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/**
* @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).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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;
RTEMS_INLINE_ROUTINE 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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