Quit server on SIGINT when it was not signaled by Kakoune itself

Fixes #3974

1 files changed, 4 insertions, 0 deletions

diff --git a/src/client.cc b/src/client.cc
index da178623..945b4d2f 100644
--- a/src/client.cc
+++ b/src/client.cc
@@ -47,7 +47,11 @@ Client::Client(std::unique_ptr<UserInterface>&& ui,
     m_ui->set_ui_options(m_window->options()["ui_options"].get<UserInterface::Options>());
     m_ui->set_on_key([this](Key key) {
         if (key == ctrl('c'))
+        {
+            auto prev_handler = set_signal_handler(SIGINT, SIG_IGN);
             killpg(getpgrp(), SIGINT);
+            set_signal_handler(SIGINT, prev_handler);
+        }
         else if (key.modifiers & Key::Modifiers::Resize)
         {
             m_window->set_dimensions(key.coord());