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Viewing changes to test/fixedbugs/issue8158.go

  • Committer: Package Import Robot
  • Author(s): Serge Hallyn
  • Date: 2014-11-18 15:12:26 UTC
  • mfrom: (14.2.12 vivid-proposed)
  • Revision ID: package-import@ubuntu.com-20141118151226-zug7vn93mn3dtiz3
Tags: 2:1.3.2-1ubuntu1
* Merge from Debian unstable.  Remaining changes:
  - 016-armhf-elf-header.patch: Use correct ELF header for armhf binaries.
  - Support co-installability with gccgo-go tool:
    - d/rules,golang-go.install: Rename bin/go -> bin/golang-go
    - d/golang-go.{postinst,prerm}: Install/remove /usr/bin/go using
      alternatives.
  - d/copyright: Amendments for full compiliance with copyright format.
  - d/control: Demote golang-go.tools to Suggests to support Ubuntu MIR.
  - dropped patches (now upstream):
    - d/p/issue27650045_40001_50001.diff
    - d/p/issue28050043_60001_70001.diff
    - d/p/issue54790044_100001_110001.diff

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Lines of Context:
test/fixedbugs/issue8158.go
 
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// run
 
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// Copyright 2014 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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        "runtime"
 
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        "time"
 
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)
 
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func main() {
 
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        c := make(chan bool, 1)
 
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        go f1(c)
 
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        <-c
 
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        time.Sleep(10 * time.Millisecond)
 
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        go f2(c)
 
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        <-c
 
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}
 
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func f1(done chan bool) {
 
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        defer func() {
 
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                recover()
 
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                done <- true
 
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                runtime.Goexit() // left stack-allocated Panic struct on gp->panic stack
 
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        }()
 
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        panic("p")
 
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}
 
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func f2(done chan bool) {
 
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        defer func() {
 
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                recover()
 
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                done <- true
 
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                runtime.Goexit()
 
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        }()
 
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        time.Sleep(10 * time.Millisecond) // overwrote Panic struct with Timer struct
 
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        runtime.GC()                      // walked gp->panic list, found mangled Panic struct, crashed
 
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        panic("p")
 
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}