diff options
Diffstat (limited to 'samples/nanokernel/test/test_lifo/src/lifo.c')
| -rw-r--r-- | samples/nanokernel/test/test_lifo/src/lifo.c | 1087 |
1 files changed, 0 insertions, 1087 deletions
diff --git a/samples/nanokernel/test/test_lifo/src/lifo.c b/samples/nanokernel/test/test_lifo/src/lifo.c deleted file mode 100644 index 439101580..000000000 --- a/samples/nanokernel/test/test_lifo/src/lifo.c +++ /dev/null @@ -1,1087 +0,0 @@ -/* - * Copyright (c) 2012-2015 Wind River Systems, Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * @file - * @brief Test nanokernel LIFO APIs - * - * DESCRIPTION - * This module tests four basic scenarios with the usage of the following LIFO - * routines: - * - * nano_isr_lifo_get, nano_isr_lifo_put - * nano_fiber_lifo_get, nano_fiber_lifo_put - * nano_task_lifo_get, nano_task_lifo_put - * - * Scenario #1 - * Getting (and waiting for an object) from an empty LIFO. Both fibers and - * tasks can wait on a LIFO, but an ISR can not. - * - * Scenario #2 - * Getting objects from a non-empty LIFO. Fibers, tasks and ISRs are all - * allowed to get an object from a non-empty LIFO. - * - * Scenario #3: - * Multiple fibers pend on the same LIFO. - * - * Scenario #4: - * Timeout scenarios with multiple LIFOs and fibers. - * - * These scenarios will be tested using a combinations of tasks, fibers and - * ISRs. - */ - -#include <zephyr.h> -#include <tc_util.h> -#include <misc/util.h> -#include <misc/__assert.h> -#include <irq_offload.h> - -/* test uses 2 software IRQs */ -#define NUM_SW_IRQS 2 - -#include <util_test_common.h> - -#ifndef FIBER_STACKSIZE -#define FIBER_STACKSIZE 2000 -#endif -#define FIBER_PRIORITY 4 - -typedef struct { - struct nano_lifo *lifo_ptr; /* LIFO */ - void *data; /* pointer to data to add */ -} ISR_LIFO_INFO; - -typedef struct { - uint32_t link; /* 32-bit word for LIFO to use as a link */ - uint32_t data; /* miscellaneous data put on LIFO (not important) */ -} LIFO_ITEM; - -/* Items to be added/removed from LIFO during the test */ -static LIFO_ITEM lifoItem[4] = { - {0, 1}, - {0, 2}, - {0, 3}, - {0, 4}, - }; - -static struct nano_lifo test_lifo; /* LIFO used in test */ -static struct nano_sem taskWaitSem; /* task waits on this semaphore */ -static struct nano_sem fiberWaitSem; /* fiber waits on this semaphore */ -static struct nano_timer timer; -static void *timerData[1]; -static ISR_LIFO_INFO isrLifoInfo = {&test_lifo, NULL}; - -static volatile int fiberDetectedFailure = 0; /* non-zero on failure */ - -static char __stack fiberStack[FIBER_STACKSIZE]; - -static struct nano_lifo multi_waiters; -static struct nano_sem reply_multi_waiters; - -/** - * - * @brief Add an item to a LIFO - * - * This routine is the ISR handler for _trigger_nano_isr_lifo_put(). It adds - * an item to the LIFO in the context of an ISR. - * - * @param data pointer to ISR handler parameter - * - * @return N/A - */ - -void isr_lifo_put(void *data) -{ - ISR_LIFO_INFO *pInfo = (ISR_LIFO_INFO *) data; - - nano_isr_lifo_put(pInfo->lifo_ptr, pInfo->data); -} - -static void _trigger_nano_isr_lifo_put(void) -{ - irq_offload(isr_lifo_put, &isrLifoInfo); -} - - -/** - * - * @brief Get an item from a LIFO - * - * This routine is the ISR handler for _trigger_nano_isr_lifo_get(). It gets - * an item from the LIFO in the context of an ISR. - * - * @param data pointer to ISR handler parameter - * - * @return N/A - */ - -void isr_lifo_get(void *data) -{ - ISR_LIFO_INFO *pInfo = (ISR_LIFO_INFO *) data; - - pInfo->data = nano_isr_lifo_get(pInfo->lifo_ptr, TICKS_NONE); -} - -static void _trigger_nano_isr_lifo_get(void) -{ - irq_offload(isr_lifo_get, &isrLifoInfo); -} - - -/** - * - * @brief