From 1d3ef192629936cae57e7d442716e11079d9f98e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabrice=20Desr=C3=A9?= <fabrice@desre.org>
Date: Wed, 23 May 2018 15:22:00 +0300
Subject: [PATCH] Bug 1452245 - The parent side isn't closed if the child dies
 unexpectedly, r=valentin

---
 netwerk/protocol/websocket/WebSocketChannelParent.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/netwerk/protocol/websocket/WebSocketChannelParent.cpp b/netwerk/protocol/websocket/WebSocketChannelParent.cpp
index 557b025ce43b..68722e2b030d 100644
--- a/netwerk/protocol/websocket/WebSocketChannelParent.cpp
+++ b/netwerk/protocol/websocket/WebSocketChannelParent.cpp
@@ -283,6 +283,14 @@ void
 WebSocketChannelParent::ActorDestroy(ActorDestroyReason why)
 {
   LOG(("WebSocketChannelParent::ActorDestroy() %p\n", this));
+
+  // Make sure we close the channel if the content process dies without going
+  // through a clean shutdown.
+  if (mChannel) {
+    Unused << mChannel->Close(nsIWebSocketChannel::CLOSE_GOING_AWAY,
+                              NS_LITERAL_CSTRING("Child was killed"));
+  }
+
   mIPCOpen = false;
 }