7d66859277
This reduces the text size of the binary slightly when zeroconf support is not built, and keeps the interface code cleaner as well. git-svn-id: https://svn.musicpd.org/mpd/trunk@7133 09075e82-0dd4-0310-85a5-a0d7c8717e4f
88 lines
2.2 KiB
C
88 lines
2.2 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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#include "ioops.h"
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/* Eventually the listener protocol will use this, too */
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#ifdef HAVE_ZEROCONF
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/*
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* functions and variables in this file are only used by a single thread and
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* thus do not need to be thread-safe
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*/
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/* List of registered external IO handlers */
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static struct ioOps *ioList;
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/* Add fds for all registered IO handlers */
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void registered_IO_add_fds(int *fdmax,
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fd_set * rfds, fd_set * wfds, fd_set * efds)
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{
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struct ioOps *o = ioList;
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while (o) {
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struct ioOps *current = o;
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int fdnum;
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assert(current->fdset);
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fdnum = current->fdset(rfds, wfds, efds);
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if (*fdmax < fdnum)
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*fdmax = fdnum;
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o = o->next;
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}
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}
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/* Consume fds for all registered IO handlers */
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void registered_IO_consume_fds(int *selret,
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fd_set * rfds, fd_set * wfds, fd_set * efds)
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{
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struct ioOps *o = ioList;
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while (o) {
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struct ioOps *current = o;
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assert(current->consume);
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*selret = current->consume(*selret, rfds, wfds, efds);
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o = o->next;
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}
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}
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void registerIO(struct ioOps *ops)
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{
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assert(ops != NULL);
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ops->next = ioList;
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ioList = ops;
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ops->prev = NULL;
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if (ops->next)
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ops->next->prev = ops;
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}
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void deregisterIO(struct ioOps *ops)
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{
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assert(ops != NULL);
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if (ioList == ops)
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ioList = ops->next;
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else if (ops->prev != NULL)
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ops->prev->next = ops->next;
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}
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#endif /* HAVE_ZEROCONF */
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