diff --git a/src/nzg_pool.c b/src/nzg_pool.c
new file mode 100644
index 0000000..e3eb0be
--- /dev/null
+++ b/src/nzg_pool.c
@@ -0,0 +1,46 @@
+# include "libnazgul.h"
+
+msgPool * msgPoolCreate(
+		msgSpacePoolId poolId,
+		int buffNb,
+		int buffSize,
+		int * firstBuffIdx,
+		bool overload 
+		//pid[]
+		//liste process demandeurs
+		) {
+	
+	int pool;
+	msgSpacePoolId id;
+	msgPool * poolAdr;
+	
+	id = msgSpacePoolId2nzgPoolId(poolId);
+	pool=shm_open(id,O_RDWR|O_CREAT|O_EXCL|O_TRUNC,MSGSPACE_DEFAULT_MODE);
+	if (pool == -1 ) {
+	fprintf( stderr, "msgPool creation failed: %s\n",
+		strerror( errno ) );
+	return NULL;
+  }
+
+	// on met le pool a la taille voulue pour qu'il
+	// puisse contenir les buffs
+	if (ftruncate(pool, sizeof((buffSize)*buffNb)) == -1){
+	fprintf( stderr, "msgPool resizing failed: %s\n",
+		strerror( errno ) );
+	return NULL;
+  }
+
+	// donne l'adr en mappant in the memory
+	poolAdr = mmap(NULL, sizeof(*msgPool), PROT_NONE, MAP_SHARED, pool, 0);
+
+	return poolAdr;
+}
+
+msgSpacePoolId msgSpacePoolId2nzgPoolId(msgSpacePoolId poolId, int num){
+  char * resId;
+  int slen;
+  slen=strlen(poolId);
+  resId = (char *)malloc(sizeof(char)*(slen+11));
+  sprintf(resId,"/tmp/.nzg-%s-",(char *)poolId);
+  return ((msgSpacePoolId)resId);
+}