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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
---|---|---|
committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/go/net/newpollserver_rtems.go | |
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Diffstat (limited to 'libgo/go/net/newpollserver_rtems.go')
-rw-r--r-- | libgo/go/net/newpollserver_rtems.go | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libgo/go/net/newpollserver_rtems.go b/libgo/go/net/newpollserver_rtems.go new file mode 100644 index 000000000..05cb71a54 --- /dev/null +++ b/libgo/go/net/newpollserver_rtems.go @@ -0,0 +1,78 @@ +// 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 selfConnectedTCPSocket() (pr, pw *os.File, err os.Error) { + // See ../syscall/exec.go for description of ForkLock. + syscall.ForkLock.RLock() + sockfd, e := syscall.Socket(syscall.AF_INET, syscall.SOCK_STREAM, 0) + if e != 0 { + syscall.ForkLock.RUnlock() + return nil, nil, os.Errno(e) + } + syscall.CloseOnExec(sockfd) + syscall.ForkLock.RUnlock() + + // Allow reuse of recently-used addresses. + syscall.SetsockoptInt(sockfd, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1) + + var laTCP *TCPAddr + var la syscall.Sockaddr + if laTCP, err = ResolveTCPAddr("127.0.0.1:0"); err != nil { + Error: + return nil, nil, err + } + if la, err = laTCP.sockaddr(syscall.AF_INET); err != nil { + goto Error + } + e = syscall.Bind(sockfd, la) + if e != 0 { + Errno: + syscall.Close(sockfd) + return nil, nil, os.Errno(e) + } + + laddr, _ := syscall.Getsockname(sockfd) + e = syscall.Connect(sockfd, laddr) + if e != 0 { + goto Errno + } + + fd := os.NewFile(sockfd, "wakeupSocket") + return fd, fd, nil +} + +func newPollServer() (s *pollServer, err os.Error) { + s = new(pollServer) + s.cr = make(chan *netFD, 1) + s.cw = make(chan *netFD, 1) + // s.pr and s.pw are indistinguishable. + if s.pr, s.pw, err = selfConnectedTCPSocket(); 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() + return nil, err + } + 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 +} |