tm_basic.cxx

eCos1.31版

    end_of_test_group();
}

void
run_thread_switch_test(void)
{
    int i;

    // Set up for thread context switch 
    for (i = 0;  i < 2;  i++) {
        cyg_thread_create(10,              // Priority - just a number
                          test2,           // entry
                          i,               // index
                          thread_name("thread", i),     // Name
                          &stacks[i][0],   // Stack
                          STACK_SIZE,      // Size
                          &threads[i],     // Handle
                          &test_threads[i] // Thread data structure
            );
        cyg_thread_resume(threads[i]);
    }
    // Set up the end-of-threads synchronizer
    cyg_semaphore_init(&synchro, 0);
    cyg_semaphore_wait(&synchro);
    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    show_times(test2_ft, nthread_switches, "Thread switch");
    // Clean up
    for (i = 0;  i < 2;  i++) {
        cyg_thread_delete(threads[i]);
    }
}

void
run_mutex_tests(void)
{
    int i;

    // Mutex primitives
    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_init(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Init mutex");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_lock(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Lock [unlocked] mutex");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_unlock(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Unlock [locked] mutex");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_trylock(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Trylock [unlocked] mutex");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_trylock(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Trylock [locked] mutex");

    // Must unlock mutices before destroying them.
    for (i = 0;  i < nmutexes;  i++) {
        cyg_mutex_unlock(&test_mutexes[i]);
    }

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmutexes;  i++) {
        HAL_CLOCK_READ(&mutex_ft[i].start);
        cyg_mutex_destroy(&test_mutexes[i]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
    }
    show_times(mutex_ft, nmutexes, "Destroy mutex");
    run_mutex_circuit_test();
    end_of_test_group();
}

void
run_mutex_circuit_test(void)
{
    int i;
    // Set my priority lower than any I plan to create
    cyg_thread_set_priority(cyg_thread_self(), 4);
    // Set up for full mutex unlock/lock test
    cyg_mutex_init(&test_mutexes[0]);
    cyg_semaphore_init(&synchro, 0);
    cyg_thread_create(3,              // Priority - just a number
                      mutex_test,           // entry
                      0,               // index
                      thread_name("thread", 0),     // Name
                      &stacks[0][0],   // Stack
                      STACK_SIZE,      // Size
                      &mutex_test_thread_handle,   // Handle
                      &mutex_test_thread    // Thread data structure
        );
    cyg_thread_resume(mutex_test_thread_handle);
    // Need to raise priority so that this thread will block on the "lock"
    cyg_thread_set_priority(cyg_thread_self(), 2);
    for (i = 0;  i < nmutexes;  i++) {
        cyg_semaphore_post(&synchro);
        cyg_mutex_lock(&test_mutexes[0]);
        HAL_CLOCK_READ(&mutex_ft[i].end);
        cyg_mutex_unlock(&test_mutexes[0]);
        cyg_semaphore_wait(&synchro);
    }
    cyg_thread_delete(mutex_test_thread_handle);
    show_times(mutex_ft, nmutexes, "Unlock/Lock mutex");
}

void
run_mbox_tests(void)
{
    int i, cnt;
    void *item;
    // Mailbox primitives
    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_create(&test_mbox_handles[i], &test_mboxes[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Create mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cnt = cyg_mbox_peek(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Peek [empty] mbox");

#ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_put(test_mbox_handles[i], (void *)i);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Put [first] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cnt = cyg_mbox_peek(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Peek [1 msg] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_put(test_mbox_handles[i], (void *)i);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Put [second] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cnt = cyg_mbox_peek(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Peek [2 msgs] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_get(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Get [first] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_get(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Get [second] mbox");
#endif // ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_tryput(test_mbox_handles[i], (void *)i);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Tryput [first] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_peek_item(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Peek item [non-empty] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_tryget(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Tryget [non-empty] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_peek_item(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Peek item [empty] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        item = cyg_mbox_tryget(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Tryget [empty] mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_waiting_to_get(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Waiting to get mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_waiting_to_put(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Waiting to put mbox");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nmboxes;  i++) {
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_delete(test_mbox_handles[i]);
        HAL_CLOCK_READ(&mbox_ft[i].end);
    }
    show_times(mbox_ft, nmboxes, "Delete mbox");

    run_mbox_circuit_test();
    end_of_test_group();
}

void
run_mbox_circuit_test(void)
{
#ifdef CYGMFN_KERNEL_SYNCH_MBOXT_PUT_CAN_WAIT
    int i;
    // Set my priority lower than any I plan to create
    cyg_thread_set_priority(cyg_thread_self(), 3);
    // Set up for full mbox put/get test
    cyg_mbox_create(&test_mbox_handles[0], &test_mboxes[0]);
    cyg_semaphore_init(&synchro, 0);
    cyg_thread_create(2,              // Priority - just a number
                      mbox_test,           // entry
                      0,               // index
                      thread_name("thread", 0),     // Name
                      &stacks[0][0],   // Stack
                      STACK_SIZE,      // Size
                      &mbox_test_thread_handle,   // Handle
                      &mbox_test_thread    // Thread data structure
        );
    cyg_thread_resume(mbox_test_thread_handle);
    for (i = 0;  i < nmboxes;  i++) {
        wait_for_tick(); // Wait until the next clock tick to minimize aberations
        HAL_CLOCK_READ(&mbox_ft[i].start);
        cyg_mbox_put(test_mbox_handles[0], (void *)i);
        cyg_semaphore_wait(&synchro);
    }
    cyg_thread_delete(mbox_test_thread_handle);
    show_times(mbox_ft, nmboxes, "Put/Get mbox");
#endif
}

void
run_semaphore_tests(void)
{
    int i;
    cyg_count32 sem_val;
    // Semaphore primitives
    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        HAL_CLOCK_READ(&semaphore_ft[i].start);
        cyg_semaphore_init(&test_semaphores[i], 0);
        HAL_CLOCK_READ(&semaphore_ft[i].end);
    }
    show_times(semaphore_ft, nsemaphores, "Init semaphore");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        HAL_CLOCK_READ(&semaphore_ft[i].start);
        cyg_semaphore_post(&test_semaphores[i]);
        HAL_CLOCK_READ(&semaphore_ft[i].end);
    }
    show_times(semaphore_ft, nsemaphores, "Post [0] semaphore");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        HAL_CLOCK_READ(&semaphore_ft[i].start);
        cyg_semaphore_wait(&test_semaphores[i]);
        HAL_CLOCK_READ(&semaphore_ft[i].end);
    }
    show_times(semaphore_ft, nsemaphores, "Wait [1] semaphore");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        HAL_CLOCK_READ(&semaphore_ft[i].start);
        cyg_semaphore_trywait(&test_semaphores[i]);
        HAL_CLOCK_READ(&semaphore_ft[i].end);
    }
    show_times(semaphore_ft, nsemaphores, "Trywait [0] semaphore");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        cyg_semaphore_post(&test_semaphores[i]);
        HAL_CLOCK_READ(&semaphore_ft[i].start);
        cyg_semaphore_trywait(&test_semaphores[i]);
        HAL_CLOCK_READ(&semaphore_ft[i].end);
    }
    show_times(semaphore_ft, nsemaphores, "Trywait [1] semaphore");

    wait_for_tick(); // Wait until the next clock tick to minimize aberations
    for (i = 0;  i < nsemaphores;  i++) {
        HAL_CLOCK_READ(&semaphore_ft[i].start);