From 3e32be77060b08c09b8240941a594320495b94f3 Mon Sep 17 00:00:00 2001
From: stormrider1982 <stormrider1982>
Date: Tue, 24 Feb 2004 21:48:30 +0000
Subject: [PATCH] =?UTF-8?q?bufferMap=20pas=20encore=20fini...=20:(=C2=B2?=
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---
 src/bufferMap.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/bufferMap.c

diff --git a/src/bufferMap.c b/src/bufferMap.c
new file mode 100644
index 0000000..94aecc0
--- /dev/null
+++ b/src/bufferMap.c
@@ -0,0 +1,39 @@
+#include "libnazgul.h"
+
+
+void * msgBufferMap(msgSpace * space, int poolIndex, int bufferIndex) {
+	void * resultAddr;
+
+	msgBufferInfoTabId bufferInfoTabId;
+  int bufferInfoTabFd; 
+
+  // TODO: récuperer l'ID du BufferInfoTab;
+  strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
+
+
+  bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
+  if (bufferInfoTabFd<0){
+	NZG_ERROR("sem_open",bufferInfoTabId);
+	return -1;
+  }
+
+
+	if(msPoolFd == -1) {
+		NZG_ERROR("shm_open", space->poolDataTabId);
+		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);
+	
+	if(resultAddr == MAP_FAILED) {
+		NZG_ERROR("mmap", poolDataTabId);
+		goto ERROR;
+	}
+
+	close(msPoolFd);
+	
+	return resultAddr;
+ERROR:
+  return NULL;
+}