Hi,
It might be obvious for people knowing the API but somehow I can't
figure it out:
How and when will the call back specified in a rbd_completion_t be called ?
Imagine I do a rbd_aio_write and then do while (1); ... I don't see
how the library could call my callback unless there is threads
involved (and then my cb would be called in another thread context
which is not great ...)
(Of course the 'while (1)' here is just a stub, in reality it's a call
to a library beyond my control)
My problem here is that I need to integrate inside the main loop of
another software and I can't block, but I still need to be able to
'notify' when the requests are over. I can ask the scheduler of that
main loop to call me on some even on a file descriptor (but I don't
see any fd here), or to call me periodically (but I don't see any call
to test for completion without waiting for it).
Cheers,
Sylvain
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