47 lines
764 B
Go
47 lines
764 B
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)
|
||
|
}
|
||
|
|
||
|
var NilPointer *string
|
||
|
|
||
|
func test(name string) {
|
||
|
defer func() {
|
||
|
if x := recover(); x != nil {
|
||
|
fmt.Printf(" recovered")
|
||
|
}
|
||
|
fmt.Printf(" done\n")
|
||
|
}()
|
||
|
fmt.Printf("%s:", name)
|
||
|
*NilPointer = name
|
||
|
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")
|
||
|
}
|