l3.libnazgul/src/poolDataTabUnlock.c

37 lines
698 B
C

#include "libnazgul.h"
#include "ids.h"
#define DEBUG 0
int msgPoolDataTabUnlock(msgSpace * space)
{
int semval;
sem_t *poolDataTabSemFd;
if (DEBUG) {
printf("Unlocking %s\n", space->poolDataTabSemId);
}
poolDataTabSemFd = sem_open(space->poolDataTabSemId, O_CREAT,
SEM_DEFAULT_MODE, 1);
if (poolDataTabSemFd == SEM_FAILED) {
NZG_ERROR("sem_open", space->poolDataTabSemId);
goto ERROR;
}
if (sem_post(poolDataTabSemFd) == -1) {
NZG_ERROR("sem_post", space->poolDataTabSemId);
goto ERROR;
}
semval = 0;
sem_getvalue(poolDataTabSemFd, &semval);
if (DEBUG) {
printf("(AfternValue:%d)\n", semval);
}
sem_close(poolDataTabSemFd);
return 0;
ERROR:
return -1;
}