go crash 源码
golang crash 代码
文件路径：/src/runtime/testdata/testprogcgo/crash.go
// Copyright 2015 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 main
import (
"fmt"
"runtime"
)
func init() {
register("Crash", Crash)
}
func test(name string) {
defer func() {
if x := recover(); x != nil {
fmt.Printf(" recovered")
}
fmt.Printf(" done\n")
}()
fmt.Printf("%s:", name)
var s *string
_ = *s
fmt.Print("SHOULD NOT BE HERE")
}
func testInNewThread(name string) {
c := make(chan bool)
go func() {
runtime.LockOSThread()
test(name)
c <- true
}()
<-c
}
func Crash() {
runtime.LockOSThread()
test("main")
testInNewThread("new-thread")
testInNewThread("second-new-thread")
test("main-again")
}
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