mirror of
https://github.com/golang/go
synced 2024-11-22 21:40:03 -07:00
c3f4319a24
The testso directory still needs to be enabled. R=golang-dev, r CC=golang-dev https://golang.org/cl/5731048
46 lines
847 B
Go
46 lines
847 B
Go
// 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 cgotest
|
|
|
|
/*
|
|
#include <unistd.h>
|
|
|
|
unsigned int sleep(unsigned int seconds);
|
|
|
|
extern void BackgroundSleep(int);
|
|
void twoSleep(int);
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
var sleepDone = make(chan bool)
|
|
|
|
func parallelSleep(n int) {
|
|
C.twoSleep(C.int(n))
|
|
<-sleepDone
|
|
}
|
|
|
|
//export BackgroundSleep
|
|
func BackgroundSleep(n int) {
|
|
go func() {
|
|
C.sleep(C.uint(n))
|
|
sleepDone <- true
|
|
}()
|
|
}
|
|
|
|
func testParallelSleep(t *testing.T) {
|
|
start := time.Now()
|
|
parallelSleep(1)
|
|
dt := time.Now().Sub(start)
|
|
// bug used to run sleeps in serial, producing a 2-second delay.
|
|
if dt >= 1300*time.Millisecond {
|
|
t.Fatalf("parallel 1-second sleeps slept for %f seconds", dt.Seconds())
|
|
}
|
|
}
|