mpd/src/thread/Name.hxx
2023-03-06 19:50:53 +01:00

55 lines
1.1 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#ifndef MPD_THREAD_NAME_HXX
#define MPD_THREAD_NAME_HXX
#include "config.h"
#if defined(HAVE_PTHREAD_SETNAME_NP) && !defined(__NetBSD__)
# define HAVE_THREAD_NAME
# include <pthread.h>
#elif defined(HAVE_PRCTL)
# include <sys/prctl.h>
# ifdef PR_SET_NAME
# define HAVE_THREAD_NAME
# endif
#endif
#ifdef HAVE_THREAD_NAME
#include "lib/fmt/ToBuffer.hxx"
#endif
static inline void
SetThreadName(const char *name) noexcept
{
#if defined(HAVE_PTHREAD_SETNAME_NP) && !defined(__NetBSD__)
/* not using pthread_setname_np() on NetBSD because it
requires a non-const pointer argument, which we don't have
here */
#ifdef __APPLE__
pthread_setname_np(name);
#else
pthread_setname_np(pthread_self(), name);
#endif
#elif defined(HAVE_PRCTL) && defined(PR_SET_NAME)
prctl(PR_SET_NAME, (unsigned long)name, 0, 0, 0);
#else
(void)name;
#endif
}
template<typename... Args>
static inline void
FmtThreadName(const char *fmt, [[maybe_unused]] Args&&... args) noexcept
{
#ifdef HAVE_THREAD_NAME
SetThreadName(FmtBuffer<16>(fmt, args...));
#else
(void)fmt;
#endif
}
#endif