From 94252f4bcc0a3f487b804ce535cb77b8bef4db83 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <ian@gcc.gnu.org>
Date: Thu, 9 Feb 2012 08:19:58 +0000
Subject: libgo: Update to weekly.2012-02-07.

From-SVN: r184034
---
 libgo/go/net/fd.go | 39 +++++++++++++++++----------------------
 1 file changed, 17 insertions(+), 22 deletions(-)

(limited to 'libgo/go/net/fd.go')

diff --git a/libgo/go/net/fd.go b/libgo/go/net/fd.go
index 495ef00..2352d22 100644
--- a/libgo/go/net/fd.go
+++ b/libgo/go/net/fd.go
@@ -43,12 +43,6 @@ type netFD struct {
 	ncr, ncw int
 }
 
-type InvalidConnError struct{}
-
-func (e *InvalidConnError) Error() string   { return "invalid net.Conn" }
-func (e *InvalidConnError) Temporary() bool { return false }
-func (e *InvalidConnError) Timeout() bool   { return false }
-
 // A pollServer helps FDs determine when to retry a non-blocking
 // read or write after they get EAGAIN.  When an FD needs to wait,
 // send the fd on s.cr (for a read) or s.cw (for a write) to pass the
@@ -275,20 +269,20 @@ func startServer() {
 	pollserver = p
 }
 
-func newFD(fd, family, sotype int, net string) (f *netFD, err error) {
+func newFD(fd, family, sotype int, net string) (*netFD, error) {
 	onceStartServer.Do(startServer)
-	if e := syscall.SetNonblock(fd, true); e != nil {
-		return nil, e
+	if err := syscall.SetNonblock(fd, true); err != nil {
+		return nil, err
 	}
-	f = &netFD{
+	netfd := &netFD{
 		sysfd:  fd,
 		family: family,
 		sotype: sotype,
 		net:    net,
 	}
-	f.cr = make(chan bool, 1)
-	f.cw = make(chan bool, 1)
-	return f, nil
+	netfd.cr = make(chan bool, 1)
+	netfd.cw = make(chan bool, 1)
+	return netfd, nil
 }
 
 func (fd *netFD) setAddr(laddr, raddr Addr) {
@@ -304,8 +298,8 @@ func (fd *netFD) setAddr(laddr, raddr Addr) {
 	fd.sysfile = os.NewFile(fd.sysfd, fd.net+":"+ls+"->"+rs)
 }
 
-func (fd *netFD) connect(ra syscall.Sockaddr) (err error) {
-	err = syscall.Connect(fd.sysfd, ra)
+func (fd *netFD) connect(ra syscall.Sockaddr) error {
+	err := syscall.Connect(fd.sysfd, ra)
 	if err == syscall.EINPROGRESS {
 		pollserver.WaitWrite(fd)
 		var e int
@@ -466,7 +460,7 @@ func (fd *netFD) ReadMsg(p []byte, oob []byte) (n, oobn, flags int, sa syscall.S
 	return
 }
 
-func (fd *netFD) Write(p []byte) (n int, err error) {
+func (fd *netFD) Write(p []byte) (int, error) {
 	if fd == nil {
 		return 0, os.EINVAL
 	}
@@ -477,8 +471,9 @@ func (fd *netFD) Write(p []byte) (n int, err error) {
 	if fd.sysfile == nil {
 		return 0, os.EINVAL
 	}
-	nn := 0
 
+	var err error
+	nn := 0
 	for {
 		var n int
 		n, err = syscall.Write(fd.sysfile.Fd(), p[nn:])
@@ -565,7 +560,7 @@ func (fd *netFD) WriteMsg(p []byte, oob []byte, sa syscall.Sockaddr) (n int, oob
 	return
 }
 
-func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err error) {
+func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (netfd *netFD, err error) {
 	if fd == nil || fd.sysfile == nil {
 		return nil, os.EINVAL
 	}
@@ -600,13 +595,13 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err err
 	syscall.CloseOnExec(s)
 	syscall.ForkLock.RUnlock()
 
-	if nfd, err = newFD(s, fd.family, fd.sotype, fd.net); err != nil {
+	if netfd, err = newFD(s, fd.family, fd.sotype, fd.net); err != nil {
 		syscall.Close(s)
 		return nil, err
 	}
-	lsa, _ := syscall.Getsockname(nfd.sysfd)
-	nfd.setAddr(toAddr(lsa), toAddr(rsa))
-	return nfd, nil
+	lsa, _ := syscall.Getsockname(netfd.sysfd)
+	netfd.setAddr(toAddr(lsa), toAddr(rsa))
+	return netfd, nil
 }
 
 func (fd *netFD) dup() (f *os.File, err error) {
-- 
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