1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Close a Message Queue |
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5 | * @ingroup ScoreMessageQueue |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-1999. |
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10 | * On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems/system.h> |
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22 | #include <rtems/score/chain.h> |
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23 | #include <rtems/score/isr.h> |
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24 | #include <rtems/score/coremsgimpl.h> |
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25 | #include <rtems/score/thread.h> |
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26 | #include <rtems/score/wkspace.h> |
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27 | |
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28 | void _CORE_message_queue_Close( |
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29 | CORE_message_queue_Control *the_message_queue, |
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30 | Thread_queue_Flush_callout remote_extract_callout, |
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31 | uint32_t status |
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32 | ) |
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33 | { |
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34 | |
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35 | /* |
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36 | * This will flush blocked threads whether they were blocked on |
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37 | * a send or receive. |
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38 | */ |
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39 | |
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40 | _Thread_queue_Flush( |
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41 | &the_message_queue->Wait_queue, |
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42 | remote_extract_callout, |
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43 | status |
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44 | ); |
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45 | |
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46 | /* |
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47 | * This removes all messages from the pending message queue. Since |
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48 | * we just flushed all waiting threads, we don't have to worry about |
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49 | * the flush satisfying any blocked senders as a side-effect. |
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50 | */ |
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51 | |
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52 | (void) _CORE_message_queue_Flush( the_message_queue ); |
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53 | |
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54 | (void) _Workspace_Free( the_message_queue->message_buffers ); |
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55 | |
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56 | _Thread_queue_Destroy( &the_message_queue->Wait_queue ); |
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57 | } |
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