设置线程名字

vs2010   https://msdn.microsoft.com/en-us/library/xcb2z8hs(v=vs.100).aspx

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 SetCurrentThreadName(const char* threadName)
{
    THREADNAME_INFO info;
    info.dwType = 0x1000;
    info.szName = threadName;
    info.dwThreadID = -1;
    info.dwFlags = 0;

    __try
    {
        RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
    }
    __except(EXCEPTION_EXECUTE_HANDLER)
    {
    }
}

linux  https://github.com/apache/trafficserver/blob/f9a6930fca6ea458615fa7fef6b7e67c472701ed/lib/ts/ink_thread.h

// This define is from Linux's <sys/prctl.h> and is most likely very
// Linux specific... Feel free to add support for other platforms
// that has a feature to give a thread specific name / tag.
static inline void
ink_set_thread_name(const char *name ATS_UNUSED)
{
#if defined(HAVE_PTHREAD_SETNAME_NP_1)
  pthread_setname_np(name);
#elif defined(HAVE_PTHREAD_SETNAME_NP_2)
  pthread_setname_np(pthread_self(), name);
#elif defined(HAVE_PTHREAD_SET_NAME_NP_2)
  pthread_set_name_np(pthread_self(), name);
#elif defined(HAVE_SYS_PRCTL_H) && defined(PR_SET_NAME)
  prctl(PR_SET_NAME, name, 0, 0, 0);
#endif
}