mirror of
https://github.com/azure-rtos/threadx
synced 2025-01-30 08:02:57 +08:00
320 lines
9.4 KiB
C
320 lines
9.4 KiB
C
/* This test is designed to test the mutex suspension and timeout functionality. */
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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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#include "tx_mutex.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 TX_THREAD thread_1;
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static TX_THREAD thread_2;
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static TX_THREAD thread_3;
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static TX_THREAD thread_4;
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static TX_THREAD low_priority;
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static TX_MUTEX mutex_0;
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static TX_MUTEX mutex_1;
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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 low_priority_entry(ULONG thread_input);
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/* Prototype for test control return. */
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extern void test_control_return(UINT status);
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#ifndef TX_MANUAL_TEST
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/* Define test flags for automated test. */
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extern TEST_FLAG threadx_mutex_suspension_put_test;
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extern TEST_FLAG threadx_mutex_suspension_priority_test;
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#endif
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/* This test routine is used to get NULL suspension lists in various parts of tx_mutex_put. This is hooked up to IRQ 0 on this simulation and is entered manually at the
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correct time. */
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void abort_all_threads_suspended_on_mutex(void)
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{
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TX_THREAD *thread_ptr;
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thread_ptr = _tx_thread_created_ptr;
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while (thread_ptr)
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{
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if (thread_ptr -> tx_thread_state == TX_MUTEX_SUSP)
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tx_thread_wait_abort(thread_ptr);
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thread_ptr = thread_ptr -> tx_thread_created_next;
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if (thread_ptr == _tx_thread_created_ptr)
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break;
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}
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}
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/* This test routine is used to get a thread of a non ready state into _tx_mutex_change, called froim _tx_mutex_put. This is hooked up to IRQ 1 on this simulation and is entered manually at the
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correct time. */
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void suspend_lowest_priority(void)
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{
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tx_thread_suspend(&low_priority);
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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_mutex_suspension_timeout_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, 0,
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pointer, TEST_STACK_SIZE_PRINTF,
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16, 16, 100, TX_AUTO_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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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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1, 1, 100, TX_DONT_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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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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2, 2, 100, TX_DONT_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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3, 3, 100, 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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4, 4, 100, TX_DONT_START);
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pointer = pointer + TEST_STACK_SIZE_PRINTF;
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status += tx_thread_create(&low_priority, "low priority", low_priority_entry, 30,
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pointer, TEST_STACK_SIZE_PRINTF,
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30, 30, 100, 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 Mutex Suspension Timeout Test............................... ERROR #1\n");
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test_control_return(1);
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}
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/* Create mutexes. */
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status = tx_mutex_create(&mutex_0, "mutex 0", TX_NO_INHERIT);
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status += tx_mutex_create(&mutex_1, "mutex 1", TX_INHERIT);
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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 Mutex Suspension Timeout Test............................... ERROR #2\n");
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test_control_return(1);
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}
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/* Get the mutex to prevent thread from getting it. */
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tx_mutex_get(&mutex_0, TX_NO_WAIT);
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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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UINT status;
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UINT old_preempt;
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UINT old_priority;
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/* Inform user. */
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printf("Running Mutex Suspension Timeout Test............................... ");
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/* Sleep for 2 ticks for fresh timer. */
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tx_thread_sleep(2);
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/* Set clock to 0. */
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tx_time_set(0);
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/* Suspend on the mutex. */
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status = tx_mutex_get(&mutex_0, 33);
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/* Did we get the right status at the right time? */
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if ((status != TX_NOT_AVAILABLE) || (tx_time_get() != 33))
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{
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/* Mutex error. */
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printf("ERROR #3\n");
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test_control_return(1);
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}
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/* Get the mutex. */
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status = tx_mutex_get(&mutex_1, TX_WAIT_FOREVER);
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/* Make sure the three higher priority threads suspend on the mutex. */
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tx_thread_resume(&thread_4);
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tx_thread_resume(&thread_3);