Fiber portion of test that waits on a LIFO - * - * This routine works with taskLifoWaitTest() to test the addition and removal - * of items to/from a LIFO. The cases covered will have a fiber or task waiting - * on an empty LIFO. - * - * @return 0 on success, -1 on failure - */ - -int fiberLifoWaitTest(void) -{ - void *data; /* ptr to data retrieved from LIFO */ - - /* - * The LIFO is empty; wait for an item to be added to the LIFO - * from the task. - */ - - TC_PRINT("Fiber waiting on an empty LIFO\n"); - nano_fiber_sem_give(&taskWaitSem); - data = nano_fiber_lifo_get(&test_lifo, TICKS_UNLIMITED); - if (data != &lifoItem[0]) { - fiberDetectedFailure = 1; - return -1; - } - - nano_fiber_sem_take(&fiberWaitSem, TICKS_UNLIMITED); - data = nano_fiber_lifo_get(&test_lifo, TICKS_UNLIMITED); - if (data != &lifoItem[2]) { - fiberDetectedFailure = 1; - return -1; - } - - /* - * Give the task some time to check the results. Ideally, this would - * be waiting for a semaphore instead of a using a delay, but if the - * main task wakes the fiber before it blocks on the LIFO, the fiber - * will add the item to the LIFO too soon. Obviously, a semaphore could - * not be given if the task is blocked on the LIFO; hence the delay. - */ - - nano_fiber_timer_start(&timer, SECONDS(2)); - nano_fiber_timer_test(&timer, TICKS_UNLIMITED); - - /* The task is waiting on an empty LIFO. Wake it up. */ - nano_fiber_lifo_put(&test_lifo, &lifoItem[3]); - nano_fiber_lifo_put(&test_lifo, &lifoItem[1]); - - /* - * Wait for the task to check the results. If the results pass, then the - * the task will wake the fiber. If the results do not pass, then the - * fiber will wait forever. - */ - - nano_fiber_sem_take(&fiberWaitSem, TICKS_UNLIMITED); - - return 0; -} - -/** - * - * @brief Fiber portion of test that does not wait on a LIFO - * - * This routine works with fiberLifoNonWaitTest() to test the addition and - * removal of items from a LIFO without having to wait. - * - * @return 0 on success, -1 on failure - */ - -int fiberLifoNonWaitTest(void) -{ - void *data; /* pointer to data retrieved from LIFO */ - - /* The LIFO has two items in it; retrieve them both */ - - data = nano_fiber_lifo_get(&test_lifo, TICKS_NONE); - if (data != (void *) &lifoItem[3]) { - goto errorReturn; - } - - data = nano_fiber_lifo_get(&test_lifo, TICKS_NONE); - if (data != (void *) &lifoItem[2]) { - goto errorReturn; - } - - /* LIFO should be empty--verify. */ - data = nano_fiber_lifo_get(&test_lifo, TICKS_NONE); - if (data != NULL) { - goto errorReturn; - } - - /* - * The LIFO is now empty. Add two items to the LIFO and then wait - * for the semaphore so that the task can retrieve them. - */ - - TC_PRINT("Task to get LIFO items without waiting\n"); - nano_fiber_lifo_put(&test_lifo, &lifoItem[0]); - nano_fiber_lifo_put(&test_lifo, &lifoItem[1]); - nano_fiber_sem_give(&taskWaitSem); /* Wake the task (if blocked) */ - - /* - * Wait for the task to get the items and then trigger an ISR to populate - * the LIFO. - */ - - nano_fiber_sem_take(&fiberWaitSem, TICKS_UNLIMITED); - - /* - * The task retrieved the two items from the LIFO and then triggered - * two interrupts to add two other items to the LIFO. The fiber will - * now trigger two interrupts to read the two items. - */ - - _trigger_nano_isr_lifo_get(); - if (isrLifoInfo.data != &lifoItem[1]) { - goto errorReturn; - } - - _trigger_nano_isr_lifo_get(); - if (isrLifoInfo.data != &lifoItem[3]) { - goto errorReturn; - } - - /* The LIFO should now be empty--verify */ - _trigger_nano_isr_lifo_get(); - if (isrLifoInfo.data != NULL) { - goto errorReturn; - } - - return 