int testSemWait(void)
{
if (fiberDetectedFailure != 0) {
TC_ERROR(" *** Failure detected in the fiber.");
return TC_FAIL;
}
nano_task_sem_give(&testSem); /* Wake the fiber. */
if (semTestState != STS_TASK_WOKE_FIBER) {
TC_ERROR(" *** Expected task to wake fiber. It did not.\n");
return TC_FAIL;
}
TC_PRINT("Semaphore from the task woke the fiber\n");
nano_task_sem_take(&testSem, TICKS_UNLIMITED); /* Wait on <testSem> */
if (semTestState != STS_FIBER_WOKE_TASK) {
TC_ERROR(" *** Expected fiber to wake task. It did not.\n");
return TC_FAIL;
}
TC_PRINT("Semaphore from the fiber woke the task\n");
nano_task_sem_take(&testSem, TICKS_UNLIMITED); /* Wait on <testSem> again. */
if (semTestState != STS_ISR_WOKE_TASK) {
TC_ERROR(" *** Expected ISR to wake task. It did not.\n");
return TC_FAIL;
}
TC_PRINT("Semaphore from the ISR woke the task.\n");
return TC_PASS;
}
int testSemTaskNoWait(void)
{
int i; /* loop counter */
TC_PRINT("Giving and taking a semaphore in a task (non-blocking)\n");
/*
* Give the semaphore many times and then make sure that it can only be
* taken that many times.
*/
for (i = 0; i < 32; i++) {
nano_task_sem_give(&testSem);
}
for (i = 0; i < 32; i++) {
if (nano_task_sem_take(&testSem, TICKS_NONE) != 1) {
TC_ERROR(" *** Expected nano_task_sem_take() to succeed, not fail\n");
goto errorReturn;
}
}
if (nano_task_sem_take(&testSem, TICKS_NONE) != 0) {
TC_ERROR(" *** Expected nano_task_sem_take() to fail, not succeed!\n");
goto errorReturn;
}
return TC_PASS;
errorReturn:
return TC_FAIL;
}
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;
}
void RegressionTaskEntry(void)
{
int tcRC;
nano_sem_init(&test_nano_timers_sem);
PRINT_DATA("Starting timer tests\n");
PRINT_LINE;
task_fiber_start(test_nano_timers_stack, 512, test_nano_timers, 0, 0, 5, 0);
/* Test the task_timer_alloc() API */
TC_PRINT("Test the allocation of timers\n");
tcRC = testLowTimerGet();
if (tcRC != TC_PASS) {
goto exitRtn;
}
TC_PRINT("Test the one shot feature of a timer\n");
tcRC = testLowTimerOneShot();
if (tcRC != TC_PASS) {
goto exitRtn;
}
TC_PRINT("Test that a timer does not start\n");
tcRC = testLowTimerDoesNotStart();
if (tcRC != TC_PASS) {
goto exitRtn;
}
TC_PRINT("Test the periodic feature of a timer\n");
tcRC = testLowTimerPeriodicity();
if (tcRC != TC_PASS) {
goto exitRtn;
}
TC_PRINT("Test the stopping of a timer\n");
tcRC = testLowTimerStop();
if (tcRC != TC_PASS) {
goto exitRtn;
}
TC_PRINT("Verifying the nanokernel timer fired\n");
if (!nano_task_sem_take(&test_nano_timers_sem)) {
tcRC = TC_FAIL;
goto exitRtn;
}
TC_PRINT("Verifying the nanokernel timeouts worked\n");
tcRC = task_sem_take_wait_timeout(test_nano_timeouts_sem, SECONDS(5));
tcRC = tcRC == RC_OK ? TC_PASS : TC_FAIL;
exitRtn:
TC_END_RESULT(tcRC);
TC_END_REPORT(tcRC);
}
void main(void)
{
int status = TC_FAIL;
uint32_t start_tick;
uint32_t end_tick;
TC_START("Test Nanokernel Sleep and Wakeup APIs\n");
test_objects_init();
test_fiber_id = task_fiber_start(test_fiber_stack, FIBER_STACKSIZE,
test_fiber, 0, 0, TEST_FIBER_PRIORITY, 0);
