int pthread_barrier_init(pthread_barrier_t *b, const pthread_barrierattr_t *a, unsigned count)
{
- if (!count) return EINVAL;
- *b = (pthread_barrier_t){ ._b_limit = count-1 };
+ if (count-1 > INT_MAX-1) return EINVAL;
+ *b = (pthread_barrier_t){ ._b_limit = count-1 | (a?*a:0) };
return 0;
}