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// Copyright 2013 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.
// +build linux freebsd
package runtime_test
import (
. "runtime"
"testing"
"time"
)
func TestFutexsleep(t *testing.T) {
ch := make(chan bool, 1)
var dummy uint32
start := time.Now()
go func() {
Entersyscall()
Futexsleep(&dummy, 0, (1<<31+100)*1e9)
Exitsyscall()
ch <- true
}()
select {
case <-ch:
t.Errorf("futexsleep finished early after %s!", time.Since(start))
case <-time.After(time.Second):
Futexwakeup(&dummy, 1)
}
}
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