Likewise. Take care for ACT being NULL.

diff --git a/sysdeps/unix/sysv/linux/i386/sigaction.c b/sysdeps/unix/sysv/linux/i386/sigaction.c
index 90d61a0..05d187c 100644 (file)
--- a/sysdeps/unix/sysv/linux/i386/sigaction.c
+++ b/sysdeps/unix/sysv/linux/i386/sigaction.c
@@ -47,19 +47,24 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
   /* First try the RT signals.  */
   if (__libc_have_rt_sigs)
     {
   /* First try the RT signals.  */
   if (__libc_have_rt_sigs)
     {

-      struct sigaction nact;
+      struct sigaction nact, *nactp;

 
 

-      nact.sa_handler = act->sa_handler;
-      memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t));
-      nact.sa_flags = act->sa_flags;
+      if (act)
+       {
+         nact.sa_handler = act->sa_handler;
+         memcpy (&nact.sa_mask, &act->sa_mask, sizeof (sigset_t));
+         nact.sa_flags = act->sa_flags;

 
 

-      nact.sa_restorer = ((act->sa_flags & SA_NOMASK)
-                         ? &&restore_nomask : &&restore);
+         nact.sa_restorer = ((act->sa_flags & SA_NOMASK)
+                             ? &&restore_nomask : &&restore);
+         nactp = &nact;
+       }
+      else
+       nactp = NULL;

 
       /* XXX The size argument hopefully will have to be changed to the
         real size of the user-level sigset_t.  */
 
       /* XXX The size argument hopefully will have to be changed to the
         real size of the user-level sigset_t.  */

-      result = __syscall_rt_sigaction (sig, &nact, oact,
-                                      _NSIG / (8 * sizeof (long int)));
+      result = __syscall_rt_sigaction (sig, nactp, oact, _NSIG / 8);

 
       if (result >= 0 || errno != ENOSYS)
        return result;
 
       if (result >= 0 || errno != ENOSYS)
        return result;