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-rw-r--r--cpukit/rtems/src/timercreate.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/cpukit/rtems/src/timercreate.c b/cpukit/rtems/src/timercreate.c
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+++ b/cpukit/rtems/src/timercreate.c
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+/*
+ * Timer Manager - rtems_timer_create directive
+ *
+ *
+ * COPYRIGHT (c) 1989-2002.
+ * 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_create
+ *
+ * This directive creates a timer and performs some initialization.
+ *
+ * Input parameters:
+ * name - timer name
+ * id - pointer to timer id
+ *
+ * Output parameters:
+ * id - timer id
+ * RTEMS_SUCCESSFUL - if successful
+ * error code - if unsuccessful
+ */
+
+rtems_status_code rtems_timer_create(
+ rtems_name name,
+ rtems_id *id
+)
+{
+ Timer_Control *the_timer;
+
+ if ( !rtems_is_name_valid( name ) )
+ return RTEMS_INVALID_NAME;
+
+ if ( !id )
+ return RTEMS_INVALID_ADDRESS;
+
+ _Thread_Disable_dispatch(); /* to prevent deletion */
+
+ the_timer = _Timer_Allocate();
+
+ if ( !the_timer ) {
+ _Thread_Enable_dispatch();
+ return RTEMS_TOO_MANY;
+ }
+
+ the_timer->the_class = TIMER_DORMANT;
+ _Watchdog_Initialize( &the_timer->Ticker, NULL, 0, NULL );
+
+ _Objects_Open(
+ &_Timer_Information,
+ &the_timer->Object,
+ (Objects_Name) name
+ );
+
+ *id = the_timer->Object.id;
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+}