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545 lines
16 KiB
C
545 lines
16 KiB
C
/* This test is designed to test the change priority service call. */
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#include <stdio.h>
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#include "tx_api.h"
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#include "tx_thread.h"
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static unsigned long thread_0_counter = 0;
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static TX_THREAD thread_0;
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static unsigned long thread_1_counter = 0;
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static TX_THREAD thread_1;
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static unsigned long thread_2_counter = 0;
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static TX_THREAD thread_2;
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static TX_THREAD thread_3;
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static unsigned long thread_3_counter = 0;
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static TX_THREAD thread_4;
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static unsigned long thread_4_counter = 0;
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static TX_THREAD thread_5;
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static unsigned long thread_5_counter = 0;
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extern UINT priority_change_extension_selection;
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/* Define the ISR dispatch. */
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extern VOID (*test_isr_dispatch)(void);
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/* Define thread prototypes. */
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static void thread_0_entry(ULONG thread_input);
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static void thread_1_entry(ULONG thread_input);
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static void thread_2_entry(ULONG thread_input);
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static void thread_3_entry(ULONG thread_input);
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static void thread_4_entry(ULONG thread_input);
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static void thread_5_entry(ULONG thread_input);
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extern unsigned long _tx_thread_priority_map;
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/* Prototype for test control return. */
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void test_control_return(UINT status);
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/* Prototype for internal function. */
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VOID _tx_thread_smp_simple_priority_change(TX_THREAD *thread_ptr,UINT new_priority);
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/* This test routine is used to get a thread of a non ready state. */
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void suspend_thread(void)
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{
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TX_INTERRUPT_SAVE_AREA
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TX_THREAD *thread_ptr;
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/* Setup the thread pointer. */
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thread_ptr = &thread_0;
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/* Disable interrupts. */
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TX_DISABLE
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/* Set the state to suspended. */
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thread_ptr -> tx_thread_state = TX_SUSPENDED;
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#ifdef TX_NOT_INTERRUPTABLE
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/* Call actual non-interruptable thread suspension routine. */
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_tx_thread_system_ni_suspend(thread_ptr, ((ULONG) 0));
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/* Restore interrupts. */
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TX_RESTORE
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#else
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/* Set the suspending flag. */
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thread_ptr -> tx_thread_suspending = TX_TRUE;
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/* Setup for no timeout period. */
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thread_ptr -> tx_thread_timer.tx_timer_internal_remaining_ticks = ((ULONG) 0);
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/* Temporarily disable preemption. */
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_tx_thread_preempt_disable++;
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/* Restore interrupts. */
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TX_RESTORE
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/* Call actual thread suspension routine. */
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_tx_thread_system_suspend(thread_ptr);
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#endif
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}
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/* Define the ISR dispatch routine. */
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static void test_isr(void)
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{
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UINT saved_preempt_disable;
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#ifndef TX_NOT_INTERRUPTABLE
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/* Determine if we have the interrupt condition we are looking for. */
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if ((thread_3.tx_thread_priority == 6) &&
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(thread_3.tx_thread_state == TX_READY) &&
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(_tx_thread_priority_list[6] != &thread_3) &&
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(thread_3_counter > 100))
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{
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/* Save the preempt disable flag. */
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saved_preempt_disable = _tx_thread_preempt_disable;
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/* Clear the preempt disable flag to ensure the API works correctly. */
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_tx_thread_preempt_disable = 0;
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/* Suspend the thread to generate the condition. */
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tx_thread_suspend(&thread_3);
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/* Restore the preempt disable flag. */
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_tx_thread_preempt_disable = saved_preempt_disable;
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/* Done trying to generate this test condition. */
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test_isr_dispatch = TX_NULL;
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}
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#else
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/* Can't get the interrupt inside the code wit TX_NOT_INTERRUPTABLE defined, so simply stop after thread_3_counter > 100. */
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if (thread_3_counter > 100)
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{
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/* Done trying to generate this test condition. */
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test_isr_dispatch = TX_NULL;
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}
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#endif
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}
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/* Define what the initial system looks like. */
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#ifdef CTEST
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void test_application_define(void *first_unused_memory)
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#else
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void threadx_thread_priority_change_application_define(void *first_unused_memory)
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#endif
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{
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UINT status;
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CHAR *pointer;
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/* Put first available memory address into a character pointer. */
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pointer = (CHAR *) first_unused_memory;
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/* Put system definition stuff in here, e.g. thread creates and other assorted
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create information. */
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status = tx_thread_create(&thread_0, "thread 0", thread_0_entry, 1,
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pointer, TEST_STACK_SIZE_PRINTF,
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16, 16, TX_NO_TIME_SLICE, TX_AUTO_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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/* Check for status. */
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if (status != TX_SUCCESS)
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{
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printf("Running Thread Priority Change Test................................. ERROR #1\n");
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test_control_return(1);
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}
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status = tx_thread_create(&thread_1, "thread 1", thread_1_entry, 1,
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pointer, TEST_STACK_SIZE_PRINTF,
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22, 22, TX_NO_TIME_SLICE, TX_AUTO_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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/* Check for status. */
