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// Copyright 2012 Google, Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree.
// +build linux,386
package afpacket
import (
"unsafe"
"golang.org/x/sys/unix"
)
const (
sysSETSOCKOPT = 0xe
sysGETSOCKOPT = 0xf
)
func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (int, unix.Errno)
// setsockopt provides access to the setsockopt syscall.
func setsockopt(fd, level, name int, v unsafe.Pointer, l uintptr) error {
_, errno := socketcall(
sysSETSOCKOPT,
uintptr(fd),
uintptr(level),
uintptr(name),
uintptr(v),
l,
0,
)
if errno != 0 {
return error(errno)
}
return nil
}
func getsockopt(fd, level, name int, v unsafe.Pointer, l uintptr) error {
_, errno := socketcall(
sysGETSOCKOPT,
uintptr(fd),
uintptr(level),
uintptr(name),
uintptr(v),
l,
0,
)
if errno != 0 {
return error(errno)
}
return nil
}
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