int main()
{
Barrier barrier1(3);
Barrier barrier2(3);
arrived_all = false;
processed_all = true;
arrived_count.store(0);
processed_count.store(allowed_max);
std::thread worker[50];
for (int i = 0; i < 6; i++)
worker[i] = std::thread(worker_thread, i, &barrier1, &barrier2);
{
std::lock_guard<std::mutex> lk(m);
std::cout << "Back in main(), after initialing first thread batch " << data << std::endl;
}
// wait until worker dies finishes execution
for (int i = 0; i < 6; i++)
worker[i].join();
// for (int i = 5; i < 10; i++)
// worker[i] = std::thread(worker_thread, i);
// {
// std::lock_guard<std::mutex> lk(m);
// std::cout << "Back in main(), after initialing second thread batch." << std::endl;
// }
// // wait until worker dies finishes execution
// for (int i = 5; i < 10; i++)
// worker[i].join();
std::cout << "finished main(), data = " << data << std::endl;
}
void PresetTests::parallelAccessTest() {
const int initIterations = 100;
const int itemsToGenerate = 5;
DECLARE_MODELS_AND_GENERATE(itemsToGenerate);
QString presetName = "preset";
QStringList keywords;
keywords << "keyword1" << "another keyword" << "test";
Helpers::Barrier barrier1(2), barrier2(2);
bool isAdded1, isAdded2;
volatile bool removed1;
volatile bool removed2;
KeywordsPresets::ID_t id1 = 0;
KeywordsPresets::ID_t id2 = 0;
std::thread thread1([&]() {
int n = initIterations;
while (n--) {
isAdded1 = false; id1 = 0;
presetKeywordsModel.addOrUpdatePreset(presetName, keywords, id1, isAdded1);
/*-------------*/barrier1.wait();
Q_ASSERT(isAdded1 != isAdded2);
Q_ASSERT(id1 == id2);
removed1 = presetKeywordsModel.removePresetByID(id1);
/*-------------*/barrier2.wait();
Q_ASSERT(removed1 != removed2);
}
});
std::thread thread2([&]() {
int n = initIterations;
while (n--) {
isAdded2 = false; id2 = 1;
presetKeywordsModel.addOrUpdatePreset(presetName, keywords, id2, isAdded2);
/*-------------*/barrier1.wait();
Q_ASSERT(isAdded1 != isAdded2);
Q_ASSERT(id1 == id2);
removed2 = presetKeywordsModel.removePresetByID(id2);
/*-------------*/barrier2.wait();
Q_ASSERT(removed1 != removed2);
}
});
thread1.join();
thread2.join();
}
