From 1fa6f4c83ca381019451488fd2243eaed6dd389b Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 1 Jul 2020 11:37:38 +0200
Subject: [PATCH] Add a default signal handler to avoid having the SIGINTs
 ignored, fixes #9027

---
 src/Composer/Console/Application.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Composer/Console/Application.php b/src/Composer/Console/Application.php
index 4160a69ac..622938476 100644
--- a/src/Composer/Console/Application.php
+++ b/src/Composer/Console/Application.php
@@ -81,6 +81,13 @@ class Application extends BaseApplication
         }
 
         if (!$shutdownRegistered) {
+            if (function_exists('pcntl_async_signals') && function_exists('pcntl_signal')) {
+                pcntl_async_signals(true);
+                pcntl_signal(SIGINT, function ($sig) {
+                    exit(130);
+                });
+            }
+
             $shutdownRegistered = true;
 
             register_shutdown_function(function () {