54 lines
885 B
Go
54 lines
885 B
Go
// +build linux,386
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/* Copyright 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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package main
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import (
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"golang.org/x/sys/unix"
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"syscall"
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"unsafe"
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)
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const (
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_SENDMSG = 16
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_RECVMSG = 17
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)
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func sendmsg(fd int, msghdr *unix.Msghdr, flags int) (uintptr, uintptr, syscall.Errno) {
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args := struct {
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fd uintptr
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msghdr uintptr
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flags uintptr
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}{
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uintptr(fd),
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uintptr(unsafe.Pointer(msghdr)),
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uintptr(flags),
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}
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return unix.Syscall(
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unix.SYS_SOCKETCALL,
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_SENDMSG,
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uintptr(unsafe.Pointer(&args)),
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0,
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)
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}
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func recvmsg(fd int, msghdr *unix.Msghdr, flags int) (uintptr, uintptr, syscall.Errno) {
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args := struct {
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fd uintptr
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msghdr uintptr
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flags uintptr
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}{
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uintptr(fd),
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uintptr(unsafe.Pointer(msghdr)),
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uintptr(flags),
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}
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return unix.Syscall(
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unix.SYS_SOCKETCALL,
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_RECVMSG,
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uintptr(unsafe.Pointer(&args)),
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0,
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)
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}
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