/* This test is designed to test suspension on a memory byte pool. */ #include #include "tx_api.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 TX_BYTE_POOL pool_0; /* 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); #ifndef TX_MANUAL_TEST /* Define test flags for automated test. */ extern TEST_FLAG threadx_byte_allocate_loop_test; extern TEST_FLAG threadx_byte_release_loop_test; #endif void abort_and_resume_byte_allocating_thread(void) { UCHAR *search_ptr; /* Adjust the search pointer to avoid the search pointer change for this test. */ search_ptr = pool_0.tx_byte_pool_search; while (search_ptr >= pool_0.tx_byte_pool_search) { search_ptr = *((UCHAR **) ((VOID *) search_ptr)); } pool_0.tx_byte_pool_search = search_ptr; tx_thread_wait_abort(&thread_3); tx_thread_resume(&thread_3); } /* 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_byte_memory_suspension_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, 17, 17, 100, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check status. */ if (status != TX_SUCCESS) { printf("Running Byte Memory Suspension 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, 17, 17, 100, TX_AUTO_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check status. */ if (status != TX_SUCCESS) { printf("Running Byte Memory Suspension 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, 17, 17, 100, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; status += tx_thread_create(&thread_3, "thread 3", thread_3_entry, 3, pointer, TEST_STACK_SIZE_PRINTF, 16, 16, 100, TX_DONT_START); pointer = pointer + TEST_STACK_SIZE_PRINTF; /* Check status. */ if (status != TX_SUCCESS) { printf("Running Byte Memory Suspension Test................................. ERROR #3\n"); test_control_return(1); } /* Create byte pool 0. */ status = tx_byte_pool_create(&pool_0, "pool 0", pointer, 108); pointer = pointer + 108; /* Check status. */ if (status != TX_SUCCESS) { printf("Running Byte Memory Suspension Test................................. ERROR #4\n"); test_control_return(1); } } /* Define the test threads. */ static void thread_0_entry(ULONG thread_input) { UINT status; CHAR *pointer; /* Inform user. */ printf("Running Byte Memory Suspension Test................................. "); /* Increment the thread counter. */ thread_0_counter++; /* Allocate memory from the pool. Only one block of this size will fit. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_NO_WAIT); /* Check status. */ if (status != TX_SUCCESS) { /* Byte memory error. */ printf("ERROR #5\n"); test_control_return(1); } /* Let other thread suspend on byte pool. */ tx_thread_relinquish(); /* Now release the blocks. */ status = tx_byte_release(pointer); /* Check status. */ if ((status != TX_SUCCESS) && (thread_1_counter == 0)) { /* Byte memory error. */ printf("ERROR #6\n"); test_control_return(1); } /* Let other thread run again. */ tx_thread_relinquish(); /* Check to make sure thread 1 has now run. */ if (thread_1_counter != 1) { /* Byte memory error. */ printf("ERROR #7\n"); test_control_return(1); } /* Now allocate the memory again. Only one block of this size will fit. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_NO_WAIT); /* Check status. */ if (status != TX_SUCCESS) { /* Byte memory error. */ printf("ERROR #8\n"); test_control_return(1); } /* Resume the second thread. */ tx_thread_resume(&thread_2); /* Now relinquish to let both thread 1 and 2 suspend. */ tx_thread_relinquish(); /* At this point both threads should be suspended on the byte pool. */ /* Release the memory again. */ status = tx_byte_release(pointer); /* Check status. */ if (status != TX_SUCCESS) { /* Byte memory error. */ printf("ERROR #9\n"); test_control_return(1); } /* Now relinquish to get the other threads to run once. */ tx_thread_relinquish(); tx_thread_relinquish(); /* At this point both threads 1 and 2 are suspended on the byte pool again. */ if ((thread_1_counter != 3) && (thread_2_counter != 1)) { /* Byte memory error. */ printf("ERROR #10\n"); test_control_return(1); } /* Now allocate the memory again. Only one block of this size will fit. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_NO_WAIT); /* Check status. */ if (status != TX_SUCCESS) { /* Byte memory error. */ printf("ERROR #10a\n"); test_control_return(1); } /* Resume thread 3 to get it suspended on the the pool. */ tx_thread_resume(&thread_3); #ifdef TX_MANUAL_TEST /* Set BP hear. Now release the memory and step into the code. After byte search issue IRQ2 mannually, which will make thread 3 abort the first request and make another request of a different size. This is the path we are trying to generate in the test. */ status = tx_byte_release(pointer); #else /* Set the flag that will make thread 3 abort the first request and make another request of a different size. This tests the memory size change path in the byte release loop logic. */ threadx_byte_release_loop_test = 1; status = tx_byte_release(pointer); #endif /* Check status. */ if (status != TX_SUCCESS) { /* Byte memory error. */ printf("ERROR #10b\n"); test_control_return(1); } else { /* Successful test. */ printf("SUCCESS!\n"); test_control_return(0); } } static void thread_1_entry(ULONG thread_input) { UINT status; CHAR *pointer; while(1) { /* Allocate memory from the pool. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_WAIT_FOREVER); /* Check status. */ if (status != TX_SUCCESS) return; /* Increment the thread counter. */ thread_1_counter++; /* Now release each of the blocks. */ status = tx_byte_release(pointer); /* Check for status. */ if (status != TX_SUCCESS) return; /* Let thread 0 run again. */ tx_thread_relinquish(); } } static void thread_2_entry(ULONG thread_input) { UINT status; CHAR *pointer; while(1) { /* Allocate memory from the pool. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_WAIT_FOREVER); /* Check status. */ if (status != TX_SUCCESS) return; /* Increment the thread counter. */ thread_2_counter++; /* Now release each of the blocks. */ status = tx_byte_release(pointer); /* Check for status. */ if (status != TX_SUCCESS) return; /* Let thread 0 run again. */ tx_thread_relinquish(); } } static void thread_3_entry(ULONG thread_input) { UINT status; CHAR *pointer; while (1) { /* Allocate memory from the pool. */ tx_byte_allocate(&pool_0, (VOID **) &pointer, 60, TX_WAIT_FOREVER); #ifdef TX_MANUAL_TEST /* Set BP here and manually clear the owner after one failed byte search just to test the loop construct in tx_byte_allocate.c. */ status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 90, TX_WAIT_FOREVER); #else /* Set the flag that clears the pool owner after one failed byte search to test the loop construct processing in tx_byte_allocate.c. */ threadx_byte_allocate_loop_test = 1; status = tx_byte_allocate(&pool_0, (VOID **) &pointer, 90, TX_WAIT_FOREVER); #endif /* Check for status. */ if (status != TX_SUCCESS) return; /* Increment the thread counter. */ thread_3_counter++; /* Now release the block. */ status = tx_byte_release(pointer); /* Check for status. */ if (status != TX_SUCCESS) return; /* suspend this thread. */ tx_thread_suspend(&thread_3); } }