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