forked from Imagelibrary/rtems
fe6c170cf5
Move implementation specific parts of states.h and states.inl into new header file statesimpl.h. The states.h contains now only the application visible API.
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/**
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* @file
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*
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* @brief Flush Waiting Threads.
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*
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* @ingroup ScoreMessageQueue
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*/
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/*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/system.h>
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#include <rtems/score/chain.h>
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#include <rtems/score/isr.h>
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#include <rtems/score/object.h>
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#include <rtems/score/coremsgimpl.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/wkspace.h>
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#if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API)
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void _CORE_message_queue_Flush_waiting_threads(
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CORE_message_queue_Control *the_message_queue
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)
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{
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/* XXX this is not supported for global message queues */
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/*
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* IF there are no pending messages,
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* THEN threads may be blocked waiting to RECEIVE a message,
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*
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* IF the pending message queue is full
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* THEN threads may be blocked waiting to SEND a message
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*
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* But in either case, we will return "unsatisfied nowait"
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* to indicate that the blocking condition was not satisfied
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* and that the blocking state was canceled.
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*/
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_Thread_queue_Flush(
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&the_message_queue->Wait_queue,
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NULL,
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CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT
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);
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}
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#endif
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