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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 23:10:36 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 23:10:36 +0000
commitbe47df93812977e29090a39264f41187119fc0d8 (patch)
tree59dd650ded0c3005789c2975bf1881f456e29070 /cpukit/rtems/src/timercancel.c
parentSplit Event Manager into one routine per file. (diff)
downloadrtems-be47df93812977e29090a39264f41187119fc0d8.tar.bz2
Split Timer Manager into one routine per file.
Diffstat (limited to 'cpukit/rtems/src/timercancel.c')
-rw-r--r--cpukit/rtems/src/timercancel.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/cpukit/rtems/src/timercancel.c b/cpukit/rtems/src/timercancel.c
new file mode 100644
index 0000000000..c223ad5332
--- /dev/null
+++ b/cpukit/rtems/src/timercancel.c
@@ -0,0 +1,62 @@
+/*
+ * Timer Manager
+ *
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * 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/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(
+ Objects_Id id
+)
+{
+ Timer_Control *the_timer;
+ Objects_Locations location;
+
+ the_timer = _Timer_Get( id, &location );
+ switch ( location ) {
+ case OBJECTS_REMOTE: /* should never return this */
+ return RTEMS_INTERNAL_ERROR;
+
+ case OBJECTS_ERROR:
+ return RTEMS_INVALID_ID;
+
+ case OBJECTS_LOCAL:
+ if ( !_Timer_Is_dormant_class( the_timer->the_class ) )
+ (void) _Watchdog_Remove( &the_timer->Ticker );
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+ }
+
+ return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
+}