0; - -errorReturn: - fiberDetectedFailure = 1; - return -1; -} - -/** - * - * @brief Entry point for the fiber portion of the LIFO tests - * - * NOTE: The fiber portion of the tests have higher priority than the task - * portion of the tests. - * - * @param arg1 unused - * @param arg2 unused - * - * @return N/A - */ - -static void fiberEntry(int arg1, int arg2) -{ - int rv; /* return value from a test */ - - ARG_UNUSED(arg1); - ARG_UNUSED(arg2); - - rv = fiberLifoWaitTest(); - - if (rv == 0) { - fiberLifoNonWaitTest(); - } - -} - -/** - * - * @brief Task portion of test that waits on a LIFO - * - * This routine works with fiberLifoWaitTest() to test the addition and removal - * of items to/from a LIFO. The cases covered will have a fiber or task waiting - * on an empty LIFO. - * - * @return TC_PASS on success, TC_FAIL on failure - */ - -int taskLifoWaitTest(void) -{ - void *data; /* ptr to data retrieved from LIFO */ - - /* Wait on <taskWaitSem> in case fiber's print message blocked */ - nano_fiber_sem_take(&taskWaitSem, TICKS_UNLIMITED); - - /* The fiber is waiting on the LIFO. Wake it. */ - nano_task_lifo_put(&test_lifo, &lifoItem[0]); - - /* - * The fiber ran, but is now blocked on the semaphore. Add an item to the - * LIFO before giving the semaphore that wakes the fiber so that we can - * cover the path of nano_fiber_lifo_get(TICKS_UNLIMITED) not waiting on - * the LIFO. - */ - - nano_task_lifo_put(&test_lifo, &lifoItem[2]); - nano_task_sem_give(&fiberWaitSem); - - /* Check that the fiber got the correct item (lifoItem[0]) */ - - if (fiberDetectedFailure) { - TC_ERROR(" *** nano_task_lifo_put()/nano_fiber_lifo_get() failure\n"); - return TC_FAIL; - } - - /* The LIFO is empty. This time the task will wait for the item. */ - - TC_PRINT("Task waiting on an empty LIFO\n"); - data = nano_task_lifo_get(&test_lifo, TICKS_UNLIMITED); - if (data != (void *) &lifoItem[1]) { - TC_ERROR(" *** nano_task_lifo_get()/nano_fiber_lifo_put() failure\n"); - return TC_FAIL; - } - - data = nano_task_lifo_get(&test_lifo, TICKS_UNLIMITED); - if (data != (void *) &lifoItem[3]) { - TC_ERROR(" *** nano_task_lifo_get()/nano_fiber_lifo_put() failure\n"); - return TC_FAIL; - } - - - /* Waiting on an empty LIFO passed for both fiber and task. */ - - return TC_PASS; -} - -/** - * - * @brief Task portion of test that does not wait on a LIFO - * - * This routine works with fiberLifoNonWaitTest() to test the addition and - * removal of items from a LIFO without having to wait. - * - * @return TC_PASS on success, TC_FAIL on failure - */ - -int taskLifoNonWaitTest(void) -{ - void *data; /* ptr to data retrieved from LIFO */ - - /* - * The fiber is presently waiting for <fiberWaitSem>. Populate the LIFO - * before waking the fiber. - */ - - TC_PRINT("Fiber to get LIFO items without waiting\n"); - nano_task_lifo_put(&test_lifo, &lifoItem[2]); - nano_task_lifo_put(&test_lifo, &lifoItem[3]); - nano_task_sem_give(&fiberWaitSem); /* Wake the fiber */ - - /* Check that fiber received the items correctly */ - if (fiberDetectedFailure) { - TC_ERROR(" *** nano_task_lifo_put()/nano_fiber_lifo_get() failure\n"); - return TC_FAIL; - } - - /* Wait for the fiber to be ready */ - nano_task_sem_take(&taskWaitSem, TICKS_UNLIMITED); - - data = nano_task_lifo_get(&test_lifo, TICKS_NONE); - if (data != (void *) &lifoItem[1]) { - TC_ERROR(" *** nano_task_lifo_get()/nano_fiber_lifo_put() failure\n"); - return TC_FAIL; - } - - data = nano_task_lifo_get(&test_lifo, TICKS_NONE); - if (data != (void *) &lifoItem[0]) { - TC_ERROR(" *** nano_task_lifo_get()/nano_fiber_lifo_put() failure\n"); - return TC_FAIL; - } - - data = nano_task_lifo_get(&test_lifo, TICKS_NONE); - if (data != NULL) { - TC_ERROR(" *** nano_task_lifo_get()/nano_fiber_lifo_put() failure\n"); - return TC_FAIL; - } - - /* - * Software interrupts have been configured so that when invoked, - * the ISR will add an item to the LIFO. The fiber (when unblocked) - * trigger software interrupts to get the items from the LIFO from - * within an ISR. - * - * Populate the LIFO. - */ - - TC_PRINT("ISR to get LIFO items without waiting\n"); - isrLifoInfo.data = &lifoItem[3]; - _trigger_nano_isr_lifo_put(); - isrLifoInfo.data = &lifoItem[1]; - _trigger_nano_isr_lifo_put(); - - isrLifoInfo.data = NULL; /* Force NULL to ensure [data] changes */ - - nano_task_sem_give(&fiberWaitSem); /* Wake the fiber */ - - if (fiberDetectedFailure) { - TC_ERROR(" *** nano_isr_lifo_put()/nano_isr_lifo_get() failure\n"); - return TC_FAIL; - } - - return TC_PASS; -} - -/** - * - * @brief Initialize nanokernel objects - * - * This routine initializes the nanokernel objects used in the LIFO tests. - * - * @return N/A - */ - -void initNanoObjects(void) -{ - nano_lifo_init(&test_lifo); /* Initialize the LIFO */ - nano_sem_init(&taskWaitSem); /* Initialize the task waiting semaphore */ - nano_sem_init(&fiberWaitSem); /* Initialize the fiber waiting semaphore */ - nano_timer_init(&timer, timerData); - - nano_lifo_init(&multi_waiters); - nano_sem_init(&reply_multi_waiters); - - TC_PRINT("Nano objects initialized\n"); -} - -/* - * Multiple-waiters test - * - * NUM_WAITERS fibers pend on the multi_waiters LIFO, then the task puts data - * on the LIFO NUM_WAITERS times. Each time, the first fiber in the queue wakes - * up, is context-switched to, verifies the data is the one expected, and gives - * the reply_multi_waiters semaphore, for a total of NUM_WAITERS times. The - * task finally must be able to obtain the reply_multi_waiters semaphore - * NUM_WAITERS times. - */ -#define NUM_WAITERS 3 -static char __stack fiber_multi_waiters_stacks[NUM_WAITERS][FIBER_STACKSIZE]; -static LIFO_ITEM multi_waiters_items[NUM_WAITERS] = { - [0 ...(NUM_WAITERS-1)].link = 0, - [0 ...(NUM_WAITERS-1)].data = 0xabad1dea, -}; - -/** - * - * @brief Fiber entry point for multiple-waiters test - * - * @return N/A - */ - -static void fiber_multi_waiters(int arg1, int arg2) -{ - void *item; - - TC_PRINT("multiple-waiter fiber %d receiving item...\n", arg1); - item = nano_fiber_lifo_get(&multi_waiters, TICKS_UNLIMITED); - if (item != &multi_waiters_items[arg1]) { - TC_ERROR(" *** fiber %d did not receive correct item\n", arg1); - TC_ERROR(" *** received %p instead of %p.\n", - item, &multi_waiters_items[arg1]); - - /* do NOT give the semaphore, signifying an error */ - return; - } - TC_PRINT("multiple-waiter fiber %d got correct item, giving semaphore\n", - arg1); - nano_fiber_sem_give(&reply_multi_waiters); -} - -/** - * - * @brief Task part of multiple-waiter test, repeatable - * - * @return N/A - */ - -static int do_test_multiple_waiters(void) -{ - int ii; - - /* pend all fibers one the same lifo */ - for (ii = 0; ii < NUM_WAITERS; ii++) { - task_fiber_start(fiber_multi_waiters_stacks[ii], FIBER_STACKSIZE, - fiber_multi_waiters, ii, 0, FIBER_PRIORITY, 0); - } - - /* wake up all the fibers: the task is preempted each time */ - for (ii = 0; ii < NUM_WAITERS; ii++) { - nano_task_lifo_put(&multi_waiters, &multi_waiters_items[ii]); - } - - /* reply_multi_waiters will have been given once for each fiber */ - for (ii = 0; ii < NUM_WAITERS; ii++) { - if (!nano_task_sem_take(&reply_multi_waiters, TICKS_NONE)) { - TC_ERROR(" *** Cannot take sem supposedly given by waiters.