From 6a101c51d2dd8225f87b40af7701c4cde80a73ad Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 8 Jul 2022 15:39:23 +0530
Subject: [PATCH] Close tty_fd in master on fork() rather than on close()

---
 kitty/prewarm.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kitty/prewarm.py b/kitty/prewarm.py
index 715e05f09..d54bc6adb 100644
--- a/kitty/prewarm.py
+++ b/kitty/prewarm.py
@@ -463,6 +463,9 @@ def fork(self, free_non_child_resources: Callable[[], None]) -> None:
         if self.pid > 0:
             # master process
             os.close(w)
+            if self.tty_fd > -1:
+                os.close(self.tty_fd)
+                self.tty_fd = -1
             if self.stdin > -1:
                 os.close(self.stdin)
                 self.stdin = -1