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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Inlined Routines from the POSIX RWLock Manager
*
* This file contains the static inlin implementation of the inlined
* routines from the POSIX RWLock Manager.
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#ifndef _RTEMS_POSIX_RWLOCKIMPL_H
#define _RTEMS_POSIX_RWLOCKIMPL_H
#include <rtems/score/corerwlockimpl.h>
#include <errno.h>
#include <pthread.h>
#ifdef __cplusplus
extern "C" {
#endif
#define POSIX_RWLOCK_MAGIC 0x9621dabdUL
typedef struct {
unsigned long flags;
CORE_RWLock_Control RWLock;
} POSIX_RWLock_Control;
static inline POSIX_RWLock_Control *_POSIX_RWLock_Get(
pthread_rwlock_t *rwlock
)
{
return (POSIX_RWLock_Control *) rwlock;
}
bool _POSIX_RWLock_Auto_initialization( POSIX_RWLock_Control *the_rwlock );
#define POSIX_RWLOCK_VALIDATE_OBJECT( rw ) \
do { \
if ( ( rw ) == NULL ) { \
return EINVAL; \
} \
if ( ( (uintptr_t) ( rw ) ^ POSIX_RWLOCK_MAGIC ) != ( rw )->flags ) { \
if ( !_POSIX_RWLock_Auto_initialization( rw ) ) { \
return EINVAL; \
} \
} \
} while ( 0 )
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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