Cleanup.

src/mutex.cpp

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2010-2017 Branimir Karadzic. All rights reserved.
+ * License: https://github.com/bkaradzic/bx#license-bsd-2-clause
+ */
+
+#include <bx/mutex.h>
+
+#if BX_CONFIG_SUPPORTS_THREADING
+
+#if 0 \
+	|| BX_PLATFORM_ANDROID \
+	|| BX_PLATFORM_LINUX \
+	|| BX_PLATFORM_NACL \
+	|| BX_PLATFORM_IOS \
+	|| BX_PLATFORM_OSX
+#	include <pthread.h>
+#elif 0 \
+	|| BX_PLATFORM_WINDOWS \
+	|| BX_PLATFORM_WINRT \
+	|| BX_PLATFORM_XBOX360
+#	include <errno.h>
+#endif // BX_PLATFORM_
+
+namespace bx
+{
+#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360 || BX_PLATFORM_XBOXONE || BX_PLATFORM_WINRT
+	typedef CRITICAL_SECTION pthread_mutex_t;
+	typedef unsigned pthread_mutexattr_t;
+
+	inline int pthread_mutex_lock(pthread_mutex_t* _mutex)
+	{
+		EnterCriticalSection(_mutex);
+		return 0;
+	}
+
+	inline int pthread_mutex_unlock(pthread_mutex_t* _mutex)
+	{
+		LeaveCriticalSection(_mutex);
+		return 0;
+	}
+
+	inline int pthread_mutex_trylock(pthread_mutex_t* _mutex)
+	{
+		return TryEnterCriticalSection(_mutex) ? 0 : EBUSY;
+	}
+
+	inline int pthread_mutex_init(pthread_mutex_t* _mutex, pthread_mutexattr_t* /*_attr*/)
+	{
+#if BX_PLATFORM_WINRT
+		InitializeCriticalSectionEx(_mutex, 4000, 0);   // docs recommend 4000 spincount as sane default
+#else
+		InitializeCriticalSection(_mutex);
+#endif
+		return 0;
+	}
+
+	inline int pthread_mutex_destroy(pthread_mutex_t* _mutex)
+	{
+		DeleteCriticalSection(_mutex);
+		return 0;
+	}
+#endif // BX_PLATFORM_
+
+	Mutex::Mutex()
+	{
+		pthread_mutexattr_t attr;
+#if BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360 || BX_PLATFORM_XBOXONE || BX_PLATFORM_WINRT
+#else
+		pthread_mutexattr_init(&attr);
+		pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+#endif // BX_PLATFORM_WINDOWS || BX_PLATFORM_XBOX360 || BX_PLATFORM_WINRT
+		pthread_mutex_init(&m_handle, &attr);
+	}
+
+	Mutex::~Mutex()
+	{
+		pthread_mutex_destroy(&m_handle);
+	}
+
+	void Mutex::lock()
+	{
+		pthread_mutex_lock(&m_handle);
+	}
+
+	void Mutex::unlock()
+	{
+		pthread_mutex_unlock(&m_handle);
+	}
+
+} // namespace bx
+
+#endif // BX_MUTEX_H_HEADER_GUARD