mirror of https://git.musl-libc.org/git/musl
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
12 lines
273 B
12 lines
273 B
#include <signal.h>
|
|
#include <errno.h>
|
|
|
|
int sigismember(const sigset_t *set, int sig)
|
|
{
|
|
unsigned s = sig-1;
|
|
if (s >= 8*sizeof(sigset_t) || s-32U<3) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
|
|
}
|
|
|