go issue5963 源码

  • 2022-07-15
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golang issue5963 代码

文件路径:/test/fixedbugs/issue5963.go

// run

// 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.

// Used to die in runtime due to init goroutine exiting while
// locked to main thread.

package main

import (
	"os"
	"runtime"
)

func init() {
	c := make(chan int, 1)
	defer func() {
		c <- 0
	}()
	go func() {
		os.Exit(<-c)
	}()
	runtime.Goexit()
}

func main() {
}

/* Before fix:

invalid m->locked = 2
fatal error: internal lockOSThread error

goroutine 2 [runnable]:
runtime.MHeap_Scavenger()
	/Users/rsc/g/go/src/pkg/runtime/mheap.c:438
runtime.goexit()
	/Users/rsc/g/go/src/pkg/runtime/proc.c:1313
created by runtime.main
	/Users/rsc/g/go/src/pkg/runtime/proc.c:165

goroutine 3 [runnable]:
main.func·002()
	/Users/rsc/g/go/test/fixedbugs/issue5963.go:22
created by main.init·1
	/Users/rsc/g/go/test/fixedbugs/issue5963.go:24 +0xb9
exit status 2
*/

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