TC_PRINT("Test fiber started: id = 0x%x\n", test_fiber_id);
helper_fiber_id = task_fiber_start(helper_fiber_stack, FIBER_STACKSIZE,
helper_fiber, 0, 0, HELPER_FIBER_PRIORITY, 0);
TC_PRINT("Helper fiber started: id = 0x%x\n", helper_fiber_id);
/* Activate test_fiber */
nano_task_sem_give(&test_fiber_sem);
/* Wait for test_fiber to activate us */
nano_task_sem_take(&task_sem, TICKS_UNLIMITED);
/* Wake the test fiber */
task_fiber_wakeup(test_fiber_id);
if (test_failure) {
goto done_tests;
}
TC_PRINT("Testing nanokernel task_sleep()\n");
align_to_tick_boundary();
start_tick = sys_tick_get_32();
task_sleep(ONE_SECOND);
end_tick = sys_tick_get_32();
if (end_tick - start_tick != ONE_SECOND) {
TC_ERROR("task_sleep() slept for %d ticks, not %d\n",
end_tick - start_tick, ONE_SECOND);
goto done_tests;
}
status = TC_PASS;
done_tests:
TC_END_REPORT(status);
}
int nano_task_sem_take_wait_timeout(struct nano_sem *sem, int32_t timeout_in_ticks)
{
int64_t cur_ticks, limit;
unsigned int key;
if (unlikely(TICKS_UNLIMITED == timeout_in_ticks)) {
nano_task_sem_take_wait(sem);
return 1;
}
if (unlikely(TICKS_NONE == timeout_in_ticks)) {
return nano_task_sem_take(sem);
}
key = irq_lock_inline();
cur_ticks = nano_tick_get();
limit = cur_ticks + timeout_in_ticks;
while (cur_ticks < limit) {
/*
* Predict that the branch will be taken to break out of the loop.
* There is little cost to a misprediction since that leads to idle.
*/
if (likely(sem->nsig > 0)) {
sem->nsig--;
irq_unlock_inline(key);
return 1;
}
/* see explanation in nano_stack.c:nano_task_stack_pop_wait() */
nano_cpu_atomic_idle(key);
key = irq_lock_inline();
cur_ticks = nano_tick_get();
}
irq_unlock_inline(key);
return 0;
}
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;
}
void main(void)
{
int count = 0; /* counter */
uint32_t data; /* data used to put and get from the stack queue */
int rc; /* return code */
TC_START("Test Nanokernel STACK");
/* Initialize data */
initData();
/* Initialize the queues and semaphore */
initNanoObjects();
/* Start fiber3 */
task_fiber_start(&fiberStack3[0], STACKSIZE, (nano_fiber_entry_t) fiber3,
0, 0, 7, 0);
/*
* While fiber3 blocks (for one second), wait for an item to be pushed
* onto the stack so that it can be popped. This will put the nanokernel
* into an idle state.
*/
rc = nano_task_stack_pop(&nanoStackObj, &data, TICKS_UNLIMITED);
if ((rc == 0) || (data != myData[0])) {
TC_ERROR("nano_task_stack_pop(TICKS_UNLIMITED) expected 0x%x, but got 0x%x\n",
myData[0], data);
retCode = TC_FAIL;
goto exit;
}
/* Put data */
TC_PRINT("Test Task STACK Push\n");
TC_PRINT("\nTASK STACK Put Order: ");
for (int i=0; i<NUM_STACK_ELEMENT; i++) {
nano_task_stack_push(&nanoStackObj, myData[i]);
TC_PRINT(" %d,", myData[i]);
}
TC_PRINT("\n");
PRINT_LINE;
/* Start fiber */
task_fiber_start(&fiberStack1[0], STACKSIZE,
(nano_fiber_entry_t) fiber1, 0, 0, 7, 0);
if (retCode == TC_FAIL) {
goto exit;
}
/*
* Wait for fiber1 to complete execution. (Using a semaphore gives
* the fiber the freedom to do blocking-type operations if it wants to.)
