From: Alex Brainman <alex.brainman@gmail.com>
Date: Fri, 18 Jan 2013 04:31:01 +0000 (+1100)
Subject: time: Sleep does better job then runtime.Gosched in TestAfterStress
X-Git-Tag: go1.1rc2~1367
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e0aa26a42719f8eae1cbf64349f3bee24a42e2a2;p=gostls13.git

time: Sleep does better job then runtime.Gosched in TestAfterStress

for slow windows-386 builder

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/7128053
---

diff --git a/src/pkg/time/sleep_test.go b/src/pkg/time/sleep_test.go
index 3e4b6c072c..6671eb317d 100644
--- a/src/pkg/time/sleep_test.go
+++ b/src/pkg/time/sleep_test.go
@@ -54,9 +54,10 @@ func TestAfterStress(t *testing.T) {
 	go func() {
 		for atomic.LoadUint32(&stop) == 0 {
 			runtime.GC()
-			// Need to yield, because otherwise
-			// the main goroutine will never set the stop flag.
-			runtime.Gosched()
+			// Yield so that the OS can wake up the timer thread,
+			// so that it can generate channel sends for the main goroutine,
+			// which will eventually set stop = 1 for us.
+			Sleep(Nanosecond)
 		}
 	}()
 	c := Tick(1)