glenux-school/l3.libnazgul
glenux-school/l3.libnazgul
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* renommage

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glenux 2004-02-22 14:26:54 +00:00 committed by Glenn Y. Rolland
parent 584a3a4d24
commit 14909e802d
2 changed files with 41 additions and 0 deletions
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8
src/nzg_bufferInfoTabCreate.c Normal file
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int msgBufferInfoTabCreate(
msgSpaceId externId,
int poolIdx,
int buffNb) {
bufferInfoTabInit(poolIdx);
return -1;
}

33
src/nzg_bufferInfoTabInit.c Normal file
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#include "libnazgul.h"
int msgBufferInit(msgPoolData * poolDataTabAddr,int poolIndex){
msgBufferInfoTabId bufferInfoTabId;
int bufferInfoTabFd;
msgBufferInfo * bufferInfoTabAddr;
int bufferInfoNb;
//récuperer l'ID du BufferInfoTab;
strcpy(bufferInfoTabId, poolDataTabAddr[poolIndex].bufferInfoTabId);
bufferInfoTabFd=shm_open(bufferInfoTabId,O_RDWR,SHM_DEFAULT_MODE);
if (bufferInfoTabFd<0){
perror("shm_open");
return -1;
}
/** on regarde dans le tableau d'infos de buffer **/
bufferInfoNb=poolDataTabAddr[poolIndex].bufferNb;
bufferInfoTabAddr=mmap(NULL,bufferInfoNb*sizeof(msgBufferInfo),
PROT_READ,MAP_SHARED,bufferInfoTabFd,(off_t)0);
int i;
for (i=0;i<bufferInfoNb;i++){
bufferInfoTabAddr[i].ownerPid = (pid_t)-1;
}
if (munmap(bufferInfoTabAddr,bufferInfoNb*sizeof(msgBufferInfo))< 0)
{ perror("munmap"); return -1; }
return 0;
}