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if (status != TX_SUCCESS)
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{
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printf("Running Thread Priority Change Test................................. ERROR #2\n");
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test_control_return(1);
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}
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status = tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2,
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pointer, TEST_STACK_SIZE_PRINTF,
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30, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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status += tx_thread_create(&thread_3, "thread 3", thread_3_entry, 3,
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pointer, TEST_STACK_SIZE_PRINTF,
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5, 5, TX_NO_TIME_SLICE, TX_DONT_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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status += tx_thread_create(&thread_4, "thread 4", thread_4_entry, 4,
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pointer, TEST_STACK_SIZE_PRINTF,
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6, 6, TX_NO_TIME_SLICE, TX_DONT_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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status += tx_thread_create(&thread_5, "thread 5", thread_5_entry, 5,
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pointer, TEST_STACK_SIZE_PRINTF,
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16, 15, TX_NO_TIME_SLICE, TX_DONT_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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/* Check for status. */
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if (status != TX_SUCCESS)
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{
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printf("Running Thread Priority Change Test................................. ERROR #3\n");
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test_control_return(1);
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}
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}
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/* Define the test threads. */
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static void thread_0_entry(ULONG thread_input)
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{
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TX_INTERRUPT_SAVE_AREA
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//ULONG current_time;
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UINT old_threshold;
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UINT old_priority;
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UINT status;
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TX_THREAD *temp_thread;
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/* Inform user. */
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printf("Running Thread Priority Change Test................................. ");
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/* Resume thread 3. */
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tx_thread_resume(&thread_3);
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/* Increment thread 0 counter. */
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thread_0_counter++;
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/* Change priority to 22, to match that of the next highest priority ready thread.
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This is to test the update of the priority list when a thread is moved to a
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priority with already ready threads. */
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status = tx_thread_priority_change(&thread_0, 22, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 16) || (thread_1_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #4\n");
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test_control_return(1);
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}
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/* Restore original priority. */
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tx_thread_priority_change(&thread_0, old_priority, &old_priority);
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/* See if we can change priority of this thread. */
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status = tx_thread_priority_change(&thread_0, 7, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 16) || (thread_1_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #4\n");
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test_control_return(1);
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}
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/* See if we can change priority of another ready thread. */
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status = tx_thread_priority_change(&thread_1, 21, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 22) || (thread_1_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #5\n");
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test_control_return(1);
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}
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/* See if we can cause preemption by lowering this thread's priority. */
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status = tx_thread_priority_change(&thread_0, 22, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 7) || (thread_1_counter != 1))
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{
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/* Thread error. */
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printf("ERROR #6\n");
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test_control_return(1);
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}
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/* Thread 1 should have run already... Raise this threads priority
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back up. */
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status = tx_thread_priority_change(&thread_0, 8, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 22) || (thread_1_counter != 1))
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{
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/* Thread error. */
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printf("ERROR #7\n");
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test_control_return(1);
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}
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/* See if we can change the priority of a suspended thread. */
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status = tx_thread_priority_change(&thread_1, 19, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 21) || (thread_1_counter != 1))
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{
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/* Thread error. */
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printf("ERROR #8\n");
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test_control_return(1);
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}
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/* Resume the suspended thread so it is in a ready condition. */
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status = tx_thread_resume(&thread_1);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (thread_1_counter != 1))
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{
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/* Thread error. */
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printf("ERROR #9\n");
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test_control_return(1);
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}
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/* Should not have run yet. Raise its priority to 8 still should not run yet! */
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status = tx_thread_priority_change(&thread_1, 8, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 19) || (thread_1_counter != 1))
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{
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/* Thread error. */
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printf("ERROR #10\n");
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test_control_return(1);
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}
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/* Raise its priority to 7, now it should run. */
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status = tx_thread_priority_change(&thread_1, 7, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 8) || (thread_1_counter != 2) || (thread_2_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #11\n");
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test_control_return(1);
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}
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/* Now thread 1 should be suspended. Let's change thread 0's priority and make sure thread 2 doesn't run yet! */
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status = tx_thread_priority_change(&thread_0, 7, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 8) || (thread_1_counter != 2) || (thread_2_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #12\n");
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test_control_return(1);
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}
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/* Now resume thread 1, it won't run because it's priority is less than this thread. */
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status = tx_thread_resume(&thread_1);
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/* Change the priority of thread 1 - the non executing thread to test that path. */
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status += tx_thread_priority_change(&thread_1, 23, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 7) || (thread_1_counter != 2) || (thread_2_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #13\n");
