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| // Copyright 2018 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 !go1.12
|
| package socket
|
| import (
| "syscall"
| "unsafe"
| )
|
| func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
| l := uint32(len(b))
| _, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
| return int(l), errnoErr(errno)
| }
|
| func setsockopt(s uintptr, level, name int, b []byte) error {
| _, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
| return errnoErr(errno)
| }
|
| func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
| n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
| return int(n), errnoErr(errno)
| }
|
| func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
| n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
| return int(n), errnoErr(errno)
| }
|
|
