gcc/libgo/go/net/pipe.go
Ian Lance Taylor af92e38566 libgo: Update to weekly.2012-01-20.
From-SVN: r183540
2012-01-25 21:54:22 +00:00

68 lines
1.3 KiB
Go

// Copyright 2010 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 net
import (
"errors"
"io"
"time"
)
// Pipe creates a synchronous, in-memory, full duplex
// network connection; both ends implement the Conn interface.
// Reads on one end are matched with writes on the other,
// copying data directly between the two; there is no internal
// buffering.
func Pipe() (Conn, Conn) {
r1, w1 := io.Pipe()
r2, w2 := io.Pipe()
return &pipe{r1, w2}, &pipe{r2, w1}
}
type pipe struct {
*io.PipeReader
*io.PipeWriter
}
type pipeAddr int
func (pipeAddr) Network() string {
return "pipe"
}
func (pipeAddr) String() string {
return "pipe"
}
func (p *pipe) Close() error {
err := p.PipeReader.Close()
err1 := p.PipeWriter.Close()
if err == nil {
err = err1
}
return err
}
func (p *pipe) LocalAddr() Addr {
return pipeAddr(0)
}
func (p *pipe) RemoteAddr() Addr {
return pipeAddr(0)
}
func (p *pipe) SetDeadline(t time.Time) error {
return errors.New("net.Pipe does not support deadlines")
}
func (p *pipe) SetReadDeadline(t time.Time) error {
return errors.New("net.Pipe does not support deadlines")
}
func (p *pipe) SetWriteDeadline(t time.Time) error {
return errors.New("net.Pipe does not support deadlines")
}