52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef IOOPS_H
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#define IOOPS_H
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#include <sys/select.h>
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struct ioOps {
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struct ioOps *prev, *next;
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/*
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* Called before each 'select' statement.
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* To register for IO, call FD_SET for each required queue
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* Return the highest fd number you registered
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*/
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int (*fdset) ( fd_set *rfds, fd_set *wfds, fd_set *efds );
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/*
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* Called after each 'select' statement.
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* fdCount is the number of fds total in all sets. It may be 0.
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* For each fd you registered for in (fdset), you should FD_CLR it from the
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* appropriate queue(s).
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* Return the total number of fds left in all sets (Ie, return fdCount
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* minus the number of times you called FD_CLR).
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*/
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int (*consume) ( int fdCount, fd_set *rfds, fd_set *wfds, fd_set *efds );
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};
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/* Call this to register your io operation handler struct */
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void registerIO( struct ioOps *ops );
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/* Call this to deregister your io operation handler struct */
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void deregisterIO( struct ioOps *ops );
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#endif
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