#include <stdlib.h>
#include <signal.h>
#include <errno.h>
+#include <string.h>
#include "syscall.h"
#include "pthread_impl.h"
#include "libc.h"
static pthread_t dummy(void) { return 0; }
weak_alias(dummy, __pthread_self_def);
-int __libc_sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
+int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old)
{
- struct k_sigaction ksa, *pksa=0;
+ struct k_sigaction ksa;
if (sa) {
+ if ((uintptr_t)sa->sa_handler > 1UL)
+ __pthread_self_def();
ksa.handler = sa->sa_handler;
ksa.flags = sa->sa_flags | SA_RESTORER;
ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
memcpy(&ksa.mask, &sa->sa_mask, sizeof ksa.mask);
}
- __pthread_self_def();
if (syscall(SYS_rt_sigaction, sig, sa?&ksa:0, old?&ksa:0, sizeof ksa.mask))
return -1;
if (old) {
return 0;
}
-int __sigaction(int sig, const struct sigaction *sa, struct sigaction *old)
+int __sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old)
{
if (sig-32U < 3) {
errno = EINVAL;