diff --git a/src/poolDataTabClose.c b/src/poolDataTabClose.c
new file mode 100644
index 0000000..79b1107
--- /dev/null
+++ b/src/poolDataTabClose.c
@@ -0,0 +1,13 @@
+#include "libnazgul.h"
+
+int msgPoolDataTabClose(msgSpace * space,void * addr){
+  /* unmapper le msgPoolDataTab */
+
+  if (munmap(addr,(space->poolNb) * sizeof( msgPoolData )) < 0){
+ 	NZG_ERROR("unmap",space->poolDataTabId);
+	goto ERROR;
+ }
+  return 0;
+ERROR:
+  return -1;
+}
diff --git a/src/poolDataTabLock.c b/src/poolDataTabLock.c
new file mode 100644
index 0000000..907afe7
--- /dev/null
+++ b/src/poolDataTabLock.c
@@ -0,0 +1,28 @@
+#include "libnazgul.h"
+#include "ids.h"
+
+int msgPoolDataTabLock(msgSpace * space){
+  sem_t * poolDataTabSemFd;
+
+ poolDataTabSemFd=sem_open(
+	  space->poolDataTabSemId
+	  ,O_CREAT,
+	  SEM_DEFAULT_MODE,
+	  1);
+  if(poolDataTabSemFd==SEM_FAILED){
+	NZG_ERROR("sem_open",space->poolDataTabSemId);
+	goto ERROR;
+  }
+
+  if(sem_wait(poolDataTabSemFd)==-1){
+	NZG_ERROR("sem_wait",space->poolDataTabSemId);
+	goto ERROR;
+  }
+
+  sem_close(poolDataTabSemFd);
+
+  return 0;
+ERROR:
+  return -1; 
+}
+
diff --git a/src/poolDataTabOpen.c b/src/poolDataTabOpen.c
new file mode 100644
index 0000000..14e6d8c
--- /dev/null
+++ b/src/poolDataTabOpen.c
@@ -0,0 +1,31 @@
+#include "libnazgul.h"
+#include "ids.h"
+
+void * msgPoolDataTabOpen(msgSpace * space){
+  int poolDataTabFd;
+  void * poolDataTabAddr;
+
+  poolDataTabFd=shm_open(space->poolDataTabId,
+	  O_RDWR,
+	  MSGSPACE_DEFAULT_MODE);
+  if (poolDataTabFd == -1 ) {
+	NZG_ERROR("shm_open",space->poolDataTabId);
+	goto ERROR;
+  }
+
+
+  poolDataTabAddr = mmap( NULL, (space->poolNb) * sizeof( msgPoolData ),
+	  PROT_READ | PROT_WRITE,
+	  MAP_SHARED, poolDataTabFd, 0 );
+
+  if( poolDataTabAddr == MAP_FAILED) {
+	NZG_ERROR("mmap",space->poolDataTabId);
+	goto ERROR;
+  }
+
+  close(poolDataTabFd);
+
+  return poolDataTabAddr;
+ERROR:
+  return NULL;
+}
diff --git a/src/poolDataTabUnlock.c b/src/poolDataTabUnlock.c
new file mode 100644
index 0000000..e69de29
diff --git a/src/put.c b/src/put.c
new file mode 100644
index 0000000..1ba76e4
--- /dev/null
+++ b/src/put.c
@@ -0,0 +1,54 @@
+#include "libnazgul.h"
+
+int msgPut(msgSpace * space,int queueIndex, void * addr){
+ // retrouver le pool, buffer qui correspondent à l'addresse...
+  msgPoolData * poolDataTabAddr;
+int poolIndex;
+int bufferIndex;
+int err;
+  msgPoolDataTabLock(space);
+  poolDataTabAddr=msgPoolDataTabOpen(space);
+
+ err=msgBufferGetProcAttach(
+	  poolDataTabAddr,
+	  space->poolNb,
+	  &poolIndex,
+	  &bufferIndex,
+	  addr
+	  );
+
+
+ // ouvrir la queue avec le bon index
+ msgQueueId queueId;
+ msgQueue * queue;
+ msgQueueIdIntern(queueId,space->externId,queueIndex);
+ queue = msgQueueOpen(queueId);
+ 
+ // TODO:creer un element vide
+ msgQueueElemId newElemId;
+ msgQueueElem * queueElem;
+
+ msgQueueElemCreate(newElemId,queueId,queue->elemCounter);
+ // ouvrir l'element
+ queueElem=msgQueueElemOpen(newElemId);
+ // modifier les index pour retrouver le buffer
+ queueElem->poolIndex=poolIndex;
+ queueElem->bufferIndex=bufferIndex;
+ // fermer l'element
+ msgQueueElemClose(queueElem);
+
+ //ajouter le message a la bonne file...
+msgQueueElemAdd(queue,newElemId);
+
+ // fermer la file
+ msgQueueClose(queue);
+
+ msgPoolDataTabClose(space,poolDataTabAddr);
+ /* msgPoolDataTabUnlock(space->id);
+ */
+ return 0;
+ERROR:
+ return -1;
+}
+
+