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Diffstat (limited to 'include/rtems/posix/barrierimpl.h')
-rw-r--r-- | include/rtems/posix/barrierimpl.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/rtems/posix/barrierimpl.h b/include/rtems/posix/barrierimpl.h new file mode 100644 index 0000000000..22be1c0d6e --- /dev/null +++ b/include/rtems/posix/barrierimpl.h @@ -0,0 +1,115 @@ +/** + * @file + * + * @brief Inlined Routines from the POSIX Barrier Manager + * + * This file contains the static inlin implementation of the inlined + * routines from the POSIX Barrier 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_BARRIERIMPL_H +#define _RTEMS_POSIX_BARRIERIMPL_H + +#include <rtems/posix/barrier.h> +#include <rtems/score/corebarrierimpl.h> +#include <rtems/score/objectimpl.h> + +#include <pthread.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * The following defines the information control block used to manage + * this class of objects. + */ + +POSIX_EXTERN Objects_Information _POSIX_Barrier_Information; + +/** + * @brief POSIX barrier manager initialization. + * + * This routine performs the initialization necessary for this manager. + */ + +void _POSIX_Barrier_Manager_initialization(void); + +/** + * @brief POSIX translate barrier return code. + * + * This routine translates SuperCore Barrier status codes into the + * corresponding POSIX ones. + * + * @param[in] the_barrier_status is the SuperCore status. + * + * @return the corresponding POSIX status + */ +int _POSIX_Barrier_Translate_core_barrier_return_code( + CORE_barrier_Status the_barrier_status +); + +/** + * @brief Allocate a barrier control block. + * + * This function allocates a barrier control block from + * the inactive chain of free barrier control blocks. + */ +RTEMS_INLINE_ROUTINE POSIX_Barrier_Control *_POSIX_Barrier_Allocate( void ) +{ + return (POSIX_Barrier_Control *) + _Objects_Allocate( &_POSIX_Barrier_Information ); +} + +/** + * @brief Free a barrier control block. + * + * This routine frees a barrier control block to the + * inactive chain of free barrier control blocks. + */ +RTEMS_INLINE_ROUTINE void _POSIX_Barrier_Free ( + POSIX_Barrier_Control *the_barrier +) +{ + _CORE_barrier_Destroy( &the_barrier->Barrier ); + _Objects_Free( &_POSIX_Barrier_Information, &the_barrier->Object ); +} + +/** + * @brief Get a barrier control block. + * + * This function maps barrier IDs to barrier control blocks. + * If ID corresponds to a local barrier, then it returns + * the_barrier control pointer which maps to ID and location + * is set to OBJECTS_LOCAL. if the barrier ID is global and + * resides on a remote node, then location is set to OBJECTS_REMOTE, + * and the_barrier is undefined. Otherwise, location is set + * to OBJECTS_ERROR and the_barrier is undefined. + */ +RTEMS_INLINE_ROUTINE POSIX_Barrier_Control *_POSIX_Barrier_Get ( + pthread_barrier_t *barrier, + Objects_Locations *location +) +{ + return (POSIX_Barrier_Control *) _Objects_Get( + &_POSIX_Barrier_Information, + (Objects_Id) *barrier, + location + ); +} + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |