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Diffstat (limited to 'cpukit/score/include/rtems/score/mrsp.h')
-rw-r--r-- | cpukit/score/include/rtems/score/mrsp.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/cpukit/score/include/rtems/score/mrsp.h b/cpukit/score/include/rtems/score/mrsp.h deleted file mode 100644 index 85cbff784f..0000000000 --- a/cpukit/score/include/rtems/score/mrsp.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> - * - * 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_SCORE_MRSP_H -#define _RTEMS_SCORE_MRSP_H - -#include <rtems/score/cpuopts.h> - -#if defined(RTEMS_SMP) - -#include <rtems/score/threadq.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/** - * @defgroup ScoreMRSP Multiprocessor Resource Sharing Protocol Handler - * - * @ingroup Score - * - * @brief Multiprocessor Resource Sharing Protocol (MrsP). - * - * The Multiprocessor Resource Sharing Protocol (MrsP) is defined in A. Burns - * and A.J. Wellings, A Schedulability Compatible Multiprocessor Resource - * Sharing Protocol - MrsP, Proceedings of the 25th Euromicro Conference on - * Real-Time Systems (ECRTS 2013), July 2013. It is a generalization of the - * Priority Ceiling Protocol to SMP systems. Each MrsP semaphore uses a - * ceiling priority per scheduler instance. A task obtaining or owning a MrsP - * semaphore will execute with the ceiling priority for its scheduler instance - * as specified by the MrsP semaphore object. Tasks waiting to get ownership - * of a MrsP semaphore will not relinquish the processor voluntarily. In case - * the owner of a MrsP semaphore gets preempted it can ask all tasks waiting - * for this semaphore to help out and temporarily borrow the right to execute - * on one of their assigned processors. - * - * @{ - */ - -/** - * @brief MrsP control block. - */ -typedef struct { - /** - * @brief The thread queue to manage ownership and waiting threads. - */ - Thread_queue_Control Wait_queue; - - /** - * @brief The ceiling priority used by the owner thread. - */ - Priority_Node Ceiling_priority; - - /** - * @brief One ceiling priority per scheduler instance. - */ - Priority_Control *ceiling_priorities; -} MRSP_Control; - -/** @} */ - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* RTEMS_SMP */ - -#endif /* _RTEMS_SCORE_MRSP_H */ |