From 4a4efb5fdecd8a1d64fa3253048752a165395aa1 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 7 Oct 1999 16:26:31 +0000
Subject: New directive added -- rtems_task_is_suspended.

---
 cpukit/rtems/src/taskissuspended.c | 76 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 cpukit/rtems/src/taskissuspended.c

(limited to 'cpukit')

diff --git a/cpukit/rtems/src/taskissuspended.c b/cpukit/rtems/src/taskissuspended.c
new file mode 100644
index 0000000000..31feb79fb7
--- /dev/null
+++ b/cpukit/rtems/src/taskissuspended.c
@@ -0,0 +1,76 @@
+/*
+ *  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_is_suspended
+ *
+ *  This directive returns a status indicating whether or not
+ *  the specified task is suspended.
+ *
+ *  Input parameters:
+ *    id - thread id
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL        - if successful and not suspended
+ *    RTEMS_ALREADY_SUSPENDED - if successful and suspended
+ *    error code              - if unsuccessful
+ */
+
+rtems_status_code rtems_task_is_suspended(
+  Objects_Id id
+)
+{
+  register Thread_Control *the_thread;
+  Objects_Locations        location;
+
+  the_thread = _Thread_Get( id, &location );
+  switch ( location ) {
+
+    case OBJECTS_REMOTE:
+
+#if defined(RTEMS_MULTIPROCESSING)
+      _Thread_Dispatch();
+      return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
+#endif
+
+    case OBJECTS_ERROR:
+      return RTEMS_INVALID_ID;
+
+    case OBJECTS_LOCAL:
+      if ( !_States_Is_suspended( the_thread->current_state ) ) {
+        _Thread_Enable_dispatch();
+        return RTEMS_SUCCESSFUL;
+      }
+      _Thread_Enable_dispatch();
+      return RTEMS_ALREADY_SUSPENDED;
+  }
+}
-- 
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