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test-pthread: Add a mutex test
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1 changed files with 31 additions and 0 deletions
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@ -36,6 +36,36 @@ static void test_once()
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VERIFY(v.size() == 1);
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VERIFY(v.size() == 1);
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}
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}
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static void test_mutex()
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{
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constexpr size_t threads_count = 10;
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constexpr size_t num_times = 100;
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Vector<int> v;
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NonnullRefPtrVector<Threading::Thread, threads_count> threads;
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pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
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for (size_t i = 0; i < threads_count; i++) {
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threads.append(Threading::Thread::construct([&] {
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for (size_t j = 0; j < num_times; j++) {
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pthread_mutex_lock(&mutex);
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v.append(35);
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sched_yield();
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pthread_mutex_unlock(&mutex);
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sched_yield();
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}
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return 0;
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}));
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threads.last().start();
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}
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for (auto& thread : threads)
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[[maybe_unused]] auto res = thread.join();
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VERIFY(v.size() == threads_count * num_times);
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VERIFY(pthread_mutex_trylock(&mutex) == 0);
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VERIFY(pthread_mutex_trylock(&mutex) == EBUSY);
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}
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static void test_semaphore_as_lock()
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static void test_semaphore_as_lock()
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{
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{
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constexpr size_t threads_count = 10;
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constexpr size_t threads_count = 10;
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@ -138,6 +168,7 @@ static void test_semaphore_nonbinary()
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int main()
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int main()
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{
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{
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test_once();
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test_once();
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test_mutex();
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test_semaphore_as_lock();
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test_semaphore_as_lock();
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test_semaphore_as_event();
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test_semaphore_as_event();
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