*
*/
nano_task_sem_take(&nanoSemObj, TICKS_UNLIMITED);
TC_PRINT("Test Task STACK Pop\n");
/* Get all data */
while (nano_task_stack_pop(&nanoStackObj, &data, TICKS_NONE) != 0) {
TC_PRINT("TASK STACK Pop: count = %d, data is %d\n", count, data);
if ((count >= NUM_STACK_ELEMENT) || (data != myData[count])) {
TCERR1(count);
retCode = TC_FAIL;
goto exit;
}
count++;
}
/* Test Task Stack Pop Wait interfaces*/
testTaskStackPopW();
if (retCode == TC_FAIL) {
goto exit;
}
PRINT_LINE;
/* Test ISR interfaces */
testIsrStackFromTask();
PRINT_LINE;
exit:
TC_END_RESULT(retCode);
TC_END_REPORT(retCode);
}
static int test_timeout(void)
{
int32_t timeout;
int rv;
int ii;
struct timeout_order_data *data;
/*
* sys_thread_busy_wait() is currently unsupported for ARM
*/
#ifndef CONFIG_ARM
/* test sys_thread_busy_wait() */
TC_PRINT("Testing sys_thread_busy_wait()\n");
timeout = 2;
task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE,
test_fiber_busy_wait, (int)timeout, 0,
FIBER_PRIORITY, 0);
rv = nano_task_sem_take(&reply_timeout, timeout + 2);
if (!rv) {
rv = TC_FAIL;
TC_ERROR(" *** task timed out waiting for sys_thread_busy_wait()\n");
return TC_FAIL;
}
#endif /* CONFIG_ARM */
/* test fiber_sleep() */
TC_PRINT("Testing fiber_sleep()\n");
timeout = 5;
task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE,
test_fiber_sleep, (int)timeout, 0,
FIBER_PRIORITY, 0);
rv = nano_task_sem_take(&reply_timeout, timeout + 5);
if (!rv) {
rv = TC_FAIL;
TC_ERROR(" *** task timed out waiting for fiber on fiber_sleep().\n");
return TC_FAIL;
}
/* test fiber_delayed_start() without cancellation */
TC_PRINT("Testing fiber_delayed_start() without cancellation\n");
for (ii = 0; ii < NUM_TIMEOUT_FIBERS; ii++) {
(void)task_fiber_delayed_start(timeout_stacks[ii], FIBER_STACKSIZE,
delayed_fiber, ii, 0, 5, 0,
timeout_order_data[ii].timeout);
}
for (ii = 0; ii < NUM_TIMEOUT_FIBERS; ii++) {
data = nano_task_fifo_get(&timeout_order_fifo, TIMEOUT_TWO_INTERVALS);
if (!data) {
TC_ERROR(" *** timeout while waiting for delayed fiber\n");
return TC_FAIL;
}
if (data->timeout_order != ii) {
TC_ERROR(" *** wrong delayed fiber ran (got %d, expected %d)\n",
data->timeout_order, ii);
return TC_FAIL;
}
TC_PRINT(" got fiber (q order: %d, t/o: %d) as expected\n",
data->q_order, data->timeout);
}
/* ensure no more fibers fire */
data = nano_task_fifo_get(&timeout_order_fifo, TIMEOUT_TWO_INTERVALS);
if (data) {
TC_ERROR(" *** got something on the fifo, but shouldn't have...\n");
return TC_FAIL;
}
/* test fiber_delayed_start() with cancellation */
TC_PRINT("Testing fiber_delayed_start() with cancellations\n");
int cancellations[] = {0, 3, 4, 6};
int num_cancellations = ARRAY_SIZE(cancellations);
