/* This test is designed to see if multiple threads can be created and relinquish control between them. */ #include #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 unsigned long thread_3_counter = 0; static TX_THREAD thread_3; static unsigned long thread_4_counter = 0; static TX_THREAD thread_4; static unsigned long thread_5_counter = 0; static TX_THREAD thread_5; static unsigned long thread_6_counter = 0; static TX_THREAD thread_6; static unsigned long thread_7_counter = 0; static TX_THREAD thread_7; static unsigned long thread_8_counter = 0; static TX_THREAD thread_8; static unsigned long thread_9_counter = 0; static TX_THREAD thread_9; /* 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); static void thread_5_entry(ULONG thread_input); static void thread_6_entry(ULONG thread_input); static void thread_7_entry(ULONG thread_input); static void thread_8_entry(ULONG thread_input); static void thread_9_entry(ULONG thread_input); /* Prototype for test control return. */ void test_control_return(UINT status); /* Define what the initial system looks like. */ #ifdef CTEST void test_application_define(void *first_unused_memory) #else void threadx_thread_relinquish_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. */ /* Create thread 0. */ status = tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0, 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 Relinquish Test...................................... ERROR #1\n"); test_control_return(1); } /* Create thread 1. */ status = tx_thread_create(&thread_1, "thread 1", thread_1_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 Relinquish Test...................................... ERROR #2\n"); test_control_return(1); } /* Create thread 2. */ status = tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2, 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 Relinquish Test...................................... ERROR #3\n"); test_control_return(1); } /* Create thread 3. */ status = tx_thread_create(&thread_3, "thread 3", thread_3_entry, 3, 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 Relinquish Test...................................... ERROR #4\n"); test_control_return(1); } /* Create thread 4. */ status = tx_thread_create(&thread_4, "thread 4", thread_4_entry, 4, pointer, TEST_STACK_SIZE_PRINTF, 31, 31, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #5\n"); test_control_return(1); } /* Create thread 5. */ status = tx_thread_create(&thread_5, "thread 5", thread_5_entry, 5, pointer, TEST_STACK_SIZE_PRINTF, 31, 15, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #6\n"); test_control_return(1); } /* Create thread 6. */ status = tx_thread_create(&thread_6, "thread 6", thread_6_entry, 6, pointer, TEST_STACK_SIZE_PRINTF, 31, 31, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #7\n"); test_control_return(1); } /* Create thread 7. */ status = tx_thread_create(&thread_7, "thread 7", thread_7_entry, 7, pointer, TEST_STACK_SIZE_PRINTF, 31, 31, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #8\n"); test_control_return(1); } /* Create thread 8. */ status = tx_thread_create(&thread_8, "thread 8", thread_8_entry, 8, pointer, TEST_STACK_SIZE_PRINTF, 31, 31, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #9\n"); test_control_return(1); } /* Create thread 9. */ status = tx_thread_create(&thread_9, "thread 9", thread_9_entry, 9, pointer, TEST_STACK_SIZE_PRINTF, 31, 31, 1, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Relinquish Test...................................... ERROR #10\n"); test_control_return(1); } } /* Define the test threads. */ static void thread_0_entry(ULONG thread_input) { /* Check for correct input value and execution of other threads. */ if ((thread_input != 0) || (thread_1_counter) || (thread_2_counter) || (thread_3_counter)) return; /* Increment thread 0 counter. */ thread_0_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } static void thread_1_entry(ULONG thread_input) { /* Check for correct input value and execution of other threads. */ if ((thread_input != 1) || (thread_0_counter != 1) || (thread_2_counter) || (thread_3_counter)) return; /* Increment thread 1 counter. */ thread_1_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } static void thread_2_entry(ULONG thread_input) { /* Check for correct input value and execution of other threads. */ if ((thread_input != 2) || (thread_0_counter != 1) || (thread_1_counter != 1) || (thread_3_counter)) return; /* Increment thread 2 counter. */ thread_2_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } static void thread_3_entry(ULONG thread_input) { UINT status; UINT old_threshold; UINT old_priority; /* Inform user. */ printf("Running Thread Relinquish Test...................................... "); /* Check for correct input value and execution of other threads. */ if ((thread_input != 3) || (thread_0_counter != 1) || (thread_1_counter != 1) || (thread_2_counter != 1) || (thread_0.tx_thread_state != TX_READY) || (thread_1.tx_thread_state != TX_READY) || (thread_2.tx_thread_state != TX_READY)) { /* Thread Relinquish error. */ printf("ERROR #11\n"); test_control_return(1); } /* Increment thread 3 counter. */ thread_3_counter++; /* Immediate response relinquish. */ tx_thread_relinquish(); /* All other threads should be completed now. */ if ((thread_0.tx_thread_state != TX_COMPLETED) || (thread_1.tx_thread_state != TX_COMPLETED) || (thread_2.tx_thread_state != TX_COMPLETED)) { /* Thread Relinquish error. */ printf("ERROR #12\n"); test_control_return(1); } /* Execute immediate response relinquish. */ tx_thread_relinquish(); /* Move to the lowest default priority. */ status = tx_thread_priority_change(&thread_3, 31, &old_priority); /* Temporarily make enable preemption-threshold with this thread. */ status += tx_thread_preemption_change(&thread_3, 3, &old_threshold); /* Execute immediate response, bypassing the error checking. */ _tx_thread_preemption__threshold_scheduled = TX_NULL; _tx_thread_relinquish(); /* Restore the preemtion-threshold and priority. */ status += tx_thread_preemption_change(&thread_3, old_threshold, &old_threshold); /* Enable all cores for all threads. */ status += tx_thread_smp_core_exclude(&thread_4, 0); status += tx_thread_smp_core_exclude(&thread_5, 0); status += tx_thread_smp_core_exclude(&thread_6, 0); status += tx_thread_smp_core_exclude(&thread_7, 0); status += tx_thread_smp_core_exclude(&thread_8, 0); status += tx_thread_smp_core_exclude(&thread_9, 0); /* Now lets resume threads 4 through 9. Thread 5 has preemption-threshold set which will excercise the preemption-threshold logic. */ status += tx_thread_resume(&thread_4); status += tx_thread_resume(&thread_5); status += tx_thread_resume(&thread_6); status += tx_thread_resume(&thread_7); status += tx_thread_resume(&thread_8); status += tx_thread_resume(&thread_9); /* Now relinquish to let these other threads run. */ tx_thread_relinquish(); /* Sleep for 20 ticks to test the paths. */ tx_thread_sleep(20); /* Now see if the results are as expected. */ if (status != TX_SUCCESS) { /* Thread Relinquish error. */ printf("ERROR #13\n"); test_control_return(1); } /* Successful thread relinquish test. */ printf("SUCCESS!\n"); test_control_return(0); } static void thread_4_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_4_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } } static void thread_5_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_5_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } } static void thread_6_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_6_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } } static void thread_7_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_7_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } } static void thread_8_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_8_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } } static void thread_9_entry(ULONG thread_input) { /* Loop to test relinquish. */ while(1) { /* Increment thread 2 counter. */ thread_9_counter++; /* Relinquish to other thread(s). */ tx_thread_relinquish(); } }