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42 lines
1.2 KiB
Go
42 lines
1.2 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"internal/syscall/windows"
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"os"
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"syscall"
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)
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func maxListenerBacklog() int {
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// TODO: Implement this
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// NOTE: Never return a number bigger than 1<<16 - 1. See issue 5030.
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return syscall.SOMAXCONN
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}
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func sysSocket(family, sotype, proto int) (syscall.Handle, error) {
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s, err := wsaSocketFunc(int32(family), int32(sotype), int32(proto),
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nil, 0, windows.WSA_FLAG_OVERLAPPED|windows.WSA_FLAG_NO_HANDLE_INHERIT)
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if err == nil {
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return s, nil
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}
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// WSA_FLAG_NO_HANDLE_INHERIT flag is not supported on some
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// old versions of Windows, see
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// https://msdn.microsoft.com/en-us/library/windows/desktop/ms742212(v=vs.85).aspx
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// for details. Just use syscall.Socket, if windows.WSASocket failed.
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// See ../syscall/exec_unix.go for description of ForkLock.
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syscall.ForkLock.RLock()
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s, err = socketFunc(family, sotype, proto)
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if err == nil {
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syscall.CloseOnExec(s)
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}
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syscall.ForkLock.RUnlock()
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if err != nil {
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return syscall.InvalidHandle, os.NewSyscallError("socket", err)
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}
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return s, nil
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}
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