+INTERN void
+tdm_output_thread_cb_destroy(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
+{
+ tdm_private_output *private_output = object;
+ tdm_private_output_destroy_handler *destroy_handler = user_data;
+
+ TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
+
+ assert(destroy_handler->owner_tid == syscall(SYS_gettid));
+
+ _pthread_mutex_unlock(&private_display->lock);
+ destroy_handler->func(private_output, destroy_handler->user_data);
+ _pthread_mutex_lock(&private_display->lock);
+}
+
+EXTERN tdm_error
+tdm_output_add_destroy_handler(tdm_output *output,
+ tdm_output_destroy_handler func,
+ void *user_data)
+{
+ tdm_private_output_destroy_handler *destroy_handler = NULL;
+ OUTPUT_FUNC_ENTRY();
+
+ TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ LIST_FOR_EACH_ENTRY(destroy_handler, &private_output->destroy_handler_list, link) {
+ if (destroy_handler->func == func && destroy_handler->user_data == user_data) {
+ TDM_ERR("can't add twice");
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_BAD_REQUEST;
+ }
+ }
+
+ destroy_handler = calloc(1, sizeof(tdm_private_output_destroy_handler));
+ if (!destroy_handler) {
+ TDM_ERR("failed: alloc memory");
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_OUT_OF_MEMORY;
+ }
+
+ ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
+ if (ret != TDM_ERROR_NONE) {
+ TDM_ERR("tdm_thread_cb_add failed");
+ free(destroy_handler);
+ _pthread_mutex_unlock(&private_display->lock);
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ destroy_handler->private_output = private_output;
+ destroy_handler->func = func;
+ destroy_handler->user_data = user_data;
+ destroy_handler->owner_tid = syscall(SYS_gettid);
+
+ LIST_ADDTAIL(&destroy_handler->link, &private_output->destroy_handler_list);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return ret;
+}
+
+
+EXTERN void
+tdm_output_remove_destroy_handler(tdm_output *output,
+ tdm_output_destroy_handler func,
+ void *user_data)
+{
+ tdm_private_display *private_display;
+ tdm_private_output *private_output;
+ tdm_private_output_destroy_handler *destroy_handler = NULL, *hh = NULL;
+
+ TDM_RETURN_IF_FAIL(output != NULL);
+ TDM_RETURN_IF_FAIL(func != NULL);
+
+ private_output = (tdm_private_output*)output;
+ private_display = private_output->private_display;
+
+ _pthread_mutex_lock(&private_display->lock);
+
+ LIST_FOR_EACH_ENTRY_SAFE(destroy_handler, hh, &private_output->destroy_handler_list, link) {
+ if (destroy_handler->func != func || destroy_handler->user_data != user_data)
+ continue;
+
+ tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
+
+ LIST_DEL(&destroy_handler->link);
+ free(destroy_handler);
+
+ _pthread_mutex_unlock(&private_display->lock);
+
+ return;
+ }
+
+ _pthread_mutex_unlock(&private_display->lock);
+}
+