1
0
mirror of https://github.com/golang/go synced 2024-11-19 05:44:40 -07:00

net: use closesocket api instead of CloseHandle on Windows

thanks to piotrnar for the original CL.
Fixes #1371.

R=rsc
CC=golang-dev
https://golang.org/cl/3834042
This commit is contained in:
Alex Brainman 2011-01-12 15:55:17 +11:00
parent a80cdcbe0a
commit 3a052b5f54
8 changed files with 53 additions and 42 deletions

View File

@ -606,3 +606,7 @@ func (fd *netFD) dup() (f *os.File, err os.Error) {
return os.NewFile(ns, fd.sysfile.Name()), nil
}
func closesocket(s int) (errno int) {
return syscall.Close(s)
}

View File

@ -9,6 +9,7 @@ import (
"sync"
"syscall"
"unsafe"
"runtime"
)
// BUG(brainman): The Windows implementation does not implement SetTimeout.
@ -28,15 +29,14 @@ type netFD struct {
closing bool
// immutable until Close
sysfd int
family int
proto int
sysfile *os.File
cr chan *ioResult
cw chan *ioResult
net string
laddr Addr
raddr Addr
sysfd int
family int
proto int
cr chan *ioResult
cw chan *ioResult
net string
laddr Addr
raddr Addr
// owned by client
rdeadline_delta int64
@ -149,14 +149,7 @@ func newFD(fd, family, proto int, net string, laddr, raddr Addr) (f *netFD, err
laddr: laddr,
raddr: raddr,
}
var ls, rs string
if laddr != nil {
ls = laddr.String()
}
if raddr != nil {
rs = raddr.String()
}
f.sysfile = os.NewFile(fd, net+":"+ls+"->"+rs)
runtime.SetFinalizer(f, (*netFD).Close)
return f, nil
}
@ -178,15 +171,16 @@ func (fd *netFD) decref() {
// can handle the extra OS processes. Otherwise we'll need to
// use the pollserver for Close too. Sigh.
syscall.SetNonblock(fd.sysfd, false)
fd.sysfile.Close()
fd.sysfile = nil
closesocket(fd.sysfd)
fd.sysfd = -1
// no need for a finalizer anymore
runtime.SetFinalizer(fd, nil)
}
fd.sysmu.Unlock()
}
func (fd *netFD) Close() os.Error {
if fd == nil || fd.sysfile == nil {
if fd == nil || fd.sysfd == -1 {
return os.EINVAL
}
@ -213,7 +207,7 @@ func (fd *netFD) Read(p []byte) (n int, err os.Error) {
defer fd.rio.Unlock()
fd.incref()
defer fd.decref()
if fd.sysfile == nil {
if fd.sysfd == -1 {
return 0, os.EINVAL
}
// Submit receive request.
@ -253,7 +247,7 @@ func (fd *netFD) ReadFrom(p []byte) (n int, sa syscall.Sockaddr, err os.Error) {
defer fd.rio.Unlock()
fd.incref()
defer fd.decref()
if fd.sysfile == nil {
if fd.sysfd == -1 {
return 0, nil, os.EINVAL
}
// Submit receive request.
@ -290,7 +284,7 @@ func (fd *netFD) Write(p []byte) (n int, err os.Error) {
defer fd.wio.Unlock()
fd.incref()
defer fd.decref()
if fd.sysfile == nil {
if fd.sysfd == -1 {
return 0, os.EINVAL
}
// Submit send request.
@ -326,7 +320,7 @@ func (fd *netFD) WriteTo(p []byte, sa syscall.Sockaddr) (n int, err os.Error) {
defer fd.wio.Unlock()
fd.incref()
defer fd.decref()
if fd.sysfile == nil {
if fd.sysfd == -1 {
return 0, os.EINVAL
}
// Submit send request.
@ -352,7 +346,7 @@ func (fd *netFD) WriteTo(p []byte, sa syscall.Sockaddr) (n int, err os.Error) {
}
func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err os.Error) {
if fd == nil || fd.sysfile == nil {
if fd == nil || fd.sysfd == -1 {
return nil, os.EINVAL
}
fd.incref()
@ -387,21 +381,21 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err os.
case syscall.ERROR_IO_PENDING:
// IO started, and we have to wait for it's completion.
default:
syscall.Close(s)
closesocket(s)
return nil, &OpError{"AcceptEx", fd.net, fd.laddr, os.Errno(e)}
}
// Wait for peer connection.
r := <-pckt.c
if r.errno != 0 {
syscall.Close(s)
closesocket(s)
return nil, &OpError{"AcceptEx", fd.net, fd.laddr, os.Errno(r.errno)}
}
// Inherit properties of the listening socket.
e = syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_UPDATE_ACCEPT_CONTEXT, fd.sysfd)
if e != 0 {
syscall.Close(s)
closesocket(s)
return nil, &OpError{"Setsockopt", fd.net, fd.laddr, os.Errno(r.errno)}
}
@ -422,17 +416,14 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (nfd *netFD, err os.
laddr: laddr,
raddr: raddr,
}
var ls, rs string
if laddr != nil {
ls = laddr.String()
}
if raddr != nil {
rs = raddr.String()
}
f.sysfile = os.NewFile(s, fd.net+":"+ls+"->"+rs)
runtime.SetFinalizer(f, (*netFD).Close)
return f, nil
}
func closesocket(s int) (errno int) {
return syscall.Closesocket(int32(s))
}
func init() {
var d syscall.WSAData
e := syscall.WSAStartup(uint32(0x101), &d)

