go/src/internal/syscall/unix/net.go
Josh Bleecher Snyder 37634eeff9 net: remove the alloc from ReadMsgUDPAddrPort
name                          old time/op    new time/op    delta
ReadWriteMsgUDPAddrPort-8       4.95µs ± 5%    4.55µs ± 1%    -7.96%  (p=0.016 n=5+4)

name                          old alloc/op   new alloc/op   delta
ReadWriteMsgUDPAddrPort-8        32.0B ± 0%      0.0B       -100.00%  (p=0.008 n=5+5)

name                          old allocs/op  new allocs/op  delta
ReadWriteMsgUDPAddrPort-8         1.00 ± 0%      0.00       -100.00%  (p=0.008 n=5+5)

Change-Id: Ib968c6f2968926ec9a364dd52063cd0d7c29b10c
Reviewed-on: https://go-review.googlesource.com/c/go/+/360862
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2021-11-04 21:52:06 +00:00

44 lines
1.6 KiB
Go

// Copyright 2021 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.
//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
package unix
import (
"syscall"
_ "unsafe"
)
//go:linkname RecvfromInet4 syscall.recvfromInet4
//go:noescape
func RecvfromInet4(fd int, p []byte, flags int, from *syscall.SockaddrInet4) (int, error)
//go:linkname RecvfromInet6 syscall.recvfromInet6
//go:noescape
func RecvfromInet6(fd int, p []byte, flags int, from *syscall.SockaddrInet6) (n int, err error)
//go:linkname SendtoInet4 syscall.sendtoInet4
//go:noescape
func SendtoInet4(fd int, p []byte, flags int, to syscall.SockaddrInet4) (err error)
//go:linkname SendtoInet6 syscall.sendtoInet6
//go:noescape
func SendtoInet6(fd int, p []byte, flags int, to syscall.SockaddrInet6) (err error)
//go:linkname SendmsgNInet4 syscall.sendmsgNInet4
//go:noescape
func SendmsgNInet4(fd int, p, oob []byte, to syscall.SockaddrInet4, flags int) (n int, err error)
//go:linkname SendmsgNInet6 syscall.sendmsgNInet6
//go:noescape
func SendmsgNInet6(fd int, p, oob []byte, to syscall.SockaddrInet6, flags int) (n int, err error)
//go:linkname RecvmsgInet4 syscall.recvmsgInet4
//go:noescape
func RecvmsgInet4(fd int, p, oob []byte, flags int, from *syscall.SockaddrInet4) (n, oobn int, recvflags int, err error)
//go:linkname RecvmsgInet6 syscall.recvmsgInet6
//go:noescape
func RecvmsgInet6(fd int, p, oob []byte, flags int, from *syscall.SockaddrInet6) (n, oobn int, recvflags int, err error)