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| author | Stefan Majewsky <majewsky@gmx.net> | 2019-10-29 16:51:07 +0100 |
|---|---|---|
| committer | Stefan Majewsky <majewsky@gmx.net> | 2019-10-29 16:51:07 +0100 |
| commit | afe18e86a7aa2248c69997ed941bcbe3e6b2a655 (patch) | |
| tree | 7aaef5752ba8ad3465e9638c7adca71e1a103ee3 /vendor/golang.org/x/sys/unix/sockcmsg_unix.go | |
| parent | ef84ca3e82f422118c69a0c562433c185e1dcb9b (diff) | |
| download | gofu-afe18e86a7aa2248c69997ed941bcbe3e6b2a655.tar.gz | |
switch to go.mod
Diffstat (limited to 'vendor/golang.org/x/sys/unix/sockcmsg_unix.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/sockcmsg_unix.go | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_unix.go b/vendor/golang.org/x/sys/unix/sockcmsg_unix.go index f1493a3..26e8b36 100644 --- a/vendor/golang.org/x/sys/unix/sockcmsg_unix.go +++ b/vendor/golang.org/x/sys/unix/sockcmsg_unix.go @@ -1,23 +1,37 @@ -// Copyright 2011 The Go Authors. All rights reserved. +// Copyright 2011 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. -// +build darwin dragonfly freebsd linux netbsd openbsd solaris +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris // Socket control messages package unix -import "unsafe" +import ( + "runtime" + "unsafe" +) // Round the length of a raw sockaddr up to align it properly. func cmsgAlignOf(salen int) int { - salign := sizeofPtr - // NOTE: It seems like 64-bit Darwin and DragonFly BSD kernels - // still require 32-bit aligned access to network subsystem. - if darwin64Bit || dragonfly64Bit { - salign = 4 + salign := SizeofPtr + + switch runtime.GOOS { + case "darwin", "dragonfly", "solaris": + // NOTE: It seems like 64-bit Darwin, DragonFly BSD and + // Solaris kernels still require 32-bit aligned access to + // network subsystem. + if SizeofPtr == 8 { + salign = 4 + } + case "netbsd", "openbsd": + // NetBSD and OpenBSD armv7 require 64-bit alignment. + if runtime.GOARCH == "arm" { + salign = 8 + } } + return (salen + salign - 1) & ^(salign - 1) } |
