blob: 042e4f73184f1114fe4f07c1b9dc9c69ef6216eb [file] [log] [blame]
// Copyright 2014 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.
// This program prints to stdout from multiple goroutines multiplexed onto
// multiple threads. It is used as the tracee program by the debugger (tracer)
// program in the parent directory.
package main
import (
// ansiColor is whether to display ANSI color codes in the program's output.
// This distinguishes this program's output (the tracee's) from the debugger
// program's output (the tracer's).
const ansiColor = false
var prefix, suffix string
func run(base int, sleep time.Duration, lockOSThread bool) {
if lockOSThread {
for i := 0; ; i++ {
fmt.Printf("%sx=%5d tid=%d%s\n", prefix, base+i, syscall.Gettid(), suffix)
func main() {
if ansiColor {
prefix, suffix = "\x1b[36m", "\x1b[0m"
go run(0, 300*time.Millisecond, false)
go run(100, 500*time.Millisecond, false)
go run(10000, 700*time.Millisecond, true)
time.Sleep(5 * time.Second)