use tkill instead of tgkill in implementing raise

[musl] / src / signal / sigismember.c

diff --git a/src/signal/sigismember.c b/src/signal/sigismember.c
index d3de6ef..ab87d62 100644 (file)
--- a/src/signal/sigismember.c
+++ b/src/signal/sigismember.c
@@ -1,12 +1,8 @@
 #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;
-       }
+       if (s >= _NSIG-1) return 0;
        return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
 }