1 files changed, 73 insertions, 0 deletions
diff --git a/cpukit/posix/src/pbarrierdestroy.c b/cpukit/posix/src/pbarrierdestroy.c
new file mode 100644
index 0000000000..0caf8a1586
--- /dev/null
+++ b/cpukit/posix/src/pbarrierdestroy.c
@@ -0,0 +1,73 @@
+/*
+ *  POSIX Barrier Manager -- Destroy a Barrier
+ *
+ *  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 <pthread.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/posix/barrier.h>
+
+/*
+ *  pthread_barrier_destroy
+ *
+ *  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:
+ *    barrier - barrier id
+ *
+ *  Output parameters:
+ *    0           - if successful
+ *    error code  - if unsuccessful
+ */
+
+int pthread_barrier_destroy(
+  pthread_barrier_t *barrier
+)
+{
+  POSIX_Barrier_Control *the_barrier = NULL;
+  Objects_Locations      location;
+
+  if ( !barrier )
+    return EINVAL;
+
+  the_barrier = _POSIX_Barrier_Get( barrier, &location );
+  switch ( location ) {
+
+    case OBJECTS_LOCAL:
+      if ( the_barrier->Barrier.number_of_waiting_threads != 0 ) {
+        _Thread_Enable_dispatch();
+        return EBUSY;
+      }
+
+      _Objects_Close( &_POSIX_Barrier_Information, &the_barrier->Object );
+
+      _POSIX_Barrier_Free( the_barrier );
+
+      _Thread_Enable_dispatch();
+      return 0;
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+#endif
+    case OBJECTS_ERROR:
+      break;
+  }
+
+  return EINVAL;
+}