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// Copyright 2009 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 ogle
import (
// An aborter aborts the thread's current computation, usually
// passing the error to a waiting thread.
type aborter interface {
Abort(err os.Error)
type ogleAborter chan os.Error
func (a ogleAborter) Abort(err os.Error) {
a <- err
// try executes a computation; if the computation Aborts, try returns
// the error passed to abort.
func try(f func(a aborter)) os.Error {
a := make(ogleAborter)
go func() {
a <- nil
err := <-a
return err