1 files changed, 113 insertions, 0 deletions
diff --git a/cpukit/rtems/src/msgqreceive.c b/cpukit/rtems/src/msgqreceive.c
new file mode 100644
index 0000000000..f7f0db1605
--- /dev/null
+++ b/cpukit/rtems/src/msgqreceive.c
@@ -0,0 +1,113 @@
+/*
+ *  Message Queue 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/score/sysstate.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/coremsg.h>
+#include <rtems/score/object.h>
+#include <rtems/score/states.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#if defined(RTEMS_MULTIPROCESSING)
+#include <rtems/score/mpci.h>
+#endif
+#include <rtems/rtems/status.h>
+#include <rtems/rtems/attr.h>
+#include <rtems/rtems/message.h>
+#include <rtems/rtems/options.h>
+#include <rtems/rtems/support.h>
+
+/*PAGE
+ *
+ *  rtems_message_queue_receive
+ *
+ *  This directive dequeues a message from the designated message queue
+ *  and copies it into the requesting thread's buffer.
+ *
+ *  Input parameters:
+ *    id         - queue id
+ *    buffer     - pointer to message buffer
+ *    size       - size of message receive
+ *    option_set - options on receive
+ *    timeout    - number of ticks to wait
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code       - if unsuccessful
+ */
+
+rtems_status_code rtems_message_queue_receive(
+  rtems_id        id,
+  void           *buffer,
+  size_t         *size,
+  rtems_option    option_set,
+  rtems_interval  timeout
+)
+{
+  register Message_queue_Control *the_message_queue;
+  Objects_Locations               location;
+  bool                            wait;
+
+  if ( !buffer )
+    return RTEMS_INVALID_ADDRESS;
+
+  if ( !size )
+    return RTEMS_INVALID_ADDRESS;
+
+  the_message_queue = _Message_queue_Get( id, &location );
+  switch ( location ) {
+
+    case OBJECTS_LOCAL:
+      if ( _Options_Is_no_wait( option_set ) )
+        wait = false;
+      else
+        wait = true;
+
+      _CORE_message_queue_Seize(
+        &the_message_queue->message_queue,
+        the_message_queue->Object.id,
+        buffer,
+        size,
+        wait,
+        timeout
+      );
+      _Thread_Enable_dispatch();
+      return _Message_queue_Translate_core_message_queue_return_code(
+        _Thread_Executing->Wait.return_code
+      );
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+      return _Message_queue_MP_Send_request_packet(
+          MESSAGE_QUEUE_MP_RECEIVE_REQUEST,
+          id,
+          buffer,
+          size,
+          option_set,
+          timeout
+        );
+#endif
+
+    case OBJECTS_ERROR:
+      break;
+  }
+
+  return RTEMS_INVALID_ID;
+}