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threadx/test/tx/regression/threadx_thread_priority_change.c
2023-04-04 09:40:54 +00:00

379 lines
11 KiB
C

/* This test is designed to test the change priority service call. */
#include <stdio.h>
#include "tx_api.h"
#include "tx_thread.h"
static unsigned long thread_0_counter = 0;
static TX_THREAD thread_0;
static unsigned long thread_1_counter = 0;
static TX_THREAD thread_1;
static unsigned long thread_2_counter = 0;
static TX_THREAD thread_2;
static TX_THREAD thread_3;
static unsigned long thread_3_counter = 0;
static TX_THREAD thread_4;
static unsigned long thread_4_counter = 0;
/* Define the ISR dispatch. */
extern VOID (*test_isr_dispatch)(void);
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_1_entry(ULONG thread_input);
static void thread_2_entry(ULONG thread_input);
static void thread_3_entry(ULONG thread_input);
static void thread_4_entry(ULONG thread_input);
extern unsigned long _tx_thread_priority_map;
/* Prototype for test control return. */
void test_control_return(UINT status);
/* Define the ISR dispatch routine. */
static void test_isr(void)
{
UINT saved_preempt_disable;
#ifndef TX_NOT_INTERRUPTABLE
/* Determine if we have the interrupt condition we are looking for. */
if ((thread_3.tx_thread_priority == 6) &&
(thread_3.tx_thread_state == TX_READY) &&
(_tx_thread_priority_list[6] != &thread_3) &&
(thread_3_counter > 100))
{
/* Save the preempt disable flag. */
saved_preempt_disable = _tx_thread_preempt_disable;
/* Clear the preempt disable flag to ensure the API works correctly. */
_tx_thread_preempt_disable = 0;
/* Suspend the thread to generate the condition. */
tx_thread_suspend(&thread_3);
/* Restore the preempt disable flag. */
_tx_thread_preempt_disable = saved_preempt_disable;
/* Done trying to generate this test condition. */
test_isr_dispatch = TX_NULL;
}
#else
/* Can't get the interrupt inside the code wit TX_NOT_INTERRUPTABLE defined, so simply stop after thread_3_counter > 100. */
if (thread_3_counter > 100)
{
/* Done trying to generate this test condition. */
test_isr_dispatch = TX_NULL;
}
#endif
}
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void threadx_thread_priority_change_application_define(void *first_unused_memory)
#endif
{
UINT status;
CHAR *pointer;
/* Put first available memory address into a character pointer. */
pointer = (CHAR *) first_unused_memory;
/* Put system definition stuff in here, e.g. thread creates and other assorted
create information. */
status = tx_thread_create(&thread_0, "thread 0", thread_0_entry, 1,
pointer, TEST_STACK_SIZE_PRINTF,
16, 16, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Thread Priority Change Test................................. ERROR #1\n");
test_control_return(1);
}
status = tx_thread_create(&thread_1, "thread 1", thread_1_entry, 1,
pointer, TEST_STACK_SIZE_PRINTF,
22, 22, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Thread Priority Change Test................................. ERROR #2\n");
test_control_return(1);
}
status = tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2,
pointer, TEST_STACK_SIZE_PRINTF,
30, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_create(&thread_3, "thread 3", thread_3_entry, 3,
pointer, TEST_STACK_SIZE_PRINTF,
5, 5, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_create(&thread_4, "thread 4", thread_4_entry, 4,
pointer, TEST_STACK_SIZE_PRINTF,
6, 6, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Thread Priority Change Test................................. ERROR #3\n");
test_control_return(1);
}
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
//ULONG current_time;
UINT old_priority;
UINT status;
/* Inform user. */
printf("Running Thread Priority Change Test................................. ");
/* Resume thread 3. */
tx_thread_resume(&thread_3);
/* Increment thread 0 counter. */
thread_0_counter++;
/* Change priority to 22, to match that of the next highest priority ready thread.