\n"); - return TC_FAIL; - } - } - - TC_PRINT("Task took multi-waiter reply semaphore %d times, as expected.\n", - NUM_WAITERS); - - if (nano_task_lifo_get(&multi_waiters, TICKS_NONE)) { - TC_ERROR(" *** multi_waiters should have been empty.\n"); - return TC_FAIL; - } - - return TC_PASS; -} - -/** - * - * @brief Entry point for multiple-waiters test - * - * @return N/A - */ - -static int test_multiple_waiters(void) -{ - TC_PRINT("First pass\n"); - if (do_test_multiple_waiters() == TC_FAIL) { - TC_ERROR(" *** First pass test failed.\n"); - return TC_FAIL; - } - - /* - * Verity a wait q that has been emptied has been reset correctly, so - * redo the test. This time, send one message before starting the fibers. - */ - - TC_PRINT("Second pass\n"); - if (do_test_multiple_waiters() == TC_FAIL) { - TC_ERROR(" *** Second pass test failed.\n"); - return TC_FAIL; - } - - return TC_PASS; -} - -/* timeout tests - * - * Test the nano_xxx_lifo_wait_timeout() APIs. - * - * First, the task waits with a timeout and times out. Then it wait with a - * timeout, but gets the data in time. - * - * Then, multiple timeout tests are done for the fibers, to test the ordering - * of queueing/dequeueing when timeout occurs, first on one lifo, then on - * multiple lifos. - * - * Finally, multiple fibers pend on one lifo, and they all get the - * data in time, except the last one: this tests that the timeout is - * recomputed correctly when timeouts are aborted. - */ - -#include <tc_nano_timeout_common.h> - -struct scratch_q_packet { - void *link_in_q; - void *data_if_needed; -}; - -struct reply_packet { - void *link_in_fifo; - int reply; -}; - -#define NUM_SCRATCH_Q_PACKETS 20 -struct scratch_q_packet scratch_q_packets[NUM_SCRATCH_Q_PACKETS]; - -struct nano_fifo scratch_q_packets_fifo; - -void *get_scratch_packet(void) -{ - void *packet = nano_fifo_get(&scratch_q_packets_fifo, TICKS_NONE); - - __ASSERT_NO_MSG(packet); - - return packet; -} - -void put_scratch_packet(void *packet) -{ - nano_fifo_put(&scratch_q_packets_fifo, packet); -} - -static struct nano_lifo lifo_timeout[2]; -struct nano_fifo timeout_order_fifo; - -struct timeout_order_data { - void *link_in_lifo; - struct nano_lifo *lifo; - int32_t timeout; - int timeout_order; - int q_order; -}; - -struct timeout_order_data timeout_order_data[] = { - {0, &lifo_timeout[0], TIMEOUT(2), 2, 0}, - {0, &lifo_timeout[0], TIMEOUT(4), 4, 1}, - {0, &lifo_timeout[0], TIMEOUT(0), 0, 2}, - {0, &lifo_timeout[0], TIMEOUT(1), 1, 3}, - {0, &lifo_timeout[0], TIMEOUT(3), 3, 4}, -}; - -struct timeout_order_data timeout_order_data_mult_lifo[] = { - {0, &lifo_timeout[1], TIMEOUT(0), 0, 0}, - {0, &lifo_timeout[0], TIMEOUT(3), 3, 1}, - {0, &lifo_timeout[0], TIMEOUT(5), 5, 2}, - {0, &lifo_timeout[1], TIMEOUT(8), 8, 3}, - {0, &lifo_timeout[1], TIMEOUT(7), 7, 4}, - {0, &lifo_timeout[0], TIMEOUT(1), 1, 5}, - {0, &lifo_timeout[0], TIMEOUT(6), 6, 6}, - {0, &lifo_timeout[0], TIMEOUT(2), 2, 7}, - {0, &lifo_timeout[1], TIMEOUT(4), 4, 8}, -}; - -#define TIMEOUT_ORDER_NUM_FIBERS ARRAY_SIZE(timeout_order_data_mult_lifo) -static char __stack timeout_stacks[TIMEOUT_ORDER_NUM_FIBERS][FIBER_STACKSIZE]; - -/* a fiber sleeps then puts data on the lifo */ -static void test_fiber_put_timeout(int lifo, int timeout) -{ - fiber_sleep((int32_t)timeout); - nano_fiber_lifo_put((struct nano_lifo *)lifo, get_scratch_packet()); -} - -/* a fiber pends on a lifo then times out */ -static void test_fiber_pend_and_timeout(int data, int unused) -{ - struct timeout_order_data *d = (void *)data; - int32_t orig_ticks = sys_tick_get(); - void *packet; - - ARG_UNUSED(unused); - - packet = nano_fiber_lifo_get(d->lifo, d->timeout); - if (packet) { - TC_ERROR(" *** timeout of %d did not time out.