glenux-school/l3.libnazgul
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glenux 2004-02-25 08:50:44 +00:00 committed by Glenn Y. Rolland
parent ea9781fbd7
commit 60450c4b17
1 changed files with 12 additions and 34 deletions
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46
src/get.c
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@ -7,9 +7,7 @@ void * msgGet(msgSpace * space,int queueIndex,int option){
msgQueueId queueId;
msgQueue * queue;
msgQueueElemId oldElemId;
msgQueueElem * oldElem;
int poolIndex;
msgQueueElem * oldElem;
// on teste la possibilité de lecture sur la liste...
if (option == NONBLOCK){
if (msgQueueReadTryLock(space->externId,queueIndex) <0){
@ -32,38 +30,18 @@ void * msgGet(msgSpace * space,int queueIndex,int option){
// recupérer l'id de l'ancien element...
msgQueueRem(queue, oldElemId);
oldElem = msgQueueElemOpen(oldElemId);
poolIndex=oldElem->poolIndex;
/* on récupere la taille des buffer dans la pool du buffer */
int bufferSize;
msgPoolData * poolDataTab;
poolDataTab=msgPoolDataTabOpen(space);
bufferSize=poolDataTab[oldElem->poolIndex].bufferSize;
msgPoolDataTabClose(space,poolDataTab);
// mapper le buffer dans l'espace mémoire du processus
/* resultAddr = mmap( NULL,
bufferSize,
PROT_NONE, //prot PROT_READ | PROT_WRITE
MAP_SHARED, mSPoolFd,
(off_t)0);
bufferNb=mSPoolDataTabAddr[selectedPoolIndex].bufferNb;
*/
/* TODO: ecrire msgBufferMap(space,poolIndex,bufferIndex) */
resultAddr = msgBufferMap(poolDataTab, poolIndex, 0);
if(resultAddr == NULL) {
NZG_ERROR("BufferMap", poolDataTab->poolId);
goto ERROR;
}
oldElem = msgQueueElemOpen(oldElemId);
/* on récupere la taille des buffer dans la pool du buffer */
int bufferSize;
msgPoolData * poolDataTab;
poolDataTab=msgPoolDataTabOpen(space);
// mapper le buffer dans l'espace mémoire du processus
resultAddr=msgBufferMap(poolDataTab,oldElem->poolIndex,oldElem->bufferIndex);
msgPoolDataTabClose(space,poolDataTab);
// attacher au buffer...
// attacher au buffer...
msgBufferAttachProc(poolDataTab,
poolIndex,
0, // c le buff en tete de file....
resultAddr);
// fermer la file
msgQueueClose(queue);