projects
/
oweals
/
musl.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
fix broken semctl on systems that don't use IPC_64 flag
[oweals/musl.git]
/
src
/
signal
/
sigismember.c
1
#include <signal.h>
2
#include <errno.h>
3
4
int sigismember(const sigset_t *set, int sig)
5
{
6
unsigned s = sig-1;
7
if (s >= 8*sizeof(sigset_t) || s-32U<3) {
8
errno = EINVAL;
9
return -1;
10
}
11
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
12
}