Merge branch 'master' into stable

1 files changed, 139 insertions, 0 deletions

diff --git a/Source/Core/Common/Thread.cpp b/Source/Core/Common/Thread.cpp
new file mode 100644
index 0000000000..fb091ee2a7
--- /dev/null
+++ b/Source/Core/Common/Thread.cpp
@@ -0,0 +1,139 @@
+// Copyright 2008 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "Common/CommonFuncs.h"
+#include "Common/CommonTypes.h"
+#include "Common/Thread.h"
+
+#ifdef __APPLE__
+#include <mach/mach.h>
+#elif defined BSD4_4
+#include <pthread_np.h>
+#endif
+
+#ifdef USE_VTUNE
+#include <ittnotify.h>
+#pragma comment(lib, "libittnotify.lib")
+#endif
+
+namespace Common
+{
+
+int CurrentThreadId()
+{
+#ifdef _WIN32
+	return GetCurrentThreadId();
+#elif defined __APPLE__
+	return mach_thread_self();
+#else
+	return 0;
+#endif
+}
+
+#ifdef _WIN32
+
+void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
+{
+	SetThreadAffinityMask(thread, mask);
+}
+
+void SetCurrentThreadAffinity(u32 mask)
+{
+	SetThreadAffinityMask(GetCurrentThread(), mask);
+}
+
+// Supporting functions
+void SleepCurrentThread(int ms)
+{
+	Sleep(ms);
+}
+
+void SwitchCurrentThread()
+{
+	SwitchToThread();
+}
+
+// Sets the debugger-visible name of the current thread.
+// Uses undocumented (actually, it is now documented) trick.
+// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vsdebug/html/vxtsksettingthreadname.asp
+
+// This is implemented much nicer in upcoming msvc++, see:
+// http://msdn.microsoft.com/en-us/library/xcb2z8hs(VS.100).aspx
+void SetCurrentThreadName(const char* szThreadName)
+{
+	static const DWORD MS_VC_EXCEPTION = 0x406D1388;
+
+	#pragma pack(push,8)
+	struct THREADNAME_INFO
+	{
+		DWORD dwType; // must be 0x1000
+		LPCSTR szName; // pointer to name (in user addr space)
+		DWORD dwThreadID; // thread ID (-1=caller thread)
+		DWORD dwFlags; // reserved for future use, must be zero
+	} info;
+	#pragma pack(pop)
+
+	info.dwType = 0x1000;
+	info.szName = szThreadName;
+	info.dwThreadID = -1; //dwThreadID;
+	info.dwFlags = 0;
+
+	__try
+	{
+		RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info);
+	}
+	__except(EXCEPTION_CONTINUE_EXECUTION)
+	{}
+}
+
+#else // !WIN32, so must be POSIX threads
+
+void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
+{
+#ifdef __APPLE__
+	thread_policy_set(pthread_mach_thread_np(thread),
+		THREAD_AFFINITY_POLICY, (integer_t *)&mask, 1);
+#elif (defined __linux__ || defined BSD4_4) && !(defined ANDROID)
+	cpu_set_t cpu_set;
+	CPU_ZERO(&cpu_set);
+
+	for (int i = 0; i != sizeof(mask) * 8; ++i)
+		if ((mask >> i) & 1)
+			CPU_SET(i, &cpu_set);
+
+	pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
+#endif
+}
+
+void SetCurrentThreadAffinity(u32 mask)
+{
+	SetThreadAffinity(pthread_self(), mask);
+}
+
+void SleepCurrentThread(int ms)
+{
+	usleep(1000 * ms);
+}
+
+void SwitchCurrentThread()
+{
+	usleep(1000 * 1);
+}
+
+void SetCurrentThreadName(const char* szThreadName)
+{
+#ifdef __APPLE__
+	pthread_setname_np(szThreadName);
+#else
+	pthread_setname_np(pthread_self(), szThreadName);
+#endif
+#ifdef USE_VTUNE
+	// VTune uses OS thread names by default but probably supports longer names when set via its own API.
+	__itt_thread_set_name(szThreadName);
+#endif
+}
+
+#endif
+
+} // namespace Common