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Diffstat (limited to 'cpukit/rtems/src/timercancel.c')
-rw-r--r-- | cpukit/rtems/src/timercancel.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/cpukit/rtems/src/timercancel.c b/cpukit/rtems/src/timercancel.c new file mode 100644 index 0000000000..abab3f424c --- /dev/null +++ b/cpukit/rtems/src/timercancel.c @@ -0,0 +1,66 @@ +/* + * Timer Manager - rtems_timer_cancel directive + * + * + * 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.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/system.h> +#include <rtems/rtems/status.h> +#include <rtems/rtems/support.h> +#include <rtems/score/object.h> +#include <rtems/score/thread.h> +#include <rtems/rtems/timer.h> +#include <rtems/score/tod.h> +#include <rtems/score/watchdog.h> + +/*PAGE + * + * rtems_timer_cancel + * + * This directive allows a thread to cancel a timer. + * + * Input parameters: + * id - timer id + * + * Output parameters: + * RTEMS_SUCCESSFUL - if successful + * error code - if unsuccessful + */ + +rtems_status_code rtems_timer_cancel( + rtems_id id +) +{ + Timer_Control *the_timer; + Objects_Locations location; + + the_timer = _Timer_Get( id, &location ); + switch ( location ) { + + case OBJECTS_LOCAL: + if ( !_Timer_Is_dormant_class( the_timer->the_class ) ) + (void) _Watchdog_Remove( &the_timer->Ticker ); + _Thread_Enable_dispatch(); + return RTEMS_SUCCESSFUL; + +#if defined(RTEMS_MULTIPROCESSING) + case OBJECTS_REMOTE: /* should never return this */ +#endif + case OBJECTS_ERROR: + break; + } + + return RTEMS_INVALID_ID; +} |