l3.libnazgul/src/queueReadUnlock.c

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2004-02-24 09:31:11 +00:00
#include "libnazgul.h"
#include "ids.h"
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int msgQueueReadUnlock(msgSpaceId externId,int queueIdx){
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sem_t * queueSemFd;
msgQueueSemId queueSemId;
msgQueueReadSemIdIntern(queueSemId,externId,queueIdx);
queueSemFd=sem_open(queueSemId,O_CREAT|O_EXCL,SEM_DEFAULT_MODE,1);
if(queueSemFd==SEM_FAILED){
NZG_ERROR("sem_open",queueSemId);
goto ERROR;
}
if(sem_post(queueSemFd)==-1){
NZG_ERROR("sem_post",queueSemId);
goto ERROR;
}
sem_close(queueSemFd);
return 0;
ERROR:
return -1;
}