From 54bc41f68bc852fd220840dd4aa3c5f4369b70ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?H=C3=A9ctor=20Ram=C3=B3n?= <hector0193@gmail.com>
Date: Mon, 20 Apr 2020 23:48:42 +0200
Subject: [PATCH] Implement `Drop` for `Proxy` on macOS platform (#1526)

---
 CHANGELOG.md                          | 1 +
 src/platform_impl/macos/event_loop.rs | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e428fbbe..ef5e9fd9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - On X11, fix `ResumeTimeReached` being fired too early.
 - On Web, replaced zero timeout for `ControlFlow::Poll` with `requestAnimationFrame`
 - On Web, fix a possible panic during event handling
+- On macOS, fix `EventLoopProxy` leaking memory for every instance.
 
 # 0.22.0 (2020-03-09)
 
diff --git a/src/platform_impl/macos/event_loop.rs b/src/platform_impl/macos/event_loop.rs
index cc3d3928..01437b84 100644
--- a/src/platform_impl/macos/event_loop.rs
+++ b/src/platform_impl/macos/event_loop.rs
@@ -117,6 +117,14 @@ pub struct Proxy<T> {
 
 unsafe impl<T: Send> Send for Proxy<T> {}
 
+impl<T> Drop for Proxy<T> {
+    fn drop(&mut self) {
+        unsafe {
+            CFRelease(self.source as _);
+        }
+    }
+}
+
 impl<T> Clone for Proxy<T> {
     fn clone(&self) -> Self {
         Proxy::new(self.sender.clone())