Function test_recursive_mutex

components/libc/cplusplus/utest/tc_mutex.cpp:44–68

* @brief Test recursive mutex allowing multiple locks by the same thread. */

 * @brief Test recursive mutex allowing multiple locks by the same thread.
 */
static void test_recursive_mutex(void)
{
    std::recursive_mutex rm;
    int                  count = 0;
    auto                 func  = [&]() mutable {
        std::lock_guard<std::recursive_mutex> lock1(rm);
        std::lock_guard<std::recursive_mutex> lock2(rm);
        for (int i = 0; i < 1000; ++i)
        {
            ++count;
        }
    };

    std::thread t1(func);
    std::thread t2(func);

    t1.join();
    t2.join();

    if (count != 2000)
    {
        uassert_false(true);
    }
    uassert_true(true);
}

/**
 * @brief Test try_lock on mutex.