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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 21:02:16 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 21:02:16 +0000
commitc4d69e21a751d4c907db9e8f4bb9bd38693075b1 (patch)
treeb12402bce88e14077b0b6926293f7121b0c27822 /cpukit/rtems/src/taskwakeafter.c
parentThread Handler split into multiple files. Eventually, as RTEMS is (diff)
downloadrtems-c4d69e21a751d4c907db9e8f4bb9bd38693075b1.tar.bz2
Split Task Manager into multiple files. Eventually this effort will
reduce the size of executables.
Diffstat (limited to 'cpukit/rtems/src/taskwakeafter.c')
-rw-r--r--cpukit/rtems/src/taskwakeafter.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskwakeafter.c b/cpukit/rtems/src/taskwakeafter.c
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+++ b/cpukit/rtems/src/taskwakeafter.c
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+/*
+ * RTEMS Task 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/rtems/modes.h>
+#include <rtems/score/object.h>
+#include <rtems/score/stack.h>
+#include <rtems/score/states.h>
+#include <rtems/rtems/tasks.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/tod.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/score/apiext.h>
+#include <rtems/score/sysstate.h>
+
+/*PAGE
+ *
+ * rtems_task_wake_after
+ *
+ * This directive suspends the requesting thread for the given amount
+ * of ticks.
+ *
+ * Input parameters:
+ * ticks - number of ticks to wait
+ *
+ * Output parameters:
+ * RTEMS_SUCCESSFUL - always successful
+ */
+
+rtems_status_code rtems_task_wake_after(
+ rtems_interval ticks
+)
+{
+ _Thread_Disable_dispatch();
+ if ( ticks == 0 ) {
+ _Thread_Yield_processor();
+ } else {
+ _Thread_Set_state( _Thread_Executing, STATES_DELAYING );
+ _Watchdog_Initialize(
+ &_Thread_Executing->Timer,
+ _Thread_Delay_ended,
+ _Thread_Executing->Object.id,
+ NULL
+ );
+ _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks );
+ }
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+}