diff --git a/src/os/windows/win32.cpp b/src/os/windows/win32.cpp --- a/src/os/windows/win32.cpp +++ b/src/os/windows/win32.cpp @@ -785,3 +785,36 @@ uint GetCPUCoreCount() GetSystemInfo(&info); return info.dwNumberOfProcessors; } + +#ifdef _MSC_VER +/* Code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */ +const DWORD MS_VC_EXCEPTION = 0x406D1388; +#pragma pack(push,8) +typedef 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. +} THREADNAME_INFO; +#pragma pack(pop) + +/** + * Signal thread name to any attached debuggers. + */ +void SetWin32ThreadName(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) +} +#endif