forked from Imagelibrary/rtems
23fec9f0e1
Use allocator mutex for objects allocate/free. This prevents that the thread dispatch latency depends on the workspace/heap fragmentation.
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/**
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* @file
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*
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* @ingroup ClassicUserExtensions
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*
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* @brief User Extensions Implementation.
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*/
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/*
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* COPYRIGHT (c) 1989-2007.
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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.org/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/extensionimpl.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/userextimpl.h>
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rtems_status_code rtems_extension_delete(
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rtems_id id
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)
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{
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Extension_Control *the_extension;
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Objects_Locations location;
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_Objects_Allocator_lock();
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the_extension = _Extension_Get( id, &location );
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switch ( location ) {
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case OBJECTS_LOCAL:
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_User_extensions_Remove_set( &the_extension->Extension );
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_Objects_Close( &_Extension_Information, &the_extension->Object );
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_Objects_Put( &the_extension->Object );
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_Extension_Free( the_extension );
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_Objects_Allocator_unlock();
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return RTEMS_SUCCESSFUL;
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#if defined(RTEMS_MULTIPROCESSING)
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case OBJECTS_REMOTE: /* should never return this */
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#endif
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case OBJECTS_ERROR:
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break;
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}
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_Objects_Allocator_unlock();
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return RTEMS_INVALID_ID;
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}
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