Meg's Mirrors

zig

1	#include <semaphore.h>
2	#include <limits.h>
3	#include <errno.h>
4
5	int sem_init(sem_t *sem, int pshared, unsigned value)
6	{
7	if (value > SEM_VALUE_MAX) {
8	errno = EINVAL;
9	return -1;
10	}
11	sem->__val[0] = value;
12	sem->__val[1] = 0;
13	sem->__val[2] = pshared ? 0 : 128;
14	return 0;
15	}