47 lines
917 B
Go
47 lines
917 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"os"
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"runtime"
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)
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func init() {
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register("CrashDumpsAllThreads", CrashDumpsAllThreads)
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}
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func CrashDumpsAllThreads() {
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const count = 4
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runtime.GOMAXPROCS(count + 1)
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chans := make([]chan bool, count)
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for i := range chans {
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chans[i] = make(chan bool)
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go crashDumpsAllThreadsLoop(i, chans[i])
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}
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// Wait for all the goroutines to start executing.
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for _, c := range chans {
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<-c
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}
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// Tell our parent that all the goroutines are executing.
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if _, err := os.NewFile(3, "pipe").WriteString("x"); err != nil {
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fmt.Fprintf(os.Stderr, "write to pipe failed: %v\n", err)
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os.Exit(2)
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}
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select {}
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}
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func crashDumpsAllThreadsLoop(i int, c chan bool) {
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close(c)
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for {
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for j := 0; j < 0x7fffffff; j++ {
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}
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}
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}
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