2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as
8 published by the Free Software Foundation; either version 2.1 of the
9 License, or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/xmalloc.h>
29 #include <pulse/gccmacro.h>
30 #include <pulse/i18n.h>
32 #include <pulsecore/macro.h>
34 #include "mainloop-api.h"
37 void (*callback)(pa_mainloop_api*m, void *userdata);
41 static void once_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
42 struct once_info *i = userdata;
47 pa_assert(i->callback);
48 i->callback(m, i->userdata);
50 pa_assert(m->defer_free);
54 static void free_callback(pa_mainloop_api *m, PA_GCC_UNUSED pa_defer_event *e, void *userdata) {
55 struct once_info *i = userdata;
62 void pa_mainloop_api_once(pa_mainloop_api* m, void (*callback)(pa_mainloop_api *m, void *userdata), void *userdata) {
71 i = pa_xnew(struct once_info, 1);
72 i->callback = callback;
73 i->userdata = userdata;
75 pa_assert(m->defer_new);
76 pa_assert_se(e = m->defer_new(m, once_callback, i));
77 m->defer_set_destroy(e, free_callback);