如何设置线程名

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To set a thread name in your program, use the SetThreadName function, as shown in the following code example. Note that the thread name is copied to the thread so that the memory for the threadName parameter can be released.

//  
// Usage: SetThreadName ((DWORD)-1, "MainThread");  
//  
#include <windows.h>  
const DWORD MS_VC_EXCEPTION = 0x406D1388;  
#pragma pack(push,8)  
typedef struct tagTHREADNAME_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)  
void SetThreadName(DWORD dwThreadID, const char* threadName) {  
    THREADNAME_INFO info;  
    info.dwType = 0x1000;  
    info.szName = threadName;  
    info.dwThreadID = dwThreadID;  
    info.dwFlags = 0;  
#pragma warning(push)  
#pragma warning(disable: 6320 6322)  
    __try{  
        RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info);  
    }  
    __except (EXCEPTION_EXECUTE_HANDLER){  
    }  
#pragma warning(pop)  
}

https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx