monitor0.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published by
the Free Software Foundation; either version 2, 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _MONITOR0_H
#define _MONITOR0_H
#ifdef DMALLOC
# include <dmalloc.h>
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/types.h>
#include <mailutils/monitor.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __P
# if __STDC__
# define __P(x) x
# else
# define __P(x)
# endif
#endif
#ifdef HAVE_PTHREAD_H
# define __USE_UNIX98
# include <pthread.h>
#endif
#ifdef WITH_PTHREAD
# if 0
# define RWLOCK_INIT(rwl, attr) pthread_mutex_init (rwl, attr)
# define RWLOCK_DESTROY(rwl) pthread_mutex_destroy (rwl)
# define RWLOCK_RDLOCK(rwl) pthread_mutex_lock (rwl)
# define RWLOCK_TRYRDLOCK(rwl) pthread_mutex_trylock (rwl)
# define RWLOCK_WRLOCK(rwl) pthread_mutex_lock (rwl)
# define RWLOCK_TRYWRLOCK(rwl) pthread_mutex_trylock (rwl)
# define RWLOCK_UNLOCK(rwl) pthread_mutex_unlock (rwl)
# else
# define RWLOCK_INIT(rwl, attr) pthread_rwlock_init (rwl, attr)
# define RWLOCK_DESTROY(rwl) pthread_rwlock_destroy (rwl)
# define RWLOCK_RDLOCK(rwl) pthread_rwlock_rdlock (rwl)
# define RWLOCK_TRYRDLOCK(rwl) pthread_rwlock_tryrdlock (rwl)
# define RWLOCK_WRLOCK(rwl) pthread_rwlock_wrlock (rwl)
# define RWLOCK_TRYWRLOCK(rwl) pthread_rwlock_trywrlock (rwl)
# define RWLOCK_UNLOCK(rwl) pthread_rwlock_unlock (rwl)
# endif
#else
# define RWLOCK_INIT(rwl, attr) 0
# define RWLOCK_DESTROY(rwl) 0
# define RWLOCK_RDLOCK(rwl) 0
# define RWLOCK_TRYRDLOCK(rwl) 0
# define RWLOCK_WRLOCK(rwl) 0
# define RWLOCK_TRYWRLOCK(rwl) 0
# define RWLOCK_UNLOCK(rwl) 0
# define flockfile(arg) 0
# define funlockfile(arg) 0
#endif
struct _monitor
{
#ifdef WITH_PTHREAD
pthread_rwlock_t lock;
#else
int lock;
#endif
void *owner;
};
#ifdef __cplusplus
}
#endif
#endif /* _MONITOR0_H */