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tx_thread_resume(&thread_2);
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tx_thread_resume(&thread_1);
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#ifdef TX_MANUAL_TEST
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/* Set BP hear and step into code and generate appropriate interrupt IRQ 0 by hand right after the prioritize function with interrupts enabled. This is to achieve the empty list branch coverage after the prioritize function. */
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tx_mutex_put(&mutex_1);
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#else
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/* Set the flag such that generate the condition wehre the empty list condition is satisfied in the branch coverage. */
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threadx_mutex_suspension_put_test = 1;
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tx_mutex_put(&mutex_1);
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#endif
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/* Now some hand testing for tx_mutex_priority_change. */
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/* Resume the low priority thread. */
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tx_thread_resume(&low_priority);
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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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#ifdef TX_MANUAL_TEST
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/* Set BP here and step into code and step through the code until the internal thread resume function returns, then issue an IRQ 1 to cause an ISR to suspend the thread and test the first condition. */
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_tx_mutex_priority_change(&low_priority, 30);
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#else
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/* Set the flag to suspend the thread and test the first condition after internal resume is called. */
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threadx_mutex_suspension_priority_test = 1;
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_tx_mutex_priority_change(&low_priority, 30);
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#endif
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/* Resume the low priority thread. */
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tx_thread_resume(&low_priority);
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/* Now call internal _tx_mutex_priority_change, this should test the preemption-threshold throw-away path. */
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_tx_mutex_priority_change(&low_priority, 30);
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/* Now make it so we can have a higher-priority thread ready but not the execute pointer because of preemption-threshold. */
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tx_thread_preemption_change(&thread_0, 10, &old_preempt);
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tx_thread_priority_change(&low_priority, 10, &old_priority);
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/* Now call the internal mutex priority change on this thread to get the throw-away path on original priority being the same when execute ptr is different. */
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_tx_thread_execute_ptr = &low_priority;
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_tx_mutex_priority_change(&low_priority, 10);
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_tx_thread_execute_ptr = &thread_0;
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/* Now make the low priority thread lower again, but with a preemption-threshold equal to thread_0. This will test yet another throw away condition. */
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low_priority.tx_thread_inherit_priority = ((UINT) TX_MAX_PRIORITIES);
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tx_thread_priority_change(&low_priority, 30, &old_priority);
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tx_thread_preemption_change(&low_priority, 10, &old_preempt);
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/* Now call the internal mutex priority change on this thread with the same priority. */
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_tx_mutex_priority_change(&low_priority, 30);
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_tx_thread_preempt_disable--;
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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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UINT status;
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/* Loop to get the mutex. */
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while(1)
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{
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/* Get and release the mutex. */
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status = tx_mutex_get(&mutex_1, TX_WAIT_FOREVER);
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if (status == TX_SUCCESS)
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tx_mutex_put(&mutex_1);
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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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UINT status;
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/* Loop to get the mutex. */
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while(1)
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{
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/* Get and release the mutex. */
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status = tx_mutex_get(&mutex_1, TX_WAIT_FOREVER);
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if (status == TX_SUCCESS)
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tx_mutex_put(&mutex_1);
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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 status;
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/* Loop to get the mutex. */
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while(1)
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{
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/* Get and release the mutex. */
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status = tx_mutex_get(&mutex_1, TX_WAIT_FOREVER);
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if (status == TX_SUCCESS)
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tx_mutex_put(&mutex_1);
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tx_thread_suspend(&thread_3);
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}
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}
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static void thread_4_entry(ULONG thread_input)
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{
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UINT status;
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/* Loop to get the mutex. */
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while(1)
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{
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/* Get and release the mutex. */
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status = tx_mutex_get(&mutex_1, TX_WAIT_FOREVER);
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if (status == TX_SUCCESS)
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tx_mutex_put(&mutex_1);
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tx_thread_suspend(&thread_4);
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}
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}
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static void low_priority_entry(ULONG thread_input)
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{
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}
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