENSE:
+	// Copyright (c) 2015 Jeff Preshing
+	//
+	// This software is provided 'as-is', without any express or implied
+	// warranty. In no event will the authors be held liable for any damages
+	// arising from the use of this software.
+	//
+	// Permission is granted to anyone to use this software for any purpose,
+	// including commercial applications, and to alter it and redistribute it
+	// freely, subject to the following restrictions:
+	//
+	// 1. The origin of this software must not be misrepresented; you must not
+	//    claim that you wrote the original software. If you use this software
+	//    in a product, an acknowledgement in the product documentation would be
+	//    appreciated but is not required.
+	// 2. Altered source versions must be plainly marked as such, and must not be
+	//    misrepresented as being the original software.
+	// 3. This notice may not be removed or altered from any source distribution.
+	namespace spsc_sema
+	{
+#if defined(_WIN32)
+		class Semaphore
+		{
+		private:
+		    void* m_hSema;
+		    
+		    Semaphore(const Semaphore& other);
+		    Semaphore& operator=(const Semaphore& other);
+
+		public:
+		    AE_NO_TSAN Semaphore(int initialCount = 0)
+		    {
+		        assert(initialCount >= 0);
+		        const long maxLong = 0x7fffffff;
+		        m_hSema = CreateSemaphoreW(nullptr, initialCount, maxLong, nullptr);
+		        assert(m_hSema);
+		    }
+
+		    AE_NO_TSAN ~Semaphore()
+		    {
+		        CloseHandle(m_hSema);
+		    }
+
+		    bool wait() AE_NO_TSAN
+		    {
+		    	const unsigned long infinite = 0xffffffff;
+		        return WaitForSingleObject(m_hSema, infinite) == 0;
+		    }
+
+			bool try_wait() AE_NO_TSAN
+			{
+				return WaitForSingleObject(m_hSema, 0) == 0;
+			}
+
+			bool timed_wait(std::uint64_t usecs) AE_NO_TSAN
+			{
+				return WaitForSingleObject(m_hSema, (unsigned long)(usecs / 1000)) == 0;
+			}
+
+		    void signal(int count = 1) AE_NO_TSAN
+		    {
+		        while (!ReleaseSemaphore(m_hSema, count, nullptr));
+		    }
+		};
+#elif defined(__MACH__)
+		//---------------------------------------------------------
+		// Semaphore (Apple iOS and OSX)
+		// Can't use POSIX semaphores due to http://lists.apple.com/archives/darwin-kernel/2009/Apr/msg00010.html
+		//---------------------------------------------------------
+		class Semaphore
+		{
+		private:
+		    semaphore_t m_sema;
+
+		    Semaphore(const Semaphore& other);
+		    Semaphore& operator=(const Semaphore& other);
+
+		public:
+		    AE_NO_TSAN Semaphore(int initialCount = 0)
+		    {
+		        assert(initialCount >= 0);
+		        kern_return_t rc = semaphore_create(mach_task_self(), &m_sema, SYNC_POLICY_FIFO, initialCount);
+		        assert(rc == KERN_SUCCESS);
+		        AE_UNUSED(rc);
+		    }
+
+		    AE_NO_TSAN ~Semaphore()
+		    {
+		        semaphore_destroy(mach_task_self(), m_sema);
+		    }
+
+		    bool wait() AE_NO_TSAN
+		    {
+		        return semaphore_wait(m_sema) == KERN_SUCCESS;
+		    }
+
+			bool try_wait() AE_NO_TSAN
+			{
+				return timed_wait(0);
+			}
+
+			bool timed_wait(std::int64_t timeout_usecs) AE_NO_TSAN
+			{
+				mach_timespec_t ts;
+				ts.tv_sec = static_cast<unsigned int>(timeout_usecs / 1000000);
+				ts.tv_nsec = (timeout_usecs % 1000000) * 1000;
+
+				// added in OSX 10.10: https://developer.apple.com/library/prerelease/mac/documentation/General/Reference/APIDiffsMacOSX10_10SeedDiff/modules/Darwin.html
+				kern_return_t rc = semaphore_timedwait(m_sema, ts);
+				return rc == KERN_SUCCESS;
+			}
+
+		    void signal() AE_NO_TSAN
+		    {
+		        while (semaphore_signal(m_sema) != KERN_SUCCESS);
+		    }
+
+		    void signal(int count) AE_NO_TSAN
+		    {
+		        while (count-- > 0)
+		        {
+		            while (semaphore_signal(m_sema) != KERN_SUCCESS);
+		        }
+		    }
+		};
+#elif defined(__unix__)
+		//---------------------------------------------------------
+		// Semaphore (POSIX, Linux)
+		//---------------------------------------------------------
+		class Semaphore
+		{
+		private:
+		    sem_t m_sema;
+
+		    Semaphore(const Semaphore& other);
+		    Semaphore& operator=(const Semaphore& other);
+
+		public:
+		    AE_NO_TSAN Semaphore(int initialCount = 0)
+		    {
+		        assert(initialCount >= 0);
+		        int rc = sem_init(&m_sema, 0, initialCount);
+		        assert(rc == 0);
+		        AE_UNUSED(rc);
+		    }
+
+		    AE_NO_TSAN ~Semaphore()
+		    {
+		        sem_destroy(&m_sema);
+		    }
+
+		    bool wait() AE_NO_TSAN
+		    {
+		        // http://stackoverflow.com/questions/2013181/gdb-causes-sem-wait-to-fail-with-eintr-error
+		        int rc;
+		        do
+		        {
+		            rc = sem_wait(&m_sema);
+		        }
+		        while (rc == -1 && errno == EINTR);
+		        return rc == 0;
+		    }
+
+			bool try_wait() AE_NO_TSAN
+			{
+				int rc;
+				do {
+					rc = sem_trywait(&m_sema);
+				} while (rc == -1 && errno == EINTR);
+				return rc == 0;
+			}
+
+			bool timed_wait(std::uint64_t usecs) AE_NO_TSAN
+			{
+				struct timespec ts;
+				const int usecs_in_1_sec = 1000000;
+				const int nsecs_in_1_sec = 1000000000;
+				clock_gettime(CLOCK_REALTIME, &ts);
+				ts.tv_sec += usecs / usecs_in_1_sec;
+				ts.tv_nsec += (usecs % usecs_in_1_sec) * 1000;
+				// sem_timedwait bombs if you have more than 1e9 in tv_nsec
+				// so we have to clean things up before passing it in
+				if (ts.tv_nsec >= nsecs_in_1_sec) {
+					ts.tv_nsec -= nsecs_in_1_sec;
+					++ts.tv_sec;
+				}
+
+				int rc;
+				do {
+					rc = sem_timedwait(&m_sema, &ts);
+				} while (rc == -1 && errno == EINTR);
+				return rc == 0;
+			}
+
+		    void signal() AE_NO_TSAN
+		    {
+		        while (sem_post(&m_sema) == -1);
+		    }
+
+		    void signal(int count) AE_NO_TSAN
+		    {
+		        while (count-- > 0)
+		        {
+		            while (sem_post(&m_sema) == -1);
+		        }
+		    }
+		};
+#else
+#error Unsupported platform! (No semaphore wrapper available)
+#endif
+
+		//---------------------------------------------------------
+		// LightweightSemaphore
+		//---------------------------------------------------------
+		class LightweightSemaphore
+		{
+		public:
+			typedef std::make_signed<std::size_t>::type ssize_t;
+			
+		private:
+		    weak_atomic<ssize_t> m_count;
+		    Semaphore m_sema;
+
+		    bool waitWithPartialSpinning(std::int64_t timeout_usecs = -1) AE_NO_TSAN
+		    {
+		        ssize_t oldCount;
+		        // Is there a better way to set the initial spin count?
+		        // If we lower it to 1000, testBenaphore becomes 15x slower on my Core i7-5930K Windows PC,
+		        // as threads start hitting the kernel semaphore.
+		        int spin = 10000;
+		        while (--spin >= 0)
+		        {
+		            if (m_count.load() > 0)
+		            {
+		                m_count.fetch_add_acquire(-1);
+		                return true;
+		            }
+		            compiler_fence(memory_order_acquire);     // Prevent the compiler from collapsing the loop.
+		        }
+		        oldCount = m_count.fetch_add_acquire(-1);
+				if (oldCount > 0)
+					return true;
+		        if (timeout_usecs < 0)
+					return m_sema.wait();
+				if (m_sema.timed_wait(timeout_usecs))
+					return true;
+				// At this point, we've timed out waiting for the semaphore, but the
+				// count is still decremented indicating we may still be waiting on
+				// it. So we have to re-adjust the count, but only if the semaphore
+				// wasn't signaled enough times for us too since then. If it was, we
+				// need to release the semaphore too.
+				while (true)
+				{
+					oldCount = m_count.fetch_add_release(1);
+					if (oldCount < 0)
+						return false;    // successfully restored things to the way they were
+					// Oh, the producer thread just signaled the semaphore after all. Try again:
+					oldCount = m_count.fetch_add_acquire(-1);
+					if (oldCount > 0 && m_sema.try_wait())
+						return true;
+				}
+		    }
+
+		public:
+		    AE_NO_TSAN LightweightSemaphore(ssize_t initialCount = 0) : m_count(initialCount)
+		    {
+		        assert(initialCount >= 0);
+		    }
+
+		    bool tryWait() AE_NO_TSAN
+		    {
+		        if (m_count.load() > 0)
+		        {
+		        	m_count.fetch_add_acquire(-1);
+		        	return true;
+		        }
+		        return false;
+		    }
+
+		    bool wait() AE_NO_TSAN
+		    {
+		        return tryWait() || waitWithPartialSpinning();
+		    }
+
+			bool wait(std::int64_t timeout_usecs) AE_NO_TSAN
+			{
+				return tryWait() || waitWithPartialSpinning(timeout_usecs);
+			}
+
+		    void signal(ssize_t count = 1) AE_NO_TSAN
+		    {
+		    	assert(count >= 0);
+		        ssize_t oldCount = m_count.fetch_add_release(count);
+		        assert(oldCount >= -1);
+		        if (oldCount < 0)
+		        {
+		            m_sema.signal(1);
+		        }
+		    }
+		    
+		    ssize_t availableApprox() const AE_NO_TSAN
+		    {
+		    	ssize_t count = m_count.load();
+		    	return count > 0 ? count : 0;
+		    }
+		};
+	}	// end namespace spsc_sema
+}	// end namespace moodycamel
+
+#if defined(AE_VCPP) && (_MSC_VER < 1700 || defined(__cplusplus_cli))
+#pragma warning(pop)
+#ifdef __cplusplus_cli
+#pragma managed(pop)
+#endif
+#endif

