Meg's Mirrors

zig

1	#include <signal.h>
2	#include <errno.h>
3
4	int sigprocmask(int how, const sigset_t *restrict set, sigset_t *restrict old)
5	{
6	int r = pthread_sigmask(how, set, old);
7	if (!r) return r;
8	errno = r;
9	return -1;
10	}