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-=pod
-
-=head1 NAME
-
-
-
-B<XPAPoll: execute existing XPA requests>
-
-
-
-=head1 SYNOPSIS
-
-
-
-
-
- #include <xpa.h>
-
- int XPAPoll(int msec, int maxreq);
-
-
-
-
-
-=head1 DESCRIPTION
-
-
-
-
-It is sometimes desirable to implement a polling loop, i.e., where one
-checks for and processes XPA requests without blocking. For this
-situation, use the XPAPoll() routine:
-
- XPAPoll(int msec, int maxreq);
-
-
-The XPAPoll() routine will perform XPAAddSelect() and select(), but with a
-timeout specified in millisecs by the msec argument. If one or more
-XPA requests are made before the timeout expires, the XPAProcessSelect()
-routine is called to process those requests. The maxreq value determines
-how many requests will be processed: if maxreq < 0, then no events are
-processed, but instead, the return value indicates the number of events
-that are pending. If maxreq == 0, then all currently pending requests
-will be processed. Otherwise, up to maxreq requests will be processed.
-(The most usual values for maxreq are 0 to process all requests and 1
-to process one request).
-
-
-
-
-=head1 SEE ALSO
-
-
-
-See xpa(n) for a list of XPA help pages
-
-
-=cut