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authorIan Lance Taylor <ian@gcc.gnu.org>2013-07-16 06:54:42 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2013-07-16 06:54:42 +0000
commitbe47d6eceffd2c5dbbc1566d5eea490527fb2bd4 (patch)
tree0e8fda573576bb4181dba29d0e88380a8c38fafd /libgo/go/net/fd_windows.go
parentefb30cdeb003fd7c585ee0d7657340086abcbd9e (diff)
downloadgcc-be47d6eceffd2c5dbbc1566d5eea490527fb2bd4.tar.gz
libgo: Update to Go 1.1.1.
From-SVN: r200974
Diffstat (limited to 'libgo/go/net/fd_windows.go')
-rw-r--r--libgo/go/net/fd_windows.go50
1 files changed, 26 insertions, 24 deletions
diff --git a/libgo/go/net/fd_windows.go b/libgo/go/net/fd_windows.go
index ea6ef10ec1a..fefd174bafa 100644
--- a/libgo/go/net/fd_windows.go
+++ b/libgo/go/net/fd_windows.go
@@ -37,6 +37,7 @@ func sysInit() {
}
canCancelIO = syscall.LoadCancelIoEx() == nil
if syscall.LoadGetAddrInfo() == nil {
+ lookupPort = newLookupPort
lookupIP = newLookupIP
}
}
@@ -53,18 +54,17 @@ func canUseConnectEx(net string) bool {
return syscall.LoadConnectEx() == nil
}
-func dialTimeout(net, addr string, timeout time.Duration) (Conn, error) {
+func resolveAndDial(net, addr string, localAddr Addr, deadline time.Time) (Conn, error) {
if !canUseConnectEx(net) {
// Use the relatively inefficient goroutine-racing
// implementation of DialTimeout.
- return dialTimeoutRace(net, addr, timeout)
+ return resolveAndDialChannel(net, addr, localAddr, deadline)
}
- deadline := time.Now().Add(timeout)
- _, addri, err := resolveNetAddr("dial", net, addr, deadline)
+ ra, err := resolveAddr("dial", net, addr, deadline)
if err != nil {
return nil, err
}
- return dialAddr(net, addr, addri, deadline)
+ return dial(net, addr, localAddr, ra, deadline)
}
// Interface for all IO operations.
@@ -137,12 +137,18 @@ type resultSrv struct {
iocp syscall.Handle
}
+func runtime_blockingSyscallHint()
+
func (s *resultSrv) Run() {
var o *syscall.Overlapped
var key uint32
var r ioResult
for {
- r.err = syscall.GetQueuedCompletionStatus(s.iocp, &(r.qty), &key, &o, syscall.INFINITE)
+ r.err = syscall.GetQueuedCompletionStatus(s.iocp, &(r.qty), &key, &o, 0)
+ if r.err == syscall.Errno(syscall.WAIT_TIMEOUT) && o == nil {
+ runtime_blockingSyscallHint()
+ r.err = syscall.GetQueuedCompletionStatus(s.iocp, &(r.qty), &key, &o, syscall.INFINITE)
+ }
switch {
case r.err == nil:
// Dequeued successfully completed IO packet.
@@ -358,22 +364,23 @@ func (o *connectOp) Name() string {
return "ConnectEx"
}
-func (fd *netFD) connect(ra syscall.Sockaddr) error {
+func (fd *netFD) connect(la, ra syscall.Sockaddr) error {
if !canUseConnectEx(fd.net) {
return syscall.Connect(fd.sysfd, ra)
}
// ConnectEx windows API requires an unconnected, previously bound socket.
- var la syscall.Sockaddr
- switch ra.(type) {
- case *syscall.SockaddrInet4:
- la = &syscall.SockaddrInet4{}
- case *syscall.SockaddrInet6:
- la = &syscall.SockaddrInet6{}
- default:
- panic("unexpected type in connect")
- }
- if err := syscall.Bind(fd.sysfd, la); err != nil {
- return err
+ if la == nil {
+ switch ra.(type) {
+ case *syscall.SockaddrInet4:
+ la = &syscall.SockaddrInet4{}
+ case *syscall.SockaddrInet6:
+ la = &syscall.SockaddrInet6{}
+ default:
+ panic("unexpected type in connect")
+ }
+ if err := syscall.Bind(fd.sysfd, la); err != nil {
+ return err
+ }
}
// Call ConnectEx API.
var o connectOp
@@ -618,15 +625,10 @@ func (fd *netFD) accept(toAddr func(syscall.Sockaddr) Addr) (*netFD, error) {
defer fd.decref()
// Get new socket.
- // See ../syscall/exec_unix.go for description of ForkLock.
- syscall.ForkLock.RLock()
- s, err := syscall.Socket(fd.family, fd.sotype, 0)
+ s, err := sysSocket(fd.family, fd.sotype, 0)
if err != nil {
- syscall.ForkLock.RUnlock()
return nil, &OpError{"socket", fd.net, fd.laddr, err}
}
- syscall.CloseOnExec(s)
- syscall.ForkLock.RUnlock()
// Associate our new socket with IOCP.
onceStartServer.Do(startServer)