From ecfa798abca02da5be7eb63667da238ecdd5282c Mon Sep 17 00:00:00 2001
From: Lars Bergstrom <lbergstrom@mozilla.com>
Date: Fri, 23 Aug 2013 10:34:32 -0500
Subject: [PATCH] Change the profiler loop to use try_recv so that the task
 will exit during shutdown instead of crashing trying to recv on a closed
 port.

---
 src/components/util/time.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/components/util/time.rs b/src/components/util/time.rs
index cfdb037c4f06..4dda2457ef93 100644
--- a/src/components/util/time.rs
+++ b/src/components/util/time.rs
@@ -131,8 +131,11 @@ impl Profiler {
 
     pub fn start(&mut self) {
         loop {
-            let msg = self.port.recv();
-            self.handle_msg(msg);
+            let msg = self.port.try_recv();
+            match msg {
+               Some (msg) => self.handle_msg(msg),
+               None => break
+            }
         }
     }