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test_control_return(1);
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}
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#ifndef TX_DISABLE_PREEMPTION_THRESHOLD
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/* Now setup the preemption-threshold for thread 1. */
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status = tx_thread_preemption_change(&thread_1, 14, &old_threshold);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_threshold != 23) || (thread_1_counter != 2) || (thread_2_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #14\n");
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test_control_return(1);
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}
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/* Resume a higher priority preemption-threshold thread. */
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status = tx_thread_resume(&thread_5);
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/* Now lower this thread's priority. */
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status += tx_thread_priority_change(&thread_0, 15, &old_priority);
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/* Check status, return priority, and run count of other thread. */
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if ((status != TX_SUCCESS) || (old_priority != 7) || (thread_1_counter != 2) || (thread_2_counter != 0) || (thread_5_counter != 0))
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{
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/* Thread error. */
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printf("ERROR #15\n");
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test_control_return(1);
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}
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#endif
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/* Change to a higher priority. */
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tx_thread_priority_change(&thread_0, 7, &old_priority);
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/* Disable interrupts. */
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TX_DISABLE
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/* Simulate a call from inside of mutex put, but doing it here makes life easier. */
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_tx_thread_preempt_disable++;
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/* Suspend thread 0. */
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suspend_thread();
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/* Resume thread 0. */
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tx_thread_resume(&thread_0);
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/* Change priority to get avoid the reset of the priority list. */
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tx_thread_priority_change(&thread_0, 16, &old_priority);
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/* Move the priority back so we have some room to test. */
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tx_thread_priority_change(&thread_0, 7, &old_priority);
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/* Now create the invalid core index situation. */
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priority_change_extension_selection = 1;
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tx_thread_priority_change(&thread_0, 8, &old_priority);
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thread_0.tx_thread_smp_core_mapped = 0;
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/* Now fiddle with the original priority to satisfy that branch. */
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priority_change_extension_selection = 2;
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tx_thread_priority_change(&thread_0, 9, &old_priority);
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_tx_thread_execute_ptr[0] = &thread_0;
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/* Create the condition where original pt thread is same as the current thread. */
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temp_thread = _tx_thread_preemption__threshold_scheduled;
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priority_change_extension_selection = 3;
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tx_thread_priority_change(&thread_0, 15, &old_priority);
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_tx_thread_preemption__threshold_scheduled = temp_thread;
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/* Move the thread back to a higher priority. */
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tx_thread_priority_change(&thread_0, 7, &old_priority);
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/* Create the condition where the new thread is NULL. */
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temp_thread = _tx_thread_preemption__threshold_scheduled;
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priority_change_extension_selection = 4;
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tx_thread_priority_change(&thread_0, 15, &old_priority);
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_tx_thread_preemption__threshold_scheduled = temp_thread;
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/* Decrement the preempt disable count. */
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_tx_thread_preempt_disable--;
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/* Restore interrupts. */
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TX_RESTORE
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/* Hit branch in _tx_thread_smp_simple_priority_change such that the
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new priority is less than the inheritance priority. */
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thread_0.tx_thread_inherit_priority = 0;
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_tx_thread_smp_simple_priority_change(&thread_0, 16);
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/* Successful test. */
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printf("SUCCESS!\n");
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test_control_return(0);
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}
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static void thread_1_entry(ULONG thread_input)
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{
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while(1)
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{
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/* Increment the thread counter. */
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thread_1_counter++;
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/* Suspend self and wait for upper thread to resume. */
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tx_thread_suspend(&thread_1);
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}
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}
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static void thread_2_entry(ULONG thread_input)
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{
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while(1)
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{
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/* This thread should never run! */
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/* Increment the thread counter. */
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thread_2_counter++;
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/* Self suspend. */
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tx_thread_suspend(&thread_2);
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}
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}
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static void thread_3_entry(ULONG thread_input)
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{
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UINT old_priority;
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UINT loop;
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/* Resume threads 4. */
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tx_thread_resume(&thread_4);
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/* Setup the ISR. */
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test_isr_dispatch = test_isr;
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do
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{
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loop = rand() % 100;
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while (loop--)
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{
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thread_3_counter++;
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}
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/* Raise priority of thread 3 for code coverage. */
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tx_thread_priority_change(&thread_3, 6, &old_priority);
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tx_thread_priority_change(&thread_3, 5, &old_priority);
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/* Check to see if thread 4 has run... it should not have executed
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yet. If it does, set the thread_1_counter to indicate an error! */
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if (thread_4_counter)
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thread_1_counter++;
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} while (test_isr_dispatch);
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}
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static void thread_4_entry(ULONG thread_input)
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{
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thread_4_counter++;
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}
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static void thread_5_entry(ULONG thread_input)
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{
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thread_5_counter++;
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}
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