libcamera/vivid.git - libcamera pipeline handler for VIVID

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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * event-dispatcher.cpp - Event dispatcher test */ #include <iostream> #include <signal.h> #include <sys/time.h> #include <libcamera/camera_manager.h> #include <libcamera/event_dispatcher.h> #include <libcamera/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 = CameraManager::instance()->eventDispatcher(); struct sigaction sa = {}; sa.sa_handler = &sigAlarmHandler; sigaction(SIGALRM, &sa, nullptr); return 0; } int run() { Timer timer; /* Event processing interruption by signal. */ struct timespec start; clock_gettime(CLOCK_MONOTONIC, &start); timer.start(1000); struct itimerval itimer = {}; itimer.it_value.tv_usec = 500000; interrupt = false; setitimer(ITIMER_REAL, &itimer, nullptr); dispatcher->processEvents(); struct timespec stop; clock_gettime(CLOCK_MONOTONIC, &stop); int duration = (stop.tv_sec - start.tv_sec) * 1000; duration += (stop.tv_nsec - start.tv_nsec) / 1000000; if (abs(duration - 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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