1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Flush Waiting Threads. |
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5 | * |
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6 | * @ingroup ScoreMessageQueue |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-1999. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.com/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <rtems/system.h> |
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23 | #include <rtems/score/chain.h> |
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24 | #include <rtems/score/isr.h> |
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25 | #include <rtems/score/coremsgimpl.h> |
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26 | #include <rtems/score/thread.h> |
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27 | #include <rtems/score/wkspace.h> |
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28 | |
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29 | #if defined(FUNCTIONALITY_NOT_CURRENTLY_USED_BY_ANY_API) |
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30 | |
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31 | void _CORE_message_queue_Flush_waiting_threads( |
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32 | CORE_message_queue_Control *the_message_queue |
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33 | ) |
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34 | { |
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35 | /* XXX this is not supported for global message queues */ |
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36 | |
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37 | /* |
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38 | * IF there are no pending messages, |
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39 | * THEN threads may be blocked waiting to RECEIVE a message, |
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40 | * |
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41 | * IF the pending message queue is full |
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42 | * THEN threads may be blocked waiting to SEND a message |
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43 | * |
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44 | * But in either case, we will return "unsatisfied nowait" |
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45 | * to indicate that the blocking condition was not satisfied |
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46 | * and that the blocking state was canceled. |
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47 | */ |
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48 | |
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49 | _Thread_queue_Flush( |
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50 | &the_message_queue->Wait_queue, |
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51 | NULL, |
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52 | CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT |
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53 | ); |
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54 | } |
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55 | #endif |
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