From ea57f1301dc59484fa351ed4efbac2e4f32becb6 Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Sun, 7 Feb 2010 10:39:10 +0000
Subject: [PATCH] Restore old signal handlers after ours have fired once

---
 src/Main.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Main.cpp b/src/Main.cpp
index ea5bc7f..a5e6010 100644
--- a/src/Main.cpp
+++ b/src/Main.cpp
@@ -31,11 +31,19 @@ using namespace boost::filesystem;
 
 namespace {
     IWindowPtr window;
+    struct sigaction oldSIGINT;
 
+    void clearSignalHandlers()
+    {
+	sigaction(SIGINT, &oldSIGINT, NULL);
+    }
+        
     void SIGINT_handler(int unused)
     {
 	log() << "Caught SIGINT";
 	::window->quit();
+
+	clearSignalHandlers();
     }
    
     void setupSignalHandlers()
@@ -45,7 +53,7 @@ namespace {
 	sa.sa_flags = 0;
 	sigemptyset(&sa.sa_mask);
 
-	sigaction(SIGINT, &sa, NULL);
+	sigaction(SIGINT, &sa, &oldSIGINT);
     }
 }
 
-- 
2.39.2