include/icsneo/third-party/readerwriterqueue/benchmarks/bench.cpp

@@ -0,0 +1,434 @@
+// ©2013-2015 Cameron Desrochers.
+// Distributed under the simplified BSD license (see the LICENSE file that
+// should have come with this file).
+
+// Benchmarks for moodycamel::ReaderWriterQueue.
+
+#if defined(_MSC_VER) && _MSC_VER < 1700
+#define NO_FOLLY_SUPPORT
+#endif
+
+#if !defined(__amd64__) && !defined(_M_X64) && !defined(__x86_64__) && !defined(_M_IX86) && !defined(__i386__)
+#define NO_SPSC_SUPPORT  // SPSC implementation is for x86 only
+#endif
+
+#include "ext/1024cores/spscqueue.h"            // Dmitry's (on Intel site)
+#ifndef NO_FOLLY_SUPPORT
+#include "ext/folly/ProducerConsumerQueue.h"    // Facebook's folly (GitHub)
+#endif
+#include "../readerwriterqueue.h"               // Mine
+#include "systemtime.h"
+#include "../tests/common/simplethread.h"
+
+#include <iostream>
+#include <iomanip>
+#include <numeric>		// For std::accumulate
+#include <algorithm>
+#include <random>
+#include <ctime>
+
+#ifndef UNUSED
+#define UNUSED(x) ((void)x);
+#endif
+
+using namespace moodycamel;
+#ifndef NO_FOLLY_SUPPORT
+using namespace folly;
+#endif
+
+
+typedef std::minstd_rand RNG_t;
+
+
+enum BenchmarkType {
+	bench_raw_add,
+	bench_raw_remove,
+	bench_empty_remove,
+	bench_single_threaded,
+	bench_mostly_add,
+	bench_mostly_remove,
+	bench_heavy_concurrent,
+	bench_random_concurrent,
+
+	BENCHMARK_COUNT
+};
+
+
+// Returns the number of seconds elapsed (high-precision), and the number of enqueue/dequeue
+// operations performed (in the out_Ops parameter)
+template<typename TQueue>
+double runBenchmark(BenchmarkType benchmark, unsigned int randomSeed, double& out_Ops);
+
+const int BENCHMARK_NAME_MAX = 17;		// Not including null terminator
+const char* benchmarkName(BenchmarkType benchmark);
+
+
+int main(int argc, char** argv)
+{
+#ifdef NDEBUG
+	const int TEST_COUNT = 25;
+#else
+	const int TEST_COUNT = 2;
+#endif
+	assert(TEST_COUNT >= 2);
+
+	const double FASTEST_PERCENT_CONSIDERED = 20;		// Consider only the fastest runs in the top 20%
+
+	double rwqResults[BENCHMARK_COUNT][TEST_COUNT];
+	double spscResults[BENCHMARK_COUNT][TEST_COUNT];
+	double follyResults[BENCHMARK_COUNT][TEST_COUNT];
+	
+	// Also calculate a rough heuristic of "ops/s" (across all runs, not just fastest)
+	double rwqOps[BENCHMARK_COUNT][TEST_COUNT];
+	double spscOps[BENCHMARK_COUNT][TEST_COUNT];
+	double follyOps[BENCHMARK_COUNT][TEST_COUNT];
+
+	// Make sure the randomness of each benchmark run is identical
+	unsigned int randSeeds[BENCHMARK_COUNT];
+	for (unsigned int i = 0; i != BENCHMARK_COUNT; ++i) {
+		randSeeds[i] = ((unsigned int)time(NULL)) * i;
+	}
+
+	// Run benchmarks
+	for (int benchmark = 0; benchmark < BENCHMARK_COUNT; ++benchmark) {
+		for (int i = 0; i < TEST_COUNT; ++i) {
+			rwqResults[benchmark][i] = runBenchmark<ReaderWriterQueue<int>>((BenchmarkType)benchmark, randSeeds[benchmark], rwqOps[benchmark][i]);
+		}
+#ifndef NO_SPSC_SUPPORT
+		for (int i = 0; i < TEST_COUNT; ++i) {
+			spscResults[benchmark][i] = runBenchmark<spsc_queue<int>>((BenchmarkType)benchmark, randSeeds[benchmark], spscOps[benchmark][i]);
+		}
+#else
+		for (int i = 0; i < TEST_COUNT; ++i) {
+			spscResults[benchmark][i] = 0;
+			spscOps[benchmark][i] = 0;
+		}
+#endif
+#ifndef NO_FOLLY_SUPPORT
+		for (int i = 0; i < TEST_COUNT; ++i) {
+			follyResults[benchmark][i] = runBenchmark<ProducerConsumerQueue<int>>((BenchmarkType)benchmark, randSeeds[benchmark], follyOps[benchmark][i]);
+		}
+#else
+		for (int i = 0; i < TEST_COUNT; ++i) {
+			follyResults[benchmark][i] = 0;
+			follyOps[benchmark][i] = 0;
+		}
+#endif
+	}
+
+	// Sort results
+	for (int benchmark = 0; benchmark < BENCHMARK_COUNT; ++benchmark) {
+		std::sort(&rwqResults[benchmark][0], &rwqResults[benchmark][0] + TEST_COUNT);
+		std::sort(&spscResults[benchmark][0], &spscResults[benchmark][0] + TEST_COUNT);
+		std::sort(&follyResults[benchmark][0], &follyResults[benchmark][0] + TEST_COUNT);
+	}
+	
+	// Display results
+	int max = std::max(2, (int)(TEST_COUNT * FASTEST_PERCENT_CONSIDERED / 100));
+	assert(max > 0);
+#ifdef NO_SPSC_SUPPORT
+	std::cout << "Note: SPSC queue not supported on this platform, discount its timings" << std::endl;
+#endif
+#ifdef NO_FOLLY_SUPPORT
+	std::cout << "Note: Folly queue not supported by this compiler, discount its timings" << std::endl;
+#endif
+	std::cout              << std::setw(BENCHMARK_NAME_MAX) << "         " << " |-----------  Min ------------|------------ Max ------------|------------ Avg ------------|\n";
+	std::cout << std::left << std::setw(BENCHMARK_NAME_MAX) << "Benchmark" << " |   RWQ   |  SPSC   |  Folly  |   RWQ   |  SPSC   |  Folly  |   RWQ   |  SPSC   |  Folly  | xSPSC | xFolly\n";
+	std::cout.fill('-');
+	std::cout              << std::setw(BENCHMARK_NAME_MAX) << "---------" << "-+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------+-------\n";
+	std::cout.fill(' ');
+	double rwqOpsPerSec = 0, spscOpsPerSec = 0, follyOpsPerSec = 0;
+	int opTimedBenchmarks = 0;
+	for (int benchmark = 0; benchmark < BENCHMARK_COUNT; ++benchmark) {
+		double rwqMin = rwqResults[benchmark][0], rwqMax = rwqResults[benchmark][max - 1];
+		double spscMin = spscResults[benchmark][0], spscMax = spscResults[benchmark][max - 1];
+		double follyMin = follyResults[benchmark][0], follyMax = follyResults[benchmark][max - 1];
+		double rwqAvg = std::accumulate(&rwqResults[benchmark][0], &rwqResults[benchmark][0] + max, 0.0) / max;
+		double spscAvg = std::accumulate(&spscResults[benchmark][0], &spscResults[benchmark][0] + max, 0.0) / max;
+		double follyAvg = std::accumulate(&follyResults[benchmark][0], &follyResults[benchmark][0] + max, 0.0) / max;
+		double spscMult = rwqAvg < 0.00001 ? 0 : spscAvg / rwqAvg;
+		double follyMult = follyAvg < 0.00001 ? 0 : follyAvg / rwqAvg;
+
+		if (rwqResults[benchmark][0] != -1) {
+			double rwqTotalAvg = std::accumulate(&rwqResults[benchmark][0], &rwqResults[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT;
+			double spscTotalAvg = std::accumulate(&spscResults[benchmark][0], &spscResults[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT;
+			double follyTotalAvg = std::accumulate(&follyResults[benchmark][0], &follyResults[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT;
+			rwqOpsPerSec += rwqTotalAvg == 0 ? 0 : std::accumulate(&rwqOps[benchmark][0], &rwqOps[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT / rwqTotalAvg;
+			spscOpsPerSec += spscTotalAvg == 0 ? 0 : std::accumulate(&spscOps[benchmark][0], &spscOps[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT / spscTotalAvg;
+			follyOpsPerSec += follyTotalAvg == 0 ? 0 : std::accumulate(&follyOps[benchmark][0], &follyOps[benchmark][0] + TEST_COUNT, 0.0) / TEST_COUNT / follyTotalAvg;
+			++opTimedBenchmarks;
+		}
+
+		std::cout
+			<< std::left << std::setw(BENCHMARK_NAME_MAX) << benchmarkName((BenchmarkType)benchmark) << " | "
+			<< std::fixed << std::setprecision(4) << rwqMin << "s | "
+			<< std::fixed << std::setprecision(4) << spscMin << "s | "
+			<< std::fixed << std::setprecision(4) << follyMin << "s | "
+			<< std::fixed << std::setprecision(4) << rwqMax << "s | "
+			<< std::fixed << std::setprecision(4) << spscMax << "s | "
+			<< std::fixed << std::setprecision(4) << follyMax << "s | "
+			<< std::fixed << std::setprecision(4) << rwqAvg << "s | "
+			<< std::fixed << std::setprecision(4) << spscAvg << "s | "
+			<< std::fixed << std::setprecision(4) << follyAvg << "s | "
+			<< std::fixed << std::setprecision(2) << spscMult << "x | "
+			<< std::fixed << std::setprecision(2) << follyMult << "x"
+			<< "\n"
+		;
+	}
+
+	rwqOpsPerSec /= opTimedBenchmarks;
+	spscOpsPerSec /= opTimedBenchmarks;
+	follyOpsPerSec /= opTimedBenchmarks;
+
+	std::cout
+		<< "\nAverage ops/s:\n"
+		<< "    ReaderWriterQueue: " << std::fixed << std::setprecision(2) << rwqOpsPerSec / 1000000 << " million\n"
+		<< "    SPSC queue:        " << std::fixed << std::setprecision(2) << spscOpsPerSec / 1000000 << " million\n"
+		<< "    Folly queue:       " << std::fixed << std::setprecision(2) << follyOpsPerSec / 1000000 << " million\n"
+	;
+	std::cout << std::endl;
+
+	return 0;
+}
+
+
+template<typename TQueue>
+double runBenchmark(BenchmarkType benchmark, unsigned int randomSeed, double& out_Ops)
+{
+	typedef unsigned long long counter_t;
+
+	SystemTime start;
+	double result = 0;
+	volatile int forceNoOptimizeDummy;
+
+	switch (benchmark) {
+	case bench_raw_add: {
+		const counter_t MAX = 100 * 1000;
+		out_Ops = MAX;
+		TQueue q(MAX);
+		int num = 0;
+		start = getSystemTime();
+		for (counter_t i = 0; i != MAX; ++i) {
+			q.enqueue(num);
+			++num;
+		}
+		result = getTimeDelta(start);
+		
+		int temp = -1;
+		q.try_dequeue(temp);
+		forceNoOptimizeDummy = temp;
+	} break;
+	case bench_raw_remove: {
+		const counter_t MAX = 100 * 1000;
+		out_Ops = MAX;
+		TQueue q(MAX);
+		int num = 0;
+		for (counter_t i = 0; i != MAX; ++i) {
+			q.enqueue(num);
+			++num;
+		}
+
+		int element = -1;
+		int total = 0;
+		num = 0;
+		start = getSystemTime();
+		for (counter_t i = 0; i != MAX; ++i) {
+			bool success = q.try_dequeue(element);
+			assert(success && num++ == element);
+			UNUSED(success);
+			total += element;
+		}
+		result = getTimeDelta(start);
+		assert(!q.try_dequeue(element));
+		forceNoOptimizeDummy = total;
+	} break;
+	case bench_empty_remove: {
+		const counter_t MAX = 2000 * 1000;
+		out_Ops = MAX;
+		TQueue q(MAX);
+		int total = 0;
+		start = getSystemTime();
+		SimpleThread consumer([&]() {
+			int element;
+			for (counter_t i = 0; i != MAX; ++i) {
+				if (q.try_dequeue(element)) {
+					total += element;
+				}
+			}
+		});
+		SimpleThread producer([&]() {
+			int num = 0;
+			for (counter_t i = 0; i != MAX / 2; ++i) {
+				if ((i & 32767) == 0) {		// Just to make sure the loops aren't optimized out entirely
+					q.enqueue(num);
+					++num;
+				}
+			}
+		});
+		producer.join();
+		consumer.join();
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = total;
+	} break;
+	case bench_single_threaded: {
+		const counter_t MAX = 200 * 1000;
+		out_Ops = MAX;
+		RNG_t rng(randomSeed);
+		std::uniform_int_distribution<int> rand(0, 1);
+		TQueue q(MAX);
+		int num = 0;
+		int element = -1;
+		start = getSystemTime();
+		for (counter_t i = 0; i != MAX; ++i) {
+			if (rand(rng) == 1) {
+				q.enqueue(num);
+				++num;
+			}
+			else {
+				q.try_dequeue(element);
+			}
+		}
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = (int)(q.try_dequeue(element));
+	} break;
+	case bench_mostly_add: {
+		const counter_t MAX = 1200 * 1000;
+		out_Ops = MAX;
+		int readOps = 0;
+		RNG_t rng(randomSeed);
+		std::uniform_int_distribution<int> rand(0, 3);
+		TQueue q(MAX);
+		int element = -1;
+		start = getSystemTime();
+		SimpleThread consumer([&]() {
+			for (counter_t i = 0; i != MAX / 10; ++i) {
+				if (rand(rng) == 0) {
+					q.try_dequeue(element);
+					++readOps;
+				}
+			}
+		});
+		SimpleThread producer([&]() {
+			int num = 0;
+			for (counter_t i = 0; i != MAX; ++i) {
+				q.enqueue(num);
+				++num;
+			}
+		});
+		producer.join();
+		consumer.join();
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = (int)(q.try_dequeue(element));
+		out_Ops += readOps;
+	} break;
+	case bench_mostly_remove: {
+		const counter_t MAX = 1200 * 1000;
+		out_Ops = MAX;
+		int writeOps = 0;
+		RNG_t rng(randomSeed);
+		std::uniform_int_distribution<int> rand(0, 3);
+		TQueue q(MAX);
+		int element = -1;
+		start = getSystemTime();
+		SimpleThread consumer([&]() {
+			for (counter_t i = 0; i != MAX; ++i) {
+				q.try_dequeue(element);
+			}
+		});
+		SimpleThread producer([&]() {
+			int num = 0;
+			for (counter_t i = 0; i != MAX / 10; ++i) {
+				if (rand(rng) == 0) {
+					q.enqueue(num);
+					++num;
+				}
+			}
+			writeOps = num;
+		});
+		producer.join();
+		consumer.join();
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = (int)(q.try_dequeue(element));
+		out_Ops += writeOps;
+	} break;
+	case bench_heavy_concurrent: {
+		const counter_t MAX = 1000 * 1000;
+		out_Ops = MAX * 2;
+		TQueue q(MAX);
+		int element = -1;
+		start = getSystemTime();
+		SimpleThread consumer([&]() {
+			for (counter_t i = 0; i != MAX; ++i) {
+				q.try_dequeue(element);
+			}
+		});
+		SimpleThread producer([&]() {
+			int num = 0;
+			for (counter_t i = 0; i != MAX; ++i) {
+				q.enqueue(num);
+				++num;
+			}
+		});
+		producer.join();
+		consumer.join();
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = (int)(q.try_dequeue(element));
+	} break;
+	case bench_random_concurrent: {
+		const counter_t MAX = 800 * 1000;
+		int readOps = 0, writeOps = 0;
+		TQueue q(MAX);
+		int element = -1;
+		start = getSystemTime();
+		SimpleThread consumer([&]() {
+			RNG_t rng(randomSeed);
+			std::uniform_int_distribution<int> rand(0, 15);
+			for (counter_t i = 0; i != MAX; ++i) {
+				if (rand(rng) == 0) {
+					q.try_dequeue(element);
+					++readOps;
+				}
+			}
+		});
+		SimpleThread producer([&]() {
+			RNG_t rng(randomSeed * 3 - 1);
+			std::uniform_int_distribution<int> rand(0, 15);
+			int num = 0;
+			for (counter_t i = 0; i != MAX; ++i) {
+				if (rand(rng) == 0) {
+					q.enqueue(num);
+					++num;
+				}
+			}
+			writeOps = num;
+		});
+		producer.join();
+		consumer.join();
+		result = getTimeDelta(start);
+		forceNoOptimizeDummy = (int)(q.try_dequeue(element));
+		out_Ops = readOps + writeOps;
+	} break;
+	default:
+		assert(false);
+		out_Ops = 0;
+		return 0;
+	}
+
+	UNUSED(forceNoOptimizeDummy);
+	return result / 1000.0;
+}
+
+const char* benchmarkName(BenchmarkType benchmark)
+{
+	switch (benchmark) {
+	case bench_raw_add: return "Raw add";
+	case bench_raw_remove: return "Raw remove";
+	case bench_empty_remove: return "Raw empty remove";
+	case bench_single_threaded: return "Single-threaded";
+	case bench_mostly_add: return "Mostly add";
+	case bench_mostly_remove: return "Mostly remove";
+	case bench_heavy_concurrent: return "Heavy concurrent";
+	case bench_random_concurrent: return "Random concurrent";
+	default: return "";
+	}
+}

include/icsneo/third-party/readerwriterqueue/benchmarks/ext/1024cores/spscqueue.h

@@ -0,0 +1,139 @@
+#include "../../../atomicops.h"
+#include <cstdlib>		// For std::size_t
+
+// From http://www.1024cores.net/home/lock-free-algorithms/queues/unbounded-spsc-queue
+// (and http://software.intel.com/en-us/articles/single-producer-single-consumer-queue)
+
+// load with 'consume' (data-dependent) memory ordering 
+template<typename T> 
+T load_consume(T const* addr) 
+{ 
+    // hardware fence is implicit on x86 
+    T v = *const_cast<T const volatile*>(addr); 
+    moodycamel::compiler_fence(moodycamel::memory_order_seq_cst);
+    return v; 
+} 
+
+// store with 'release' memory ordering 
+template<typename T> 
+void store_release(T* addr, T v) 
+{ 
+    // hardware fence is implicit on x86 
+    moodycamel::compiler_fence(moodycamel::memory_order_seq_cst);
+    *const_cast<T volatile*>(addr) = v; 
+} 
+
+// cache line size on modern x86 processors (in bytes) 
+size_t const cache_line_size = 64; 
+// single-producer/single-consumer queue 
+template<typename T> 
+class spsc_queue 
+{ 
+public: 
+  spsc_queue() 
+  { 
+      node* n = new node; 
+      n->next_ = 0; 
+      tail_ = head_ = first_= tail_copy_ = n; 
+  }
+
+  explicit spsc_queue(size_t prealloc)
+  {
+      node* n = new node;
+      n->next_ = 0;
+      tail_ = head_ = first_ = tail_copy_ = n;
+
+      // [CD] Not (at all) the most efficient way to pre-allocate memory, but it works
+      T dummy = T();
+      for (size_t i = 0; i != prealloc; ++i) {
+          enqueue(dummy);
+      }
+      for (size_t i = 0; i != prealloc; ++i) {
+          try_dequeue(dummy);
+      }
+  }
+
+  ~spsc_queue() 
+  { 
+      node* n = first_; 
+      do 
+      { 
+          node* next = n->next_; 
+          delete n; 
+          n = next; 
+      } 
+      while (n); 
+  } 
+
+  void enqueue(T v) 
+  { 
+      node* n = alloc_node(); 
+      n->next_ = 0; 
+      n->value_ = v; 
+      store_release(&head_->next_, n); 
+      head_ = n; 
+  } 
+
+  // returns 'false' if queue is empty 
+  bool try_dequeue(T& v) 
+  { 
+      if (load_consume(&tail_->next_)) 
+      { 
+          v = tail_->next_->value_; 
+          store_release(&tail_, tail_->next_); 
+          return true; 
+      } 
+      else 
+      { 
+          return false; 
+      } 
+  } 
+
+private: 
+  // internal node structure 
+  struct node 
+  { 
+      node* next_; 
+      T value_; 
+  }; 
+
+  // consumer part 
+  // accessed mainly by consumer, infrequently be producer 
+  node* tail_; // tail of the queue 
+
+  // delimiter between consumer part and producer part, 
+  // so that they situated on different cache lines 
+  char cache_line_pad_ [cache_line_size]; 
+
+  // producer part 
+  // accessed only by producer 
+  node* head_; // head of the queue 
+  node* first_; // last unused node (tail of node cache) 
+  node* tail_copy_; // helper (points somewhere between first_ and tail_) 
+
+  node* alloc_node() 
+  { 
+      // first tries to allocate node from internal node cache, 
+      // if attempt fails, allocates node via ::operator new() 
+
+      if (first_ != tail_copy_) 
+      { 
+          node* n = first_; 
+          first_ = first_->next_; 
+          return n; 
+      } 
+      tail_copy_ = load_consume(&tail_); 
+      if (first_ != tail_copy_) 
+      { 
+          node* n = first_; 
+          first_ = first_->next_; 
+          return n; 
+      } 
+      node* n = new node; 
+      return n; 
+  } 
+
+  spsc_queue(spsc_queue const&); 
+  spsc_queue& operator = (spsc_queue const&); 
+
+};

include/icsneo/third-party/readerwriterqueue/benchmarks/ext/folly/ProducerConsumerQueue.h

