7 This file is part of PulseAudio.
9 PulseAudio is free software; you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as
11 published by the Free Software Foundation; either version 2 of the
12 License, or (at your option) any later version.
14 PulseAudio is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public
20 License along with PulseAudio; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 #include <pulsecore/llist.h>
26 #include <pulse/xmalloc.h>
27 #include <pulsecore/gccmacro.h>
29 typedef struct pa_hook_slot pa_hook_slot;
30 typedef struct pa_hook pa_hook;
32 typedef enum pa_hook_result {
38 typedef pa_hook_result_t (*pa_hook_cb_t)(
46 pa_hook_cb_t callback;
48 PA_LLIST_FIELDS(pa_hook_slot);
52 PA_LLIST_HEAD(pa_hook_slot, slots);
59 void pa_hook_init(pa_hook *hook, void *data);
60 void pa_hook_free(pa_hook *hook);
62 pa_hook_slot* pa_hook_connect(pa_hook *hook, pa_hook_cb_t, void *data);
63 void pa_hook_slot_free(pa_hook_slot *slot);
65 pa_hook_result_t pa_hook_fire(pa_hook *hook, void *data);