From be47df93812977e29090a39264f41187119fc0d8 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 17 May 1999 23:10:36 +0000
Subject: Split Timer Manager into one routine per file.

---
 cpukit/rtems/src/timerfirewhen.c | 83 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 cpukit/rtems/src/timerfirewhen.c

(limited to 'cpukit/rtems/src/timerfirewhen.c')

diff --git a/cpukit/rtems/src/timerfirewhen.c b/cpukit/rtems/src/timerfirewhen.c
new file mode 100644
index 0000000000..a74d27e80b
--- /dev/null
+++ b/cpukit/rtems/src/timerfirewhen.c
@@ -0,0 +1,83 @@
+/*
+ *  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_fire_when
+ *
+ *  This directive allows a thread to start a timer.
+ *
+ *  Input parameters:
+ *    id        - timer id
+ *    wall_time - time of day to fire timer
+ *    routine   - routine to schedule
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code        - if unsuccessful
+ */
+
+rtems_status_code rtems_timer_fire_when(
+  Objects_Id                          id,
+  rtems_time_of_day                  *wall_time,
+  rtems_timer_service_routine_entry   routine,
+  void                               *user_data
+)
+{
+  Timer_Control       *the_timer;
+  Objects_Locations    location;
+  rtems_interval       seconds;
+
+  if ( !_TOD_Is_set )
+    return RTEMS_NOT_DEFINED;
+
+  if ( !_TOD_Validate( wall_time ) )
+    return RTEMS_INVALID_CLOCK;
+
+  seconds = _TOD_To_seconds( wall_time );
+  if ( seconds <= _TOD_Seconds_since_epoch )
+    return RTEMS_INVALID_CLOCK;
+
+  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:
+      (void) _Watchdog_Remove( &the_timer->Ticker );
+      the_timer->the_class = TIMER_TIME_OF_DAY;
+      _Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data );
+      _Watchdog_Insert_seconds(
+         &the_timer->Ticker,
+         seconds - _TOD_Seconds_since_epoch
+       );
+      _Thread_Enable_dispatch();
+      return RTEMS_SUCCESSFUL;
+  }
+
+  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
+}
-- 
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