forked from jbagg/QtZeroConf
81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
#ifndef foothreadedwatchhfoo
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#define foothreadedwatchhfoo
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/***
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This file is part of avahi.
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avahi is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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avahi is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with avahi; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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/** \file thread-watch.h Threaded poll() based main loop implementation */
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#include <poll.h>
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#include <avahi-common/cdecl.h>
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#include <avahi-common/watch.h>
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AVAHI_C_DECL_BEGIN
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/** A main loop object that runs an AvahiSimplePoll in its own thread. \since 0.6.4 */
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typedef struct AvahiThreadedPoll AvahiThreadedPoll;
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/** Create a new event loop object. This will allocate the internal
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* AvahiSimplePoll, but will not start the helper thread. \since 0.6.4 */
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AvahiThreadedPoll *avahi_threaded_poll_new(void);
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/** Free an event loop object. This will stop the associated event loop
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* thread (if it is running). \since 0.6.4 */
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void avahi_threaded_poll_free(AvahiThreadedPoll *p);
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/** Return the abstracted poll API object for this event loop
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* object. The will return the same pointer each time it is
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* called. \since 0.6.4 */
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const AvahiPoll* avahi_threaded_poll_get(AvahiThreadedPoll *p);
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/** Start the event loop helper thread. After the thread has started
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* you must make sure to access the event loop object
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* (AvahiThreadedPoll, AvahiPoll and all its associated objects)
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* synchronized, i.e. with proper locking. You may want to use
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* avahi_threaded_poll_lock()/avahi_threaded_poll_unlock() for this,
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* which will lock the the entire event loop. Please note that event
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* loop callback functions are called from the event loop helper thread
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* with that lock held, i.e. avahi_threaded_poll_lock() calls are not
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* required from event callbacks. \since 0.6.4 */
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int avahi_threaded_poll_start(AvahiThreadedPoll *p);
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/** Request that the event loop quits and the associated thread
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stops. Call this from outside the helper thread if you want to shut
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it down. \since 0.6.4 */
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int avahi_threaded_poll_stop(AvahiThreadedPoll *p);
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/** Request that the event loop quits and the associated thread
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stops. Call this from inside the helper thread if you want to shut it
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down. \since 0.6.4 */
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void avahi_threaded_poll_quit(AvahiThreadedPoll *p);
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/** Lock the main loop object. Use this if you want to access the event
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* loop objects (such as creating a new event source) from anything
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* else but the event loop helper thread, i.e. from anything else but event
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* loop callbacks \since 0.6.4 */
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void avahi_threaded_poll_lock(AvahiThreadedPoll *p);
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/** Unlock the event loop object, use this as counterpart to
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* avahi_threaded_poll_lock() \since 0.6.4 */
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void avahi_threaded_poll_unlock(AvahiThreadedPoll *p);
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AVAHI_C_DECL_END
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#endif
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