l3.libnazgul/src/queueDelete.c
2020-03-03 23:46:32 +01:00

36 lines
791 B
C

#include "libnazgul.h"
int msgQueueDelete(msgQueueId externId,int queueIdx){
msgQueue * queue;
msgQueueId queueId;
msgQueueIdIntern(queueId,externId,queueIdx);
queue = msgQueueOpen(queueId);
if (strcmp(queue->headId,queue->id)!=0){
// liste non-vide
if (msgQueueElemDelete(queue->headId) <0){
NZG_ERROR("msgQueueElemDelete",queue->headId);
goto ERROR;
}
}
msgQueueSemId queueProtLockSemId;
msgQueueSemId queueReadLockSemId;
msgQueueProtSemIdIntern(queueProtLockSemId,externId,queueIdx);
msgQueueReadSemIdIntern(queueReadLockSemId,externId,queueIdx);
sem_unlink(queueProtLockSemId);
sem_unlink(queueReadLockSemId);
if (shm_unlink(queueId) < 0){
NZG_ERROR("shm_unlink msgQueueElem",queueId);
goto ERROR;
}
return 0;
ERROR:
return -1;
}