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- // Copyright 2009 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 (
- "internal/syscall/windows"
- "os"
- "syscall"
- )
- func maxListenerBacklog() int {
- // TODO: Implement this
- // NOTE: Never return a number bigger than 1<<16 - 1. See issue 5030.
- return syscall.SOMAXCONN
- }
- func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
- s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
- nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
- if err == nil {
- return s, nil
- }
- // WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
- // old versions of Windows, see
- // https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
- // for details. Just use syscall.Socket, if windows.WSASocket failed.
- // See ../syscall/exec_unix.go for description of ForkLock.
- syscall.ForkLock.RLock()
- s, err = socketFunc(family, sotype, proto)
- if err == nil {
- syscall.CloseOnExec(s)
- }
- syscall.ForkLock.RUnlock()
- if err != nil {
- return syscall.InvalidHandle, os.NewSyscallError("socket", err)
- }
- return s, nil
- }
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