On Jul 21, 2006, at 10:40 AM, Pranav Peshwe wrote:
Hello,
In chan_sip.c , ast_io_wait() uses the poll() function
defined in poll.c. poll() internally uses select() for fd
multiplexing.
Why is poll() implemented using select() in asterisk inspite of
being present as a
standard function already i.e POLL(2) - on linux atleast ? The
semantics of the
implemented poll() function look similar to POLL(2).
Is there any specific reason ? like portability problems for poll
() ? or is the
implementation in any way different in functionality from POLL(2) ?
It seems the emulation is only used when the underlying system
doesn't support poll() itself.
-SteveK
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