From 37016e612c4eadd2cc8c4a8fb3a5bd4427a0a205 Mon Sep 17 00:00:00 2001
From: Andriy Symonovych <sima.rv@gmail.com>
Date: Wed, 6 Dec 2017 13:13:36 +0200
Subject: [PATCH] Fix macos build (#186)

* fix compile error

* fix missing function error

* fix undefined behavior issue

* require callback to be `Send`
---
 src/coreaudio/mod.rs | 6 +++---
 src/lib.rs           | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/coreaudio/mod.rs b/src/coreaudio/mod.rs
index 3263118..8c33151 100644
--- a/src/coreaudio/mod.rs
+++ b/src/coreaudio/mod.rs
@@ -65,7 +65,7 @@ pub struct EventLoop {
 
 struct ActiveCallbacks {
     // Whenever the `run()` method is called with a callback, this callback is put in this list.
-    callbacks: Mutex<Vec<&'static mut FnMut(VoiceId, UnknownTypeBuffer)>>,
+    callbacks: Mutex<Vec<&'static mut (FnMut(VoiceId, UnknownTypeBuffer) + Send)>>,
 }
 
 struct VoiceInner {
@@ -98,9 +98,9 @@ impl EventLoop {
 
     #[inline]
     pub fn run<F>(&self, mut callback: F) -> !
-        where F: FnMut(VoiceId, UnknownTypeBuffer)
+        where F: FnMut(VoiceId, UnknownTypeBuffer) + Send
     {
-        let callback: &mut FnMut(VoiceId, UnknownTypeBuffer) = &mut callback;
+        let callback: &mut (FnMut(VoiceId, UnknownTypeBuffer) + Send) = &mut callback;
         self.active_callbacks
             .callbacks
             .lock()
diff --git a/src/lib.rs b/src/lib.rs
index 4b72fc4..c134e96 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -374,7 +374,7 @@ impl EventLoop {
     /// You can call the other methods of `EventLoop` without getting a deadlock.
     #[inline]
     pub fn run<F>(&self, mut callback: F) -> !
-        where F: FnMut(VoiceId, UnknownTypeBuffer)
+        where F: FnMut(VoiceId, UnknownTypeBuffer) + Send
     {
         self.0.run(move |id, buf| callback(VoiceId(id), buf))
     }