int next_cancellation = 0;
void *delayed_fibers[NUM_TIMEOUT_FIBERS];
for (ii = 0; ii < NUM_TIMEOUT_FIBERS; ii++) {
delayed_fibers[ii] =
task_fiber_delayed_start(timeout_stacks[ii], FIBER_STACKSIZE,
delayed_fiber, ii, 0, 5, 0,
timeout_order_data[ii].timeout);
}
for (ii = 0; ii < NUM_TIMEOUT_FIBERS; ii++) {
int jj;
if (ii == cancellations[next_cancellation]) {
TC_PRINT(" cancelling [q order: %d, t/o: %d, t/o order: %d]\n",
timeout_order_data[ii].q_order,
timeout_order_data[ii].timeout, ii);
for (jj = 0; jj < NUM_TIMEOUT_FIBERS; jj++) {
if (timeout_order_data[jj].timeout_order == ii) {
break;
}
}
task_fiber_delayed_start_cancel(delayed_fibers[jj]);
++next_cancellation;
continue;
}
data = nano_task_fifo_get(&timeout_order_fifo, TIMEOUT_TEN_INTERVALS);
if (!data) {
TC_ERROR(" *** timeout while waiting for delayed fiber\n");
return TC_FAIL;
}
if (data->timeout_order != ii) {
TC_ERROR(" *** wrong delayed fiber ran (got %d, expected %d)\n",
data->timeout_order, ii);
return TC_FAIL;
}
TC_PRINT(" got (q order: %d, t/o: %d, t/o order %d) as expected\n",
data->q_order, data->timeout);
}
if (num_cancellations != next_cancellation) {
TC_ERROR(" *** wrong number of cancellations (expected %d, got %d\n",
num_cancellations, next_cancellation);
return TC_FAIL;
}
/* ensure no more fibers fire */
data = nano_task_fifo_get(&timeout_order_fifo, TIMEOUT_TWO_INTERVALS);
if (data) {
TC_ERROR(" *** got something on the fifo, but shouldn't have...\n");
return TC_FAIL;
}
return TC_PASS;
}
void main(void)
{
void *pData; /* pointer to FIFO object get from the queue */
int count = 0; /* counter */
TC_START("Test Nanokernel FIFO");
/* Initialize the FIFO queues and semaphore */
initNanoObjects();
/* Create and start the three (3) fibers. */
task_fiber_start(&fiberStack1[0], FIBER_STACKSIZE, (nano_fiber_entry_t) fiber1,
0, 0, 7, 0);
task_fiber_start(&fiberStack2[0], FIBER_STACKSIZE, (nano_fiber_entry_t) fiber2,
0, 0, 7, 0);
task_fiber_start(&fiberStack3[0], FIBER_STACKSIZE, (nano_fiber_entry_t) fiber3,
0, 0, 7, 0);
/*
* The three fibers have each blocked on a different semaphore. Giving
* the semaphore nanoSemObjX will unblock fiberX (where X = {1, 2, 3}).
*
* Activate fibers #1 and #2. They will each block on nanoFifoObj.
*/
nano_task_sem_give(&nanoSemObj1);
nano_task_sem_give(&nanoSemObj2);
/* Put two items into <nanoFifoObj> to unblock fibers #1 and #2. */
nano_task_fifo_put(&nanoFifoObj, pPutList1[0]); /* Wake fiber1 */
nano_task_fifo_put(&nanoFifoObj, pPutList1[1]); /* Wake fiber2 */
/* Activate fiber #3 */
nano_task_sem_give(&nanoSemObj3);
/*
* All three fibers should be blocked on their semaphores. Put data into
* <nanoFifoObj2>. Fiber #3 will read it after it is reactivated.
