1 files changed, 86 insertions, 0 deletions
diff --git a/cpukit/rtems/src/tasksuspend.c b/cpukit/rtems/src/tasksuspend.c
new file mode 100644
index 0000000000..3f7e8b7d03
--- /dev/null
+++ b/cpukit/rtems/src/tasksuspend.c
@@ -0,0 +1,86 @@
+/*
+ *  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_suspend
+ *
+ *  This directive will place the specified thread in the "suspended"
+ *  state.  Note that the suspended state can be in addition to
+ *  other waiting states.
+ *
+ *  Input parameters:
+ *    id - thread id
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code        - if unsuccessful
+ */
+
+rtems_status_code rtems_task_suspend(
+  rtems_id id
+)
+{
+  register Thread_Control *the_thread;
+  Objects_Locations        location;
+
+  the_thread = _Thread_Get( id, &location );
+  switch ( location ) {
+
+    case OBJECTS_LOCAL:
+      if ( !_States_Is_suspended( the_thread->current_state ) ) {
+        _Thread_Suspend( the_thread );
+        _Thread_Enable_dispatch();
+        return RTEMS_SUCCESSFUL;
+      }
+      _Thread_Enable_dispatch();
+      return RTEMS_ALREADY_SUSPENDED;
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+      return _RTEMS_tasks_MP_Send_request_packet(
+        RTEMS_TASKS_MP_SUSPEND_REQUEST,
+        id,
+        0,          /* Not used */
+        0,          /* Not used */
+        0           /* Not used */
+      );
+#endif
+
+    case OBJECTS_ERROR:
+      break;
+  }
+
+  return RTEMS_INVALID_ID;
+}