From 78fa02106eefe7526a47808caaee0dbe1857ef2e Mon Sep 17 00:00:00 2001
From: Ted Horst <ted.horst@earthlink.net>
Date: Tue, 17 Jul 2012 23:13:11 -0500
Subject: [PATCH] call task::yield in comm::peek

---
 src/libcore/comm.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libcore/comm.rs b/src/libcore/comm.rs
index e20278bc3931..7e1ef280ea61 100644
--- a/src/libcore/comm.rs
+++ b/src/libcore/comm.rs
@@ -211,6 +211,9 @@ fn recv_<T: send>(p: *rust_port) -> T {
 }
 
 fn peek_(p: *rust_port) -> bool {
+    // Yield here before we check to see if someone sent us a message
+    // FIXME #524, if the compilergenerates yields, we don't need this
+    task::yield();
     rustrt::rust_port_size(p) != 0u as libc::size_t
 }