/*
* Copyright (C) 1998-2002, 2004, 2005, 2007, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* $Id: mutex.h,v 1.30 2007/06/19 23:47:18 tbox Exp $ */
#ifndef ISC_MUTEX_H
/*! \file */
#include <pthread.h>
#include <stdio.h>
/*!
* Supply mutex attributes that enable deadlock detection
* (helpful when debugging). This is system dependent and
* currently only supported on NetBSD.
*/
extern pthread_mutexattr_t isc__mutex_attrs;
#else
#define ISC__MUTEX_ATTRS NULL
#endif
/* XXX We could do fancier error handling... */
/*!
* Define ISC_MUTEX_PROFILE to turn on profiling of mutexes by line. When
* enabled, isc_mutex_stats() can be used to print a table showing the
* number of times each type of mutex was locked and the amount of time
* waiting to obtain the lock.
*/
#ifndef ISC_MUTEX_PROFILE
#define ISC_MUTEX_PROFILE 0
#endif
typedef struct {
} isc_mutex_t;
#else
#endif
#else
#if ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK)
#else
#endif
#endif
#else
((pthread_mutex_lock((mp)) == 0) ? \
#endif
#else
((pthread_mutex_unlock((mp)) == 0) ? \
#endif
#else
((pthread_mutex_trylock((mp)) == 0) ? \
#endif
#else
((pthread_mutex_destroy((mp)) == 0) ? \
#endif
#else
#endif
void
#endif /* ISC_MUTEX_PROFILE */
#endif /* ISC_MUTEX_H */