#include "syscall.h"
#include "pthread_impl.h"
#include "libc.h"
+#include "ksigaction.h"
void __restore(), __restore_rt();
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 {
- void *handler;
- unsigned long flags;
- void (*restorer)(void);
- sigset_t mask;
- } ksa, kold;
- long pksa=0, pkold=0;
+ struct k_sigaction ksa;
if (sa) {
ksa.handler = sa->sa_handler;
ksa.flags = sa->sa_flags | SA_RESTORER;
ksa.restorer = (sa->sa_flags & SA_SIGINFO) ? __restore_rt : __restore;
- ksa.mask = sa->sa_mask;
- pksa = (long)&ksa;
+ memcpy(&ksa.mask, &sa->sa_mask, sizeof ksa.mask);
}
- if (old) pkold = (long)&kold;
__pthread_self_def();
- if (syscall(SYS_rt_sigaction, sig, pksa, pkold, 8))
+ if (syscall(SYS_rt_sigaction, sig, sa?&ksa:0, old?&ksa:0, sizeof ksa.mask))
return -1;
if (old) {
- old->sa_handler = kold.handler;
- old->sa_flags = kold.flags;
- old->sa_mask = kold.mask;
+ old->sa_handler = ksa.handler;
+ old->sa_flags = ksa.flags;
+ memcpy(&old->sa_mask, &ksa.mask, sizeof ksa.mask);
}
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;