mirror of
https://github.com/golang/go
synced 2024-10-04 14:31:21 -06:00
4152b43457
Delete O_NDELAY, O_NONBLOCK, O_NOCTTY, O_ASYNC. Clean up some docs. Rename ShellExpand -> ExpandEnv. Make NewFile take a uintptr; change File.Fd to return one. (for API compatibility between Unix and Windows) Fixes #2947 R=golang-dev, r CC=golang-dev https://golang.org/cl/5655045
49 lines
976 B
Go
49 lines
976 B
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.
|
|
|
|
// +build darwin freebsd linux netbsd openbsd
|
|
|
|
package net
|
|
|
|
import (
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
func newPollServer() (s *pollServer, err error) {
|
|
s = new(pollServer)
|
|
s.cr = make(chan *netFD, 1)
|
|
s.cw = make(chan *netFD, 1)
|
|
if s.pr, s.pw, err = os.Pipe(); err != nil {
|
|
return nil, err
|
|
}
|
|
if err = syscall.SetNonblock(int(s.pr.Fd()), true); err != nil {
|
|
goto Errno
|
|
}
|
|
if err = syscall.SetNonblock(int(s.pw.Fd()), true); err != nil {
|
|
goto Errno
|
|
}
|
|
if s.poll, err = newpollster(); err != nil {
|
|
goto Error
|
|
}
|
|
if _, err = s.poll.AddFD(int(s.pr.Fd()), 'r', true); err != nil {
|
|
s.poll.Close()
|
|
goto Error
|
|
}
|
|
s.pending = make(map[int]*netFD)
|
|
go s.Run()
|
|
return s, nil
|
|
|
|
Errno:
|
|
err = &os.PathError{
|
|
Op: "setnonblock",
|
|
Path: s.pr.Name(),
|
|
Err: err,
|
|
}
|
|
Error:
|
|
s.pr.Close()
|
|
s.pw.Close()
|
|
return nil, err
|
|
}
|