diff options
Diffstat (limited to 'c/src/exec/score/src/coresemsurrender.c')
-rw-r--r-- | c/src/exec/score/src/coresemsurrender.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/c/src/exec/score/src/coresemsurrender.c b/c/src/exec/score/src/coresemsurrender.c deleted file mode 100644 index 1a54a5c712..0000000000 --- a/c/src/exec/score/src/coresemsurrender.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * CORE Semaphore Handler - * - * DESCRIPTION: - * - * This package is the implementation of the CORE Semaphore Handler. - * This core object utilizes standard Dijkstra counting semaphores to provide - * synchronization and mutual exclusion capabilities. - * - * COPYRIGHT (c) 1989-1999. - * 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.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/score/isr.h> -#include <rtems/score/coresem.h> -#include <rtems/score/states.h> -#include <rtems/score/thread.h> -#include <rtems/score/threadq.h> -#if defined(RTEMS_MULTIPROCESSING) -#include <rtems/score/mpci.h> -#endif - -/*PAGE - * - * _CORE_semaphore_Surrender - * - * Input parameters: - * the_semaphore - the semaphore to be flushed - * id - id of parent semaphore - * api_semaphore_mp_support - api dependent MP support actions - * - * Output parameters: - * CORE_SEMAPHORE_STATUS_SUCCESSFUL - if successful - * core error code - if unsuccessful - * - * Output parameters: - */ - -CORE_semaphore_Status _CORE_semaphore_Surrender( - CORE_semaphore_Control *the_semaphore, - Objects_Id id, - CORE_semaphore_API_mp_support_callout api_semaphore_mp_support -) -{ - Thread_Control *the_thread; - ISR_Level level; - CORE_semaphore_Status status; - - status = CORE_SEMAPHORE_STATUS_SUCCESSFUL; - - if ( (the_thread = _Thread_queue_Dequeue(&the_semaphore->Wait_queue)) ) { - - if ( !_Objects_Is_local_id( the_thread->Object.id ) ) - (*api_semaphore_mp_support) ( the_thread, id ); - - } else { - _ISR_Disable( level ); - if ( the_semaphore->count <= the_semaphore->Attributes.maximum_count ) - the_semaphore->count += 1; - else - status = CORE_SEMAPHORE_MAXIMUM_COUNT_EXCEEDED; - _ISR_Enable( level ); - } - - return status; -} - |