1 files changed, 19 insertions, 12 deletions

diff --git a/src/OSSupport/IsThread.cpp b/src/OSSupport/IsThread.cpp
index 36205bcf1..04fc818e4 100644
--- a/src/OSSupport/IsThread.cpp
+++ b/src/OSSupport/IsThread.cpp
@@ -18,26 +18,33 @@
 // Usage: SetThreadName (-1, "MainThread");
 //
 
-static void SetThreadName( DWORD dwThreadID, LPCSTR szThreadName)
+// Code adapted from MSDN: http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx
+
+const DWORD MS_VC_EXCEPTION = 0x406D1388;
+
+#pragma pack(push, 8)
+typedef struct tagTHREADNAME_INFO
 {
-	struct
-	{
-		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;
-	
+	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.
+} THREADNAME_INFO;
+#pragma pack(pop)
+
+static void SetThreadName(DWORD dwThreadID, const char * threadName)
+{
+	THREADNAME_INFO info;
 	info.dwType = 0x1000;
-	info.szName = szThreadName;
+	info.szName = threadName;
 	info.dwThreadID = dwThreadID;
 	info.dwFlags = 0;
 
 	__try
 	{
-		RaiseException(0x406D1388, 0, sizeof(info) / sizeof(DWORD), (DWORD *)&info);
+		RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR *)&info);
 	}
-	__except(EXCEPTION_CONTINUE_EXECUTION)
+	__except (EXCEPTION_EXECUTE_HANDLER)
 	{
 	}
 }