cloudinit/third_party/github.com/guelfey/go.dbus/transport_unixcred.go

23 lines
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2014-03-05 04:40:35 +04:00
// +build !darwin
package dbus
import (
"io"
"os"
"syscall"
)
func (t *unixTransport) SendNullByte() error {
ucred := &syscall.Ucred{Pid: int32(os.Getpid()), Uid: uint32(os.Getuid()), Gid: uint32(os.Getgid())}
b := syscall.UnixCredentials(ucred)
_, oobn, err := t.UnixConn.WriteMsgUnix([]byte{0}, b, nil)
if err != nil {
return err
}
if oobn != len(b) {
return io.ErrShortWrite
}
return nil
}