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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <stdlib.h>
#include "mainloop-api.h"
#include <polypcore/xmalloc.h>
#include <polypcore/gccmacro.h>
struct once_info {
void (*callback)(pa_mainloop_api*m, void *userdata);
void *userdata;
};
static void once_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
struct once_info *i = userdata;
assert(m && i && i->callback);
i->callback(m, i->userdata);
assert(m->defer_free);
m->defer_free(e);
}
static void free_callback(pa_mainloop_api *m, PA_GCC_UNUSED pa_defer_event *e, void *userdata) {
struct once_info *i = userdata;
assert(m && i);
pa_xfree(i);
}
void pa_mainloop_api_once(pa_mainloop_api* m, void (*callback)(pa_mainloop_api *m, void *userdata), void *userdata) {
struct once_info *i;
pa_defer_event *e;
assert(m && callback);
i = pa_xnew(struct once_info, 1);
i->callback = callback;
i->userdata = userdata;
assert(m->defer_new);
e = m->defer_new(m, once_callback, i);
assert(e);
m->defer_set_destroy(e, free_callback);
}
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