diff options
Diffstat (limited to 'src/pulse/mainloop-api.c')
-rw-r--r-- | src/pulse/mainloop-api.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/pulse/mainloop-api.c b/src/pulse/mainloop-api.c new file mode 100644 index 00000000..2e20b446 --- /dev/null +++ b/src/pulse/mainloop-api.c @@ -0,0 +1,70 @@ +/* $Id$ */ + +/*** + This file is part of PulseAudio. + + PulseAudio 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. + + PulseAudio 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 PulseAudio; 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 <pulse/xmalloc.h> + +#include <pulsecore/gccmacro.h> + +#include "mainloop-api.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); +} + |