> Things were like that at one point in time, but file descriptors turn out
> to introduce a huge gaping security hole with SUID programs. The problem
> is that any event context is closely tied to the address space of the
> thread issuing the syscalls, and file descriptors do not have this close
> binding.
Can you go into that hole in more detail?
> Except that you're not usually pulling a full ring worth of events at a
> time, more often just one.
OK, but then to wait for it you were already sleeping in the kernel, right?
Clearly we should port httpd to kevents and take some measurements :)
- z
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