37 lines
685 B
C
37 lines
685 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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int semval;
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sem_t * poolDataTabSemFd;
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semval=0;
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if (DEBUG) {printf("Locking %s\n",space->poolDataTabSemId);}
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poolDataTabSemFd=sem_open(
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space->poolDataTabSemId
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,O_CREAT,
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SEM_DEFAULT_MODE,
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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) { printf("(AfternValue:%d)\n",semval);}
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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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