From 78ed5f5e9256628e23412255f64397544dfc2814 Mon Sep 17 00:00:00 2001
From: Pavel Krajcevski <pavel@cs.unc.edu>
Date: Mon, 1 Oct 2012 13:01:20 -0400
Subject: [PATCH] On OS X, replace pthread_yield with sched_yield

---
 Core/src/ThreadPThread.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Core/src/ThreadPThread.cpp b/Core/src/ThreadPThread.cpp
index 1569922..2564ab6 100644
--- a/Core/src/ThreadPThread.cpp
+++ b/Core/src/ThreadPThread.cpp
@@ -8,6 +8,10 @@
 #include <pthread.h>
 #include <errno.h>
 
+#ifdef __APPLE__
+#include <sched.h>
+#endif
+
 static void ReportErrorAndExit(int err, const char *msg) {
   char errMsg[1024];
   sprintf(errMsg, "Thread error -- %s: ", msg);
@@ -77,7 +81,11 @@ void TCThread::Join() {
 }
 
 void TCThread::Yield() {
+#ifdef __APPLE__
+  int result = sched_yield();
+#else
   int result = pthread_yield();
+#endif
   if(result != 0) {
     ReportErrorAndExit(result, "pthread_yield");
   }