*/
nano_task_fifo_put(&nanoFifoObj2, pPutList2[0]);
nano_task_sem_give(&nanoSemObj3); /* Reactivate fiber #3 */
for (int i = 0; i < 4; i++) {
pData = nano_task_fifo_get(&nanoFifoObj2, TICKS_UNLIMITED);
if (pData != pPutList2[i]) {
TC_ERROR("nano_task_fifo_get() expected 0x%x, got 0x%x\n",
pPutList2[i], pData);
goto exit;
}
}
/* Add items to <nanoFifoObj> for fiber #2 */
for (int i = 0; i < 4; i++) {
nano_task_fifo_put(&nanoFifoObj, pPutList1[i]);
}
nano_task_sem_give(&nanoSemObj2); /* Activate fiber #2 */
/* Wait for fibers to finish */
nano_task_sem_take(&nanoSemObjTask, TICKS_UNLIMITED);
if (retCode == TC_FAIL) {
goto exit;
}
/*
* Entries in the FIFO queue have to be unique.
* Put data to queue.
*/
TC_PRINT("Test Task FIFO Put\n");
TC_PRINT("\nTASK FIFO Put Order: ");
for (int i = 0; i < NUM_FIFO_ELEMENT; i++) {
nano_task_fifo_put(&nanoFifoObj, pPutList1[i]);
TC_PRINT(" %p,", pPutList1[i]);
}
TC_PRINT("\n");
PRINT_LINE;
nano_task_sem_give(&nanoSemObj1); /* Activate fiber1 */
if (retCode == TC_FAIL) {
goto exit;
}
/*
* Wait for fiber1 to complete execution. (Using a semaphore gives
* the fiber the freedom to do blocking-type operations if it wants to.)
*/
nano_task_sem_take(&nanoSemObjTask, TICKS_UNLIMITED);
TC_PRINT("Test Task FIFO Get\n");
/* Get all FIFOs */
while ((pData = nano_task_fifo_get(&nanoFifoObj, TICKS_NONE)) != NULL) {
TC_PRINT("TASK FIFO Get: count = %d, ptr is %p\n", count, pData);
if ((count >= NUM_FIFO_ELEMENT) || (pData != pPutList2[count])) {
TCERR1(count);
retCode = TC_FAIL;
goto exit;
}
count++;
}
/* Test FIFO Get Wait interfaces*/
testTaskFifoGetW();
PRINT_LINE;
testIsrFifoFromTask();
PRINT_LINE;
/* test timeouts */
if (test_fifo_timeout() != TC_PASS) {
retCode = TC_FAIL;
goto exit;
}
PRINT_LINE;
exit:
TC_END_RESULT(retCode);
TC_END_REPORT(retCode);
}
/* the timeout test entry point */
static int test_timeout(void)
{
int64_t orig_ticks;
int32_t timeout;
int rv;
int test_data_size;
struct reply_packet reply_packet;
nano_sem_init(&sem_timeout[0]);
nano_sem_init(&sem_timeout[1]);
nano_fifo_init(&timeout_order_fifo);
/* test nano_task_sem_take() with timeout */
timeout = 10;
orig_ticks = sys_tick_get();
rv = nano_task_sem_take(&sem_timeout[0], timeout);
if (rv) {
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_sem_take() with timeout of 0 */
rv = nano_task_sem_take(&sem_timeout[0], 0);
if (rv) {
TC_ERROR(" *** timeout of 0 did not time out.\n");
return TC_FAIL;
}
/* test nano_task_sem_take() with timeout > 0 */
TC_PRINT("test nano_task_sem_take() with timeout > 0\n");
timeout = 3;
orig_ticks = sys_tick_get();
rv = nano_task_sem_take(&sem_timeout[0], timeout);
if (rv) {
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_sem_take() timed out as expected\n");
/*
* test nano_task_sem_take() with a timeout and fiber that gives
* the semaphore on time
*/
timeout = 5;
orig_ticks = sys_tick_get();
task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE,
test_fiber_give_timeout, (int)&sem_timeout[0],
timeout,
FIBER_PRIORITY, 0);
rv = nano_task_sem_take(&sem_timeout[0], (int)(timeout + 5));
if (!rv) {
TC_ERROR(" *** timed out even if semaphore was given in time.\n");
return TC_FAIL;
}
if (!is_timeout_in_range(orig_ticks, timeout)) {
return TC_FAIL;
}
TC_PRINT("nano_task_sem_take() got sem in time, as expected\n");
/*
* test nano_task_sem_take() with TICKS_NONE and the
* semaphore unavailable.
