From dad50f6f2c13d75df92a5e06125f61715f2d7673 Mon Sep 17 00:00:00 2001
From: losfair <zhy20000919@hotmail.com>
Date: Mon, 26 Nov 2018 13:13:52 +0800
Subject: [PATCH] Add the SA_ONSTACK flag to SigAction so that stack overflow
 doesn't prevent unwinding.

---
 src/sighandler.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sighandler.rs b/src/sighandler.rs
index c02c4adb2..5079688db 100644
--- a/src/sighandler.rs
+++ b/src/sighandler.rs
@@ -12,7 +12,7 @@ use nix::sys::signal::{
 pub unsafe fn install_sighandler() {
     let sa = SigAction::new(
         SigHandler::Handler(signal_trap_handler),
-        SaFlags::empty(),
+        SaFlags::SA_ONSTACK,
         SigSet::empty(),
     );
     sigaction(SIGFPE, &sa).unwrap();