From 99069ac3896d91b71f95c85f59ce40c39f4cb1f8 Mon Sep 17 00:00:00 2001
From: glenux <glenux>
Date: Wed, 25 Feb 2004 07:38:25 +0000
Subject: [PATCH] *** empty log message ***

---
 src/allocate.c  |  2 +-
 src/bufferMap.c | 56 +++++++++++++++++++++++++++----------------------
 2 files changed, 32 insertions(+), 26 deletions(-)

diff --git a/src/allocate.c b/src/allocate.c
index b37ac8a..cce3b92 100644
--- a/src/allocate.c
+++ b/src/allocate.c
@@ -189,7 +189,7 @@ void * msgAllocate(msgSpace *space,
   
  // on mappe la totalité du pool
  resultAddr = mmap( NULL, 
-	  bufferFreeSize, 
+	  bufferFreeSize*bufferNb, /* bufferFreeSize*/
 	  PROT_NONE, //prot PROT_READ | PROT_WRITE
 	  MAP_SHARED, mSPoolFd,
 	  (off_t)0); 
diff --git a/src/bufferMap.c b/src/bufferMap.c
index 419a649..d17c423 100644
--- a/src/bufferMap.c
+++ b/src/bufferMap.c
@@ -1,41 +1,47 @@
 #include "libnazgul.h"
 
 
-void * msgBufferMap(msgSpace * space, int poolIndex, int bufferIndex) {
+void * msgBufferMap(msgPoolData * poolDataTab, int poolIndex, int bufferIndex) {
 	void * resultAddr;
-	int msPoolFd, buffersize;
-
-	msgBufferInfoTabId bufferInfoTabId;
-  int bufferInfoTabFd; 
+	int bufferSize, bufferNb;
+	int poolBufferTabFd; 
+	msgPoolId poolBufferTabId;
 
   // TODO: récuperer l'ID du BufferInfoTab;
-  //strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
+  strcpy(poolBufferTabId, poolDataTab[poolIndex].poolId);
+  bufferSize=poolDataTab[poolIndex].bufferSize;
+  bufferNb=poolDataTab[poolIndex].bufferNb;
 
-
-  bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
-  if (bufferInfoTabFd<0){
-	NZG_ERROR("sem_open",bufferInfoTabId);
+  poolBufferTabFd=shm_open(poolBufferTabId,O_RDWR,SHM_DEFAULT_MODE);
+  if (poolBufferTabFd<0){
+	NZG_ERROR("shm_open",poolBufferTabId);
 	goto ERROR;
   }
-
-
-	if(bufferInfoTabFd == -1) {
-		NZG_ERROR("shm_open", bufferInfoTabId);
-		goto ERROR;
-	}
 	
-	// mapper le buffer dans l'espace mémoire du processus
-	resultAddr=mmap(NULL, buffersize, PROT_WRITE|PROT_READ, MAP_SHARED, msPoolFd, (off_t)0);
-	
-	// TODO: poolDataTabId
+  // mapper le buffer dans l'espace mémoire du processus
+  /* on s'arrete juste derriere l'index qui nous intéresse */
+  resultAddr=mmap(NULL, 
+		bufferSize*(bufferIndex+1),  
+		PROT_NONE, 
+		MAP_SHARED, 
+		poolBufferTabFd, 
+		(off_t)0);
 	if(resultAddr == MAP_FAILED) {
-		//NZG_ERROR("mmap", poolDataTabId);
-		goto ERROR;
+	  NZG_ERROR("mmap", poolBufferTabId);
+	  goto ERROR;
 	}
 
-	close(msPoolFd);
-	
+	resultAddr=resultAddr +( bufferSize*bufferIndex);
+
+	mprotect(
+		resultAddr,
+		bufferSize,
+		PROT_READ|PROT_WRITE
+		);
+
+	close(poolBufferTabFd);
+
 	return resultAddr;
 ERROR:
-  return NULL;
+	return NULL;
 }