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20f4ae65f2
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@697 fefdeb5f-60dc-0310-8127-8f9354f1896f
61 lines
2 KiB
C
61 lines
2 KiB
C
#ifndef foosubscribehfoo
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#define foosubscribehfoo
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/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with polypaudio; 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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#include <inttypes.h>
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#include <polyp/def.h>
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#include <polyp/context.h>
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#include <polyp/cdecl.h>
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/** \page subscribe Event Subscription
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*
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* \section overv_sec Overview
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*
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* The application can be notified, asynchronously, whenever the internal
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* layout of the server changes. Possible notifications are desribed in the
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* \ref pa_subscription_event_type and \ref pa_subscription_mask
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* enumerations.
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*
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* The application sets the notification mask using pa_context_subscribe()
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* and the function that will be called whenever a notification occurs using
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* pa_context_set_subscribe_callback().
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*/
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/** \file
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* Daemon introspection event subscription subsystem. */
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PA_C_DECL_BEGIN
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/** Subscription event callback prototype */
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typedef void (*pa_context_subscribe_cb_t)(pa_context *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata);
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/** Enable event notification */
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pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata);
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/** Set the context specific call back function that is called whenever the state of the daemon changes */
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void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata);
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PA_C_DECL_END
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#endif
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