\n", - d->timeout); - return; - } - if (!is_timeout_in_range(orig_ticks, d->timeout)) { - return; - } - - nano_fiber_fifo_put(&timeout_order_fifo, d); -} - -/* the task spins several fibers that pend and timeout on lifos */ -static int test_multiple_fibers_pending(struct timeout_order_data *test_data, - int test_data_size) -{ - int ii; - - for (ii = 0; ii < test_data_size; ii++) { - task_fiber_start(timeout_stacks[ii], FIBER_STACKSIZE, - test_fiber_pend_and_timeout, - (int)&test_data[ii], 0, - FIBER_PRIORITY, 0); - } - - for (ii = 0; ii < test_data_size; ii++) { - struct timeout_order_data *data = - nano_task_fifo_get(&timeout_order_fifo, TICKS_UNLIMITED); - - if (data->timeout_order == ii) { - TC_PRINT(" got fiber (q order: %d, t/o: %d, lifo %p) as expected\n", - data->q_order, data->timeout, data->lifo); - } else { - TC_ERROR(" *** fiber %d woke up, expected %d\n", - data->timeout_order, ii); - return TC_FAIL; - } - } - - return TC_PASS; -} - -/* a fiber pends on a lifo with a timeout and gets the data in time */ -static void test_fiber_pend_and_get_data(int data, int unused) -{ - struct timeout_order_data *d = (void *)data; - void *packet; - - ARG_UNUSED(unused); - - packet = nano_fiber_lifo_get(d->lifo, d->timeout); - if (!packet) { - TC_PRINT(" *** fiber (q order: %d, t/o: %d, lifo %p) timed out!\n", - d->q_order, d->timeout, d->lifo); - return; - } - - put_scratch_packet(packet); - nano_fiber_fifo_put(&timeout_order_fifo, d); -} - -/* the task spins fibers that get lifo data in time, except the last one */ -static int test_multiple_fibers_get_data(struct timeout_order_data *test_data, - int test_data_size) -{ - struct timeout_order_data *data; - int ii; - - for (ii = 0; ii < test_data_size-1; ii++) { - task_fiber_start(timeout_stacks[ii], FIBER_STACKSIZE, - test_fiber_pend_and_get_data, - (int)&test_data[ii], 0, - FIBER_PRIORITY, 0); - } - task_fiber_start(timeout_stacks[ii], FIBER_STACKSIZE, - test_fiber_pend_and_timeout, - (int)&test_data[ii], 0, - FIBER_PRIORITY, 0); - - for (ii = 0; ii < test_data_size-1; ii++) { - - nano_task_lifo_put(test_data[ii].lifo, get_scratch_packet()); - - data = nano_task_fifo_get(&timeout_order_fifo, TICKS_UNLIMITED); - - if (data->q_order == ii) { - TC_PRINT(" got fiber (q order: %d, t/o: %d, lifo %p) as expected\n", - data->q_order, data->timeout, data->lifo); - } else { - TC_ERROR(" *** fiber %d woke up, expected %d\n", - data->q_order, ii); - return TC_FAIL; - } - } - - data = nano_task_fifo_get(&timeout_order_fifo, TICKS_UNLIMITED); - if (data->q_order == ii) { - TC_PRINT(" got fiber (q order: %d, t/o: %d, lifo %p) as expected\n", - data->q_order, data->timeout, data->lifo); - } else { - TC_ERROR(" *** fiber %d woke up, expected %d\n", - data->timeout_order, ii); - return TC_FAIL; - } - - return TC_PASS; -} - -/* try getting data on lifo with special timeout value, return result in fifo */ -static void test_fiber_ticks_special_values(int packet, int special_value) -{ - struct reply_packet *reply_packet = (void *)packet; - - reply_packet->reply = - !!nano_fiber_lifo_get(&lifo_timeout[0], special_value); - - nano_fiber_fifo_put(&timeout_order_fifo, reply_packet); -} - -/* the timeout test entry point */ -static int test_timeout(void) -{ - int64_t orig_ticks; - int32_t timeout; - int rv; - void *packet, *scratch_packet; - int test_data_size; - int ii; - struct reply_packet reply_packet; - - nano_lifo_init(&lifo_timeout[0]); - nano_lifo_init(&lifo_timeout[1]); - nano_fifo_init(&timeout_order_fifo); - nano_fifo_init(&scratch_q_packets_fifo); - - for (ii = 0; ii < NUM_SCRATCH_Q_PACKETS; ii++) { - scratch_q_packets[ii].data_if_needed = (void *)ii; - nano_task_fifo_put(&scratch_q_packets_fifo, - &scratch_q_packets[ii]); - } - - /* test nano_task_lifo_get() with timeout */ - timeout = 10; - orig_ticks = sys_tick_get(); - packet = nano_task_lifo_get(&lifo_timeout[0], timeout); - if (packet) { - TC_ERROR(" *** timeout of %d did not time out.