*/
if (nano_task_sem_take(&sem_timeout[0], TICKS_NONE)) {
TC_ERROR("task with TICKS_NONE got sem, but shouldn't have\n");
return TC_FAIL;
}
TC_PRINT("task with TICKS_NONE did not get sem, as expected\n");
/*
* test nano_task_sem_take() with TICKS_NONE and the
* semaphore available.
*/
nano_task_sem_give(&sem_timeout[0]);
if (!nano_task_sem_take(&sem_timeout[0], TICKS_NONE)) {
TC_ERROR("task with TICKS_NONE did not get available sem\n");
return TC_FAIL;
}
TC_PRINT("task with TICKS_NONE got available sem, as expected\n");
/*
* test nano_task_sem_take() with TICKS_UNLIMITED and the
* semaphore available.
*/
TC_PRINT("Trying to take available sem with TICKS_UNLIMITED:\n"
" will hang the test if it fails.\n");
nano_task_sem_give(&sem_timeout[0]);
if (!nano_task_sem_take(&sem_timeout[0], TICKS_UNLIMITED)) {
TC_ERROR(" *** This will never be hit!!! .\n");
return TC_FAIL;
}
TC_PRINT("task with TICKS_UNLIMITED got available sem, as expected\n");
/* test fiber with timeout of TICKS_NONE not getting empty semaphore */
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 semaphore.\n");
return TC_FAIL;
}
TC_PRINT("fiber with TICKS_NONE did not get sem, as expected\n");
/* test fiber with timeout of TICKS_NONE getting full semaphore */
nano_task_sem_give(&sem_timeout[0]);
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 != 1) {
TC_ERROR(" *** fiber should have obtained the semaphore.\n");
return TC_FAIL;
}
TC_PRINT("fiber with TICKS_NONE got available sem, as expected\n");
/* test fiber with timeout of TICKS_UNLIMITED getting full semaphore */
nano_task_sem_give(&sem_timeout[0]);
task_fiber_start(timeout_stacks[0], FIBER_STACKSIZE,
test_fiber_ticks_special_values,
(int)&reply_packet, TICKS_UNLIMITED, 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 != 1) {
TC_ERROR(" *** fiber should have obtained the semaphore.\n");
return TC_FAIL;
}
TC_PRINT("fiber with TICKS_UNLIMITED got available sem, as expected\n");
/* test multiple fibers pending on the same sem with different timeouts */
test_data_size = ARRAY_SIZE(timeout_order_data);
TC_PRINT("testing timeouts of %d fibers on same sem\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 multiple fibers pending on different sems with different timeouts */
test_data_size = ARRAY_SIZE(timeout_order_data_mult_sem);
TC_PRINT("testing timeouts of %d fibers on different sems\n",
test_data_size);
rv = test_multiple_fibers_pending(timeout_order_data_mult_sem,
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 sem with different timeouts, but
* getting the semaphore in time, except the last one.
*/
test_data_size = ARRAY_SIZE(timeout_order_data);
TC_PRINT("testing %d fibers timing out, but obtaining the sem in time\n"
"(except the last one, which times out)\n",
test_data_size);
rv = test_multiple_fibers_get_sem(timeout_order_data, test_data_size);
if (rv != TC_PASS) {
TC_ERROR(" *** fibers did not get the sem in the right order\n");
return TC_FAIL;
}
return TC_PASS;
}
