From a1e4b1948642738b571a24e4354257e296f50d20 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 10 Mar 2022 06:34:50 +0530
Subject: [PATCH] ...

---
 kitty/shm.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kitty/shm.py b/kitty/shm.py
index 6fafa9457..279de1eb8 100644
--- a/kitty/shm.py
+++ b/kitty/shm.py
@@ -63,10 +63,20 @@ class SharedMemory:
         except OSError:
             pass
 
+    def __enter__(self) -> 'SharedMemory':
+        return self
+
+    def __exit__(self, *a: object) -> None:
+        self.close()
+
     @property
     def name(self) -> str:
         return self._name
 
+    @property
+    def fileno(self) -> int:
+        return self._fd
+
     @property
     def buf(self) -> memoryview:
         ans = self._buf