/**
*
* @brief Test some context routines from a preemptible thread
*
* This routines tests the k_current_get() and
* k_is_in_isr() routines from both a preemtible thread and an ISR (that
* interrupted a preemtible thread). Checking those routines with cooperative
* threads are done elsewhere.
*
* @return TC_PASS on success
* @return TC_FAIL on failure
*/
static int test_kernel_ctx_task(void)
{
k_tid_t self_thread_id;
TC_PRINT("Testing k_current_get() from an ISR and task\n");
self_thread_id = k_current_get();
isr_info.command = THREAD_SELF_CMD;
isr_info.error = 0;
/* isr_info is modified by the isr_handler routine */
isr_handler_trigger();
if (isr_info.error || isr_info.data != (void *)self_thread_id) {
/*
* Either the ISR detected an error, or the ISR context ID
* does not match the interrupted task's thread ID.
*/
return TC_FAIL;
}
TC_PRINT("Testing k_is_in_isr() from an ISR\n");
isr_info.command = EXEC_CTX_TYPE_CMD;
isr_info.error = 0;
isr_handler_trigger();
if (isr_info.error || isr_info.value != K_ISR) {
return TC_FAIL;
}
TC_PRINT("Testing k_is_in_isr() from a preemtible thread\n");
if (k_is_in_isr() || _current->base.prio < 0) {
return TC_FAIL;
}
return TC_PASS;
}
/**
*
* @brief Test some context routines from a preemptible thread
*
* This routines tests the k_current_get() and
* k_is_in_isr() routines from both a preemtible thread and an ISR (that
* interrupted a preemtible thread). Checking those routines with cooperative
* threads are done elsewhere.
*
* @return TC_PASS on success
* @return TC_FAIL on failure
*/
static int test_kernel_ctx_task(void)
{
k_tid_t self_thread_id;
TC_PRINT("Testing k_current_get() from an ISR and task\n");
self_thread_id = k_current_get();
isr_info.command = THREAD_SELF_CMD;
isr_info.error = 0;
/* isr_info is modified by the isr_handler routine */
isr_handler_trigger();
if (isr_info.error) {
TC_ERROR("ISR detected an error\n");
return TC_FAIL;
}
if (isr_info.data != (void *)self_thread_id) {
TC_ERROR("ISR context ID mismatch\n");
return TC_FAIL;
}
TC_PRINT("Testing k_is_in_isr() from an ISR\n");
isr_info.command = EXEC_CTX_TYPE_CMD;
isr_info.error = 0;
isr_handler_trigger();
if (isr_info.error) {
TC_ERROR("ISR detected an error\n");
return TC_FAIL;
}
if (isr_info.value != K_ISR) {
TC_ERROR("isr_info.value was not K_ISR\n");
return TC_FAIL;
}
TC_PRINT("Testing k_is_in_isr() from a preemptible thread\n");
if (k_is_in_isr()) {
TC_ERROR("Should not be in ISR context\n");
return TC_FAIL;
}
if (_current->base.prio < 0) {
TC_ERROR("Current thread should have preemptible priority\n");
return TC_FAIL;
}
return TC_PASS;
}
/**
*
* @brief Test the various context/thread routines from a cooperative thread
*
* This routines tests the k_current_get and
* k_is_in_isr() routines from both a thread and an ISR (that interrupted a
* cooperative thread). Checking those routines with preemptible threads are
* done elsewhere.
*
* This routine may set <thread_detected_error> to the following values:
* 1 - if thread ID matches that of the task
* 2 - if thread ID taken during ISR does not match that of the thread
* 3 - k_is_in_isr() when called from an ISR is false
* 4 - k_is_in_isr() when called from a thread is true
* 5 - if thread is not a cooperative thread
*
* @return TC_PASS on success
* @return TC_FAIL on failure
*/
static int test_kernel_thread(k_tid_t task_thread_id)
{
k_tid_t self_thread_id;
self_thread_id = k_current_get();
if (self_thread_id == task_thread_id) {
thread_detected_error = 1;
return TC_FAIL;
}
isr_info.command = THREAD_SELF_CMD;
isr_info.error = 0;
isr_handler_trigger();
if (isr_info.error || isr_info.data != (void *)self_thread_id) {
/*
* Either the ISR detected an error, or the ISR context ID
* does not match the interrupted thread's thread ID.
*/
thread_detected_error = 2;
return TC_FAIL;
}
isr_info.command = EXEC_CTX_TYPE_CMD;
isr_info.error = 0;
isr_handler_trigger();
if (isr_info.error || (isr_info.value != K_ISR)) {
thread_detected_error = 3;
return TC_FAIL;
}
if (k_is_in_isr()) {
thread_detected_error = 4;
return TC_FAIL;
}
if (_current->base.prio >= 0) {
thread_detected_error = 5;
return TC_FAIL;
}
return TC_PASS;
}