View File

@ -24,7 +24,7 @@ func kernelSupportsIPv6() bool {
}
fd, e := syscall.Socket(syscall.AF_INET6, syscall.SOCK_STREAM, syscall.IPPROTO_TCP)
if fd >= 0 {
syscall.Close(fd)
closesocket(fd)
}
return e == 0
}

View File

@ -47,7 +47,7 @@ func socket(net string, f, p, t int, la, ra syscall.Sockaddr, toAddr func(syscal
if la != nil {
e = syscall.Bind(s, la)
if e != 0 {
syscall.Close(s)
closesocket(s)
return nil, os.Errno(e)
}
}
@ -55,7 +55,7 @@ func socket(net string, f, p, t int, la, ra syscall.Sockaddr, toAddr func(syscal
if ra != nil {
e = syscall.Connect(s, ra)
if e != 0 {
syscall.Close(s)
closesocket(s)
return nil, os.Errno(e)
}
}
@ -67,7 +67,7 @@ func socket(net string, f, p, t int, la, ra syscall.Sockaddr, toAddr func(syscal
fd, err = newFD(s, f, p, net, laddr, raddr)
if err != nil {
syscall.Close(s)
closesocket(s)
return nil, err
}

View File

@ -244,7 +244,7 @@ func ListenTCP(net string, laddr *TCPAddr) (l *TCPListener, err os.Error) {
}
errno := syscall.Listen(fd.sysfd, listenBacklog())
if errno != 0 {
syscall.Close(fd.sysfd)
closesocket(fd.sysfd)
return nil, &OpError{"listen", "tcp", laddr, os.Errno(errno)}
}
l = new(TCPListener)

View File

@ -342,7 +342,7 @@ func ListenUnix(net string, laddr *UnixAddr) (l *UnixListener, err os.Error) {
}
e1 := syscall.Listen(fd.sysfd, 8) // listenBacklog());
if e1 != 0 {
syscall.Close(fd.sysfd)
closesocket(fd.sysfd)
return nil, &OpError{Op: "listen", Net: "unix", Addr: laddr, Error: os.Errno(e1)}
}
return &UnixListener{fd, laddr.Name}, nil

View File

@ -469,6 +469,7 @@ func Utimes(path string, tv []Timeval) (errno int) {
//sys getpeername(s int32, rsa *RawSockaddrAny, addrlen *int32) (errno int) [failretval==-1] = wsock32.getpeername
//sys listen(s int32, backlog int32) (errno int) [failretval==-1] = wsock32.listen
//sys shutdown(s int32, how int32) (errno int) [failretval==-1] = wsock32.shutdown
//sys Closesocket(s int32) (errno int) [failretval==-1] = wsock32.closesocket
//sys AcceptEx(ls uint32, as uint32, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (ok bool, errno int) = wsock32.AcceptEx
//sys GetAcceptExSockaddrs(buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, lrsa **RawSockaddrAny, lrsalen *int32, rrsa **RawSockaddrAny, rrsalen *int32) = wsock32.GetAcceptExSockaddrs
//sys WSARecv(s uint32, bufs *WSABuf, bufcnt uint32, recvd *uint32, flags *uint32, overlapped *Overlapped, croutine *byte) (errno int) [failretval==-1] = ws2_32.WSARecv

View File

@ -75,6 +75,7 @@ var (
procgetpeername = getSysProcAddr(modwsock32, "getpeername")
proclisten = getSysProcAddr(modwsock32, "listen")
procshutdown = getSysProcAddr(modwsock32, "shutdown")
procclosesocket = getSysProcAddr(modwsock32, "closesocket")
procAcceptEx = getSysProcAddr(modwsock32, "AcceptEx")
procGetAcceptExSockaddrs = getSysProcAddr(modwsock32, "GetAcceptExSockaddrs")
procWSARecv = getSysProcAddr(modws2_32, "WSARecv")
@ -977,6 +978,20 @@ func shutdown(s int32, how int32) (errno int) {
return
}
func Closesocket(s int32) (errno int) {
r1, _, e1 := Syscall(procclosesocket, uintptr(s), 0, 0)
if int(r1) == -1 {
if e1 != 0 {
errno = int(e1)
} else {
errno = EINVAL
}
} else {
errno = 0
}
return
}
func AcceptEx(ls uint32, as uint32, buf *byte, rxdatalen uint32, laddrlen uint32, raddrlen uint32, recvd *uint32, overlapped *Overlapped) (ok bool, errno int) {
r0, _, e1 := Syscall9(procAcceptEx, uintptr(ls), uintptr(as), uintptr(unsafe.Pointer(buf)), uintptr(rxdatalen), uintptr(laddrlen), uintptr(raddrlen), uintptr(unsafe.Pointer(recvd)), uintptr(unsafe.Pointer(overlapped)), 0)
ok = bool(r0 != 0)