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-rw-r--r--bsps/shared/shmdr/shmdr-receive.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/bsps/shared/shmdr/shmdr-receive.c b/bsps/shared/shmdr/shmdr-receive.c
new file mode 100644
index 0000000000..5cf7692f01
--- /dev/null
+++ b/bsps/shared/shmdr/shmdr-receive.c
@@ -0,0 +1,41 @@
+/* Shm_Receive_packet
+ *
+ * This routine is the shared memory locked queue MPCI driver routine
+ * used to obtain a packet containing a message from this node's
+ * receive queue.
+ *
+ * Input parameters:
+ * packet - address of a pointer to a packet
+ *
+ * Output parameters:
+ * *(rpb->packet) - pointer to packet
+ * NULL if no packet currently available
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * 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.org/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include "shm_driver.h"
+
+rtems_mpci_entry Shm_Receive_packet(
+ rtems_packet_prefix **packet
+)
+{
+ Shm_Envelope_control *ecb;
+
+ ecb = Shm_Locked_queue_Get( Shm_Local_receive_queue );
+ if ( ecb ) {
+ *(packet) = Shm_Envelope_control_to_packet_prefix_pointer( ecb );
+ if ( ecb->Preamble.endian != Shm_Configuration->format )
+ Shm_Convert_packet( *packet );
+ Shm_Receive_message_count++;
+ } else {
+ *(packet) = NULL;
+ Shm_Null_message_count++;
+ }
+}