libs/libc/pthread/pthread.h

/****************************************************************************
 * libs/libc/pthread/pthread.h
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __INCLUDE_LIBS_LIBC_PTHREAD_H
#define __INCLUDE_LIBS_LIBC_PTHREAD_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <pthread.h>
#include <sched.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

#ifdef CONFIG_PTHREAD_MUTEX_TYPES
#  define mutex_init(m)               nxrmutex_init(m)
#  define mutex_destroy(m)            nxrmutex_destroy(m)
#  define mutex_is_hold(m)            nxrmutex_is_hold(m)
#  define mutex_is_locked(m)          nxrmutex_is_locked(m)
#  define mutex_is_recursive(m)       nxrmutex_is_recursive(m)
#  define mutex_get_holder(m)         nxrmutex_get_holder(m)
#  define mutex_reset(m)              nxrmutex_reset(m)
#  define mutex_unlock(m)             nxrmutex_unlock(m)
#  define mutex_lock(m)               nxrmutex_lock(m)
#  define mutex_trylock(m)            nxrmutex_trylock(m)
#  define mutex_breaklock(m,v)        nxrmutex_breaklock(m,v)
#  define mutex_restorelock(m,v)      nxrmutex_restorelock(m,v)
#  define mutex_clocklock(m,t)        nxrmutex_clocklock(m,CLOCK_REALTIME,t)
#  define mutex_set_protocol(m,p)     nxrmutex_set_protocol(m,p)
#  define mutex_getprioceiling(m,p)   nxrmutex_getprioceiling(m,p)
#  define mutex_setprioceiling(m,p,o) nxrmutex_setprioceiling(m,p,o)
#else
#  define mutex_init(m)               nxmutex_init(m)
#  define mutex_destroy(m)            nxmutex_destroy(m)
#  define mutex_is_hold(m)            nxmutex_is_hold(m)
#  define mutex_is_recursive(m)       (false)
#  define mutex_is_locked(m)          nxmutex_is_locked(m)
#  define mutex_get_holder(m)         nxmutex_get_holder(m)
#  define mutex_reset(m)              nxmutex_reset(m)
#  define mutex_unlock(m)             nxmutex_unlock(m)
#  define mutex_lock(m)               nxmutex_lock(m)
#  define mutex_trylock(m)            nxmutex_trylock(m)
#  define mutex_breaklock(m,v)        nxmutex_breaklock(m, v)
#  define mutex_restorelock(m,v)      nxmutex_restorelock(m, v)
#  define mutex_clocklock(m,t)        nxmutex_clocklock(m,CLOCK_REALTIME,t)
#  define mutex_set_protocol(m,p)     nxmutex_set_protocol(m,p)
#  define mutex_getprioceiling(m,p)   nxmutex_getprioceiling(m,p)
#  define mutex_setprioceiling(m,p,o) nxmutex_setprioceiling(m,p,o)
#endif

#define COND_WAIT_COUNT(cond) ((FAR atomic_t *)&(cond)->wait_count)

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#ifndef CONFIG_PTHREAD_MUTEX_UNSAFE
int pthread_mutex_take(FAR struct pthread_mutex_s *mutex,
                       FAR const struct timespec *abs_timeout);
int pthread_mutex_trytake(FAR struct pthread_mutex_s *mutex);
int pthread_mutex_give(FAR struct pthread_mutex_s *mutex);
int pthread_mutex_breaklock(FAR struct pthread_mutex_s *mutex,
                            FAR unsigned int *breakval);
int pthread_mutex_restorelock(FAR struct pthread_mutex_s *mutex,
                              unsigned int breakval);
#else
#  define pthread_mutex_take(m,abs_timeout) -mutex_clocklock(&(m)->mutex, \
                                                             abs_timeout)
#  define pthread_mutex_trytake(m)          -mutex_trylock(&(m)->mutex)
#  define pthread_mutex_give(m)             -mutex_unlock(&(m)->mutex)
#  define pthread_mutex_breaklock(m,v)      -mutex_breaklock(&(m)->mutex,v)
#  define pthread_mutex_restorelock(m,v)    -mutex_restorelock(&(m)->mutex,v)
#endif

#endif /* __INCLUDE_LIBS_LIBC_PTHREAD_H */