Thread safety for Win32. SourceForge bug #1507315.

1 files changed, 32 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gdi/InitCritSections.cpp b/src/mesa/drivers/windows/gdi/InitCritSections.cpp
new file mode 100644
index 00000000000..7145bffa510
--- /dev/null
+++ b/src/mesa/drivers/windows/gdi/InitCritSections.cpp
@@ -0,0 +1,32 @@
+#include "glapi.h"
+#include "glThread.h"
+
+#ifdef WIN32_THREADS
+extern "C" _glthread_Mutex OneTimeLock;
+extern "C" _glthread_Mutex GenTexturesLock;
+
+extern "C" void FreeAllTSD(void);
+
+class _CriticalSectionInit
+{
+public:
+	static _CriticalSectionInit	m_inst;
+
+	_CriticalSectionInit()
+	{
+		_glthread_INIT_MUTEX(OneTimeLock);
+		_glthread_INIT_MUTEX(GenTexturesLock);
+	}
+
+	~_CriticalSectionInit()
+	{
+		_glthread_DESTROY_MUTEX(OneTimeLock);
+		_glthread_DESTROY_MUTEX(GenTexturesLock);
+		FreeAllTSD();
+	}
+};
+
+_CriticalSectionInit _CriticalSectionInit::m_inst;
+
+
+#endif