For work-related reasons I'm looking at Medusa, and noticed that
someone in that community wrote a wrapper for the poll() system call:
http://www.nightmare.com/medusa/pollmodule.c
The Medusa Web page says:
The latest version of asyncore.py includes support for this
module. poll(2) is much like select(2), but uses an array of
structures rather than a bitmap. A major design problem with
select(2) is that an fd_set is usually of a fixed maximum
size, on many operating systems the kernel needs to rebuilt to
raise this limit; even on those that have dynamically
adjustable limits, you still need to recompile your
application (because FD_SETSIZE is a macro).
I'd suggest adding poll() to 2.0, and will submit a patch if given the
go-ahead. But where should it go? A whole module for it seems
excessive; should it go in posixmodule, or maybe select? (I can't
figure out the POSIX status of poll(), though the Open Group does have
a man page for it:
http://www.opengroup.org/onlinepubs/007908799/xsh/poll.html).
--amk
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