diff options
Diffstat (limited to 'libgo/go/net/newpollserver.go')
-rw-r--r-- | libgo/go/net/newpollserver.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libgo/go/net/newpollserver.go b/libgo/go/net/newpollserver.go new file mode 100644 index 0000000..820e70b --- /dev/null +++ b/libgo/go/net/newpollserver.go @@ -0,0 +1,41 @@ +// 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 ( + "os" + "syscall" +) + +func newPollServer() (s *pollServer, err os.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 + } + var e int + if e = syscall.SetNonblock(s.pr.Fd(), true); e != 0 { + Errno: + err = &os.PathError{"setnonblock", s.pr.Name(), os.Errno(e)} + Error: + s.pr.Close() + s.pw.Close() + return nil, err + } + if e = syscall.SetNonblock(s.pw.Fd(), true); e != 0 { + goto Errno + } + if s.poll, err = newpollster(); err != nil { + goto Error + } + if err = s.poll.AddFD(s.pr.Fd(), 'r', true); err != nil { + s.poll.Close() + goto Error + } + s.pending = make(map[int]*netFD) + go s.Run() + return s, nil +} |