ntirpc/reentrant.h

/*-
 * Copyright (c) 1997,98 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by J.T. Conklin.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

/*
 * This file was derived from a copy in FreeBSD CVS on August 26, 2010.
 * FreeBSD/NetBSD have slightly different definitions for some/most of
 * these functions and types, so they should just use the ones found
 * in their system copy of reentrant.h.
 */

#ifndef REENTRANT_H
#define REENTRANT_H

#if defined(_WIN32)
#include <misc/winpthreads.h>
#else
#include <pthread.h>
#endif

#define mutex_t			pthread_mutex_t
#define cond_t			pthread_cond_t
#define rwlock_t		pthread_rwlock_t
#define spinlock_t              pthread_spinlock_t
#define once_t			pthread_once_t

#define thread_key_t		pthread_key_t
#if defined(__linux__)
#define MUTEX_INITIALIZER	PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
#else
#define MUTEX_INITIALIZER	PTHREAD_MUTEX_INITIALIZER
#endif
#define RWLOCK_INITIALIZER	PTHREAD_RWLOCK_INITIALIZER
#define ONCE_INITIALIZER	PTHREAD_ONCE_INIT

static inline int
mutex_init(pthread_mutex_t *m, const pthread_mutexattr_t *a
			     __attribute__ ((unused)))
{
	pthread_mutexattr_t attr;
	int rslt;

	pthread_mutexattr_init(&attr);
#if defined(__linux__)
	pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP);
#endif
	rslt = pthread_mutex_init(m, &attr);
	pthread_mutexattr_destroy(&attr);

	return (rslt);
}

#define mutex_lock(m)		pthread_mutex_lock(m)
#define mutex_trylock(m)		pthread_mutex_trylock(m)
#define mutex_unlock(m)		pthread_mutex_unlock(m)
#define mutex_destroy(m)	pthread_mutex_destroy(m)

#define cond_init(c, a, p)	pthread_cond_init(c, a)
#define cond_signal(m)		pthread_cond_signal(m)
#define cond_broadcast(m)	pthread_cond_broadcast(m)
#define cond_wait(c, m)		pthread_cond_wait(c, m)
#define cond_timedwait(c, m, a)	pthread_cond_timedwait(c, m, a)
#define cond_destroy(c)		pthread_cond_destroy(c)

#define rwlock_init(l, a)	pthread_rwlock_init(l, a)
#define rwlock_rdlock(l)	pthread_rwlock_rdlock(l)
#define rwlock_wrlock(l)	pthread_rwlock_wrlock(l)
#define rwlock_unlock(l)	pthread_rwlock_unlock(l)
#define rwlockattr_init(a)      pthread_rwlockattr_init(a)
#define rwlock_destroy(l)	pthread_rwlock_destroy(l)

#define spin_init(l, a)         pthread_spin_init(l, a)
#define spin_lock(l)            pthread_spin_lock(l)
#define spin_trylock(l)         pthread_spin_trylock(l)
#define spin_unlock(l)          pthread_spin_unlock(l)
#define spin_destroy(l)         pthread_spin_destroy(l)

#define thr_keycreate(k, d)	pthread_key_create(k, d)
#define thr_setspecific(k, p)	pthread_setspecific(k, p)
#define thr_getspecific(k)	pthread_getspecific(k)
#define thr_sigsetmask(f, n, o)	pthread_sigmask(f, n, o)

#define thr_once(o, i)		pthread_once(o, i)
#define thr_self()		pthread_self()
#define thr_exit(x)		pthread_exit(x)

#endif				/* REENTRANT_H */