@@ -0,0 +1,174 @@
+// Adapted from https://github.com/facebook/folly/blob/master/folly/ProducerConsumerQueue.h
+/*
+ * Copyright 2013 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// @author Bo Hu (bhu@fb.com)
+// @author Jordan DeLong (delong.j@fb.com)
+
+#ifndef PRODUCER_CONSUMER_QUEUE_H_
+#define PRODUCER_CONSUMER_QUEUE_H_
+
+#include <new>
+#include <atomic>
+#include <cassert>
+#include <cstdlib>
+#include <stdexcept>
+#include <type_traits>
+#include <utility>
+//#include <boost/noncopyable.hpp>
+
+namespace folly {
+
+/*
+ * ProducerConsumerQueue is a one producer and one consumer queue
+ * without locks.
+ */
+template<class T>
+struct ProducerConsumerQueue {
+  typedef T value_type;
+
+  // size must be >= 1.
+  explicit ProducerConsumerQueue(uint32_t size)
+    : size_(size + 1)    // +1 because one slot is always empty
+    , records_(static_cast<T*>(std::malloc(sizeof(T) * (size + 1))))
+    , readIndex_(0)
+    , writeIndex_(0)
+  {
+    assert(size >= 1);
+    if (!records_) {
+      throw std::bad_alloc();
+    }
+  }
+
+  ~ProducerConsumerQueue() {
+    // We need to destruct anything that may still exist in our queue.
+    // (No real synchronization needed at destructor time: only one
+    // thread can be doing this.)
+    if (!std::is_trivially_destructible<T>::value) {
+      int read = readIndex_;
+      int end = writeIndex_;
+      while (read != end) {
+        records_[read].~T();
+        if (++read == size_) {
+          read = 0;
+        }
+      }
+    }
+
+    std::free(records_);
+  }
+
+  template<class ...Args>
+  bool enqueue(Args&&... recordArgs) {
+    auto const currentWrite = writeIndex_.load(std::memory_order_relaxed);
+    auto nextRecord = currentWrite + 1;
+    if (nextRecord == size_) {
+      nextRecord = 0;
+    }
+    if (nextRecord != readIndex_.load(std::memory_order_acquire)) {
+      new (&records_[currentWrite]) T(std::forward<Args>(recordArgs)...);
+      writeIndex_.store(nextRecord, std::memory_order_release);
+      return true;
+    }
+
+    // queue is full
+    return false;
+  }
+
+  // move (or copy) the value at the front of the queue to given variable
+  bool try_dequeue(T& record) {
+    auto const currentRead = readIndex_.load(std::memory_order_relaxed);
+    if (currentRead == writeIndex_.load(std::memory_order_acquire)) {
+      // queue is empty
+      return false;
+    }
+
+    auto nextRecord = currentRead + 1;
+    if (nextRecord == size_) {
+      nextRecord = 0;
+    }
+    record = std::move(records_[currentRead]);
+    records_[currentRead].~T();
+    readIndex_.store(nextRecord, std::memory_order_release);
+    return true;
+  }
+
+  // pointer to the value at the front of the queue (for use in-place) or
+  // nullptr if empty.
+  T* frontPtr() {
+    auto const currentRead = readIndex_.load(std::memory_order_relaxed);
+    if (currentRead == writeIndex_.load(std::memory_order_acquire)) {
+      // queue is empty
+      return nullptr;
+    }
+    return &records_[currentRead];
+  }
+
+  // queue must not be empty
+  void popFront() {
+    auto const currentRead = readIndex_.load(std::memory_order_relaxed);
+    assert(currentRead != writeIndex_.load(std::memory_order_acquire));
+
+    auto nextRecord = currentRead + 1;
+    if (nextRecord == size_) {
+      nextRecord = 0;
+    }
+    records_[currentRead].~T();
+    readIndex_.store(nextRecord, std::memory_order_release);
+  }
+
+  bool isEmpty() const {
+   return readIndex_.load(std::memory_order_consume) ==
+         writeIndex_.load(std::memory_order_consume);
+  }
+
+  bool isFull() const {
+    auto nextRecord = writeIndex_.load(std::memory_order_consume) + 1;
+    if (nextRecord == size_) {
+      nextRecord = 0;
+    }
+    if (nextRecord != readIndex_.load(std::memory_order_consume)) {
+      return false;
+    }
+    // queue is full
+    return true;
+  }
+
+  // * If called by consumer, then true size may be more (because producer may
+  //   be adding items concurrently).
+  // * If called by producer, then true size may be less (because consumer may
+  //   be removing items concurrently).
+  // * It is undefined to call this from any other thread.
+  size_t sizeGuess() const {
+    int ret = writeIndex_.load(std::memory_order_consume) -
+              readIndex_.load(std::memory_order_consume);
+    if (ret < 0) {
+      ret += size_;
+    }
+    return ret;
+  }
+
+private:
+  const uint32_t size_;
+  T* const records_;
+
+  std::atomic<int> readIndex_;
+  std::atomic<int> writeIndex_;
+};
+
+}
+
+#endif

include/icsneo/third-party/readerwriterqueue/benchmarks/makefile

@@ -0,0 +1,22 @@
+# ©2014 Cameron Desrochers
+
+ifeq ($(OS),Windows_NT)
+	EXT=.exe
+	PLATFORM_OPTS=-static
+else
+	EXT=
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		PLATFORM_OPTS=
+	else
+		PLATFORM_OPTS=-Wl,--no-as-needed -lrt
+	endif
+endif
+
+default: benchmarks$(EXT)
+
+benchmarks$(EXT): bench.cpp ../readerwriterqueue.h ../atomicops.h ext/1024cores/spscqueue.h ext/folly/ProducerConsumerQueue.h ../tests/common/simplethread.h ../tests/common/simplethread.cpp systemtime.h systemtime.cpp makefile
+	g++ -std=c++11 -Wpedantic -Wall -DNDEBUG -O3 -g bench.cpp ../tests/common/simplethread.cpp systemtime.cpp -o benchmarks$(EXT) -pthread $(PLATFORM_OPTS)
+
+run: benchmarks$(EXT)
+	./benchmarks$(EXT)

include/icsneo/third-party/readerwriterqueue/benchmarks/msvc10/winbench-intel.vcxproj

@@ -0,0 +1,165 @@
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+    <ClInclude Include="..\..\readerwriterqueue.h" />
+    <ClInclude Include="..\..\tests\common\simplethread.h" />
+    <ClInclude Include="..\ext\1024cores\spscqueue.h" />
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include/icsneo/third-party/readerwriterqueue/benchmarks/msvc10/winbench-intel.vcxproj.filters

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include/icsneo/third-party/readerwriterqueue/benchmarks/msvc14/winbench.vcxproj.filters

@@ -0,0 +1,48 @@
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include/icsneo/third-party/readerwriterqueue/benchmarks/systemtime.cpp

@@ -0,0 +1,137 @@
+// ©2013-2014 Cameron Desrochers
+
+#include "systemtime.h"
+#include <climits>
+
+#if defined(_MSC_VER) && _MSC_VER < 1700
+#include <intrin.h>
+#define CompilerMemBar() _ReadWriteBarrier()
+#else
+#include <atomic>
+#define CompilerMemBar() std::atomic_signal_fence(std::memory_order_seq_cst)
+#endif
+
+#if defined(ST_WINDOWS)
+
+#include <windows.h>
+
+namespace moodycamel
+{
+
+void sleep(int milliseconds)
+{
+	::Sleep(milliseconds);
+}
+
+SystemTime getSystemTime()
+{
+	LARGE_INTEGER t;
+	CompilerMemBar();
+	if (!QueryPerformanceCounter(&t)) {
+		return static_cast<SystemTime>(-1);
+	}
+	CompilerMemBar();
+	
+	return static_cast<SystemTime>(t.QuadPart);
+}
+
+double getTimeDelta(SystemTime start)
+{
+	LARGE_INTEGER t;
+	CompilerMemBar();
+	if (start == static_cast<SystemTime>(-1) || !QueryPerformanceCounter(&t)) {
+		return -1;
+	}
+	CompilerMemBar();
+
+	auto now = static_cast<SystemTime>(t.QuadPart);
+
+	LARGE_INTEGER f;
+	if (!QueryPerformanceFrequency(&f)) {
+		return -1;
+	}
+
+	return static_cast<double>(static_cast<__int64>(now - start)) / f.QuadPart * 1000;
+}
+
+}  // end namespace moodycamel
+
+#elif defined(ST_APPLE)
+
+#include <mach/mach.h>
+#include <mach/mach_time.h>
+#include <unistd.h>
+#include <time.h>
+
+namespace moodycamel
+{
+
+void sleep(int milliseconds)
+{
+	::usleep(milliseconds * 1000);
+}
+
+SystemTime getSystemTime()
+{
+	CompilerMemBar();
+	std::uint64_t result = mach_absolute_time();
+	CompilerMemBar();
+	
+	return result;
+}
+
+double getTimeDelta(SystemTime start)
+{
+	CompilerMemBar();
+	std::uint64_t end = mach_absolute_time();
+	CompilerMemBar();
+
+	mach_timebase_info_data_t tb = { 0 };
+	mach_timebase_info(&tb);
+	double toNano = static_cast<double>(tb.numer) / tb.denom;
+	
+	return static_cast<double>(end - start) * toNano * 0.000001;
+}
+
+}  // end namespace moodycamel
+
+#elif defined(ST_NIX)
+
+#include <unistd.h>
+
+namespace moodycamel
+{
+
+void sleep(int milliseconds)
+{
+	::usleep(milliseconds * 1000);
+}
+
+SystemTime getSystemTime()
+{
+	timespec t;
+	CompilerMemBar();
+	if (clock_gettime(CLOCK_MONOTONIC_RAW, &t) != 0) {
+		t.tv_sec = (time_t)-1;
+		t.tv_nsec = -1;
+	}
+	CompilerMemBar();
+	
+	return t;
+}
+
+double getTimeDelta(SystemTime start)
+{
+	timespec t;
+	CompilerMemBar();
+	if ((start.tv_sec == (time_t)-1 && start.tv_nsec == -1) || clock_gettime(CLOCK_MONOTONIC_RAW, &t) != 0) {
+		return -1;
+	}
+	CompilerMemBar();
+
+	return static_cast<double>(static_cast<long>(t.tv_sec) - static_cast<long>(start.tv_sec)) * 1000 + double(t.tv_nsec - start.tv_nsec) / 1000000;
+}
+
+}  // end namespace moodycamel
+
+#endif

include/icsneo/third-party/readerwriterqueue/benchmarks/systemtime.h

@@ -0,0 +1,33 @@
+// ©2013-2014 Cameron Desrochers
+
+#pragma once
+
+#if defined(_WIN32)
+#define ST_WINDOWS
+#elif defined(__APPLE__) && defined(__MACH__)
+#define ST_APPLE
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(BSD)
+#define ST_NIX
+#else
+#error "Unknown platform"
+#endif
+
+#if defined(ST_WINDOWS)
+namespace moodycamel { typedef unsigned long long SystemTime; }
+#elif defined(ST_APPLE)
+#include <cstdint>
+namespace moodycamel { typedef std::uint64_t SystemTime; }
+#elif defined(ST_NIX)
+#include <time.h>
+namespace moodycamel { typedef timespec SystemTime; }
+#endif
+
+namespace moodycamel
+{
+void sleep(int milliseconds);
+
+SystemTime getSystemTime();
+
+// Returns the delta time, in milliseconds
+double getTimeDelta(SystemTime start);
+}

