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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package runtime_test
import (
"runtime"
"testing"
)
var stop = make(chan bool, 1)
func perpetuumMobile() {
select {
case <-stop:
default:
go perpetuumMobile()
}
}
func TestStopTheWorldDeadlock(t *testing.T) {
if testing.Short() {
t.Logf("skipping during short test")
return
}
maxprocs := runtime.GOMAXPROCS(3)
compl := make(chan bool, 2)
go func() {
for i := 0; i != 1000; i += 1 {
runtime.GC()
}
compl <- true
}()
go func() {
for i := 0; i != 1000; i += 1 {
runtime.GOMAXPROCS(3)
}
compl <- true
}()
go perpetuumMobile()
<-compl
<-compl
stop <- true
runtime.GOMAXPROCS(maxprocs)
}
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