\n", timeout); - return TC_FAIL; - } - if ((sys_tick_get() - orig_ticks) < timeout) { - TC_ERROR(" *** task did not wait long enough on timeout of %d.\n", - timeout); - return TC_FAIL; - } - - /* test nano_task_lifo_get() with timeout of 0 */ - - packet = nano_task_lifo_get(&lifo_timeout[0], 0); - if (packet) { - TC_ERROR(" *** timeout of 0 did not time out.\n"); - return TC_FAIL; - } - - /* test nano_task_lifo_get() with timeout > 0 */ - - TC_PRINT("test nano_task_lifo_get() with timeout > 0\n"); - - timeout = 3; - orig_ticks = sys_tick_get(); - - packet = nano_task_lifo_get(&lifo_timeout[0], timeout); - - if (packet) { - TC_ERROR(" *** timeout of %d did not time out.\n", - timeout); - return TC_FAIL; - } - - if (!is_timeout_in_range(orig_ticks, timeout)) { - return TC_FAIL; - } - - TC_PRINT("nano_task_lifo_get() timed out as expected\n"); - - /* - * test nano_task_lifo_get() with a timeout and fiber that puts - * data on the lifo on time - */ - - timeout = 5; - orig_ticks = sys_tick_get(); - - task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE, - test_fiber_put_timeout, (int)&lifo_timeout[0], - timeout, - FIBER_PRIORITY, 0); - - packet = nano_task_lifo_get(&lifo_timeout[0], - (int)(timeout + 5)); - if (!packet) { - TC_ERROR(" *** data put in time did not return valid pointer.\n"); - return TC_FAIL; - } - - put_scratch_packet(packet); - - if (!is_timeout_in_range(orig_ticks, timeout)) { - return TC_FAIL; - } - - TC_PRINT("nano_task_lifo_get() got lifo in time, as expected\n"); - - /* - * test nano_task_lifo_get() with TICKS_NONE and no data - * unavailable. - */ - - if (nano_task_lifo_get(&lifo_timeout[0], TICKS_NONE)) { - TC_ERROR("task with TICKS_NONE got data, but shouldn't have\n"); - return TC_FAIL; - } - - TC_PRINT("task with TICKS_NONE did not get data, as expected\n"); - - /* - * test nano_task_lifo_get() with TICKS_NONE and some data - * available. - */ - - scratch_packet = get_scratch_packet(); - nano_task_lifo_put(&lifo_timeout[0], scratch_packet); - if (!nano_task_lifo_get(&lifo_timeout[0], TICKS_NONE)) { - TC_ERROR("task with TICKS_NONE did not get available data\n"); - return TC_FAIL; - } - put_scratch_packet(scratch_packet); - - TC_PRINT("task with TICKS_NONE got available data, as expected\n"); - - /* - * test nano_task_lifo_get() with TICKS_UNLIMITED and the - * data available. - */ - - TC_PRINT("Trying to take available data with TICKS_UNLIMITED:\n" - " will hang the test if it fails.\n"); - - scratch_packet = get_scratch_packet(); - nano_task_lifo_put(&lifo_timeout[0], scratch_packet); - if (!nano_task_lifo_get(&lifo_timeout[0], TICKS_UNLIMITED)) { - TC_ERROR(" *** This will never be hit!!! .\n"); - return TC_FAIL; - } - put_scratch_packet(scratch_packet); - - TC_PRINT("task with TICKS_UNLIMITED got available data, as expected\n"); - - /* test fiber with timeout of TICKS_NONE not getting data on empty lifo */ - - task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE, - test_fiber_ticks_special_values, - (int)&reply_packet, TICKS_NONE, FIBER_PRIORITY, 0); - - if (!nano_task_fifo_get(&timeout_order_fifo, TICKS_NONE)) { - TC_ERROR(" *** fiber should have run and filled the fifo.\n"); - return TC_FAIL; - } - - if (reply_packet.reply != 0) { - TC_ERROR(" *** fiber should not have obtained the data.