Some days ago, someone asked me if it is possible to rename threads in the VC debugger. Because I worked at a multi threading project myself those days, I was very interested in realizing this idea. Some Google group searches later, I had a solution that is short and easy. Because this could be very helpful for everyone working on applications with many threads, I publish it here.
There isn't much to understand except, that the VC debugger gets the information about a thread's name via the exception #0x406D1388.
I put the necessary call into a simple function. Here is the code:
typedef struct tagTHREADNAME_INFO
void SetThreadName( DWORD dwThreadID, LPCSTR szThreadName)
info.dwType = 0x1000;
info.szName = szThreadName;
info.dwThreadID = dwThreadID;
info.dwFlags = 0;
RaiseException( 0x406D1388, 0, sizeof(info)/sizeof(DWORD), (DWORD*)&info );
You just have to call
SetThreadName() with the thread ID and a name string as parameters.
Have fun with that tiny tool ;)
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