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/**
* @file
*
* @brief Private Support Information for POSIX Semaphores
*
* This include file contains all the private support information for
* POSIX Semaphores.
*/
/*
* 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_SEMAPHORE_H
#define _RTEMS_POSIX_SEMAPHORE_H
#include <rtems/score/objectdata.h>
#include <limits.h>
#include <semaphore.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup POSIXSemaphorePrivate POSIX Semaphore Private Support
*
* @ingroup POSIXAPI
*
* This defines the internal implementation support for POSIX semaphores.
*/
/**@{*/
/*
* Data Structure used to manage a POSIX semaphore
*/
typedef struct {
Objects_Control Object;
sem_t Semaphore;
bool linked;
uint32_t open_count;
} POSIX_Semaphore_Control;
/**
* @brief The POSIX Semaphore objects information.
*/
extern Objects_Information _POSIX_Semaphore_Information;
/**
* @brief Macro to define the objects information for the POSIX Semaphore
* objects.
*
* This macro should only be used by <rtems/confdefs.h>.
*
* @param max The configured object maximum (the OBJECTS_UNLIMITED_OBJECTS flag
* may be set).
*/
#define POSIX_SEMAPHORE_INFORMATION_DEFINE( max ) \
OBJECTS_INFORMATION_DEFINE( \
_POSIX_Semaphore, \
OBJECTS_POSIX_API, \
OBJECTS_POSIX_SEMAPHORES, \
POSIX_Semaphore_Control, \
max, \
_POSIX_PATH_MAX, \
NULL \
)
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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