This is to test the update of the priority list when a thread is moved to a
priority with already ready threads. */
status = tx_thread_priority_change(&thread_0, 22, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 16) || (thread_1_counter != 0))
{
/* Thread error. */
printf("ERROR #4\n");
test_control_return(1);
}
/* Restore original priority. */
tx_thread_priority_change(&thread_0, old_priority, &old_priority);
/* See if we can change priority of this thread. */
status = tx_thread_priority_change(&thread_0, 7, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 16) || (thread_1_counter != 0))
{
/* Thread error. */
printf("ERROR #4\n");
test_control_return(1);
}
/* See if we can change priority of another ready thread. */
status = tx_thread_priority_change(&thread_1, 21, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 22) || (thread_1_counter != 0))
{
/* Thread error. */
printf("ERROR #5\n");
test_control_return(1);
}
/* See if we can cause preemption by lowering this thread's priority. */
status = tx_thread_priority_change(&thread_0, 22, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 7) || (thread_1_counter != 1))
{
/* Thread error. */
printf("ERROR #6\n");
test_control_return(1);
}
/* Thread 1 should have run already... Raise this threads priority
back up. */
status = tx_thread_priority_change(&thread_0, 8, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 22) || (thread_1_counter != 1))
{
/* Thread error. */
printf("ERROR #7\n");
test_control_return(1);
}
/* See if we can change the priority of a suspended thread. */
status = tx_thread_priority_change(&thread_1, 19, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 21) || (thread_1_counter != 1))
{
/* Thread error. */
printf("ERROR #8\n");
test_control_return(1);
}
/* Resume the suspended thread so it is in a ready condition. */
status = tx_thread_resume(&thread_1);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (thread_1_counter != 1))
{
/* Thread error. */
printf("ERROR #9\n");
test_control_return(1);
}
/* Should not have run yet. Raise its priority to 8 still should not run yet! */
status = tx_thread_priority_change(&thread_1, 8, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 19) || (thread_1_counter != 1))
{
/* Thread error. */
printf("ERROR #10\n");
test_control_return(1);
}
/* Raise its priority to 7, now it should run. */
status = tx_thread_priority_change(&thread_1, 7, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 8) || (thread_1_counter != 2) || (thread_2_counter != 0))
{
/* Thread error. */
printf("ERROR #11\n");
test_control_return(1);
}
/* Now thread 1 should be suspended. Let's change thread 0's priority and make sure thread 2 doesn't run yet! */
status = tx_thread_priority_change(&thread_0, 7, &old_priority);
/* Check status, return priority, and run count of other thread. */
if ((status != TX_SUCCESS) || (old_priority != 8) || (thread_1_counter != 2) || (thread_2_counter != 0))
{
/* Thread error. */
printf("ERROR #12\n");
test_control_return(1);
}
else
{
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void thread_1_entry(ULONG thread_input)
{
while(1)
{
/* Increment the thread counter. */
thread_1_counter++;
/* Suspend self and wait for upper thread to resume. */
tx_thread_suspend(&thread_1);
}
}
static void thread_2_entry(ULONG thread_input)
{
while(1)
{
/* This thread should never run! */
/* Increment the thread counter. */
thread_2_counter++;
/* Self suspend. */
tx_thread_suspend(&thread_2);
}
}
static void thread_3_entry(ULONG thread_input)
{
UINT old_priority;
UINT loop;
/* Resume threads 4. */
tx_thread_resume(&thread_4);
/* Setup the ISR. */
test_isr_dispatch = test_isr;
do
{
loop = rand() % 100;
while (loop--)
{
thread_3_counter++;
}
/* Raise priority of thread 3 for code coverage. */
tx_thread_priority_change(&thread_3, 6, &old_priority);
tx_thread_priority_change(&thread_3, 5, &old_priority);
/* Check to see if thread 4 has run... it should not have executed
yet. If it does, set the thread_1_counter to indicate an error! */
if (thread_4_counter)
thread_1_counter++;
} while (test_isr_dispatch);
}
static void thread_4_entry(ULONG thread_input)
{
thread_4_counter++;
}