nativity/lib/libc/musl/src/signal/sigismember.c
David Gonzalez Martin 38011a233c Integrate libs
2024-03-02 12:58:12 -06:00

9 lines
206 B
C

#include <signal.h>
int sigismember(const sigset_t *set, int sig)
{
unsigned s = sig-1;
if (s >= _NSIG-1) return 0;
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}