1 files changed, 86 insertions, 0 deletions
diff --git a/cpukit/itron/src/cre_mbf.c b/cpukit/itron/src/cre_mbf.c
new file mode 100644
index 0000000000..bea9f8f3f9
--- /dev/null
+++ b/cpukit/itron/src/cre_mbf.c
@@ -0,0 +1,86 @@
+/*
+ *  ITRON Message Buffer Manager
+ *
+ *  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 <itron.h>
+
+#include <rtems/itron/msgbuffer.h>
+#include <rtems/itron/task.h>
+
+/*
+ *  cre_mbf - Create MessageBuffer
+ */
+
+ER cre_mbf(
+  ID      mbfid,
+  T_CMBF *pk_cmbf
+)
+{
+  CORE_message_queue_Attributes   the_message_queue_attributes;
+  ITRON_Message_buffer_Control    *the_message_buffer;
+
+  /*
+   *  Bad pointer to the attributes structure
+   */
+
+  if ( !pk_cmbf )
+    return E_PAR;
+
+  /*
+   *  Bits were set that were note defined.
+   */
+
+  if (pk_cmbf->mbfatr & ~(TA_TPRI))
+    return E_RSATR;
+
+  if (pk_cmbf->bufsz < 0 || pk_cmbf->maxmsz < 0)
+    return E_PAR;
+    
+  if (pk_cmbf->bufsz < pk_cmbf->maxmsz)
+    return E_PAR;
+
+  _Thread_Disable_dispatch();             /* prevents deletion */
+
+  the_message_buffer = _ITRON_Message_buffer_Allocate(mbfid);
+  if ( !the_message_buffer ) {
+    _Thread_Enable_dispatch();
+    return _ITRON_Message_buffer_Clarify_allocation_id_error(mbfid);
+  }
+
+  if ( pk_cmbf->mbfatr & TA_TPRI )
+    the_message_queue_attributes.discipline =
+        CORE_MESSAGE_QUEUE_DISCIPLINES_PRIORITY;
+  else
+    the_message_queue_attributes.discipline =
+        CORE_MESSAGE_QUEUE_DISCIPLINES_FIFO;
+
+  _CORE_message_queue_Initialize(
+    &the_message_buffer->message_queue,
+    OBJECTS_ITRON_MESSAGE_BUFFERS,
+    &the_message_queue_attributes,
+    pk_cmbf->bufsz / pk_cmbf->maxmsz,
+    pk_cmbf->maxmsz,
+    NULL                           /* Multiprocessing not supported */
+  );
+
+  _ITRON_Objects_Open( &_ITRON_Message_buffer_Information,
+                       &the_message_buffer->Object );
+    
+  /*
+   *  If multiprocessing were supported, this is where we would announce
+   *  the existence of the semaphore to the rest of the system.
+   */
+
+#if defined(RTEMS_MULTIPROCESSING)
+#endif
+
+  _Thread_Enable_dispatch();
+
+  return E_OK;
+}