Files
pebble/src/fw/apps/demo_apps/timer_app.c
2025-01-27 11:38:16 -08:00

86 lines
2.5 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "process_management/pebble_process_md.h"
#include "applib/app.h"
#include "applib/app_logging.h"
#include "process_state/app_state/app_state.h"
#include "applib/ui/ui.h"
#include "process_management/pebble_process_md.h"
#include "system/logging.h"
#include "system/passert.h"
static AppTimer *s_timer = NULL;
static void shouldnt_happen(void *context) {
WTF;
}
static void stupid_cancel(void *context) {
app_timer_cancel(s_timer);
APP_LOG(LOG_LEVEL_INFO, "success");
}
static void prv_window_load(Window *window) {
int dummy_data = 0;
// Wait much longer than it should take to cancel the timer.
AppTimer *timer = app_timer_register(1000 /*ms*/, shouldnt_happen, &dummy_data);
PBL_ASSERTN(timer != NULL);
// Try to cancel it twice. This used to crash, but should not crash anymore.
// In particular, we're looking to see that at least if we don't do more app_heap
// allocations, we will be able to detect that we're effectively trying to
// double-release this timer.
app_timer_cancel(timer);
app_timer_cancel(timer);
timer = app_timer_register(1 /*ms*/, stupid_cancel, &s_timer);
s_timer = timer;
PBL_ASSERTN(timer != NULL);
}
static const WindowHandlers s_main_menu_handlers = {
.load = prv_window_load,
};
static void handle_init(void) {
Window *window = window_create();
if (window == NULL) {
return;
}
window_init(window, "");
window_set_window_handlers(window, &s_main_menu_handlers);
app_window_stack_push(window, true /*animated*/);
}
static void handle_deinit(void) {
// Don't bother freeing anything, the OS should be re-initing the heap.
}
static void s_main(void) {
handle_init();
app_event_loop();
handle_deinit();
}
const PebbleProcessMd* timer_app_get_info() {
static const PebbleProcessMdSystem s_app_info = {
.common.main_func = &s_main,
.name = "Timer Cancel Test"
};
return (const PebbleProcessMd*) &s_app_info;
}