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optimize posix_spawn to avoid spurious sigaction syscalls
[musl]
/
src
/
signal
/
sigismember.c
diff --git
a/src/signal/sigismember.c
b/src/signal/sigismember.c
index
e887b95
..
1a22108
100644
(file)
--- a/
src/signal/sigismember.c
+++ b/
src/signal/sigismember.c
@@
-4,9
+4,6
@@
int sigismember(const sigset_t *set, int sig)
{
unsigned s = sig-1;
int sigismember(const sigset_t *set, int sig)
{
unsigned s = sig-1;
- if (s >= 8*sizeof(sigset_t) || sig-32U<3) {
- errno = EINVAL;
- return -1;
- }
+ if (s >= 8*sizeof(sigset_t)) return 0;
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}
return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
}