mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-25 15:21:16 +00:00
33 lines
639 B
Go
33 lines
639 B
Go
// Copyright 2017 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 socket
|
|
|
|
import (
|
|
"encoding/binary"
|
|
"unsafe"
|
|
)
|
|
|
|
var (
|
|
// NativeEndian is the machine native endian implementation of
|
|
// ByteOrder.
|
|
NativeEndian binary.ByteOrder
|
|
|
|
kernelAlign int
|
|
)
|
|
|
|
func init() {
|
|
i := uint32(1)
|
|
b := (*[4]byte)(unsafe.Pointer(&i))
|
|
if b[0] == 1 {
|
|
NativeEndian = binary.LittleEndian
|
|
} else {
|
|
NativeEndian = binary.BigEndian
|
|
}
|
|
kernelAlign = probeProtocolStack()
|
|
}
|
|
|
|
func roundup(l int) int {
|
|
return (l + kernelAlign - 1) &^ (kernelAlign - 1)
|
|
}
|