| 188 | } |
| 189 | |
| 190 | func sendToLogger(name string, fd int) error { |
| 191 | var ctlSocket int |
| 192 | var err error |
| 193 | if ctlSocket, err = syscall.Socket(syscall.AF_UNIX, syscall.SOCK_DGRAM, 0); err != nil { |
| 194 | return err |
| 195 | } |
| 196 | |
| 197 | var ctlConn net.Conn |
| 198 | if ctlConn, err = net.FileConn(os.NewFile(uintptr(ctlSocket), "")); err != nil { |
| 199 | return err |
| 200 | } |
| 201 | defer ctlConn.Close() |
| 202 | |
| 203 | ctlUnixConn, ok := ctlConn.(*net.UnixConn) |
| 204 | if !ok { |
| 205 | // should never happen |
| 206 | log.Fatal("Internal error, invalid cast.") |
| 207 | } |
| 208 | |
| 209 | raddr := net.UnixAddr{Name: logWriteSocket, Net: "unixgram"} |
| 210 | oobs := syscall.UnixRights(fd) |
| 211 | _, _, err = ctlUnixConn.WriteMsgUnix([]byte(name), oobs, &raddr) |
| 212 | if err != nil { |
| 213 | return errLoggingNotEnabled |
| 214 | } |
| 215 | return nil |
| 216 | } |