net_windows.go

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package windows
     6  
     7  import (
     8  	"syscall"
     9  	_ "unsafe"
    10  )
    11  
    12  //go:linkname WSASendtoInet4 syscall.wsaSendtoInet4
    13  //go:noescape
    14  func WSASendtoInet4(s syscall.Handle, bufs *syscall.WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *syscall.SockaddrInet4, overlapped *syscall.Overlapped, croutine *byte) (err error)
    15  
    16  //go:linkname WSASendtoInet6 syscall.wsaSendtoInet6
    17  //go:noescape
    18  func WSASendtoInet6(s syscall.Handle, bufs *syscall.WSABuf, bufcnt uint32, sent *uint32, flags uint32, to *syscall.SockaddrInet6, overlapped *syscall.Overlapped, croutine *byte) (err error)
    19  
    20  const (
    21  	SO_TYPE                                = 0x1008
    22  	SO_PROTOCOL_INFOW                      = 0x2005
    23  	SIO_TCP_INITIAL_RTO                    = syscall.IOC_IN | syscall.IOC_VENDOR | 17
    24  	TCP_INITIAL_RTO_UNSPECIFIED_RTT        = ^uint16(0)
    25  	TCP_INITIAL_RTO_NO_SYN_RETRANSMISSIONS = ^uint8(1)
    26  )
    27  
    28  type TCP_INITIAL_RTO_PARAMETERS struct {
    29  	Rtt                   uint16
    30  	MaxSynRetransmissions uint8
    31  }
    32
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