include/icsneo/third-party/readerwriterqueue/readerwriterqueue.h

@@ -0,0 +1,939 @@
+// ©2013-2020 Cameron Desrochers.
+// Distributed under the simplified BSD license (see the license file that
+// should have come with this header).
+
+#pragma once
+
+#include "atomicops.h"
+#include <new>
+#include <type_traits>
+#include <utility>
+#include <cassert>
+#include <stdexcept>
+#include <new>
+#include <cstdint>
+#include <cstdlib>		// For malloc/free/abort & size_t
+#include <memory>
+#if __cplusplus > 199711L || _MSC_VER >= 1700 // C++11 or VS2012
+#include <chrono>
+#endif
+
+
+// A lock-free queue for a single-consumer, single-producer architecture.
+// The queue is also wait-free in the common path (except if more memory
+// needs to be allocated, in which case malloc is called).
+// Allocates memory sparingly (O(lg(n) times, amortized), and only once if
+// the original maximum size estimate is never exceeded.
+// Tested on x86/x64 processors, but semantics should be correct for all
+// architectures (given the right implementations in atomicops.h), provided
+// that aligned integer and pointer accesses are naturally atomic.
+// Note that there should only be one consumer thread and producer thread;
+// Switching roles of the threads, or using multiple consecutive threads for
+// one role, is not safe unless properly synchronized.
+// Using the queue exclusively from one thread is fine, though a bit silly.
+
+#ifndef MOODYCAMEL_CACHE_LINE_SIZE
+#define MOODYCAMEL_CACHE_LINE_SIZE 64
+#endif
+
+#ifndef MOODYCAMEL_EXCEPTIONS_ENABLED
+#if (defined(_MSC_VER) && defined(_CPPUNWIND)) || (defined(__GNUC__) && defined(__EXCEPTIONS)) || (!defined(_MSC_VER) && !defined(__GNUC__))
+#define MOODYCAMEL_EXCEPTIONS_ENABLED
+#endif
+#endif
+
+#ifndef MOODYCAMEL_HAS_EMPLACE
+#if !defined(_MSC_VER) || _MSC_VER >= 1800 // variadic templates: either a non-MS compiler or VS >= 2013
+#define MOODYCAMEL_HAS_EMPLACE    1
+#endif
+#endif
+
+#ifdef AE_VCPP
+#pragma warning(push)
+#pragma warning(disable: 4324)	// structure was padded due to __declspec(align())
+#pragma warning(disable: 4820)	// padding was added
+#pragma warning(disable: 4127)	// conditional expression is constant
+#endif
+
+namespace moodycamel {
+
+template<typename T, size_t MAX_BLOCK_SIZE = 512>
+class ReaderWriterQueue
+{
+	// Design: Based on a queue-of-queues. The low-level queues are just
+	// circular buffers with front and tail indices indicating where the
+	// next element to dequeue is and where the next element can be enqueued,
+	// respectively. Each low-level queue is called a "block". Each block
+	// wastes exactly one element's worth of space to keep the design simple
+	// (if front == tail then the queue is empty, and can't be full).
+	// The high-level queue is a circular linked list of blocks; again there
+	// is a front and tail, but this time they are pointers to the blocks.
+	// The front block is where the next element to be dequeued is, provided
+	// the block is not empty. The back block is where elements are to be
+	// enqueued, provided the block is not full.
+	// The producer thread owns all the tail indices/pointers. The consumer
+	// thread owns all the front indices/pointers. Both threads read each
+	// other's variables, but only the owning thread updates them. E.g. After
+	// the consumer reads the producer's tail, the tail may change before the
+	// consumer is done dequeuing an object, but the consumer knows the tail
+	// will never go backwards, only forwards.
+	// If there is no room to enqueue an object, an additional block (of
+	// equal size to the last block) is added. Blocks are never removed.
+
+public:
+	typedef T value_type;
+
+	// Constructs a queue that can hold at least `size` elements without further
+	// allocations. If more than MAX_BLOCK_SIZE elements are requested,
+	// then several blocks of MAX_BLOCK_SIZE each are reserved (including
+	// at least one extra buffer block).
+	AE_NO_TSAN explicit ReaderWriterQueue(size_t size = 15)
+#ifndef NDEBUG
+		: enqueuing(false)
+		,dequeuing(false)
+#endif
+	{
+		assert(size > 0);
+		assert(MAX_BLOCK_SIZE == ceilToPow2(MAX_BLOCK_SIZE) && "MAX_BLOCK_SIZE must be a power of 2");
+		assert(MAX_BLOCK_SIZE >= 2 && "MAX_BLOCK_SIZE must be at least 2");
+		
+		Block* firstBlock = nullptr;
+		
+		largestBlockSize = ceilToPow2(size + 1);		// We need a spare slot to fit size elements in the block
+		if (largestBlockSize > MAX_BLOCK_SIZE * 2) {
+			// We need a spare block in case the producer is writing to a different block the consumer is reading from, and
+			// wants to enqueue the maximum number of elements. We also need a spare element in each block to avoid the ambiguity
+			// between front == tail meaning "empty" and "full".
+			// So the effective number of slots that are guaranteed to be usable at any time is the block size - 1 times the
+			// number of blocks - 1. Solving for size and applying a ceiling to the division gives us (after simplifying):
+			size_t initialBlockCount = (size + MAX_BLOCK_SIZE * 2 - 3) / (MAX_BLOCK_SIZE - 1);
+			largestBlockSize = MAX_BLOCK_SIZE;
+			Block* lastBlock = nullptr;
+			for (size_t i = 0; i != initialBlockCount; ++i) {
+				auto block = make_block(largestBlockSize);
+				if (block == nullptr) {
+#ifdef MOODYCAMEL_EXCEPTIONS_ENABLED
+					throw std::bad_alloc();
+#else
+					abort();
+#endif
+				}
+				if (firstBlock == nullptr) {
+					firstBlock = block;
+				}
+				else {
+					lastBlock->next = block;
+				}
+				lastBlock = block;
+				block->next = firstBlock;
+			}
+		}
+		else {
+			firstBlock = make_block(largestBlockSize);
+			if (firstBlock == nullptr) {
+#ifdef MOODYCAMEL_EXCEPTIONS_ENABLED
+				throw std::bad_alloc();
+#else
+				abort();
+#endif
+			}
+			firstBlock->next = firstBlock;
+		}
+		frontBlock = firstBlock;
+		tailBlock = firstBlock;
+		
+		// Make sure the reader/writer threads will have the initialized memory setup above:
+		fence(memory_order_sync);
+	}
+
+	// Note: The queue should not be accessed concurrently while it's
+	// being moved. It's up to the user to synchronize this.
+	AE_NO_TSAN ReaderWriterQueue(ReaderWriterQueue&& other)
+		: frontBlock(other.frontBlock.load()),
+		tailBlock(other.tailBlock.load()),
+		largestBlockSize(other.largestBlockSize)
+#ifndef NDEBUG
+		,enqueuing(false)
+		,dequeuing(false)
+#endif
+	{
+		other.largestBlockSize = 32;
+		Block* b = other.make_block(other.largestBlockSize);
+		if (b == nullptr) {
+#ifdef MOODYCAMEL_EXCEPTIONS_ENABLED
+			throw std::bad_alloc();
+#else
+			abort();
+#endif
+		}
+		b->next = b;
+		other.frontBlock = b;
+		other.tailBlock = b;
+	}
+
+	// Note: The queue should not be accessed concurrently while it's
+	// being moved. It's up to the user to synchronize this.
+	ReaderWriterQueue& operator=(ReaderWriterQueue&& other) AE_NO_TSAN
+	{
+		Block* b = frontBlock.load();
+		frontBlock = other.frontBlock.load();
+		other.frontBlock = b;
+		b = tailBlock.load();
+		tailBlock = other.tailBlock.load();
+		other.tailBlock = b;
+		std::swap(largestBlockSize, other.largestBlockSize);
+		return *this;
+	}
+
+	// Note: The queue should not be accessed concurrently while it's
+	// being deleted. It's up to the user to synchronize this.
+	AE_NO_TSAN ~ReaderWriterQueue()
+	{
+		// Make sure we get the latest version of all variables from other CPUs:
+		fence(memory_order_sync);
+
+		// Destroy any remaining objects in queue and free memory
+		Block* frontBlock_ = frontBlock;
+		Block* block = frontBlock_;
+		do {
+			Block* nextBlock = block->next;
+			size_t blockFront = block->front;
+			size_t blockTail = block->tail;
+
+			for (size_t i = blockFront; i != blockTail; i = (i + 1) & block->sizeMask) {
+				auto element = reinterpret_cast<T*>(block->data + i * sizeof(T));
+				element->~T();
+				(void)element;
+			}
+			
+			auto rawBlock = block->rawThis;
+			block->~Block();
+			std::free(rawBlock);
+			block = nextBlock;
+		} while (block != frontBlock_);
+	}
+
+
+	// Enqueues a copy of element if there is room in the queue.
+	// Returns true if the element was enqueued, false otherwise.
+	// Does not allocate memory.
+	AE_FORCEINLINE bool try_enqueue(T const& element) AE_NO_TSAN
+	{
+		return inner_enqueue<CannotAlloc>(element);
+	}
+
+	// Enqueues a moved copy of element if there is room in the queue.
+	// Returns true if the element was enqueued, false otherwise.
+	// Does not allocate memory.
+	AE_FORCEINLINE bool try_enqueue(T&& element) AE_NO_TSAN
+	{
+		return inner_enqueue<CannotAlloc>(std::forward<T>(element));
+	}
+
+#if MOODYCAMEL_HAS_EMPLACE
+	// Like try_enqueue() but with emplace semantics (i.e. construct-in-place).
+	template<typename... Args>
+	AE_FORCEINLINE bool try_emplace(Args&&... args) AE_NO_TSAN
+	{
+		return inner_enqueue<CannotAlloc>(std::forward<Args>(args)...);
+	}
+#endif
+
+	// Enqueues a copy of element on the queue.
+	// Allocates an additional block of memory if needed.
+	// Only fails (returns false) if memory allocation fails.
+	AE_FORCEINLINE bool enqueue(T const& element) AE_NO_TSAN
+	{
+		return inner_enqueue<CanAlloc>(element);
+	}
+
+	// Enqueues a moved copy of element on the queue.
+	// Allocates an additional block of memory if needed.
+	// Only fails (returns false) if memory allocation fails.
+	AE_FORCEINLINE bool enqueue(T&& element) AE_NO_TSAN
+	{
+		return inner_enqueue<CanAlloc>(std::forward<T>(element));
+	}
+
+#if MOODYCAMEL_HAS_EMPLACE
+	// Like enqueue() but with emplace semantics (i.e. construct-in-place).
+	template<typename... Args>
+	AE_FORCEINLINE bool emplace(Args&&... args) AE_NO_TSAN
+	{
+		return inner_enqueue<CanAlloc>(std::forward<Args>(args)...);
+	}
+#endif
+
+	// Attempts to dequeue an element; if the queue is empty,
+	// returns false instead. If the queue has at least one element,
+	// moves front to result using operator=, then returns true.
+	template<typename U>
+	bool try_dequeue(U& result) AE_NO_TSAN
+	{
+#ifndef NDEBUG
+		ReentrantGuard guard(this->dequeuing);
+#endif
+
+		// High-level pseudocode:
+		// Remember where the tail block is
+		// If the front block has an element in it, dequeue it
+		// Else
+		//     If front block was the tail block when we entered the function, return false
+		//     Else advance to next block and dequeue the item there
+
+		// Note that we have to use the value of the tail block from before we check if the front
+		// block is full or not, in case the front block is empty and then, before we check if the
+		// tail block is at the front block or not, the producer fills up the front block *and
+		// moves on*, which would make us skip a filled block. Seems unlikely, but was consistently
+		// reproducible in practice.
+		// In order to avoid overhead in the common case, though, we do a double-checked pattern
+		// where we have the fast path if the front block is not empty, then read the tail block,
+		// then re-read the front block and check if it's not empty again, then check if the tail
+		// block has advanced.
+		
+		Block* frontBlock_ = frontBlock.load();
+		size_t blockTail = frontBlock_->localTail;
+		size_t blockFront = frontBlock_->front.load();
+		
+		if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
+			fence(memory_order_acquire);
+			
+		non_empty_front_block:
+			// Front block not empty, dequeue from here
+			auto element = reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
+			result = std::move(*element);
+			element->~T();
+
+			blockFront = (blockFront + 1) & frontBlock_->sizeMask;
+
+			fence(memory_order_release);
+			frontBlock_->front = blockFront;
+		}
+		else if (frontBlock_ != tailBlock.load()) {
+			fence(memory_order_acquire);
+
+			frontBlock_ = frontBlock.load();
+			blockTail = frontBlock_->localTail = frontBlock_->tail.load();
+			blockFront = frontBlock_->front.load();
+			fence(memory_order_acquire);
+			
+			if (blockFront != blockTail) {
+				// Oh look, the front block isn't empty after all
+				goto non_empty_front_block;
+			}
+			
+			// Front block is empty but there's another block ahead, advance to it
+			Block* nextBlock = frontBlock_->next;
+			// Don't need an acquire fence here since next can only ever be set on the tailBlock,
+			// and we're not the tailBlock, and we did an acquire earlier after reading tailBlock which
+			// ensures next is up-to-date on this CPU in case we recently were at tailBlock.
+
+			size_t nextBlockFront = nextBlock->front.load();
+			size_t nextBlockTail = nextBlock->localTail = nextBlock->tail.load();
+			fence(memory_order_acquire);
+
+			// Since the tailBlock is only ever advanced after being written to,
+			// we know there's for sure an element to dequeue on it
+			assert(nextBlockFront != nextBlockTail);
+			AE_UNUSED(nextBlockTail);
+
+			// We're done with this block, let the producer use it if it needs
+			fence(memory_order_release);		// Expose possibly pending changes to frontBlock->front from last dequeue
+			frontBlock = frontBlock_ = nextBlock;
+
+			compiler_fence(memory_order_release);	// Not strictly needed
+
+			auto element = reinterpret_cast<T*>(frontBlock_->data + nextBlockFront * sizeof(T));
+			
+			result = std::move(*element);
+			element->~T();
+
+			nextBlockFront = (nextBlockFront + 1) & frontBlock_->sizeMask;
+			
+			fence(memory_order_release);
+			frontBlock_->front = nextBlockFront;
+		}
+		else {
+			// No elements in current block and no other block to advance to
+			return false;
+		}
+
+		return true;
+	}
+
+
+	// Returns a pointer to the front element in the queue (the one that
+	// would be removed next by a call to `try_dequeue` or `pop`). If the
+	// queue appears empty at the time the method is called, nullptr is
+	// returned instead.
+	// Must be called only from the consumer thread.
+	T* peek() const AE_NO_TSAN
+	{
+#ifndef NDEBUG
+		ReentrantGuard guard(this->dequeuing);
+#endif
+		// See try_dequeue() for reasoning
+
+		Block* frontBlock_ = frontBlock.load();
+		size_t blockTail = frontBlock_->localTail;
+		size_t blockFront = frontBlock_->front.load();
+		
+		if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
+			fence(memory_order_acquire);
+		non_empty_front_block:
+			return reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
+		}
+		else if (frontBlock_ != tailBlock.load()) {
+			fence(memory_order_acquire);
+			frontBlock_ = frontBlock.load();
+			blockTail = frontBlock_->localTail = frontBlock_->tail.load();
+			blockFront = frontBlock_->front.load();
+			fence(memory_order_acquire);
+			
+			if (blockFront != blockTail) {
+				goto non_empty_front_block;
+			}
+			
+			Block* nextBlock = frontBlock_->next;
+			
+			size_t nextBlockFront = nextBlock->front.load();
+			fence(memory_order_acquire);
+
+			assert(nextBlockFront != nextBlock->tail.load());
+			return reinterpret_cast<T*>(nextBlock->data + nextBlockFront * sizeof(T));
+		}
+		
+		return nullptr;
+	}
+	
+	// Removes the front element from the queue, if any, without returning it.
+	// Returns true on success, or false if the queue appeared empty at the time
+	// `pop` was called.
+	bool pop() AE_NO_TSAN
+	{
+#ifndef NDEBUG
+		ReentrantGuard guard(this->dequeuing);
+#endif
+		// See try_dequeue() for reasoning
+		
+		Block* frontBlock_ = frontBlock.load();
+		size_t blockTail = frontBlock_->localTail;
+		size_t blockFront = frontBlock_->front.load();
+		
+		if (blockFront != blockTail || blockFront != (frontBlock_->localTail = frontBlock_->tail.load())) {
+			fence(memory_order_acquire);
+			
+		non_empty_front_block:
+			auto element = reinterpret_cast<T*>(frontBlock_->data + blockFront * sizeof(T));
+			element->~T();
+
+			blockFront = (blockFront + 1) & frontBlock_->sizeMask;
+
+			fence(memory_order_release);
+			frontBlock_->front = blockFront;
+		}
+		else if (frontBlock_ != tailBlock.load()) {
+			fence(memory_order_acquire);
+			frontBlock_ = frontBlock.load();
+			blockTail = frontBlock_->localTail = frontBlock_->tail.load();
+			blockFront = frontBlock_->front.load();
+			fence(memory_order_acquire);
+			
+			if (blockFront != blockTail) {
+				goto non_empty_front_block;
+			}
+			
+			// Front block is empty but there's another block ahead, advance to it
