| // Copyright 2009 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 ipv6 | |
| import ( | |
| "syscall" | |
| "unsafe" | |
| ) | |
| const ( | |
| sysGETSOCKOPT = 0xf | |
| sysSETSOCKOPT = 0xe | |
| ) | |
| func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (int, syscall.Errno) | |
| func getsockopt(fd, level, name int, v unsafe.Pointer, l *uint32) error { | |
| if _, errno := socketcall(sysGETSOCKOPT, uintptr(fd), uintptr(level), uintptr(name), uintptr(v), uintptr(unsafe.Pointer(l)), 0); errno != 0 { | |
| return error(errno) | |
| } | |
| return nil | |
| } | |
| func setsockopt(fd, level, name int, v unsafe.Pointer, l uint32) error { | |
| if _, errno := socketcall(sysSETSOCKOPT, uintptr(fd), uintptr(level), uintptr(name), uintptr(v), uintptr(l), 0); errno != 0 { | |
| return error(errno) | |
| } | |
| return nil | |
| } |