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Postings from April 2011
G/M,
A look through 'current' Perl source reveals several instances of use of
the FD_SET/FD_ZERO/FD_ISSET macros, whereas the pp_sselect interface
uses 3 bit-mapped 'strings' to identify the sockets to be used by the
select() function.
Assuming there are no technical constraints, I wish to propose that the
IO:select interface to pp_sselect be changed to use 3 'int'(I32) arrays
to hold the socket ID's and that pp_sselect use the FD_xxxx macros (as
used elsewhere in Perl) to adapt these to select().
This would have the following benefits:
1. IO:select.pm no longer needs to work with bit maps,
2. The interface is consistent with other places in the source,
3. OS's that support FD_XXXX macros but not bit-mapped strings
(f.e NetWare) should now be able to work with select().
This is based on the (reasonable) assumption that for all OS, the
FD_XXXX macros use the same parameter type returned as a socket ID.
Or have I missed something?
Regards,
Norm
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