gcc/testsuite/go.test/test/fixedbugs/issue5963.go

   1 // run
   2
   3 // Copyright 2013 The Go Authors.  All rights reserved.
   4 // Use of this source code is governed by a BSD-style
   5 // license that can be found in the LICENSE file.
   6
   7 // Used to die in runtime due to init goroutine exiting while
   8 // locked to main thread.
   9
  10 package main
  11
  12 import (
  13         "os"
  14         "runtime"
  15 )
  16
  17 func init() {
  18         c := make(chan int, 1)
  19         defer func() {
  20                 c <- 0
  21         }()
  22         go func() {
  23                 os.Exit(<-c)
  24         }()
  25         runtime.Goexit()
  26 }
  27
  28 func main() {
  29 }
  30
  31 /* Before fix:
  32
  33 invalid m->locked = 2
  34 fatal error: internal lockOSThread error
  35
  36 goroutine 2 [runnable]:
  37 runtime.MHeap_Scavenger()
  38         /Users/rsc/g/go/src/pkg/runtime/mheap.c:438
  39 runtime.goexit()
  40         /Users/rsc/g/go/src/pkg/runtime/proc.c:1313
  41 created by runtime.main
  42         /Users/rsc/g/go/src/pkg/runtime/proc.c:165
  43
  44 goroutine 3 [runnable]:
  45 main.func·002()
  46         /Users/rsc/g/go/test/fixedbugs/issue5963.go:22
  47 created by main.init·1
  48         /Users/rsc/g/go/test/fixedbugs/issue5963.go:24 +0xb9
  49 exit status 2
  50 */