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moby--moby/vendor/golang.org/x/sys/unix/sockcmsg_dragonfly.go
liuxiaodong ee5aa536d1
update vendor golang.org/x/sys to 6d18c012aee9febd81bbf9806760c8c4480e870d
full diff: c990c680b6...6d18c012ae

    execute "docker run -it {image name} /bin/sh" no response on mip64el platform;
    EpollEvent struct define lack a field named PadFd;
    add the field "PadFd";
    execute docker run -it {image} /bin/sh for test after rebuilded.

Signed-off-by: liuxiaodong <liuxiaodong@loongson.cn>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-12-16 14:07:51 +01:00

16 lines
544 B
Go

// 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.
package unix
// Round the length of a raw sockaddr up to align it properly.
func cmsgAlignOf(salen int) int {
salign := SizeofPtr
if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
// 64-bit Dragonfly before the September 2019 ABI changes still requires
// 32-bit aligned access to network subsystem.
salign = 4
}
return (salen + salign - 1) & ^(salign - 1)
}