From 1e1961c0a28093585be4934fcc7e62ca9116810f Mon Sep 17 00:00:00 2001
From: Keegan McAllister <kmcallister@mozilla.com>
Date: Thu, 23 Oct 2014 17:32:28 -0700
Subject: [PATCH] Allow the user to set their own GC callback

---
 src/rust.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rust.rs b/src/rust.rs
index 9ac226c6a..ef00d1101 100644
--- a/src/rust.rs
+++ b/src/rust.rs
@@ -57,7 +57,8 @@ impl RtUtils for rc::Rc<rt_rsrc> {
     }
 }
 
-unsafe extern fn gc_callback(rt: *mut JSRuntime, _status: JSGCStatus) {
+/// If you set your own callback, the first step should be a call to this one.
+pub unsafe extern fn gc_callback(rt: *mut JSRuntime, _status: JSGCStatus) {
     use std::rt::local::Local;
     use std::rt::task::Task;
     unsafe {