1. Fwiw, I would really like to see epoll extended beyond fds, to a more
general edge-triggered event collector - signals, timers, aios. I've
written about this before as you know (but been too busy lately to
pursue the idea). I'm not going to say any more about this until I
have time to code something...
2. I don't like the "int64_t" proposal because there is no
language guarantee that 64 bits is enough to hold a pointer - and
of course, a pointer is what many applications will store in it.
"long" seems to be the de facto standard for holding a pointer
value in the kernel (e.g. in a futex). That's ugly too, but quite
consistent. Nothing clean presents itself.
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