/* This test is designed to see if two threads can be created and execute with a time-slice. Thread 7 should run twice as long because it has more of a time-slice. */ #include #include "tx_api.h" static volatile unsigned long thread_0_counter = 0; static TX_THREAD thread_0; static volatile unsigned long thread_1_counter = 0; static TX_THREAD thread_1; static volatile unsigned long thread_2_counter = 0; static TX_THREAD thread_2; #ifndef TX_DISABLE_PREEMPTION_THRESHOLD static volatile unsigned long thread_3_counter = 0; static TX_THREAD thread_3; static volatile unsigned long thread_4_counter = 0; static TX_THREAD thread_4; #endif /* 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); #ifndef TX_DISABLE_PREEMPTION_THRESHOLD static void thread_3_entry(ULONG thread_input); static void thread_4_entry(ULONG thread_input); #endif /* 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_multiple_time_slice_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, 2, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Multiple Thread Time-Slice 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, 16, 16, 4, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Multiple Thread Time-Slice Test...................... ERROR #2\n"); test_control_return(1); } /* Create control thread. */ status = tx_thread_create(&thread_2, "thread 2", thread_2_entry, 1, pointer, TEST_STACK_SIZE_PRINTF, 15, 15, TX_NO_TIME_SLICE, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Multiple Thread Time-Slice Test...................... ERROR #3\n"); test_control_return(1); } #ifndef TX_DISABLE_PREEMPTION_THRESHOLD /* Create threads with preemption-threshold and time-slice, such and make sure time-slice is defeated by preemption-threshold. */ status = tx_thread_create(&thread_3, "thread 3", thread_3_entry, 3, pointer, TEST_STACK_SIZE_PRINTF, 18, 17, 2, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Multiple Thread Time-Slice Test...................... ERROR #4\n"); test_control_return(1); } status = tx_thread_create(&thread_4, "thread 4", thread_4_entry, 4, pointer, TEST_STACK_SIZE_PRINTF, 18, 18, 4, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check for status. */ if (status != TX_SUCCESS) { printf("Running Thread Multiple Thread Time-Slice Test...................... ERROR #5\n"); test_control_return(1); } #endif } /* Define the test threads. */ static void thread_0_entry(ULONG thread_input) { /* Enter into a forever loop. */ while(1) { /* Increment thread 0 counter. */ thread_0_counter++; /* Call thread identify for Win32 test case. */ tx_thread_identify(); } } static void thread_1_entry(ULONG thread_input) { /* Enter into a forever loop. */ while(1) { /* Increment thread 1 counter. */ thread_1_counter++; /* Call thread identify for Win32 test case. */ tx_thread_identify(); } } static void thread_2_entry(ULONG thread_input) { unsigned long counter_sum; #ifndef TX_DISABLE_PREEMPTION_THRESHOLD UINT status; #endif /* Inform user. */ printf("Running Thread Multiple Thread Time-Slice Test...................... "); /* Sleep for some multiple of 6. */ tx_thread_sleep(48); /* Increment thread 2 counter. */ thread_2_counter++; /* Compute the delta. Should be twice as much, but some test environments (Windows/Linux) are not as good in terms of real time processing. */ counter_sum = thread_0_counter; counter_sum = counter_sum + (thread_0_counter/4); if (thread_1_counter <= counter_sum) { /* Thread Time-slice error. */ printf("ERROR #6\n"); test_control_return(1); } #ifdef TX_DISABLE_PREEMPTION_THRESHOLD else { /* Successful Thread Time-slice test. */ printf("SUCCESS!\n"); test_control_return(0); } #else /* Now suspend threads 0 and 1 so we can let 3 and 4 run. */ status = tx_thread_suspend(&thread_0); status += tx_thread_suspend(&thread_1); /* Check status. */ if (status) { /* Thread Time-slice error. */ printf("ERROR #7\n"); test_control_return(1); } /* Now sleep and see if thread 4 ever runs. */ tx_thread_sleep(4); /* Determine if thread 3 ran and thread 4 didn't. */ if ((thread_3_counter) && (thread_4_counter == 0)) { /* Successful Thread Time-slice test. */ printf("SUCCESS!\n"); test_control_return(0); } else { /* Thread Time-slice error. */ printf("ERROR #8\n"); test_control_return(1); } #endif } #ifndef TX_DISABLE_PREEMPTION_THRESHOLD /* Define the test threads. */ static void thread_3_entry(ULONG thread_input) { /* Enter into a forever loop. */ while(1) { /* Increment thread 3 counter. */ thread_3_counter++; /* Call thread identify for Win32 test case. */ tx_thread_identify(); } } static void thread_4_entry(ULONG thread_input) { /* Enter into a forever loop. */ while(1) { /* We should never get here! */ /* Increment thread 4 counter. */ thread_4_counter++; /* Call thread identify for Win32 test case. */ tx_thread_identify(); } } #endif