Initial Commit - Lesson 31 (Commit #1)

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

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+// ©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;
+	}
+}

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

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+// ©2013 Cameron Desrochers
+
+#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;
+		ArgWrapper(ArgWrapper const& o) : arg1(o.arg1), arg2(o.arg2), arg3(o.arg3) { }
+		ArgWrapper(ArgWrapper&& o) : arg1(std::move(o.arg1)), arg2(std::move(o.arg2)), arg3(std::move(o.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;
+		ArgWrapper(ArgWrapper const& o) : arg1(o.arg1), arg2(o.arg2) { }
+		ArgWrapper(ArgWrapper&& o) : arg1(std::move(o.arg1)), arg2(std::move(o.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;
+		ArgWrapper(ArgWrapper const& o) : arg1(o.arg1) { }
+		ArgWrapper(ArgWrapper&& o) : arg1(std::move(o.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;
+};

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

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+// ©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;
+	}
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+	return static_cast<double>(static_cast<__int64>(now - start)) / f.QuadPart * 1000;
+#if defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
+}
+
+}  // 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

Plugins/GameLiftServerSDK/ThirdParty/concurrentqueue/tests/common/systemtime.h

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+// ©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);
+}