func makeTestFd(t *testing.T) testFd {
var tfd testFd
errno := unix.Pipe(tfd[:])
if errno != nil {
t.Fatalf("Failed to create pipe: %v", errno)
}
return tfd
}
func start(name string, rw types.ReaderWriterAt) error {
if cxt == nil {
done = make(chan struct{})
// this is super dirty
backend = rw
volume = name
pipeFds = make([]int, 2)
if err := unix.Pipe(pipeFds); err != nil {
return err
}
cxt = C.tcmu_init()
if cxt == nil {
return errors.New("TCMU ctx is nil")
}
// We don't want to poll main fd because devOpen() will be
// called once for tcmu_init(). We don't need to listen to
// further events for now.
}
return nil
}