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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_THREAD_NAME_HXX
#define MPD_THREAD_NAME_HXX
#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 <stdio.h>
#endif
static inline void
SetThreadName(const char *name)
{
#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
FormatThreadName(const char *fmt, gcc_unused Args&&... args)
{
#ifdef HAVE_THREAD_NAME
char buffer[16];
snprintf(buffer, sizeof(buffer), fmt, args...);
SetThreadName(buffer);
#else
(void)fmt;
#endif
}
#endif
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