#include "syscall.h"
#include "pthread_impl.h"
-static void restorer()
-{
- syscall0(__NR_rt_sigreturn);
-}
+void __restore(), __restore_rt();
int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
{
if (sa) {
ksa.handler = sa->sa_handler;
ksa.flags = sa->sa_flags | SA_RESTORER;
- ksa.restorer = restorer;
+ ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
ksa.mask = sa->sa_mask;
pksa = (long)&ksa;
}
if (old) pkold = (long)&kold;
- if (syscall4(__NR_rt_sigaction, sig, pksa, pkold, 8))
+ if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8))
return -1;
if (old) {
old->sa_handler = kold.handler;
int __sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
{
- if (sig == SIGCANCEL || sig == SIGSYSCALL) {
+ if (sig-32U < 3) {
errno = EINVAL;
return -1;
}