Merge remote repo native into ext/native/.

ext/native/thread/threadutil.cpp

@@ -0,0 +1,66 @@
+#ifdef _WIN32
+#include <windows.h>
+#define TLS_SUPPORTED
+#elif defined(ANDROID)
+#define TLS_SUPPORTED
+#endif
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "thread/threadutil.h"
+
+#ifdef ANDROID
+#include <pthread.h>
+#endif
+
+#ifdef TLS_SUPPORTED
+static __THREAD const char *curThreadName;
+#endif
+
+void setCurrentThreadName(const char* threadName) {
+#ifdef _WIN32
+	// Set the debugger-visible threadname through an unholy magic hack
+	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 = threadName;
+	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
+
+#if defined(ANDROID)
+	pthread_setname_np(pthread_self(), threadName);
+// #else
+//	pthread_setname_np(thread_name);
+#endif
+
+	// Do nothing
+#endif
+	// Set the locally known threadname using a thread local variable.
+#ifdef TLS_SUPPORTED
+	curThreadName = threadName;
+#endif
+}
+
+void AssertCurrentThreadName(const char *threadName) {
+#ifdef TLS_SUPPORTED
+	if (strcmp(curThreadName, threadName) != 0) {
+		ELOG("Thread name assert failed: Expected %s, was %s", threadName, curThreadName);
+	}
+#endif
+}