Mikio Hara | b8b1343 | 2017-03-16 05:58:54 +0900 | [diff] [blame] | 1 | // Copyright 2017 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
Guoqi Chen | d55c255 | 2021-10-13 09:29:24 +0800 | [diff] [blame] | 5 | //go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux |
| 6 | // +build arm64 amd64 loong64 ppc64 ppc64le mips64 mips64le riscv64 s390x |
Mikio Hara | b8b1343 | 2017-03-16 05:58:54 +0900 | [diff] [blame] | 7 | // +build linux |
| 8 | |
| 9 | package socket |
| 10 | |
| 11 | import "unsafe" |
| 12 | |
| 13 | func (h *msghdr) setIov(vs []iovec) { |
Mikio Hara | 4f8c76a | 2017-10-03 12:23:07 +0900 | [diff] [blame] | 14 | l := len(vs) |
| 15 | if l == 0 { |
| 16 | return |
| 17 | } |
Mikio Hara | b8b1343 | 2017-03-16 05:58:54 +0900 | [diff] [blame] | 18 | h.Iov = &vs[0] |
Mikio Hara | 4f8c76a | 2017-10-03 12:23:07 +0900 | [diff] [blame] | 19 | h.Iovlen = uint64(l) |
Mikio Hara | b8b1343 | 2017-03-16 05:58:54 +0900 | [diff] [blame] | 20 | } |
| 21 | |
| 22 | func (h *msghdr) setControl(b []byte) { |
| 23 | h.Control = (*byte)(unsafe.Pointer(&b[0])) |
| 24 | h.Controllen = uint64(len(b)) |
| 25 | } |