runtime: stop deadlock test properly (fix arm5 build)

TBR=r
CC=golang-dev
https://golang.org/cl/4446058

diff --git a/src/pkg/runtime/proc_test.go b/src/pkg/runtime/proc_test.go
index f5449440a8d3817555a5184e2f87a52f71b24ccc..5caaf69cd68247779e11943435347eb01e44ea6f 100644 (file)
--- a/src/pkg/runtime/proc_test.go
+++ b/src/pkg/runtime/proc_test.go
@@ -9,8 +9,14 @@ import (
        "testing"
 )
 
+var stop = make(chan bool, 1)
+
 func perpetuumMobile() {
-       go perpetuumMobile()
+       select {
+       case <-stop:
+       default:
+               go perpetuumMobile()
+       }
 }
 
 func TestStopTheWorldDeadlock(t *testing.T) {
@@ -29,4 +35,5 @@ func TestStopTheWorldDeadlock(t *testing.T) {
        }()
        go perpetuumMobile()
        <-compl
+       stop <- true
 }