/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * message.cpp - Messages test */ #include <chrono> #include <iostream> #include <thread> #include "libcamera/internal/message.h" #include "libcamera/internal/thread.h" #include "test.h" using namespace std; using namespace libcamera; class MessageReceiver : public Object { public: enum Status { NoMessage, InvalidThread, MessageReceived, }; MessageReceiver() : status_(NoMessage) { } Status status() const { return status_; } void reset() { status_ = NoMessage; } protected: void message(Message *msg) { if (msg->type() != Message::None) { Object::message(msg); return; } if (thread() != Thread::current()) status_ = InvalidThread; else status_ = MessageReceived; } private: Status status_; }; class SlowMessageReceiver : public Object { protected: void message(Message *msg) { if (msg->type() != Message::None) { Object::message(msg); return; } /* * Don't access any member of the object here (including the * vtable) as the object will be deleted by the main thread * while we're sleeping. */ this_thread::sleep_for(chrono::milliseconds(100)); } }; class MessageTest : public Test { protected: int run() { Message::Type msgType[2] = { Message::registerMessageType(), Message::registerMessageType(), }; if (msgType[0] != Message::UserMessage || msgType[1] != Message::UserMessage + 1) { cout << "Failed to register message types" << endl; return TestFail; } MessageReceiver receiver; receiver.moveToThread(&thread_); thread_.start(); receiver.postMessage(std::make_unique<Message>(Message::None)); this_thread::sleep_for(chrono::milliseconds(100)); switch (receiver.status()) { case MessageReceiver::NoMessage: cout << "No message received" << endl; return TestFail; case MessageReceiver::InvalidThread: cout << "Message received in incorrect thread" << endl; return TestFail; default: break; } /* * Test for races between message delivery and object deletion. * Failures result in assertion errors, there is no need for * explicit checks. */ SlowMessageReceiver *slowReceiver = new SlowMessageReceiver(); slowReceiver->moveToThread(&thread_); slowReceiver->postMessage(std::make_unique<Message>(Message::None)); this_thread::sleep_for(chrono::milliseconds(10)); delete slowReceiver; return TestPass; } void cleanup() { thread_.exit(0); thread_.wait(); } private: Thread thread_; }; TEST_REGISTER(MessageTest) e='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/libcamera/vivid.git/tree/?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>root</a>/<a href='/libcamera/vivid.git/tree/src?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>src</a>/<a href='/libcamera/vivid.git/tree/src/qcam?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>qcam</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>assets</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets/feathericons?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>feathericons</a>/<a href='/libcamera/vivid.git/tree/src/qcam/assets/feathericons/toggle-left.svg?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>toggle-left.svg</a></div><div class='content'>blob: 240be290bc4b616f0e7a07b331e31592517bceb1 (<a href='/libcamera/vivid.git/plain/src/qcam/assets/feathericons/toggle-left.svg?h=vivid-pre-a07968bed276&id=0416488635fc406db1674d6c47e4e40462764c7d'>plain</a>) <table summary='blob content' class='blob'> <tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a> </pre></td> <td class='lines'><pre><code>