| David K. Bainbridge | 215e024 | 2017-09-05 23:18:24 -0700 | [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 | |
| 5 | // +build darwin dragonfly freebsd linux,!s390x,!386 netbsd openbsd |
| 6 | |
| 7 | package socket |
| 8 | |
| 9 | import ( |
| 10 | "syscall" |
| 11 | "unsafe" |
| 12 | ) |
| 13 | |
| 14 | func getsockopt(s uintptr, level, name int, b []byte) (int, error) { |
| 15 | l := uint32(len(b)) |
| 16 | _, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0) |
| 17 | return int(l), errnoErr(errno) |
| 18 | } |
| 19 | |
| 20 | func setsockopt(s uintptr, level, name int, b []byte) error { |
| 21 | _, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0) |
| 22 | return errnoErr(errno) |
| 23 | } |
| 24 | |
| 25 | func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { |
| 26 | n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags)) |
| 27 | return int(n), errnoErr(errno) |
| 28 | } |
| 29 | |
| 30 | func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { |
| 31 | n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags)) |
| 32 | return int(n), errnoErr(errno) |
| 33 | } |