diff --git a/src/iface.h b/src/iface.h
index 3f5dc3a..7a2c43f 100644
--- a/src/iface.h
+++ b/src/iface.h
@@ -75,6 +75,7 @@ typedef struct MsgQueueElem {
 } msgQueueElem;
 
 typedef struct MsgQueue {
+  msgQueueId id;
   int elemCounter;
   msgQueueElemId head; 
   msgQueueElemId tail;
diff --git a/src/queueClose.c b/src/queueClose.c
new file mode 100644
index 0000000..e69de29
diff --git a/src/queueOpen.c b/src/queueOpen.c
new file mode 100644
index 0000000..2493a85
--- /dev/null
+++ b/src/queueOpen.c
@@ -0,0 +1,29 @@
+#include "libnazgul.h"
+#include "ids.h"
+
+void * queueOpen(msgQueueId queueId){
+  int queueFd;
+  void * queueAddr;
+
+  queueFd=shm_open(queueId,O_RDWR,SHM_DEFAULT_MODE);
+  if (queueFd == -1 ) {
+	NZG_ERROR("shm_open : msgQueue open",queueId);
+	goto ERROR;
+  }
+
+  queueAddr=mmap(NULL,
+	  sizeof(msgQueue),
+	  PROT_READ|PROT_WRITE,
+	  MAP_SHARED,
+	  queueFd,
+	  0);
+  if( queueAddr == MAP_FAILED ) {
+	NZG_ERROR("mmap",queueId);
+	goto ERROR;
+  }
+
+  close(queueFd);
+  return queueAddr; 
+ERROR: 
+  return NULL;
+}