ConcurrentQueue: Update to HEAD

include/icsneo/third-party/concurrentqueue/c_api/concurrentqueue.cpp

@@ -0,0 +1,39 @@
+#include "concurrentqueue.h"
+#include "../concurrentqueue.h"
+
+typedef moodycamel::ConcurrentQueue<void*> MoodycamelCQType, *MoodycamelCQPtr;
+
+extern "C" {
+
+int moodycamel_cq_create(MoodycamelCQHandle* handle)
+{
+	MoodycamelCQPtr retval = new MoodycamelCQType;
+	if (retval == nullptr) {
+		return 0;
+	}
+	*handle = retval;
+	return 1;
+}
+
+int moodycamel_cq_destroy(MoodycamelCQHandle handle)
+{
+	delete reinterpret_cast<MoodycamelCQPtr>(handle);
+	return 1;
+}
+
+int moodycamel_cq_enqueue(MoodycamelCQHandle handle, MoodycamelValue value)
+{
+	return reinterpret_cast<MoodycamelCQPtr>(handle)->enqueue(value) ? 1 : 0;
+}
+
+int moodycamel_cq_try_dequeue(MoodycamelCQHandle handle, MoodycamelValue* value)
+{
+	return reinterpret_cast<MoodycamelCQPtr>(handle)->try_dequeue(*value) ? 1 : 0;
+}
+
+size_t moodycamel_cq_size_approx(MoodycamelCQHandle handle)
+{
+    return reinterpret_cast<MoodycamelCQPtr>(handle)->size_approx();
+}
+
+}