+			Block* nextBlock = frontBlock_->next;
+			
+			size_t nextBlockFront = nextBlock->front.load();
+			size_t nextBlockTail = nextBlock->localTail = nextBlock->tail.load();
+			fence(memory_order_acquire);
+
+			assert(nextBlockFront != nextBlockTail);
+			AE_UNUSED(nextBlockTail);
+
+			fence(memory_order_release);
+			frontBlock = frontBlock_ = nextBlock;
+
+			compiler_fence(memory_order_release);
+
+			auto element = reinterpret_cast<T*>(frontBlock_->data + nextBlockFront * sizeof(T));
+			element->~T();
+
+			nextBlockFront = (nextBlockFront + 1) & frontBlock_->sizeMask;
+			
+			fence(memory_order_release);
+			frontBlock_->front = nextBlockFront;
+		}
+		else {
+			// No elements in current block and no other block to advance to
+			return false;
+		}
+
+		return true;
+	}
+	
+	// Returns the approximate number of items currently in the queue.
+	// Safe to call from both the producer and consumer threads.
+	inline size_t size_approx() const AE_NO_TSAN
+	{
+		size_t result = 0;
+		Block* frontBlock_ = frontBlock.load();
+		Block* block = frontBlock_;
+		do {
+			fence(memory_order_acquire);
+			size_t blockFront = block->front.load();
+			size_t blockTail = block->tail.load();
+			result += (blockTail - blockFront) & block->sizeMask;
+			block = block->next.load();
+		} while (block != frontBlock_);
+		return result;
+	}
+
+	// Returns the total number of items that could be enqueued without incurring
+	// an allocation when this queue is empty.
+	// Safe to call from both the producer and consumer threads.
+	//
+	// NOTE: The actual capacity during usage may be different depending on the consumer.
+	//       If the consumer is removing elements concurrently, the producer cannot add to
+	//       the block the consumer is removing from until it's completely empty, except in
+	//       the case where the producer was writing to the same block the consumer was
+	//       reading from the whole time.
+	inline size_t max_capacity() const {
+		size_t result = 0;
+		Block* frontBlock_ = frontBlock.load();
+		Block* block = frontBlock_;
+		do {
+			fence(memory_order_acquire);
+			result += block->sizeMask;
+			block = block->next.load();
+		} while (block != frontBlock_);
+		return result;
+	}
+
+
+private:
+	enum AllocationMode { CanAlloc, CannotAlloc };
+
+#if MOODYCAMEL_HAS_EMPLACE
+	template<AllocationMode canAlloc, typename... Args>
+	bool inner_enqueue(Args&&... args) AE_NO_TSAN
+#else
+	template<AllocationMode canAlloc, typename U>
+	bool inner_enqueue(U&& element) AE_NO_TSAN
+#endif
+	{
+#ifndef NDEBUG
+		ReentrantGuard guard(this->enqueuing);
+#endif
+
+		// High-level pseudocode (assuming we're allowed to alloc a new block):
+		// If room in tail block, add to tail
+		// Else check next block
+		//     If next block is not the head block, enqueue on next block
+		//     Else create a new block and enqueue there
+		//     Advance tail to the block we just enqueued to
+
+		Block* tailBlock_ = tailBlock.load();
+		size_t blockFront = tailBlock_->localFront;
+		size_t blockTail = tailBlock_->tail.load();
+
+		size_t nextBlockTail = (blockTail + 1) & tailBlock_->sizeMask;
+		if (nextBlockTail != blockFront || nextBlockTail != (tailBlock_->localFront = tailBlock_->front.load())) {
+			fence(memory_order_acquire);
+			// This block has room for at least one more element
+			char* location = tailBlock_->data + blockTail * sizeof(T);
+#if MOODYCAMEL_HAS_EMPLACE
+			new (location) T(std::forward<Args>(args)...);
+#else
+			new (location) T(std::forward<U>(element));
+#endif
+
+			fence(memory_order_release);
+			tailBlock_->tail = nextBlockTail;
+		}
+		else {
+			fence(memory_order_acquire);
+			if (tailBlock_->next.load() != frontBlock) {
+				// Note that the reason we can't advance to the frontBlock and start adding new entries there
+				// is because if we did, then dequeue would stay in that block, eventually reading the new values,
+				// instead of advancing to the next full block (whose values were enqueued first and so should be
+				// consumed first).
+
+				fence(memory_order_acquire);		// Ensure we get latest writes if we got the latest frontBlock
+
+				// tailBlock is full, but there's a free block ahead, use it
+				Block* tailBlockNext = tailBlock_->next.load();
+				size_t nextBlockFront = tailBlockNext->localFront = tailBlockNext->front.load();
+				nextBlockTail = tailBlockNext->tail.load();
+				fence(memory_order_acquire);
+
+				// This block must be empty since it's not the head block and we
+				// go through the blocks in a circle
+				assert(nextBlockFront == nextBlockTail);
+				tailBlockNext->localFront = nextBlockFront;
+
+				char* location = tailBlockNext->data + nextBlockTail * sizeof(T);
+#if MOODYCAMEL_HAS_EMPLACE
+				new (location) T(std::forward<Args>(args)...);
+#else
+				new (location) T(std::forward<U>(element));
+#endif
+
+				tailBlockNext->tail = (nextBlockTail + 1) & tailBlockNext->sizeMask;
+
+				fence(memory_order_release);
+				tailBlock = tailBlockNext;
+			}
+			else if (canAlloc == CanAlloc) {
+				// tailBlock is full and there's no free block ahead; create a new block
+				auto newBlockSize = largestBlockSize >= MAX_BLOCK_SIZE ? largestBlockSize : largestBlockSize * 2;
+				auto newBlock = make_block(newBlockSize);
+				if (newBlock == nullptr) {
+					// Could not allocate a block!
+					return false;
+				}
+				largestBlockSize = newBlockSize;
+
+#if MOODYCAMEL_HAS_EMPLACE
+				new (newBlock->data) T(std::forward<Args>(args)...);
+#else
+				new (newBlock->data) T(std::forward<U>(element));
+#endif
+				assert(newBlock->front == 0);
+				newBlock->tail = newBlock->localTail = 1;
+
+				newBlock->next = tailBlock_->next.load();
+				tailBlock_->next = newBlock;
+
+				// Might be possible for the dequeue thread to see the new tailBlock->next
+				// *without* seeing the new tailBlock value, but this is OK since it can't
+				// advance to the next block until tailBlock is set anyway (because the only
+				// case where it could try to read the next is if it's already at the tailBlock,
+				// and it won't advance past tailBlock in any circumstance).
+
+				fence(memory_order_release);
+				tailBlock = newBlock;
+			}
+			else if (canAlloc == CannotAlloc) {
+				// Would have had to allocate a new block to enqueue, but not allowed
+				return false;
+			}
+			else {
+				assert(false && "Should be unreachable code");
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+
+	// Disable copying
+	ReaderWriterQueue(ReaderWriterQueue const&) {  }
+
+	// Disable assignment
+	ReaderWriterQueue& operator=(ReaderWriterQueue const&) {  }
+
+
+	AE_FORCEINLINE static size_t ceilToPow2(size_t x)
+	{
+		// From http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
+		--x;
+		x |= x >> 1;
+		x |= x >> 2;
+		x |= x >> 4;
+		for (size_t i = 1; i < sizeof(size_t); i <<= 1) {
+			x |= x >> (i << 3);
+		}
+		++x;
+		return x;
+	}
+	
+	template<typename U>
+	static AE_FORCEINLINE char* align_for(char* ptr) AE_NO_TSAN
+	{
+		const std::size_t alignment = std::alignment_of<U>::value;
+		return ptr + (alignment - (reinterpret_cast<std::uintptr_t>(ptr) % alignment)) % alignment;
+	}
+private:
+#ifndef NDEBUG
+	struct ReentrantGuard
+	{
+		AE_NO_TSAN ReentrantGuard(bool& _inSection)
+			: inSection(_inSection)
+		{
+			assert(!inSection && "Concurrent (or re-entrant) enqueue or dequeue operation detected (only one thread at a time may hold the producer or consumer role)");
+			inSection = true;
+		}
+
+		AE_NO_TSAN ~ReentrantGuard() { inSection = false; }
+
+	private:
+		ReentrantGuard& operator=(ReentrantGuard const&);
+
+	private:
+		bool& inSection;
+	};
+#endif
+
+	struct Block
+	{
+		// Avoid false-sharing by putting highly contended variables on their own cache lines
+		weak_atomic<size_t> front;	// (Atomic) Elements are read from here
+		size_t localTail;			// An uncontended shadow copy of tail, owned by the consumer
+		
+		char cachelineFiller0[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<size_t>) - sizeof(size_t)];
+		weak_atomic<size_t> tail;	// (Atomic) Elements are enqueued here
+		size_t localFront;
+		
+		char cachelineFiller1[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<size_t>) - sizeof(size_t)];	// next isn't very contended, but we don't want it on the same cache line as tail (which is)
+		weak_atomic<Block*> next;	// (Atomic)
+		
+		char* data;		// Contents (on heap) are aligned to T's alignment
+
+		const size_t sizeMask;
+
+
+		// size must be a power of two (and greater than 0)
+		AE_NO_TSAN Block(size_t const& _size, char* _rawThis, char* _data)
+			: front(0), localTail(0), tail(0), localFront(0), next(nullptr), data(_data), sizeMask(_size - 1), rawThis(_rawThis)
+		{
+		}
+
+	private:
+		// C4512 - Assignment operator could not be generated
+		Block& operator=(Block const&);
+
+	public:
+		char* rawThis;
+	};
+	
+	
+	static Block* make_block(size_t capacity) AE_NO_TSAN
+	{
+		// Allocate enough memory for the block itself, as well as all the elements it will contain
+		auto size = sizeof(Block) + std::alignment_of<Block>::value - 1;
+		size += sizeof(T) * capacity + std::alignment_of<T>::value - 1;
+		auto newBlockRaw = static_cast<char*>(std::malloc(size));
+		if (newBlockRaw == nullptr) {
+			return nullptr;
+		}
+		
+		auto newBlockAligned = align_for<Block>(newBlockRaw);
+		auto newBlockData = align_for<T>(newBlockAligned + sizeof(Block));
+		return new (newBlockAligned) Block(capacity, newBlockRaw, newBlockData);
+	}
+
+private:
+	weak_atomic<Block*> frontBlock;		// (Atomic) Elements are enqueued to this block
+	
+	char cachelineFiller[MOODYCAMEL_CACHE_LINE_SIZE - sizeof(weak_atomic<Block*>)];
+	weak_atomic<Block*> tailBlock;		// (Atomic) Elements are dequeued from this block
+
+	size_t largestBlockSize;
+
+#ifndef NDEBUG
+	bool enqueuing;
+	mutable bool dequeuing;
+#endif
+};
+
+// Like ReaderWriterQueue, but also providees blocking operations
+template<typename T, size_t MAX_BLOCK_SIZE = 512>
+class BlockingReaderWriterQueue
+{
+private:
+	typedef ::moodycamel::ReaderWriterQueue<T, MAX_BLOCK_SIZE> ReaderWriterQueue;
+	
+public:
+	explicit BlockingReaderWriterQueue(size_t size = 15) AE_NO_TSAN
+		: inner(size), sema(new spsc_sema::LightweightSemaphore())
+	{ }
+
+	BlockingReaderWriterQueue(BlockingReaderWriterQueue&& other) AE_NO_TSAN
+		: inner(std::move(other.inner)), sema(std::move(other.sema))
+	{ }
+
+	BlockingReaderWriterQueue& operator=(BlockingReaderWriterQueue&& other) AE_NO_TSAN
+	{
+		std::swap(sema, other.sema);
+		std::swap(inner, other.inner);
+		return *this;
+	}
+
+
+	// Enqueues a copy of element if there is room in the queue.
+	// Returns true if the element was enqueued, false otherwise.
+	// Does not allocate memory.
+	AE_FORCEINLINE bool try_enqueue(T const& element) AE_NO_TSAN
+	{
+		if (inner.try_enqueue(element)) {
+			sema->signal();
+			return true;
+		}
+		return false;
+	}
+
+	// Enqueues a moved copy of element if there is room in the queue.
+	// Returns true if the element was enqueued, false otherwise.
+	// Does not allocate memory.
+	AE_FORCEINLINE bool try_enqueue(T&& element) AE_NO_TSAN
+	{
+		if (inner.try_enqueue(std::forward<T>(element))) {
+			sema->signal();
+			return true;
+		}
+		return false;
+	}
+
+
+	// Enqueues a copy of element on the queue.
+	// Allocates an additional block of memory if needed.
+	// Only fails (returns false) if memory allocation fails.
+	AE_FORCEINLINE bool enqueue(T const& element) AE_NO_TSAN
+	{
+		if (inner.enqueue(element)) {
+			sema->signal();
+			return true;
+		}
+		return false;
+	}
+
+	// Enqueues a moved copy of element on the queue.
+	// Allocates an additional block of memory if needed.
+	// Only fails (returns false) if memory allocation fails.
+	AE_FORCEINLINE bool enqueue(T&& element) AE_NO_TSAN
+	{
+		if (inner.enqueue(std::forward<T>(element))) {
+			sema->signal();
+			return true;
+		}
+		return false;
+	}
+
+
+	// Attempts to dequeue an element; if the queue is empty,
+	// returns false instead. If the queue has at least one element,
+	// moves front to result using operator=, then returns true.
+	template<typename U>
+	bool try_dequeue(U& result) AE_NO_TSAN
+	{
+		if (sema->tryWait()) {
+			bool success = inner.try_dequeue(result);
+			assert(success);
+			AE_UNUSED(success);
+			return true;
+		}
+		return false;
+	}
+	
+	
+	// Attempts to dequeue an element; if the queue is empty,
+	// waits until an element is available, then dequeues it.
+	template<typename U>
+	void wait_dequeue(U& result) AE_NO_TSAN
+	{
+		while (!sema->wait());
+		bool success = inner.try_dequeue(result);
+		AE_UNUSED(result);
+		assert(success);
+		AE_UNUSED(success);
+	}
+
+
+	// Attempts to dequeue an element; if the queue is empty,
+	// waits until an element is available up to the specified timeout,
+	// then dequeues it and returns true, or returns false if the timeout
+	// expires before an element can be dequeued.
+	// Using a negative timeout indicates an indefinite timeout,
+	// and is thus functionally equivalent to calling wait_dequeue.
+	template<typename U>
+	bool wait_dequeue_timed(U& result, std::int64_t timeout_usecs) AE_NO_TSAN
+	{
+		if (!sema->wait(timeout_usecs)) {
+			return false;
+		}
+		bool success = inner.try_dequeue(result);
+		AE_UNUSED(result);
+		assert(success);
+		AE_UNUSED(success);
+		return true;
+	}
+
+
+#if __cplusplus > 199711L || _MSC_VER >= 1700
+	// Attempts to dequeue an element; if the queue is empty,
+	// waits until an element is available up to the specified timeout,
+	// then dequeues it and returns true, or returns false if the timeout
+	// expires before an element can be dequeued.
+	// Using a negative timeout indicates an indefinite timeout,
+	// and is thus functionally equivalent to calling wait_dequeue.
+	template<typename U, typename Rep, typename Period>
+	inline bool wait_dequeue_timed(U& result, std::chrono::duration<Rep, Period> const& timeout) AE_NO_TSAN
+	{
+        return wait_dequeue_timed(result, std::chrono::duration_cast<std::chrono::microseconds>(timeout).count());
+	}
+#endif
+
+
+	// Returns a pointer to the front element in the queue (the one that
+	// would be removed next by a call to `try_dequeue` or `pop`). If the
+	// queue appears empty at the time the method is called, nullptr is
+	// returned instead.
+	// Must be called only from the consumer thread.
+	AE_FORCEINLINE T* peek() const AE_NO_TSAN
+	{
+		return inner.peek();
+	}
+	
+	// Removes the front element from the queue, if any, without returning it.
+	// Returns true on success, or false if the queue appeared empty at the time
+	// `pop` was called.
+	AE_FORCEINLINE bool pop() AE_NO_TSAN
+	{
+		if (sema->tryWait()) {
+			bool result = inner.pop();
+			assert(result);
+			AE_UNUSED(result);
+			return true;
+		}
+		return false;
+	}
+	
+	// Returns the approximate number of items currently in the queue.
+	// Safe to call from both the producer and consumer threads.
+	AE_FORCEINLINE size_t size_approx() const AE_NO_TSAN
+	{
+		return sema->availableApprox();
+	}
+
+	// Returns the total number of items that could be enqueued without incurring
+	// an allocation when this queue is empty.
+	// Safe to call from both the producer and consumer threads.
+	//
+	// NOTE: The actual capacity during usage may be different depending on the consumer.
+	//       If the consumer is removing elements concurrently, the producer cannot add to
+	//       the block the consumer is removing from until it's completely empty, except in
+	//       the case where the producer was writing to the same block the consumer was
+	//       reading from the whole time.
+	AE_FORCEINLINE size_t max_capacity() const {
+		return inner.max_capacity();
+	}
+
+private:
+	// Disable copying & assignment
+	BlockingReaderWriterQueue(BlockingReaderWriterQueue const&) {  }
+	BlockingReaderWriterQueue& operator=(BlockingReaderWriterQueue const&) {  }
+	
+private:
+	ReaderWriterQueue inner;
+	std::unique_ptr<spsc_sema::LightweightSemaphore> sema;
+};
+
+}    // end namespace moodycamel
+
+#ifdef AE_VCPP
+#pragma warning(pop)
+#endif

