Add ReaderWriterQueue and update ConcurrentQueue

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;
+}
+