path: root / Year 3 / System programming / Practice11 / ex1.c


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#include <stdio.h>
#include <semaphore.h>
#include <sys/stat.h>
#include <fcntl.h>

int main() {
	sem_t* sem = sem_open("/sem", O_CREAT);

	int sval = 0;
	sem_getvalue(sem, &sval);
	printf("%d\n", sval);

	sem_close(sem);
	sem_unlink("/sem");

	return 0;
}