49 lines
976 B
Go
49 lines
976 B
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin freebsd linux netbsd openbsd
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package net
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import (
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"os"
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"syscall"
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)
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func newPollServer() (s *pollServer, err error) {
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s = new(pollServer)
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s.cr = make(chan *netFD, 1)
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s.cw = make(chan *netFD, 1)
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if s.pr, s.pw, err = os.Pipe(); err != nil {
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return nil, err
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}
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if err = syscall.SetNonblock(int(s.pr.Fd()), true); err != nil {
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goto Errno
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}
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if err = syscall.SetNonblock(int(s.pw.Fd()), true); err != nil {
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goto Errno
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}
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if s.poll, err = newpollster(); err != nil {
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goto Error
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}
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if _, err = s.poll.AddFD(int(s.pr.Fd()), 'r', true); err != nil {
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s.poll.Close()
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goto Error
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}
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s.pending = make(map[int]*netFD)
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go s.Run()
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return s, nil
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Errno:
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err = &os.PathError{
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Op: "setnonblock",
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Path: s.pr.Name(),
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Err: err,
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}
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Error:
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s.pr.Close()
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s.pw.Close()
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return nil, err
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}
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