From bdd4b99d725188944b207cee20bef5f557fa7849 Mon Sep 17 00:00:00 2001
From: AnotherTest <ali.mpfard@gmail.com>
Date: Wed, 30 Dec 2020 21:02:46 +0330
Subject: LibIPC: Add an on_destruction hook to IPC::Message

Any cleanup of resources needed (up until the message is sent) can be
done here.
Currently, the only such resource is an IPC::File.
---
 Libraries/LibIPC/Message.cpp | 2 ++
 Libraries/LibIPC/Message.h   | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Libraries/LibIPC/Message.cpp b/Libraries/LibIPC/Message.cpp
index 10919b70de..7d3e40dcf6 100644
--- a/Libraries/LibIPC/Message.cpp
+++ b/Libraries/LibIPC/Message.cpp
@@ -34,6 +34,8 @@ Message::Message()
 
 Message::~Message()
 {
+    if (on_destruction)
+        on_destruction();
 }
 
 }
diff --git a/Libraries/LibIPC/Message.h b/Libraries/LibIPC/Message.h
index 495e751adc..90dc57bb5e 100644
--- a/Libraries/LibIPC/Message.h
+++ b/Libraries/LibIPC/Message.h
@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include <AK/Function.h>
 #include <AK/Vector.h>
 
 namespace IPC {
@@ -44,6 +45,8 @@ public:
     virtual const char* message_name() const = 0;
     virtual MessageBuffer encode() const = 0;
 
+    Function<void()> on_destruction;
+
 protected:
     Message();
 };
-- 
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