Initial Commit - Lesson 31 (Commit #1)

Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/tests/common/simplethread.cpp

@@ -0,0 +1,84 @@
+// ©2013 Cameron Desrochers
+
+#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;
+	}
+}