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/**
* @file rtems/posix/rwlock.h
*/
/*
* This include file contains all the constants and structures associated
* with the POSIX RWLock Manager.
*
* Directives provided are:
*
* + create a RWLock
* + delete a RWLock
* + wait for a RWLock
*
* COPYRIGHT (c) 1989-2006.
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_POSIX_RWLOCK_H
#define _RTEMS_POSIX_RWLOCK_H
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/object.h>
#include <rtems/score/corerwlock.h>
/**
* This type defines the control block used to manage each RWLock.
*/
typedef struct {
/** This is used to manage a RWLock as an object. */
Objects_Control Object;
/** This is used to implement the RWLock. */
CORE_RWLock_Control RWLock;
} POSIX_RWLock_Control;
/**
* The following defines the information control block used to manage
* this class of objects.
*/
POSIX_EXTERN Objects_Information _POSIX_RWLock_Information;
/**
* @brief _POSIX_RWLock_Manager_initialization
*
* This routine performs the initialization necessary for this manager.
*
* @param[in] maximum_rwlocks is the total number of RWLocks allowed to
* concurrently be active in the system.
*/
void _POSIX_RWLock_Manager_initialization(
uint32_t maximum_rwlocks
);
/**
* @brief _POSIX_RWLock_Translate_core_RWLock_return_code (
*
* This routine translates SuperCore RWLock status codes into the
* corresponding POSIX ones.
*
*
* @param[in] the_RWLock_status is the SuperCore status.
*
* @return the corresponding POSIX status
*/
int _POSIX_RWLock_Translate_core_RWLock_return_code(
CORE_RWLock_Status the_RWLock_status
);
#ifndef __RTEMS_APPLICATION__
#include <rtems/posix/rwlock.inl>
#endif
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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