static void my_flush_events(struct SoundIoPrivate *si, bool wait) {
SoundIo *soundio = &si->pub;
SoundIoJack *sij = &si->backend_data.jack;
int err;
bool cb_shutdown = false;
soundio_os_mutex_lock(sij->mutex);
if (wait)
soundio_os_cond_wait(sij->cond, sij->mutex);
if (sij->is_shutdown && !sij->emitted_shutdown_cb) {
sij->emitted_shutdown_cb = true;
cb_shutdown = true;
}
soundio_os_mutex_unlock(sij->mutex);
if (cb_shutdown) {
soundio->on_backend_disconnect(soundio, SoundIoErrorBackendDisconnected);
} else {
if (!sij->refresh_devices_flag.test_and_set()) {
if ((err = refresh_devices(si))) {
sij->refresh_devices_flag.clear();
} else {
soundio->on_devices_change(soundio);
}
}
}
}
static void my_flush_events(SoundIoPrivate *si, bool wait) {
SoundIo *soundio = &si->pub;
SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;
bool change = false;
bool cb_shutdown = false;
SoundIoDevicesInfo *old_devices_info = nullptr;
pa_threaded_mainloop_lock(sipa->main_loop);
if (wait)
pa_threaded_mainloop_wait(sipa->main_loop);
if (sipa->device_scan_queued && !sipa->connection_err) {
sipa->device_scan_queued = false;
sipa->connection_err = refresh_devices(si);
cleanup_refresh_devices(si);
}
if (sipa->connection_err && !sipa->emitted_shutdown_cb) {
sipa->emitted_shutdown_cb = true;
cb_shutdown = true;
} else if (sipa->ready_devices_info) {
old_devices_info = si->safe_devices_info;
si->safe_devices_info = sipa->ready_devices_info;
sipa->ready_devices_info = nullptr;
change = true;
}
pa_threaded_mainloop_unlock(sipa->main_loop);
if (cb_shutdown)
soundio->on_backend_disconnect(soundio, sipa->connection_err);
else if (change)
soundio->on_devices_change(soundio);
soundio_destroy_devices_info(old_devices_info);
}