\n"); - return TC_FAIL; - } - - TC_PRINT("fiber with TICKS_NONE did not get data, as expected\n"); - - /* test fiber with timeout of TICKS_NONE getting data when available */ - - scratch_packet = get_scratch_packet(); - nano_task_lifo_put(&lifo_timeout[0], scratch_packet); - task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE, - test_fiber_ticks_special_values, - (int)&reply_packet, TICKS_NONE, FIBER_PRIORITY, 0); - put_scratch_packet(scratch_packet); - - if (!nano_task_fifo_get(&timeout_order_fifo, TICKS_NONE)) { - TC_ERROR(" *** fiber should have run and filled the fifo.\n"); - return TC_FAIL; - } - - if (reply_packet.reply != 1) { - TC_ERROR(" *** fiber should have obtained the data.\n"); - return TC_FAIL; - } - - TC_PRINT("fiber with TICKS_NONE got available data, as expected\n"); - - /* test fiber with TICKS_UNLIMITED timeout getting data when availalble */ - - scratch_packet = get_scratch_packet(); - nano_task_lifo_put(&lifo_timeout[0], scratch_packet); - task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE, - test_fiber_ticks_special_values, - (int)&reply_packet, TICKS_UNLIMITED, FIBER_PRIORITY, 0); - put_scratch_packet(scratch_packet); - - if (!nano_task_fifo_get(&timeout_order_fifo, TICKS_NONE)) { - TC_ERROR(" *** fiber should have run and filled the fifo.\n"); - return TC_FAIL; - } - - if (reply_packet.reply != 1) { - TC_ERROR(" *** fiber should have obtained the data.\n"); - return TC_FAIL; - } - - TC_PRINT("fiber with TICKS_UNLIMITED got available data, as expected\n"); - - /* test multiple fibers pending on the same lifo with different timeouts */ - - test_data_size = ARRAY_SIZE(timeout_order_data); - - TC_PRINT("testing timeouts of %d fibers on same lifo\n", test_data_size); - - rv = test_multiple_fibers_pending(timeout_order_data, test_data_size); - if (rv != TC_PASS) { - TC_ERROR(" *** fibers did not time out in the right order\n"); - return TC_FAIL; - } - - /* test mult. fibers pending on different lifos with different timeouts */ - - test_data_size = ARRAY_SIZE(timeout_order_data_mult_lifo); - - TC_PRINT("testing timeouts of %d fibers on different lifos\n", - test_data_size); - - rv = test_multiple_fibers_pending(timeout_order_data_mult_lifo, - test_data_size); - if (rv != TC_PASS) { - TC_ERROR(" *** fibers did not time out in the right order\n"); - return TC_FAIL; - } - - /* - * test multiple fibers pending on same lifo with different timeouts, but - * getting the data in time, except the last one. - */ - - test_data_size = ARRAY_SIZE(timeout_order_data); - - TC_PRINT("testing %d fibers timing out, but obtaining the data in time\n" - "(except the last one, which times out)\n", - test_data_size); - - rv = test_multiple_fibers_get_data(timeout_order_data, test_data_size); - if (rv != TC_PASS) { - TC_ERROR(" *** fibers did not get the data in the right order\n"); - return TC_FAIL; - } - - return TC_PASS; -} - -/** - * - * @brief Entry point to LIFO tests - * - * This is the entry point to the LIFO tests. - * - * @return N/A - */ - -void main(void) -{ - int rv; /* return value from tests */ - - TC_START("Test Nanokernel LIFO"); - - initNanoObjects(); - - /* - * Start the fiber. The fiber will be given a higher priority than the - * main task. - */ - - task_fiber_start(fiberStack, FIBER_STACKSIZE, fiberEntry, - 0, 0, FIBER_PRIORITY, 0); - - rv = taskLifoWaitTest(); - - if (rv == TC_PASS) { - rv = taskLifoNonWaitTest(); - } - - if (rv == TC_PASS) { - rv = test_multiple_waiters(); - } - - /* test timeouts */ - if (rv == TC_PASS) { - rv = test_timeout(); - } - - TC_END_RESULT(rv); - TC_END_REPORT(rv); -} |