From c7064b31ce7ffa899693b51eb368559658f48c12 Mon Sep 17 00:00:00 2001
From: Joshua Yanovski <pythonesque@gmail.com>
Date: Fri, 9 Mar 2018 01:20:49 +0100
Subject: [PATCH] The Send impl for `FontContext` is too forgiving.

I'm pretty confident that it is only thread safe if FK is (or another way of putting it is, I'm pretty sure if you include an `Rc<_>` in FK it should not be safe to share between threads).
---
 font-renderer/src/core_graphics.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/font-renderer/src/core_graphics.rs b/font-renderer/src/core_graphics.rs
index 09afb67d..75779cdf 100644
--- a/font-renderer/src/core_graphics.rs
+++ b/font-renderer/src/core_graphics.rs
@@ -56,7 +56,7 @@ pub struct FontContext<FK> where FK: Clone + Hash + Eq + Ord {
 }
 
 // Core Text is thread-safe.
-unsafe impl<FK> Send for FontContext<FK> where FK: Clone + Hash + Eq + Ord {}
+unsafe impl<FK> Send for FontContext<FK> where FK: Clone + Hash + Eq + Ord + Send {}
 
 impl<FK> FontContext<FK> where FK: Clone + Hash + Eq + Ord {
     /// Creates a new font context instance.