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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* event-dispatcher.cpp - Event dispatcher test
*/
#include <chrono>
#include <iostream>
#include <signal.h>
#include <sys/time.h>
#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>
#include "test.h"
using namespace std;
using namespace libcamera;
static EventDispatcher *dispatcher;
static bool interrupt;
class EventDispatcherTest : public Test
{
protected:
static void sigAlarmHandler(int)
{
cout << "SIGALARM received" << endl;
if (interrupt)
dispatcher->interrupt();
}
int init()
{
dispatcher = Thread::current()->eventDispatcher();
struct sigaction sa = {};
sa.sa_handler = &sigAlarmHandler;
sigaction(SIGALRM, &sa, nullptr);
return 0;
}
int run()
{
Timer timer;
/* Event processing interruption by signal. */
std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now();
timer.start(1000);
struct itimerval itimer = {};
itimer.it_value.tv_usec = 500000;
interrupt = false;
setitimer(ITIMER_REAL, &itimer, nullptr);
dispatcher->processEvents();
std::chrono::steady_clock::time_point stop = std::chrono::steady_clock::now();
std::chrono::steady_clock::duration duration = stop - start;
int msecs = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count();
if (abs(msecs - 1000) > 50) {
cout << "Event processing restart test failed" << endl;
return TestFail;
}
/* Event processing interruption. */
timer.start(1000);
dispatcher->interrupt();
dispatcher->processEvents();
if (!timer.isRunning()) {
cout << "Event processing immediate interruption failed" << endl;
return TestFail;
}
timer.start(1000);
itimer.it_value.tv_usec = 500000;
interrupt = true;
setitimer(ITIMER_REAL, &itimer, nullptr);
dispatcher->processEvents();
if (!timer.isRunning()) {
cout << "Event processing delayed interruption failed" << endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
}
};
TEST_REGISTER(EventDispatcherTest)
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