glenux-school/l3.libnazgul
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*modification des fiction locke t unlock

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This commit is contained in:
rivka_zan 2004-02-23 20:23:23 +00:00
parent 058832884c
commit dd18ccde5b
1 changed files with 17 additions and 13 deletions
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30
src/spaceListLocking.c
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@ -13,22 +13,25 @@ int msgSpaceListLock(){
spacesListSemFd=sem_open(spacesListSemId,O_CREAT|O_EXCL,0666,1024); spacesListSemFd=sem_open(spacesListSemId,O_CREAT|O_EXCL,0666,1024);
if(spacesListSemFd==SEM_FAILED){ if(spacesListSemFd==SEM_FAILED){
NZG_ERROR("sem_open",spacesListSemId); NZG_ERROR("sem_open",spacesListSemId);
return -1; goto ERROR;
} }
/*Pose d'un semaphore et le verrouille*/ /*Pose d'un semaphore et le verrouille*/
if(sem_wait(spacesListSemFd)==-1){ if(sem_wait(spacesListSemFd)==-1){
NZG_ERROR("sem_wait",spacesListSemId); NZG_ERROR("sem_wait",spacesListSemId);
return -1; goto ERROR;
} }
/* Ferme le semaphore*/ /* Ferme le semaphore*/
if(sem_close(spacesListSemFd)==-1){ /* if(sem_close(spacesListSemFd)==-1){
NZG_ERROR("sem_close",spacesListSemId); NZG_ERROR("sem_close",spacesListSemId);
return -1; return -1;
} }*/
sem_close(spacesListSemFd);
return 0; return 0;
ERROR:
return -1;
} }
@ -36,29 +39,30 @@ int msgSpaceListLock(){
int msgSpaceListUnlock(){ int msgSpaceListUnlock(){
sem_t * spacesListSemFd; sem_t * spacesListSemFd;
msgSpaceListSemId spacesListSemId; msgSpaceListSemId spacesListSemId;
/*Ouverture dun semaphore*/ /*Ouverture dun semaphore*/
spacesListSemFd=sem_open(spacesListSemId,O_CREAT|O_EXCL,0666,1024); spacesListSemFd=sem_open(spacesListSemId,O_CREAT|O_EXCL,0666,1024);
if(spacesListSemFd==SEM_FAILED){ if(spacesListSemFd==SEM_FAILED){
NZG_ERROR("sem_open",spacesListSemId); NZG_ERROR("sem_open",spacesListSemId);
return -1; goto ERROR;
} }
/*Relachement du semaphore*/ /*Relachement du semaphore*/
if(sem_post(spacesListSemFd)==-1){ if(sem_post(spacesListSemFd)==-1){
NZG_ERROR("sem_relache",spacesListSemId); NZG_ERROR("sem_relache",spacesListSemId);
return -1; goto ERROR;
} }
/* Ferme le semaphore*/ /* Ferme le semaphore
if(sem_close(spacesListSemFd)==-1){ if(sem_close(spacesListSemFd)==-1){
NZG_ERROR("sem_close",spacesListSemId); NZG_ERROR("sem_close",spacesListSemId);
return -1; return -1;
} }*/
return 0; return 0;
ERROR:
return -1;
}; };