From 02fdead24419f7ec690d2124c032e917969a814f Mon Sep 17 00:00:00 2001
From: Danny Milosavljevic <dannym@scratchpost.org>
Date: Thu, 4 Jul 2019 03:25:59 +0200
Subject: [PATCH] signal: Use SA_SIGINFO (like glibc).

* lib/linux/signal.c (_restorer): Rename to...
(_restorer_for_siginfo): ...this.
(signal): Use it.  Use SA_SIGINFO.
---
 lib/linux/signal.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/linux/signal.c b/lib/linux/signal.c
index 75352599..d2f05b6f 100644
--- a/lib/linux/signal.c
+++ b/lib/linux/signal.c
@@ -26,7 +26,7 @@
 #if __i386__
 #else
 void
-_restorer (void)
+_restorer_for_siginfo (void)
 {
   _sys_call (SYS_rt_sigreturn);
 }
@@ -44,12 +44,12 @@ signal (int signum, sighandler_t action)
   unsigned short itembitcount;
 
   setup_action.sa_handler = action;
-  setup_action.sa_restorer = _restorer;
+  setup_action.sa_restorer = _restorer_for_siginfo;
   bitindex = signum - 1;
   itembitcount = 8 * sizeof(setup_action.sa_mask.items[0]);
   setup_action.sa_mask.items[bitindex / itembitcount] = 1UL << (bitindex % itembitcount);
   old.sa_handler = SIG_DFL;
-  setup_action.sa_flags = SA_RESTORER | SA_RESTART;
+  setup_action.sa_flags = SA_RESTORER | SA_RESTART | SA_SIGINFO;
   int r = _sys_call4 (SYS_rt_sigaction, signum, &setup_action, &old, sizeof (sigset_t));
   if (r)
     return 0;