21.02.2018 20:07, Georg Chini пиÑ?еÑ?: > Maybe you misunderstood me. What I mean, is that the pipe can be > opened for writing as long as we are suspended. So it open when > we see that the source is suspended or when we auto suspend. Close > it as soon as the source gets unsuspended. This will avoid POLLHUP > during suspend completely. While auto suspended, we additionally have > to listen for POLLIN. > This way we can only get POLLHUP (or POLLIN with no data) when the > source is running. > I think I understand. We need to keep our writer opened while transition from autosuspended to opened state and just set events = 0. But what I don't understand - why you so hate the freeing and allocating rtpoll_item during this transition? I'll try ro rewrite the patch (again) while we waiting for Tanu to apply his patches. -- Raman