include/icsneo/third-party/readerwriterqueue/tests/common/simplethread.cpp

@@ -0,0 +1,82 @@
+#include "simplethread.h"
+
+#if defined(_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+struct SimpleThread::ThreadRef
+{
+	HANDLE handle;
+
+	static DWORD WINAPI ThreadProc(LPVOID param)
+	{
+		auto threadRef = static_cast<ThreadRef*>(param);
+		threadRef->callbackFunc(threadRef->callbackObj);
+		return 0;
+	}
+	
+	ThreadRef(void* callbackObj, CallbackFunc callbackFunc)
+		: callbackObj(callbackObj), callbackFunc(callbackFunc)
+	{
+	}
+	
+	void* callbackObj;
+	CallbackFunc callbackFunc;
+};
+
+void SimpleThread::startThread(void* callbackObj, CallbackFunc callbackFunc)
+{
+	thread = new ThreadRef(callbackObj, callbackFunc);
+	thread->handle = CreateThread(NULL, StackSize, &ThreadRef::ThreadProc, thread, 0, NULL);
+}
+
+void SimpleThread::join()
+{
+	if (thread != nullptr && thread->handle != NULL) {
+		WaitForSingleObject(thread->handle, INFINITE);
+		CloseHandle(thread->handle);
+		thread->handle = NULL;
+	}
+}
+#else
+#include <thread>
+
+struct SimpleThread::ThreadRef
+{
+	std::thread thread;
+
+	static void threadProc(ThreadRef* threadRef)
+	{
+		threadRef->callbackFunc(threadRef->callbackObj);
+	}
+	
+	ThreadRef(void* callbackObj, CallbackFunc callbackFunc)
+		: callbackObj(callbackObj), callbackFunc(callbackFunc)
+	{
+	}
+	
+	void* callbackObj;
+	CallbackFunc callbackFunc;
+};
+
+void SimpleThread::startThread(void* callbackObj, CallbackFunc callbackFunc)
+{
+	thread = new ThreadRef(callbackObj, callbackFunc);
+	thread->thread = std::thread(&ThreadRef::threadProc, thread);
+}
+
+void SimpleThread::join()
+{
+	if (thread != nullptr && thread->thread.joinable()) {
+		thread->thread.join();
+	}
+}
+#endif
+
+SimpleThread::~SimpleThread()
+{
+	if (thread != nullptr) {
+		join();
+		delete thread;
+	}
+}

include/icsneo/third-party/readerwriterqueue/tests/common/simplethread.h

@@ -0,0 +1,154 @@
+#pragma once
+
+// Like C++11's std::thread, but with a reduced API, and works on Windows with MSVC2010+.
+// Wraps std::thread on other OSes. Perhaps the most significant departure between
+// std::thread and this mini-library is that join() is called implicitly in the destructor,
+// if the thread is joinable. The thread callback functions should not throw exceptions.
+
+#include <utility>
+#include <type_traits>
+
+
+namespace details
+{
+	template<typename TArg1 = void, typename TArg2 = void, typename TArg3 = void>
+	struct ArgWrapper
+	{
+		typename std::remove_reference<TArg1>::type arg1;
+		typename std::remove_reference<TArg2>::type arg2;
+		typename std::remove_reference<TArg3>::type arg3;
+		template<typename T, typename U, typename V>
+		ArgWrapper(T&& a1, U&& a2, V&& a3) : arg1(std::forward<T>(a1)), arg2(std::forward<U>(a2)), arg3(std::forward<V>(a3)) { }
+		template<typename TCallback>
+		void callCallback(TCallback&& callback) const { std::forward<TCallback>(callback)(std::move(arg1), std::move(arg2), std::move(arg3)); }
+	};
+	
+	template<typename TArg1, typename TArg2>
+	struct ArgWrapper<TArg1, TArg2, void>
+	{
+		typename std::remove_reference<TArg1>::type arg1;
+		typename std::remove_reference<TArg2>::type arg2;
+		template<typename T, typename U>
+		ArgWrapper(T&& a1, U&& a2) : arg1(std::forward<T>(a1)), arg2(std::forward<U>(a2)) { }
+		template<typename TCallback>
+		void callCallback(TCallback&& callback) const { std::forward<TCallback>(callback)(std::move(arg1), std::move(arg2)); }
+	};
+	
+	template<typename TArg1>
+	struct ArgWrapper<TArg1, void, void>
+	{
+		typename std::remove_reference<TArg1>::type arg1;
+		template<typename T>
+		ArgWrapper(T&& a1) : arg1(std::forward<T>(a1)) { }
+		template<typename TCallback>
+		void callCallback(TCallback&& callback) const { std::forward<TCallback>(callback)(std::move(arg1)); }
+	};
+	
+	template<> struct ArgWrapper<void, void, void>
+	{
+		template<typename TCallback> void callCallback(TCallback&& callback) const { std::forward<TCallback>(callback)(); }
+	};
+}
+
+
+class SimpleThread
+{
+private:
+	struct ThreadRef;
+	
+	template<typename TCallback, typename TArgs>
+	struct CallbackWrapper
+	{
+		template<typename U>
+		CallbackWrapper(TCallback&& callback, U&& args)
+			: callback(std::forward<TCallback>(callback)), args(std::forward<U>(args))
+		{
+		}
+
+		static void callAndDelete(void* wrapper)
+		{
+			auto typedWrapper = static_cast<CallbackWrapper*>(wrapper);
+			typedWrapper->args.callCallback(std::move(typedWrapper->callback));
+			delete typedWrapper;
+		}
+
+		typename std::decay<TCallback>::type callback;
+		TArgs args;
+	};
+	
+	typedef void (*CallbackFunc)(void*);
+
+	void startThread(void* callbackObj, CallbackFunc callbackFunc);
+
+
+public:
+	static const int StackSize = 4 * 1024;	// bytes
+
+	SimpleThread() : thread(nullptr) {  }
+
+	SimpleThread(SimpleThread&& other)
+		: thread(other.thread)
+	{
+		other.thread = nullptr;
+	}
+	
+	SimpleThread& operator=(SimpleThread&& other)
+	{
+		thread = other.thread;
+		other.thread = nullptr;
+		return *this;
+	}
+	
+	// Disable copying and copy-assignment
+private:
+	SimpleThread(SimpleThread const&);
+	SimpleThread& operator=(SimpleThread const&);
+public:
+
+	template<typename TCallback>
+	explicit SimpleThread(TCallback&& callback)
+	{
+		auto wrapper = new CallbackWrapper<TCallback, details::ArgWrapper<>>(
+			std::forward<TCallback>(callback),
+			details::ArgWrapper<>()
+		);
+		startThread(wrapper, &CallbackWrapper<TCallback, details::ArgWrapper<>>::callAndDelete);
+	}
+
+	template<typename TCallback, typename TArg1>
+	explicit SimpleThread(TCallback&& callback, TArg1&& arg1)
+	{
+		auto wrapper = new CallbackWrapper<TCallback, details::ArgWrapper<TArg1>>(
+			std::forward<TCallback>(callback),
+			details::ArgWrapper<TArg1>(std::forward<TArg1>(arg1))
+		);
+		startThread(wrapper, &CallbackWrapper<TCallback, details::ArgWrapper<TArg1>>::callAndDelete);
+	}
+
+	template<typename TCallback, typename TArg1, typename TArg2>
+	explicit SimpleThread(TCallback&& callback, TArg1&& arg1, TArg2&& arg2)
+	{
+		auto wrapper = new CallbackWrapper<TCallback, details::ArgWrapper<TArg1, TArg2>>(
+			std::forward<TCallback>(callback),
+			details::ArgWrapper<TArg1, TArg2>(std::forward<TArg1>(arg1), std::forward<TArg2>(arg2))
+		);
+		startThread(wrapper, &CallbackWrapper<TCallback, details::ArgWrapper<TArg1, TArg2>>::callAndDelete);
+	}
+
+	template<typename TCallback, typename TArg1, typename TArg2, typename TArg3>
+	explicit SimpleThread(TCallback&& callback, TArg1&& arg1, TArg2&& arg2, TArg3&& arg3)
+	{
+		auto wrapper = new CallbackWrapper<TCallback, details::ArgWrapper<TArg1, TArg2, TArg3>>(
+			std::forward<TCallback>(callback),
+			details::ArgWrapper<TArg1, TArg2, TArg3>(std::forward<TArg1>(arg1), std::forward<TArg2>(arg2), std::forward<TArg3>(arg3))
+		);
+		startThread(wrapper, &CallbackWrapper<TCallback, details::ArgWrapper<TArg1, TArg2, TArg3>>::callAndDelete);
+	}
+	
+	~SimpleThread();
+
+	void join();
+
+private:
+	ThreadRef* thread;
+};

include/icsneo/third-party/readerwriterqueue/tests/stabtest/makefile

@@ -0,0 +1,23 @@
+ifeq ($(OS),Windows_NT)
+	EXT=.exe
+	PLATFORM_OPTS=-static
+	PLATFORM_LD_OPTS=-Wl,--no-as-needed
+else
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		EXT=
+		PLATFORM_OPTS=
+		PLATFORM_LD_OPTS=
+	else
+		EXT=
+		PLATFORM_OPTS=
+		PLATFORM_LD_OPTS=-lrt -Wl,--no-as-needed
+endif
+
+default: stabtest$(EXT)
+
+stabtest$(EXT): stabtest.cpp ../../readerwriterqueue.h ../../atomicops.h ../common/simplethread.h ../common/simplethread.cpp makefile
+	g++ $(PLATFORM_OPTS) -std=c++11 -Wpedantic -Wall -DNDEBUG -O3 stabtest.cpp ../common/simplethread.cpp -o stabtest$(EXT) -pthread $(PLATFORM_LD_OPTS)
+
+run: stabtest$(EXT)
+	./stabtest$(EXT)

include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc10/stabtest.sln

@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2010
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "stabtest", "stabtest.vcxproj", "{16E74A53-972D-4762-BC18-8946FB1EF452}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|Win32.ActiveCfg = Debug|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|Win32.Build.0 = Debug|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|x64.ActiveCfg = Debug|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|x64.Build.0 = Debug|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|Win32.ActiveCfg = Release|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|Win32.Build.0 = Release|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|x64.ActiveCfg = Release|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc10/stabtest.vcxproj

@@ -0,0 +1,157 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{16E74A53-972D-4762-BC18-8946FB1EF452}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>stabtest</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)</OutDir>
+    <IntDir>obj\$(Configuration)\$(Platform)</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)</OutDir>
+    <IntDir>obj\$(Configuration)\$(Platform)</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)</OutDir>
+    <IntDir>obj\$(Configuration)\$(Platform)</IntDir>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)$(Configuration)\$(Platform)</OutDir>
+    <IntDir>obj\$(Configuration)\$(Platform)</IntDir>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>
+      </PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\common\simplethread.cpp" />
+    <ClCompile Include="..\stabtest.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\atomicops.h" />
+    <ClInclude Include="..\..\..\readerwriterqueue.h" />
+    <ClInclude Include="..\..\common\simplethread.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc10/stabtest.vcxproj.filters

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\stabtest.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\common\simplethread.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\atomicops.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\readerwriterqueue.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\common\simplethread.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc12/stabtest.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.30501.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "stabtest", "stabtest.vcxproj", "{16E74A53-972D-4762-BC18-8946FB1EF452}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|Win32.ActiveCfg = Debug|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|Win32.Build.0 = Debug|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|x64.ActiveCfg = Debug|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Debug|x64.Build.0 = Debug|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|Win32.ActiveCfg = Release|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|Win32.Build.0 = Release|Win32
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|x64.ActiveCfg = Release|x64
+		{16E74A53-972D-4762-BC18-8946FB1EF452}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc12/stabtest.vcxproj

@@ -0,0 +1,161 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{16E74A53-972D-4762-BC18-8946FB1EF452}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>stabtest</RootNamespace>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <PlatformToolset>v120</PlatformToolset>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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include/icsneo/third-party/readerwriterqueue/tests/stabtest/msvc12/stabtest.vcxproj.filters

