2006-09-25 Joel Sherrill <joel.sherrill@oarcorp.com>

	* rtems/Makefile.am, rtems/preinstall.am, rtems/include/rtems.h,
	rtems/include/rtems/rtems/attr.h, rtems/include/rtems/rtems/config.h,
	rtems/inline/rtems/rtems/attr.inl, rtems/macros/rtems/rtems/attr.inl:
	Add Classic API Barriers.
	* rtems/include/rtems/rtems/barrier.h,
	rtems/include/rtems/rtems/barriermp.h,
	rtems/inline/rtems/rtems/barrier.inl,
	rtems/macros/rtems/rtems/barrier.inl, rtems/src/barrier.c,
	rtems/src/barriercreate.c, rtems/src/barrierdelete.c,
	rtems/src/barrierident.c, rtems/src/barrierrelease.c,
	rtems/src/barriertranslatereturncode.c, rtems/src/barrierwait.c:
	New files.

1 files changed, 71 insertions, 0 deletions

diff --git a/cpukit/rtems/src/barrierdelete.c b/cpukit/rtems/src/barrierdelete.c
new file mode 100644
index 0000000000..6b2a59b0cf
--- /dev/null
+++ b/cpukit/rtems/src/barrierdelete.c
@@ -0,0 +1,71 @@
+/*
+ *  Barrier Manager -- Delete a Barrier
+ *
+ *  COPYRIGHT (c) 1989-2006.
+ *  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/barrier.h>
+#include <rtems/score/states.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+
+/*
+ *  rtems_barrier_delete
+ *
+ *  This directive allows a thread to delete a barrier specified by
+ *  the barrier id.  The barrier is freed back to the inactive
+ *  barrier chain.
+ *
+ *  Input parameters:
+ *    id - barrier id
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code       - if unsuccessful
+ */
+
+rtems_status_code rtems_barrier_delete(
+  rtems_id   id
+)
+{
+  Barrier_Control   *the_barrier;
+  Objects_Locations  location;
+
+  the_barrier = _Barrier_Get( id, &location );
+  switch ( location ) {
+
+    case OBJECTS_REMOTE:
+    case OBJECTS_ERROR:
+      return RTEMS_INVALID_ID;
+
+    case OBJECTS_LOCAL:
+      _CORE_barrier_Flush(
+        &the_barrier->Barrier,
+        NULL,
+        CORE_BARRIER_WAS_DELETED
+      );
+
+      _Objects_Close( &_Barrier_Information, &the_barrier->Object );
+
+      _Barrier_Free( the_barrier );
+
+      _Thread_Enable_dispatch();
+      return RTEMS_SUCCESSFUL;
+  }
+
+  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */
+}