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      1 // Copyright 2016 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 package main
      6 
      7 /*
      8 char *geterror() {
      9 	return "cgo error";
     10 }
     11 */
     12 import "C"
     13 import (
     14 	"fmt"
     15 )
     16 
     17 func init() {
     18 	register("CgoPanicDeadlock", CgoPanicDeadlock)
     19 }
     20 
     21 type cgoError struct{}
     22 
     23 func (cgoError) Error() string {
     24 	fmt.Print("") // necessary to trigger the deadlock
     25 	return C.GoString(C.geterror())
     26 }
     27 
     28 func CgoPanicDeadlock() {
     29 	panic(cgoError{})
     30 }
     31