summaryrefslogtreecommitdiffstats
path: root/cpukit/rtems/src/taskrestart.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/rtems/src/taskrestart.c')
-rw-r--r--cpukit/rtems/src/taskrestart.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskrestart.c b/cpukit/rtems/src/taskrestart.c
new file mode 100644
index 0000000000..bc85137b23
--- /dev/null
+++ b/cpukit/rtems/src/taskrestart.c
@@ -0,0 +1,83 @@
+/*
+ * RTEMS Task Manager
+ *
+ *
+ * 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/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_restart
+ *
+ * This directive readies the specified thread. It restores
+ * the thread environment to the original values established
+ * at thread creation and start time. A thread can be restarted
+ * from any state except the dormant state.
+ *
+ * Input parameters:
+ * id - thread id
+ * argument - thread argument
+ *
+ * Output parameters:
+ * RTEMS_SUCCESSFUL - if successful
+ * error code - if unsuccessful
+ */
+
+rtems_status_code rtems_task_restart(
+ rtems_id id,
+ uint32_t argument
+)
+{
+ register Thread_Control *the_thread;
+ Objects_Locations location;
+
+ the_thread = _Thread_Get( id, &location );
+ switch ( location ) {
+
+ case OBJECTS_LOCAL:
+ if ( _Thread_Restart( the_thread, NULL, argument ) ) {
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+ }
+ _Thread_Enable_dispatch();
+ return RTEMS_INCORRECT_STATE;
+
+#if defined(RTEMS_MULTIPROCESSING)
+ case OBJECTS_REMOTE:
+ _Thread_Dispatch();
+ return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
+#endif
+
+ case OBJECTS_ERROR:
+ break;
+ }
+
+ return RTEMS_INVALID_ID;
+}