mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
/* PipeWire
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* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <errno.h>
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#include <spa/utils/list.h>
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#include <spa/support/loop.h>
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#include <pipewire/log.h>
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#include <pipewire/loop.h>
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#include <pulse/mainloop-signal.h>
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#include "internal.h"
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static pa_mainloop_api *api = NULL;
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static bool have_signals = false;
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static struct spa_list signals;
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static struct pw_loop *loop = NULL;
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struct pa_signal_event {
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struct spa_list link;
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struct spa_source *source;
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pa_signal_cb_t callback;
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pa_signal_destroy_cb_t destroy;
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void *userdata;
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};
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SPA_EXPORT
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int pa_signal_init(pa_mainloop_api *a)
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{
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pa_assert(a);
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pa_assert(!api);
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api = a;
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spa_list_init(&signals);
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loop = a->userdata;
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return 0;
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}
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SPA_EXPORT
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void pa_signal_done(void)
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{
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pa_signal_event *ev;
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if (have_signals) {
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spa_list_consume(ev, &signals, link)
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pa_signal_free(ev);
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}
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api = NULL;
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}
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static void source_signal_func (void *data, int signal_number)
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{
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pa_signal_event *ev = data;
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if (ev->callback)
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ev->callback(api, ev, signal_number, ev->userdata);
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}
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SPA_EXPORT
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pa_signal_event* pa_signal_new(int sig, pa_signal_cb_t callback, void *userdata)
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{
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pa_signal_event *ev;
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pa_assert(sig > 0);
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pa_assert(callback);
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ev = calloc(1, sizeof(pa_signal_event));
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ev->source = spa_loop_utils_add_signal(loop->utils, sig, source_signal_func, ev);
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ev->callback = callback;
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ev->userdata = userdata;
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if (!have_signals)
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spa_list_init(&signals);
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have_signals = true;
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spa_list_append(&signals, &ev->link);
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return ev;
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}
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SPA_EXPORT
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void pa_signal_free(pa_signal_event *e)
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{
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pa_assert(e);
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spa_list_remove(&e->link);
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spa_loop_utils_destroy_source(loop->utils, e->source);
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if (e->destroy)
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e->destroy(api, e, e->userdata);
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free(e);
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}
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SPA_EXPORT
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void pa_signal_set_destroy(pa_signal_event *e, pa_signal_destroy_cb_t callback)
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{
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pa_assert(e);
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e->destroy = callback;
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}
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