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+      <Filter>Header Files</Filter>
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+  </ItemGroup>
+</Project>

include/icsneo/third-party/readerwriterqueue/tests/stabtest/stabtest.cpp

@@ -0,0 +1,80 @@
+#include "../../readerwriterqueue.h"
+#include "../common/simplethread.h"
+
+using namespace moodycamel;
+
+#include <cstdlib>
+#include <exception>
+#include <fstream>
+#include <cstdlib>		// rand()
+//#include <unistd.h>		// usleep()
+
+void unpredictableDelay(int extra = 0)
+{
+/*	if ((rand() & 4095) == 0) {
+		usleep(2000 + extra);	// in microseconds
+	}*/
+}
+
+int main(int argc, char** argv)
+{
+	// Disable buffering (so that when run in, e.g., Sublime Text, the output appears as it is written)
+	std::setvbuf(stdout, nullptr, _IONBF, 0);
+	
+	std::printf("Running stability test for moodycamel::ReaderWriterQueue.\n");
+	std::printf("Logging to 'log.txt'. Press CTRL+C to quit.\n\n");
+	
+	
+	std::ofstream log("log.txt");
+
+	try {
+		for (unsigned int i = 0; true; ++i) {
+			log << "Test #" << i << std::endl;
+			std::printf("Test #%d\n", i);
+
+			ReaderWriterQueue<unsigned long long> q((rand() % 32) + 1);
+	
+			SimpleThread writer([&]() {
+				for (unsigned long long j = 0; j < 1024ULL * 1024ULL * 32ULL; ++j) {
+					unpredictableDelay(500);
+					q.enqueue(j);
+				}
+			});
+	
+			SimpleThread reader([&]() {
+				bool canLog = true;
+				unsigned long long element;
+				for (unsigned long long j = 0; j < 1024ULL * 1024ULL * 32ULL;) {
+					if (canLog && (j & (1024 * 1024 * 16 - 1)) == 0) {
+						log << "  ... iteration " << j << std::endl;
+						std::printf("  ... iteration %llu\n", j);
+						canLog = false;
+					}
+					unpredictableDelay();
+					if (q.try_dequeue(element)) {
+						if (element != j) {
+							log << "  ERROR DETECTED: Expected to read " << j << " but found " << element << std::endl;
+							std::printf("  ERROR DETECTED: Expected to read %llu but found %llu", j, element);
+						}
+						++j;
+						canLog = true;
+					}
+				}
+				if (q.try_dequeue(element)) {
+					log << "  ERROR DETECTED: Expected queue to be empty" << std::endl;
+					std::printf("  ERROR DETECTED: Expected queue to be empty\n");
+				}
+			});
+		
+			writer.join();
+			reader.join();
+		}
+	}
+	catch (std::exception const& ex) {
+		log << "  ERROR DETECTED: Exception thrown: " << ex.what() << std::endl;
+		std::printf("  ERROR DETECTED: Exception thrown: %s\n", ex.what());
+	}
+	
+	return 0;
+}
+

include/icsneo/third-party/readerwriterqueue/tests/unittests/makefile

@@ -0,0 +1,27 @@
+
+
+ifeq ($(OS),Windows_NT)
+	EXT=.exe
+	PLATFORM_OPTS=-static
+	PLATFORM_LD_OPTS=-Wl,--no-as-needed
+else
+	UNAME_S := $(shell uname -s)
+	ifeq ($(UNAME_S),Darwin)
+		EXT=
+		PLATFORM_OPTS=
+		PLATFORM_LD_OPTS=
+	else
+		EXT=
+		PLATFORM_OPTS=
+		PLATFORM_LD_OPTS=-lrt -Wl,--no-as-needed
+	endif
+endif
+
+
+default: unittests$(EXT)
+
+unittests$(EXT): unittests.cpp ../../readerwriterqueue.h ../../atomicops.h ../common/simplethread.h ../common/simplethread.cpp minitest.h makefile
+	g++ $(PLATFORM_OPTS) -std=c++11 -Wpedantic -Wall -DNDEBUG -O3 -g unittests.cpp ../common/simplethread.cpp -o unittests$(EXT) -pthread $(PLATFORM_LD_OPTS)
+
+run: unittests$(EXT)
+	./unittests$(EXT)

include/icsneo/third-party/readerwriterqueue/tests/unittests/minitest.h

@@ -0,0 +1,125 @@
+// ©2013-2014 Cameron Desrochers.
+// Distributed under the simplified BSD license (see the LICENSE file that
+// should have come with this header).
+
+// Provides an extremely basic unit testing framework.
+
+#pragma once
+
+#include <cstdio>
+#include <string>
+#include <map>
+#include <vector>
+#include <type_traits>
+#include <typeinfo>
+
+#ifdef __GNUG__
+#include <cxxabi.h>
+#include <cstdlib>
+#endif
+
+
+
+#define REGISTER_TEST(testName) registerTest(#testName, &subclass_t::testName)
+
+#define ASSERT_OR_FAIL(expr) { if (!(expr)) { notifyTestFailed(__LINE__, #expr); return false; } }
+#define SUCCEED() { return true; }
+
+
+
+// Uses CRTP
+template<typename TSubclass>
+class TestClass
+{
+public:
+	static void notifyTestFailed(int line, const char* expr)
+	{
+		std::printf("    FAILED!\n    ******* Assertion failed (line %d): %s\n\n", line, expr);
+	}
+	
+	bool validateTestName(std::string const& which) const
+	{
+		return testMap.find(which) != testMap.end();
+	}
+	
+	void getAllTestNames(std::vector<std::string>& names) const
+	{
+		for (auto it = testMap.cbegin(); it != testMap.cend(); ++it) {
+			names.push_back(it->first);
+		}
+	}
+	
+	bool run(unsigned int iterations = 1)
+	{
+		bool success = true;
+		for (auto it = testVec.cbegin(); it != testVec.cend(); ++it) {
+			if (!execTest(*it, iterations)) {
+				success = false;
+			}
+		}
+		return success;
+	}
+	
+	bool run(std::vector<std::string> const& which, unsigned int iterations = 1)
+	{
+		bool success = true;
+		for (auto it = which.begin(); it != which.end(); ++it) {
+			if (!execTest(*testMap.find(*it), iterations)) {
+				success = false;
+			}
+		}
+		return success;
+	}
+	
+protected:
+	typedef TSubclass subclass_t;
+
+	void registerTest(const char* name, bool (subclass_t::* method)())
+	{
+		testVec.push_back(std::make_pair(std::string(name), method));
+		testMap[std::string(name)] = method;
+	}
+	
+	bool execTest(std::pair<std::string, bool (subclass_t::*)()> const& testRef, unsigned int iterations)
+	{
+		std::printf("%s::%s... \n", demangle_type_name(typeid(subclass_t).name()).c_str(), testRef.first.c_str());
+		
+		bool result = true;
+		for (unsigned int i = 0; i != iterations; ++i) {
+			if (!(static_cast<subclass_t*>(this)->*testRef.second)()) {
+				result = false;
+				break;
+			}
+		}
+		
+		if (result) {
+			std::printf("    passed\n\n");
+		}
+		else {
+			std::printf("    FAILED!\n\n");
+		}
+		return result;
+	}
+	
+private:
+	static std::string demangle_type_name(const char* name)
+	{
+#ifdef __GNUG__
+		// Adapted from http://stackoverflow.com/a/4541470/21475
+		int status = -4;
+		char* res = abi::__cxa_demangle(name, nullptr, nullptr, &status);
+
+		const char* const demangled_name = (status == 0) ? res : name;
+		std::string ret(demangled_name);
+
+		std::free(res);
+		return ret;
+#else
+		return name;
+#endif
+	}
+	
+protected:
+	std::vector<std::pair<std::string, bool (TSubclass::*)()> > testVec;
+	std::map<std::string, bool (TSubclass::*)()> testMap;
+};

include/icsneo/third-party/readerwriterqueue/tests/unittests/msvc10/unittests.sln

@@ -0,0 +1,26 @@
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+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Debug|Win32.Build.0 = Debug|Win32
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Debug|x64.ActiveCfg = Debug|x64
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Debug|x64.Build.0 = Debug|x64
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Release|Win32.ActiveCfg = Release|Win32
+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Release|Win32.Build.0 = Release|Win32
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+		{C209657D-56BF-4A61-8FD2-DBAEB1E51B3B}.Release|x64.Build.0 = Release|x64
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+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
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include/icsneo/third-party/readerwriterqueue/tests/unittests/msvc10/unittests.vcxproj

@@ -0,0 +1,158 @@
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include/icsneo/third-party/readerwriterqueue/tests/unittests/msvc10/unittests.vcxproj.filters

@@ -0,0 +1,39 @@
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include/icsneo/third-party/readerwriterqueue/tests/unittests/unittests.cpp

