diff options
author | uzhas <uzhas@ydb.tech> | 2023-11-16 16:04:50 +0300 |
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committer | uzhas <uzhas@ydb.tech> | 2023-11-16 17:46:46 +0300 |
commit | 46f0c0079bb50609d2eeb6586642bcf114fc5239 (patch) | |
tree | 84e4e4978d57fe5de321ba69bf9d0c290de60a66 /vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go | |
parent | 73045e389397816cc2bdd6cd7818b4bce427b265 (diff) | |
download | ydb-46f0c0079bb50609d2eeb6586642bcf114fc5239.tar.gz |
enable ya make for go projects
Diffstat (limited to 'vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go b/vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go new file mode 100644 index 0000000000..0840fe4a57 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go @@ -0,0 +1,47 @@ +// Copyright 2019 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 || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin freebsd linux netbsd openbsd solaris zos + +package unix + +import ( + "runtime" +) + +// Round the length of a raw sockaddr up to align it properly. +func cmsgAlignOf(salen int) int { + salign := SizeofPtr + + // dragonfly needs to check ABI version at runtime, see cmsgAlignOf in + // sockcmsg_dragonfly.go + switch runtime.GOOS { + case "aix": + // There is no alignment on AIX. + salign = 1 + case "darwin", "ios", "illumos", "solaris": + // NOTE: It seems like 64-bit Darwin, Illumos 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 + } + // NetBSD aarch64 requires 128-bit alignment. + if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" { + salign = 16 + } + case "zos": + // z/OS socket macros use [32-bit] sizeof(int) alignment, + // not pointer width. + salign = SizeofInt + } + + return (salen + salign - 1) & ^(salign - 1) +} |