Files
rtems/cpukit/sapi/src/extensiondelete.c
Sebastian Huber 362722795a sapi: Avoid Giant lock for extensions
Extension create and delete is protected by the object allocator lock.

Update #2555.
2016-04-18 08:20:12 +02:00

48 lines
998 B
C

/**
* @file
*
* @ingroup ClassicUserExtensions
*
* @brief User Extensions Implementation.
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/extensionimpl.h>
#include <rtems/score/userextimpl.h>
rtems_status_code rtems_extension_delete(
rtems_id id
)
{
rtems_status_code status;
Extension_Control *the_extension;
_Objects_Allocator_lock();
the_extension = _Extension_Get( id );
if ( the_extension != NULL ) {
_Objects_Close( &_Extension_Information, &the_extension->Object );
_User_extensions_Remove_set( &the_extension->Extension );
_Extension_Free( the_extension );
status = RTEMS_SUCCESSFUL;
} else {
status = RTEMS_INVALID_ID;
}
_Objects_Allocator_unlock();
return status;
}