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store thread_id in tls

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This commit is contained in:
gabime 2016-12-02 17:33:49 +02:00
parent 343904b56d
commit 6d8efa8d7f
1 changed files with 10 additions and 3 deletions
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13
include/spdlog/details/os.h
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@ -294,7 +294,7 @@ inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
//Return current thread id as size_t
//It exists because the std::this_thread::get_id() is much slower(espcially under VS 2013)
inline size_t thread_id()
inline size_t _thread_id()
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
@ -310,10 +310,17 @@ inline size_t thread_id()
#else //Default to standard C++11 (OSX and other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
//Return current thread id as size_t (from thread local storage)
inline size_t thread_id()
{
static thread_local const size_t tid = _thread_id();
return tid;
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)