@@ -0,0 +1,778 @@
+// ©2013-2015 Cameron Desrochers
+// Unit tests for moodycamel::ReaderWriterQueue
+
+#include <cstdio>
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include <memory>
+
+#include "minitest.h"
+#include "../common/simplethread.h"
+#include "../../readerwriterqueue.h"
+
+using namespace moodycamel;
+
+
+// *NOT* thread-safe
+struct Foo
+{
+	Foo() : copied(false) { id = _id()++; }
+	Foo(Foo const& other) : id(other.id), copied(true) { }
+	~Foo()
+	{
+		if (copied) return;
+		if (id != _last_destroyed_id() + 1) {
+			_destroyed_in_order() = false;
+		}
+		_last_destroyed_id() = id;
+		++_destroy_count();
+	}
+	static void reset() { _destroy_count() = 0; _id() = 0; _destroyed_in_order() = true; _last_destroyed_id() = -1; }
+	static int destroy_count() { return _destroy_count(); }
+	static bool destroyed_in_order() { return _destroyed_in_order(); }
+	
+private:
+	static int& _destroy_count() { static int c = 0; return c; }
+	static int& _id() { static int i = 0; return i; }
+	static bool& _destroyed_in_order() { static bool d = true; return d; }
+	static int& _last_destroyed_id() { static int i = -1; return i; }
+	
+	int id;
+	bool copied;
+};
+
+
+#if MOODYCAMEL_HAS_EMPLACE
+class UniquePtrWrapper
+{
+public:
+	UniquePtrWrapper() = default;
+	UniquePtrWrapper(std::unique_ptr<int> p) : m_p(std::move(p)) {}
+	int get_value() const { return *m_p; }
+	std::unique_ptr<int>& get_ptr() { return m_p; }
+private:
+	std::unique_ptr<int> m_p;
+};
+#endif
+
+/// Extracted from private static method of ReaderWriterQueue
+static size_t ceilToPow2(size_t x)
+{
+	// From http://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2
+	--x;
+	x |= x >> 1;
+	x |= x >> 2;
+	x |= x >> 4;
+	for (size_t i = 1; i < sizeof(size_t); i <<= 1) {
+		x |= x >> (i << 3);
+	}
+	++x;
+	return x;
+}
+
+
+class ReaderWriterQueueTests : public TestClass<ReaderWriterQueueTests>
+{
+public:
+	ReaderWriterQueueTests()
+	{
+		REGISTER_TEST(create_empty_queue);
+		REGISTER_TEST(enqueue_one);
+		REGISTER_TEST(enqueue_many);
+		REGISTER_TEST(nonempty_destroy);
+		REGISTER_TEST(try_enqueue);
+		REGISTER_TEST(try_dequeue);
+		REGISTER_TEST(peek);
+		REGISTER_TEST(pop);
+		REGISTER_TEST(size_approx);
+		REGISTER_TEST(max_capacity);
+		REGISTER_TEST(threaded);
+		REGISTER_TEST(blocking);
+		REGISTER_TEST(vector);
+#if MOODYCAMEL_HAS_EMPLACE
+		REGISTER_TEST(emplace);
+		REGISTER_TEST(try_enqueue_fail_workaround);
+		REGISTER_TEST(try_emplace_fail);
+#endif
+	}
+	
+	bool create_empty_queue()
+	{
+		{
+			ReaderWriterQueue<int> q;
+		}
+		
+		{
+			ReaderWriterQueue<int> q(1234);
+		}
+		
+		return true;
+	}
+	
+	bool enqueue_one()
+	{
+		int item;
+		
+		{
+			item = 0;
+			ReaderWriterQueue<int> q(1);
+			q.enqueue(12345);
+			ASSERT_OR_FAIL(q.try_dequeue(item));
+			ASSERT_OR_FAIL(item == 12345);
+		}
+		
+		{
+			item = 0;
+			ReaderWriterQueue<int> q(1);
+			ASSERT_OR_FAIL(q.try_enqueue(12345));
+			ASSERT_OR_FAIL(q.try_dequeue(item));
+			ASSERT_OR_FAIL(item == 12345);
+		}
+		
+		return true;
+	}
+	
+	bool enqueue_many()
+	{
+		int item = -1;
+		
+		{
+			ReaderWriterQueue<int> q(100);
+			for (int i = 0; i != 100; ++i) {
+				q.enqueue(i);
+			}
+			
+			for (int i = 0; i != 100; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+				ASSERT_OR_FAIL(item == i);
+			}
+		}
+		
+		{
+			ReaderWriterQueue<int> q(100);
+			for (int i = 0; i != 1200; ++i) {
+				q.enqueue(i);
+			}
+			
+			for (int i = 0; i != 1200; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+				ASSERT_OR_FAIL(item == i);
+			}
+		}
+		
+		return true;
+	}
+	
+	bool nonempty_destroy()
+	{
+		Foo item;
+		
+		// Some elements at beginning
+		Foo::reset();
+		{
+			ReaderWriterQueue<Foo> q(31);
+			for (int i = 0; i != 10; ++i) {
+				q.enqueue(Foo());
+			}
+		}
+		ASSERT_OR_FAIL(Foo::destroy_count() == 10);
+		ASSERT_OR_FAIL(Foo::destroyed_in_order());
+		
+		// Entire block
+		Foo::reset();
+		{
+			ReaderWriterQueue<Foo> q(31);
+			for (int i = 0; i != 31; ++i) {
+				q.enqueue(Foo());
+			}
+		}
+		ASSERT_OR_FAIL(Foo::destroy_count() == 31);
+		ASSERT_OR_FAIL(Foo::destroyed_in_order());
+		
+		// Multiple blocks
+		Foo::reset();
+		{
+			ReaderWriterQueue<Foo> q(31);
+			for (int i = 0; i != 94; ++i) {
+				q.enqueue(Foo());
+			}
+		}
+		ASSERT_OR_FAIL(Foo::destroy_count() == 94);
+		ASSERT_OR_FAIL(Foo::destroyed_in_order());
+		
+		// Some elements in another block
+		Foo::reset();
+		{
+			ReaderWriterQueue<Foo> q(31);
+			for (int i = 0; i != 42; ++i) {
+				q.enqueue(Foo());
+			}
+			for (int i = 0; i != 31; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+			}
+		}
+		ASSERT_OR_FAIL(Foo::destroy_count() == 42);
+		ASSERT_OR_FAIL(Foo::destroyed_in_order());
+		
+		// Some elements in multiple blocks
+		Foo::reset();
+		{
+			ReaderWriterQueue<Foo> q(31);
+			for (int i = 0; i != 123; ++i) {
+				q.enqueue(Foo());
+			}
+			for (int i = 0; i != 25; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+			}
+			for (int i = 0; i != 47; ++i) {
+				q.enqueue(Foo());
+			}
+			for (int i = 0; i != 140; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+			}
+			for (int i = 0; i != 230; ++i) {
+				q.enqueue(Foo());
+			}
+			for (int i = 0; i != 130; ++i) {
+				ASSERT_OR_FAIL(q.try_dequeue(item));
+			}
+			for (int i = 0; i != 100; ++i) {
+				q.enqueue(Foo());
+			}
+		}
+		ASSERT_OR_FAIL(Foo::destroy_count() == 500);
+		ASSERT_OR_FAIL(Foo::destroyed_in_order());
+		
+		return true;
+	}
+	
+	bool try_enqueue()
+	{
+		ReaderWriterQueue<int> q(31);
+		int item;
+		int size = 0;
+		
+		for (int i = 0; i < 10000; ++i) {
+			if ((rand() & 1) == 1) {
+				bool result = q.try_enqueue(i);
+				if (size == 31) {
+					ASSERT_OR_FAIL(!result);
+				}
+				else {
+					ASSERT_OR_FAIL(result);
+					++size;
+				}
+			}
+			else {
+				bool result = q.try_dequeue(item);
+				if (size == 0) {
+					ASSERT_OR_FAIL(!result);
+				}
+				else {
+					ASSERT_OR_FAIL(result);
+					--size;
+				}
+			}
+		}
+		
+		return true;
+	}
+	
+	bool try_dequeue()
+	{
+		int item;
+		
+		{
+			ReaderWriterQueue<int> q(1);
+			ASSERT_OR_FAIL(!q.try_dequeue(item));
+		}
+		
+		{
+			ReaderWriterQueue<int, 2> q(10);
+			ASSERT_OR_FAIL(!q.try_dequeue(item));
+		}
+		
+		return true;
+	}
+	
+	bool threaded()
+	{
+		weak_atomic<int> result;
+		result = 1;
+		
+		ReaderWriterQueue<int> q(100);
+		SimpleThread reader([&]() {
+			int item;
+			int prevItem = -1;
+			for (int i = 0; i != 1000000; ++i) {
+				if (q.try_dequeue(item)) {
+					if (item <= prevItem) {
+						result = 0;
+					}
+					prevItem = item;
+				}
+			}
+		});
+		SimpleThread writer([&]() {
+			for (int i = 0; i != 1000000; ++i) {
+				if (((i >> 7) & 1) == 0) {
+					q.enqueue(i);
+				}
+				else {
+					q.try_enqueue(i);
+				}
+			}
+		});
+		
+		writer.join();
+		reader.join();
+		
+		return result.load() == 1 ? true : false;
+	}
+
+	bool peek()
+	{
+		weak_atomic<int> result;
+		result = 1;
+		
+		ReaderWriterQueue<int> q(100);
+		SimpleThread reader([&]() {
+			int item;
+			int prevItem = -1;
+			int* peeked;
+			for (int i = 0; i != 100000; ++i) {
+				peeked = q.peek();
+				if (peeked != nullptr) {
+					if (q.try_dequeue(item)) {
+						if (item <= prevItem || item != *peeked) {
+							result = 0;
+						}
+						prevItem = item;
+					}
+					else {
+						result = 0;
+					}
+				}
+			}
+		});
+		SimpleThread writer([&]() {
+			for (int i = 0; i != 100000; ++i) {
+				if (((i >> 7) & 1) == 0) {
+					q.enqueue(i);
+				}
+				else {
+					q.try_enqueue(i);
+				}
+			}
+		});
+		
+		writer.join();
+		reader.join();
+		
+		return result.load() == 1 ? true : false;
+	}
+	
+	bool pop()
+	{
+		weak_atomic<int> result;
+		result = 1;
+		
+		ReaderWriterQueue<int> q(100);
+		SimpleThread reader([&]() {
+			int item;
+			int prevItem = -1;
+			int* peeked;
+			for (int i = 0; i != 100000; ++i) {
+				peeked = q.peek();
+				if (peeked != nullptr) {
+					item = *peeked;
+					if (q.pop()) {
+						if (item <= prevItem) {
+							result = 0;
+						}
+						prevItem = item;
+					}
+					else {
+						result = 0;
+					}
+				}
+			}
+		});
+		SimpleThread writer([&]() {
+			for (int i = 0; i != 100000; ++i) {
+				if (((i >> 7) & 1) == 0) {
+					q.enqueue(i);
+				}
+				else {
+					q.try_enqueue(i);
+				}
+			}
+		});
+		
+		writer.join();
+		reader.join();
+		
+		return result.load() == 1 ? true : false;
+	}
+	
+	bool size_approx()
+	{
+		weak_atomic<int> result;
+		weak_atomic<int> front;
+		weak_atomic<int> tail;
+		
+		result = 1;
+		front = 0;
+		tail = 0;
+		
+		ReaderWriterQueue<int> q(10);
+		SimpleThread reader([&]() {
+			int item;
+			for (int i = 0; i != 100000; ++i) {
+				if (q.try_dequeue(item)) {
+					fence(memory_order_release);
+					front = front.load() + 1;
+				}
+				int size = (int)q.size_approx();
+				fence(memory_order_acquire);
+				int tail_ = tail.load();
+				int front_ = front.load();
+				if (size > tail_ - front_ || size < 0) {
+					result = 0;
+				}
+			}
+		});
+		SimpleThread writer([&]() {
+			for (int i = 0; i != 100000; ++i) {
+				tail = tail.load() + 1;
+				fence(memory_order_release);
+				q.enqueue(i);
+				int tail_ = tail.load();
+				int front_ = front.load();
+				fence(memory_order_acquire);
+				int size = (int)q.size_approx();
+				if (size > tail_ - front_ || size < 0) {
+					result = 0;
+				}
+			}
+		});
+		
+		writer.join();
+		reader.join();
+		
+		return result.load() == 1 ? true : false;
+	}
+	
+	bool max_capacity()
+	{
+		{
+			// this math for queue size estimation is only valid for q_size <= 256
+			for (size_t q_size = 2; q_size < 256; ++q_size) {
+				ReaderWriterQueue<int> q(q_size);
+				ASSERT_OR_FAIL(q.max_capacity() == ceilToPow2(q_size+1)-1);
+
+				const size_t start_cap = q.max_capacity();
+				for (size_t i = 0; i < start_cap+1; ++i) // fill 1 past capacity to resize
+					q.enqueue(i);
+				ASSERT_OR_FAIL(q.max_capacity() == 3*start_cap+1);
+			}
+		}
+		return true;
+	}
+	
+	bool blocking()
+	{
+		{
+			BlockingReaderWriterQueue<int> q;
+			int item;
+			
+			q.enqueue(123);
+			ASSERT_OR_FAIL(q.try_dequeue(item));
+			ASSERT_OR_FAIL(item == 123);
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			
+			q.enqueue(234);
+			ASSERT_OR_FAIL(q.size_approx() == 1);
+			ASSERT_OR_FAIL(*q.peek() == 234);
+			ASSERT_OR_FAIL(*q.peek() == 234);
+			ASSERT_OR_FAIL(q.pop());
+			
+			ASSERT_OR_FAIL(q.try_enqueue(345));
+			q.wait_dequeue(item);
+			ASSERT_OR_FAIL(item == 345);
+			ASSERT_OR_FAIL(!q.peek());
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			ASSERT_OR_FAIL(!q.try_dequeue(item));
+		}
+		
+		weak_atomic<int> result;
+		result = 1;
+		
+		{
+			BlockingReaderWriterQueue<int> q(100);
+			SimpleThread reader([&]() {
+				int item = -1;
+				int prevItem = -1;
+				for (int i = 0; i != 1000000; ++i) {
+					q.wait_dequeue(item);
+					if (item <= prevItem) {
+						result = 0;
+					}
+					prevItem = item;
+				}
+			});
+			SimpleThread writer([&]() {
+				for (int i = 0; i != 1000000; ++i) {
+					q.enqueue(i);
+				}
+			});
+			
+			writer.join();
+			reader.join();
+			
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			ASSERT_OR_FAIL(result.load());
+		}
+
+		{
+			BlockingReaderWriterQueue<int> q(100);
+			SimpleThread reader([&]() {
+				int item = -1;
+				int prevItem = -1;
+				for (int i = 0; i != 1000000; ++i) {
+					if (!q.wait_dequeue_timed(item, 1000)) {
+						--i;
+						continue;
+					}
+					if (item <= prevItem) {
+						result = 0;
+					}
+					prevItem = item;
+				}
+			});
+			SimpleThread writer([&]() {
+				for (int i = 0; i != 1000000; ++i) {
+					q.enqueue(i);
+					for (volatile int x = 0; x != 100; ++x);
+				}
+			});
+			
+			writer.join();
+			reader.join();
+
+			int item;
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			ASSERT_OR_FAIL(!q.wait_dequeue_timed(item, 0));
+			ASSERT_OR_FAIL(!q.wait_dequeue_timed(item, 1));
+			ASSERT_OR_FAIL(result.load());
+		}
+		
+		return true;
+	}
+	
+	bool vector()
+	{
+		{
+			std::vector<ReaderWriterQueue<int>> queues;
+			queues.push_back(ReaderWriterQueue<int>());
+			queues.emplace_back();
+
+			queues[0].enqueue(1);
+			queues[1].enqueue(2);
+			std::swap(queues[0], queues[1]);
+
+			int item;
+			ASSERT_OR_FAIL(queues[0].try_dequeue(item));
+			ASSERT_OR_FAIL(item == 2);
+
+			ASSERT_OR_FAIL(queues[1].try_dequeue(item));
+			ASSERT_OR_FAIL(item == 1);
+		}
+		
+		{
+			std::vector<BlockingReaderWriterQueue<int>> queues;
+			queues.push_back(BlockingReaderWriterQueue<int>());
+			queues.emplace_back();
+
+			queues[0].enqueue(1);
+			queues[1].enqueue(2);
+			std::swap(queues[0], queues[1]);
+
+			int item;
+			ASSERT_OR_FAIL(queues[0].try_dequeue(item));
+			ASSERT_OR_FAIL(item == 2);
+
+			queues[1].wait_dequeue(item);
+			ASSERT_OR_FAIL(item == 1);
+		}
+		return true;
+	}
+
+#if MOODYCAMEL_HAS_EMPLACE
+	bool emplace()
+	{
+		ReaderWriterQueue<UniquePtrWrapper> q(100);
+		std::unique_ptr<int> p { new int(123) };
+		q.emplace(std::move(p));
+		UniquePtrWrapper item;
+		ASSERT_OR_FAIL(q.try_dequeue(item));
+		ASSERT_OR_FAIL(item.get_value() == 123);
+		ASSERT_OR_FAIL(q.size_approx() == 0);
+
+		return true;
+	}
+
+	// This is what you have to do to try_enqueue() a movable type, and demonstrates why try_emplace() is useful
+	bool try_enqueue_fail_workaround()
+	{
+		ReaderWriterQueue<UniquePtrWrapper> q(0);
+		{
+			// A failed try_enqueue() will still delete p
+			std::unique_ptr<int> p { new int(123) };
+			q.try_enqueue(std::move(p));
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			ASSERT_OR_FAIL(p == nullptr);
+		}
+		{
+			// Workaround isn't pretty and potentially expensive - use try_emplace() instead
+			std::unique_ptr<int> p { new int(123) };
+			UniquePtrWrapper w(std::move(p));
+			q.try_enqueue(std::move(w));
+			p = std::move(w.get_ptr());
+			ASSERT_OR_FAIL(q.size_approx() == 0);
+			ASSERT_OR_FAIL(p != nullptr);
+			ASSERT_OR_FAIL(*p == 123);
+		}
+
+		return true;
+	}
+
+	bool try_emplace_fail()
+	{
+		ReaderWriterQueue<UniquePtrWrapper> q(0);
+		std::unique_ptr<int> p { new int(123) };
+		q.try_emplace(std::move(p));
+		ASSERT_OR_FAIL(q.size_approx() == 0);
+		ASSERT_OR_FAIL(p != nullptr);
+		ASSERT_OR_FAIL(*p == 123);
+
+		return true;
+	}
+#endif
+};
+
+
+
+void printTests(ReaderWriterQueueTests const& tests)
+{
+	std::printf("   Supported tests are:\n");
+	
+	std::vector<std::string> names;
+	tests.getAllTestNames(names);
+	for (auto it = names.cbegin(); it != names.cend(); ++it) {
+		std::printf("      %s\n", it->c_str());
+	}
+}
+
+
+// Basic test harness
+int main(int argc, char** argv)
+{
+	bool disablePrompt = false;
+	std::vector<std::string> selectedTests;
+	
+	// Disable buffering (so that when run in, e.g., Sublime Text, the output appears as it is written)
+	std::setvbuf(stdout, nullptr, _IONBF, 0);
+	
+	// Isolate the executable name
+	std::string progName = argv[0];
+	auto slash = progName.find_last_of("/\\");
+	if (slash != std::string::npos) {
+		progName = progName.substr(slash + 1);
+	}
+	
+	ReaderWriterQueueTests tests;
+	
+	// Parse command line options
+	if (argc == 1) {
+		std::printf("Running all unit tests for moodycamel::ReaderWriterQueue.\n(Run %s --help for other options.)\n\n", progName.c_str());
+	}
+	else {
+		bool printHelp = false;
+		bool printedTests = false;
+		bool error = false;
+		for (int i = 1; i < argc; ++i) {
+			if (std::strcmp(argv[i], "--help") == 0) {
+				printHelp = true;
+			}
+			else if (std::strcmp(argv[i], "--disable-prompt") == 0) {
+				disablePrompt = true;
+			}
+			else if (std::strcmp(argv[i], "--run") == 0) {
+				if (i + 1 == argc || argv[i + 1][0] == '-') {
+					std::printf("Expected test name argument for --run option.\n");
+					if (!printedTests) {
+						printTests(tests);
+						printedTests = true;
+					}
+					error = true;
+					continue;
+				}
+				
+				if (!tests.validateTestName(argv[++i])) {
+					std::printf("Unrecognized test '%s'.\n", argv[i]);
+					if (!printedTests) {
+						printTests(tests);
+						printedTests = true;
+					}
+					error = true;
+					continue;
+				}
+				
+				selectedTests.push_back(argv[i]);
+			}
+			else {
+				std::printf("Unrecognized option '%s'.\n", argv[i]);
+				error = true;
+			}
+		}
+		
+		if (error || printHelp) {
+			if (error) {
+				std::printf("\n");
+			}
+			std::printf("%s\n    Description: Runs unit tests for moodycamel::ReaderWriterQueue\n", progName.c_str());
+			std::printf("    --help            Prints this help blurb\n");
+			std::printf("    --run test        Runs only the specified test(s)\n");
+			std::printf("    --disable-prompt  Disables prompt before exit when the tests finish\n");
+			return error ? -1 : 0;
+		}
+	}
+	
+	
+	int exitCode = 0;
+	
+	bool result;
+	if (selectedTests.size() > 0) {
+		result = tests.run(selectedTests);
+	}
+	else {
+		result = tests.run();
+	}
+	
+	if (result) {
+		std::printf("All %stests passed.\n", (selectedTests.size() > 0 ? "selected " : ""));
+	}
+	else {
+		std::printf("Test(s) failed!\n");
+		exitCode = 2;
+	}
+	
+	if (!disablePrompt) {
+		std::printf("Press ENTER to exit.\n");
+		getchar();
+	}
+	return exitCode;
+}
+