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IXSetThreadName.cpp
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87 lines (78 loc) · 2.19 KB
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/*
* IXSetThreadName.cpp
* Author: Benjamin Sergeant
* Copyright (c) 2018 2020 Machine Zone, Inc. All rights reserved.
*/
#include "IXSetThreadName.h"
// unix systems
#if defined(__APPLE__) || defined(__linux__) || defined(BSD)
#include <pthread.h>
#endif
// freebsd needs this header as well
#if defined(BSD)
#include <pthread_np.h>
#endif
#ifdef __APPLE__
#include <AvailabilityMacros.h>
#endif
// Windows
#ifdef _WIN32
#include <windows.h>
#endif
namespace ix
{
#ifdef _WIN32
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)
{
#ifndef __GNUC__
THREADNAME_INFO info;
info.dwType = 0x1000;
info.szName = threadName;
info.dwThreadID = dwThreadID;
info.dwFlags = 0;
__try
{
RaiseException(
MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*) &info);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
}
#endif
}
#endif
void setThreadName(const std::string& name)
{
#if defined(__APPLE__) && (MAC_OS_X_VERSION_MIN_REQUIRED >= 1060)
//
// Apple reserves 16 bytes for its thread names
// Notice that the Apple version of pthread_setname_np
// does not take a pthread_t argument
//
pthread_setname_np(name.substr(0, 63).c_str());
#elif defined(__linux__)
//
// Linux only reserves 16 bytes for its thread names
// See prctl and PR_SET_NAME property in
// http://man7.org/linux/man-pages/man2/prctl.2.html
//
pthread_setname_np(pthread_self(), name.substr(0, 15).c_str());
#elif defined(_WIN32)
SetThreadName(-1, name.c_str());
#elif defined(BSD)
pthread_set_name_np(pthread_self(), name.substr(0, 15).c_str());
#else
// ... assert here ?
#endif
}
} // namespace ix