# HG changeset patch
# User Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
# Date 2021-02-15 19:11:38
# Node ID c9434fcbc901a3f0f11173d1be9a6a36837492ef
# Parent  309e6729e435156bbaa49e18da12a38ce8fd3974

sshpeer: add a method to check if a doublepipe is closed

So we can tell in a next commit if we're trying to close an already
closed connection or not (in which case, we may warn).

Differential Revision: https://phab.mercurial-scm.org/D9996

diff --git a/mercurial/sshpeer.py b/mercurial/sshpeer.py
--- a/mercurial/sshpeer.py
+++ b/mercurial/sshpeer.py
@@ -140,6 +140,10 @@ class doublepipe(object):
     def close(self):
         return self._main.close()
 
+    @property
+    def closed(self):
+        return self._main.closed
+
     def flush(self):
         return self._main.flush()
 
diff --git a/tests/test-check-interfaces.py b/tests/test-check-interfaces.py
--- a/tests/test-check-interfaces.py
+++ b/tests/test-check-interfaces.py
@@ -113,6 +113,10 @@ class dummypipe(object):
     def close(self):
         pass
 
+    @property
+    def closed(self):
+        pass
+
 
 def main():
     ui = uimod.ui()