go deadlock 源码
golang deadlock 代码
文件路径：/src/runtime/testdata/testprogcgo/deadlock.go
// Copyright 2016 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
/*
char *geterror() {
return "cgo error";
}
*/
import "C"
import (
"fmt"
)
func init() {
register("CgoPanicDeadlock", CgoPanicDeadlock)
}
type cgoError struct{}
func (cgoError) Error() string {
fmt.Print("") // necessary to trigger the deadlock
return C.GoString(C.geterror())
}
func CgoPanicDeadlock() {
panic(cgoError{})
}
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