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/*****************************************************************************
* $Id: thread.h 2938 2003-11-26 23:01:18Z dun $
*****************************************************************************
* Copyright (C) 2003 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Chris Dunlap <cdunlap@llnl.gov>.
*
* This file is from LSD-Tools, the LLNL Software Development Toolbox.
*
* LSD-Tools 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.
*
* LSD-Tools 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 LSD-Tools; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*****************************************************************************/
#ifndef LSD_THREAD_H
#define LSD_THREAD_H
#if WITH_PTHREADS
# include <errno.h>
# include <pthread.h>
# include <stdlib.h>
#endif /* WITH_PTHREADS */
/*****************************************************************************
* Macros
*****************************************************************************/
#if WITH_PTHREADS
# ifdef WITH_LSD_FATAL_ERROR_FUNC
# undef lsd_fatal_error
extern void lsd_fatal_error (char *file, int line, char *mesg);
# else /* !WITH_LSD_FATAL_ERROR_FUNC */
# ifndef lsd_fatal_error
# define lsd_fatal_error(file, line, mesg) (abort ())
# endif /* !lsd_fatal_error */
# endif /* !WITH_LSD_FATAL_ERROR_FUNC */
# define lsd_mutex_init(pmutex) \
do { \
int e = pthread_mutex_init (pmutex, NULL); \
if (e != 0) { \
errno = e; \
lsd_fatal_error (__FILE__, __LINE__, "mutex_init"); \
abort (); \
} \
} while (0)
# define lsd_mutex_lock(pmutex) \
do { \
int e = pthread_mutex_lock (pmutex); \
if (e != 0) { \
errno = e; \
lsd_fatal_error (__FILE__, __LINE__, "mutex_lock"); \
abort (); \
} \
} while (0)
# define lsd_mutex_unlock(pmutex) \
do { \
int e = pthread_mutex_unlock (pmutex); \
if (e != 0) { \
errno = e; \
lsd_fatal_error (__FILE__, __LINE__, "mutex_unlock"); \
abort (); \
} \
} while (0)
# define lsd_mutex_destroy(pmutex) \
do { \
int e = pthread_mutex_destroy (pmutex); \
if (e != 0) { \
errno = e; \
lsd_fatal_error (__FILE__, __LINE__, "mutex_destroy"); \
abort (); \
} \
} while (0)
# ifndef NDEBUG
int lsd_mutex_is_locked (pthread_mutex_t *pmutex);
# endif /* !NDEBUG */
#else /* !WITH_PTHREADS */
# define lsd_mutex_init(mutex)
# define lsd_mutex_lock(mutex)
# define lsd_mutex_unlock(mutex)
# define lsd_mutex_destroy(mutex)
# define lsd_mutex_is_locked(mutex) (1)
#endif /* !WITH_PTHREADS */
#endif /* !LSD_THREAD_H */
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