1 files changed, 0 insertions, 182 deletions
diff --git a/libgo/go/net/fd_select.go b/libgo/go/net/fd_select.go
deleted file mode 100644
index 4103c57e2c..0000000000
--- a/libgo/go/net/fd_select.go
+++ /dev/null
@@ -1,182 +0,0 @@
-// 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.
-
-// Waiting for FDs via select(2).
-
-package net
-
-import (
-	"errors"
-	"os"
-	"syscall"
-)
-
-type pollster struct {
-	readFds, writeFds, repeatFds *syscall.FdSet
-	maxFd                        int
-	readyReadFds, readyWriteFds  *syscall.FdSet
-	nReady                       int
-	lastFd                       int
-	closed                       bool
-}
-
-func newpollster() (p *pollster, err error) {
-	p = new(pollster)
-	p.readFds = new(syscall.FdSet)
-	p.writeFds = new(syscall.FdSet)
-	p.repeatFds = new(syscall.FdSet)
-	p.readyReadFds = new(syscall.FdSet)
-	p.readyWriteFds = new(syscall.FdSet)
-	p.maxFd = -1
-	p.nReady = 0
-	p.lastFd = 0
-	return p, nil
-}
-
-func (p *pollster) AddFD(fd int, mode int, repeat bool) (bool, error) {
-	// pollServer is locked.
-
-	if p.closed {
-		return false, errors.New("pollster closed")
-	}
-
-	if mode == 'r' {
-		syscall.FDSet(fd, p.readFds)
-	} else {
-		syscall.FDSet(fd, p.writeFds)
-	}
-
-	if repeat {
-		syscall.FDSet(fd, p.repeatFds)
-	}
-
-	if fd > p.maxFd {
-		p.maxFd = fd
-	}
-
-	return true, nil
-}
-
-func (p *pollster) DelFD(fd int, mode int) bool {
-	// pollServer is locked.
-
-	if p.closed {
-		return false
-	}
-
-	if mode == 'r' {
-		if !syscall.FDIsSet(fd, p.readFds) {
-			print("Select unexpected fd=", fd, " for read\n")
-			return false
-		}
-		syscall.FDClr(fd, p.readFds)
-	} else {
-		if !syscall.FDIsSet(fd, p.writeFds) {
-			print("Select unexpected fd=", fd, " for write\n")
-			return false
-		}
-		syscall.FDClr(fd, p.writeFds)
-	}
-
-	// Doesn't matter if not already present.
-	syscall.FDClr(fd, p.repeatFds)
-
-	// We don't worry about maxFd here.
-
-	return true
-}
-
-func (p *pollster) WaitFD(s *pollServer, nsec int64) (fd int, mode int, err error) {
-	if p.nReady == 0 {
-		var timeout *syscall.Timeval
-		var tv syscall.Timeval
-		timeout = nil
-		if nsec > 0 {
-			tv = syscall.NsecToTimeval(nsec)
-			timeout = &tv
-		}
-
-		var n int
-		var e error
-		var tmpReadFds, tmpWriteFds syscall.FdSet
-		for {
-			if p.closed {
-				return -1, 0, errors.New("pollster closed")
-			}
-
-			// Temporary syscall.FdSet's into which the values are copied
-			// because select mutates the values.
-			tmpReadFds = *p.readFds
-			tmpWriteFds = *p.writeFds
-
-			s.Unlock()
-			n, e = syscall.Select(p.maxFd+1, &tmpReadFds, &tmpWriteFds, nil, timeout)
-			s.Lock()
-
-			if e != syscall.EINTR {
-				break
-			}
-		}
-		if e == syscall.EBADF {
-			// Some file descriptor has been closed.
-			tmpReadFds = syscall.FdSet{}
-			tmpWriteFds = syscall.FdSet{}
-			n = 0
-			for i := 0; i < p.maxFd+1; i++ {
-				if syscall.FDIsSet(i, p.readFds) {
-					var s syscall.Stat_t
-					if syscall.Fstat(i, &s) == syscall.EBADF {
-						syscall.FDSet(i, &tmpReadFds)
-						n++
-					}
-				} else if syscall.FDIsSet(i, p.writeFds) {
-					var s syscall.Stat_t
-					if syscall.Fstat(i, &s) == syscall.EBADF {
-						syscall.FDSet(i, &tmpWriteFds)
-						n++
-					}
-				}
-			}
-		} else if e != nil {
-			return -1, 0, os.NewSyscallError("select", e)
-		}
-		if n == 0 {
-			return -1, 0, nil
-		}
-
-		p.nReady = n
-		*p.readyReadFds = tmpReadFds
-		*p.readyWriteFds = tmpWriteFds
-		p.lastFd = 0
-	}
-
-	flag := false
-	for i := p.lastFd; i < p.maxFd+1; i++ {
-		if syscall.FDIsSet(i, p.readyReadFds) {
-			flag = true
-			mode = 'r'
-			syscall.FDClr(i, p.readyReadFds)
-		} else if syscall.FDIsSet(i, p.readyWriteFds) {
-			flag = true
-			mode = 'w'
-			syscall.FDClr(i, p.readyWriteFds)
-		}
-		if flag {
-			if !syscall.FDIsSet(i, p.repeatFds) {
-				p.DelFD(i, mode)
-			}
-			p.nReady--
-			p.lastFd = i
-			return i, mode, nil
-		}
-	}
-
-	// Will not reach here.  Just to shut up the compiler.
-	return -1, 0, nil
-}
-
-func (p *pollster) Close() error {
-	p.closed = true
-	return nil
-}