From c4d69e21a751d4c907db9e8f4bb9bd38693075b1 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Mon, 17 May 1999 21:02:16 +0000
Subject: Split Task Manager into multiple files.  Eventually this effort will
 reduce the size of executables.

---
 cpukit/rtems/src/taskstart.c | 85 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 cpukit/rtems/src/taskstart.c

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

diff --git a/cpukit/rtems/src/taskstart.c b/cpukit/rtems/src/taskstart.c
new file mode 100644
index 0000000000..45a89eba63
--- /dev/null
+++ b/cpukit/rtems/src/taskstart.c
@@ -0,0 +1,85 @@
+/*
+ *  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_start
+ *
+ *  This directive readies the thread identified by the "id"
+ *  based on its current priorty, to await execution.  A thread
+ *  can be started only from the dormant state.
+ *
+ *  Input parameters:
+ *    id          - thread id
+ *    entry_point - start execution address of thread
+ *    argument    - thread argument
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code        - if unsuccessful
+ */
+
+rtems_status_code rtems_task_start(
+  rtems_id         id,
+  rtems_task_entry entry_point,
+  unsigned32       argument
+)
+{
+  register Thread_Control *the_thread;
+  Objects_Locations        location;
+
+  if ( entry_point == NULL )
+    return RTEMS_INVALID_ADDRESS;
+
+  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 ( _Thread_Start(
+             the_thread, THREAD_START_NUMERIC, entry_point, NULL, argument ) ) {
+        _Thread_Enable_dispatch();
+        return RTEMS_SUCCESSFUL;
+      }
+      _Thread_Enable_dispatch();
+      return RTEMS_INCORRECT_STATE;
+  }
+
+  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
+}
-- 
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