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Diffstat (limited to 'cpukit/rtems/include/rtems/rtems/semmp.h')
| -rw-r--r-- | cpukit/rtems/include/rtems/rtems/semmp.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/cpukit/rtems/include/rtems/rtems/semmp.h b/cpukit/rtems/include/rtems/rtems/semmp.h new file mode 100644 index 0000000000..f3a06aeb2f --- /dev/null +++ b/cpukit/rtems/include/rtems/rtems/semmp.h @@ -0,0 +1,175 @@ +/** + * @file rtems/rtems/semmp.h + * + * This include file contains all the constants and structures associated + * with the Multiprocessing Support in the Semaphore Manager. + */ + +/* COPYRIGHT (c) 1989-2008. + * 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_RTEMS_SEMMP_H +#define _RTEMS_RTEMS_SEMMP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems/score/mppkt.h> +#include <rtems/score/object.h> +#include <rtems/rtems/options.h> +#include <rtems/rtems/sem.h> +#include <rtems/score/thread.h> +#include <rtems/score/watchdog.h> + +/** + * @defgroup ClassicSEM Semaphore MP Support + * + * @ingroup ClassicMP + * + * This encapsulates functionality which XXX + */ +/**@{*/ + +/** + * The following enumerated type defines the list of + * remote semaphore operations. + */ +typedef enum { + SEMAPHORE_MP_ANNOUNCE_CREATE = 0, + SEMAPHORE_MP_ANNOUNCE_DELETE = 1, + SEMAPHORE_MP_EXTRACT_PROXY = 2, + SEMAPHORE_MP_OBTAIN_REQUEST = 3, + SEMAPHORE_MP_OBTAIN_RESPONSE = 4, + SEMAPHORE_MP_RELEASE_REQUEST = 5, + SEMAPHORE_MP_RELEASE_RESPONSE = 6 +} Semaphore_MP_Remote_operations; + +/** + * The following data structure defines the packet used to perform + * remote semaphore operations. + */ +typedef struct { + rtems_packet_prefix Prefix; + Semaphore_MP_Remote_operations operation; + rtems_name name; + rtems_option option_set; + Objects_Id proxy_id; +} Semaphore_MP_Packet; + +/** + * @brief Semaphore_MP_Send_process_packet + * + * This routine performs a remote procedure call so that a + * process operation can be performed on another node. + */ +void _Semaphore_MP_Send_process_packet ( + Semaphore_MP_Remote_operations operation, + Objects_Id semaphore_id, + rtems_name name, + Objects_Id proxy_id +); + +/** + * @brief Semaphore_MP_Send_request_packet + * + * This routine performs a remote procedure call so that a + * directive operation can be initiated on another node. + */ +rtems_status_code _Semaphore_MP_Send_request_packet ( + Semaphore_MP_Remote_operations operation, + Objects_Id semaphore_id, + rtems_option option_set, + rtems_interval timeout +); + +/** + * @brief Semaphore_MP_Send_response_packet + * + * This routine performs a remote procedure call so that a + * directive can be performed on another node. + */ +void _Semaphore_MP_Send_response_packet ( + Semaphore_MP_Remote_operations operation, + Objects_Id semaphore_id, + Thread_Control *the_thread +); + +/** + * @brief Semaphore_MP_Process_packet + * + * This routine performs the actions specific to this package for + * the request from another node. + */ +void _Semaphore_MP_Process_packet ( + rtems_packet_prefix *the_packet_prefix +); + +/** + * @brief Semaphore_MP_Send_object_was_deleted + * + * This routine is invoked indirectly by the thread queue + * when a proxy has been removed from the thread queue and + * the remote node must be informed of this. + */ +void _Semaphore_MP_Send_object_was_deleted ( + Thread_Control *the_proxy +); + +/** + * @brief Semaphore_MP_Send_extract_proxy + * + * This routine is invoked when a task is deleted and it + * has a proxy which must be removed from a thread queue and + * the remote node must be informed of this. + */ +void _Semaphore_MP_Send_extract_proxy ( + void *argument +); + +/** + * @brief Semaphore_MP_Get_packet + * + * This function is used to obtain a semaphore mp packet. + */ +Semaphore_MP_Packet *_Semaphore_MP_Get_packet ( void ); + +/** + * @brief _Semaphore_Core_mutex_mp_support + * + * This function processes the global actions necessary for remote + * accesses to a global semaphore based on a core mutex. This function + * is called by the core. + */ +void _Semaphore_Core_mutex_mp_support ( + Thread_Control *the_thread, + Objects_Id id +); + +/** + * @brief Semaphore_Core_mp_support + * + * This function processes the global actions necessary for remote + * accesses to a global semaphore based on a core semaphore. This function + * is called by the core. + */ +void _Semaphore_Core_semaphore_mp_support ( + Thread_Control *the_thread, + Objects_Id id +); + +#ifdef __cplusplus +} +#endif + +/**@}*/ + +#endif +/* end of file */ |