tracy/common/TracySystem.cpp
Bartosz Taudul bd622c304a Limit pthread thread name to 16 bytes.
This is a documented pthread restriction. Passing longer strings has no
effect (i.e. thread name is not set).
2017-09-22 21:45:35 +02:00

66 lines
1.3 KiB
C++
Executable File

#ifdef _WIN32
# include <windows.h>
#else
# include <pthread.h>
# include <unistd.h>
#endif
#include "TracySystem.hpp"
namespace tracy
{
const char* PointerCheckA = "tracy";
void SetThreadName( std::thread& thread, const char* name )
{
#ifdef _WIN32
# ifdef NTDDI_WIN10_RS2
wchar_t buf[256];
mbstowcs( buf, name, 256 );
SetThreadDescription( static_cast<HANDLE>( thread.native_handle() ), buf );
# else
const DWORD MS_VC_EXCEPTION=0x406D1388;
# pragma pack( push, 8 )
struct THREADNAME_INFO
{
DWORD dwType;
LPCSTR szName;
DWORD dwThreadID;
DWORD dwFlags;
};
# pragma pack(pop)
DWORD ThreadId = GetThreadId( static_cast<HANDLE>( thread.native_handle() ) );
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = name;
info.dwThreadID = ThreadId;
info.dwFlags = 0;
__try
{
RaiseException( MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info );
}
__except(EXCEPTION_EXECUTE_HANDLER)
{
}
# endif
#else
const auto sz = strlen( name );
if( sz <= 15 )
{
pthread_setname_np( thread.native_handle(), name );
}
else
{
char buf[16];
memcpy( buf, name, 15 );
buf[15] = '\0';
pthread_setname_np( thread.native_handle(), sz );
}
#endif
}
}