projects
/
oweals
/
musl.git
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
implement hcreate_r, hdestroy_r and hsearch_r
[oweals/musl.git]
/
src
/
signal
/
sigaddset.c
1
#include <signal.h>
2
#include <errno.h>
3
4
int sigaddset(sigset_t *set, int sig)
5
{
6
unsigned s = sig-1;
7
if (s >= _NSIG-1 || sig-32U < 3) {
8
errno = EINVAL;
9
return -1;
10
}
11
set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1);
12
return 0;
13
}