threadx/test/tx/regression/threadx_event_flag_suspension_consume_test.c

/* This test is designed to test event flag suspension and resumption of two threads
   waiting on the same event flag set with the consumption.  */

#include   <stdio.h>
#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_EVENT_FLAGS_GROUP group_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);


/* Prototype for test control return.  */
void  test_control_return(UINT status);


static void event_set_notify(TX_EVENT_FLAGS_GROUP *group)
{

    /* Not necessary to do anything in this function.  */
}


/* Define what the initial system looks like.  */

#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void    threadx_event_flag_suspension_consume_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 Event Flag Suspension/Consumption 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, 100, TX_AUTO_START);
    pointer = pointer + TEST_STACK_SIZE_PRINTF;

    /* Check status.  */
    if (status != TX_SUCCESS)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #2\n");
        test_control_return(1);
    }

    status =  tx_thread_create(&thread_2, "thread 2", thread_2_entry, 1,  
            pointer, TEST_STACK_SIZE_PRINTF, 
            16, 16, 100, TX_AUTO_START);
    pointer = pointer + TEST_STACK_SIZE_PRINTF;

    /* Check status.  */
    if (status != TX_SUCCESS)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #3\n");
        test_control_return(1);
    }

    status =  tx_thread_create(&thread_3, "thread 3", thread_3_entry, 1,  
            pointer, TEST_STACK_SIZE_PRINTF, 
            16, 16, 100, TX_AUTO_START);
    pointer = pointer + TEST_STACK_SIZE_PRINTF;

    /* Check status.  */
    if (status != TX_SUCCESS)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #4\n");
        test_control_return(1);
    }

    /* Create event flag group 0.  */
    status =  tx_event_flags_create(&group_0, "group 0");

    /* Check status.  */
    if (status != TX_SUCCESS)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #5\n");
        test_control_return(1);
    }

    /* Register the event set notify function.  */
    status =  tx_event_flags_set_notify(&group_0, event_set_notify);
    
#ifndef TX_DISABLE_NOTIFY_CALLBACKS

    /* Check status.  */
    if (status != TX_SUCCESS)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #6\n");
        test_control_return(1);
    }
#else

    /* Check status.  */
    if (status != TX_FEATURE_NOT_ENABLED)
    {

        printf("Running Event Flag Suspension/Consumption Test...................... ERROR #7\n");
        test_control_return(1);
    }

#endif

}



/* Define the test threads.  */

static void    thread_0_entry(ULONG thread_input)
{

UINT    status;
ULONG   event_flag = 1;
int     i;


    /* Inform user.  */
    printf("Running Event Flag Suspension/Consumption Test...................... ");

    /* Set all event flags.  */
    for (i = 0; i < 32; i++)
    {

        /* Increment run counter.  */
        thread_0_counter++;

        /* Set event flag.  */
        status =  tx_event_flags_set(&group_0, event_flag, TX_OR);

        /* Check status.  */
        if (status != TX_SUCCESS)
        {

            /* Event flag error.  */
            printf("ERROR #8\n");
            test_control_return(1);
        }

        /* Check the thread counters...  */
        if ((i < 31) && ((thread_1_counter != 1) || (thread_2_counter != 1) || (thread_3_counter != 1)))
        {

            /* Event flag error.  */
            printf("ERROR #9\n");
            test_control_return(1);
        }
        if ((i == 31) && ((thread_1_counter != 2) || (thread_2_counter != 2) || (thread_3_counter != 2)))
        {

            /* Event flag error.  */
            printf("ERROR #10\n");
            test_control_return(1);
        }

        /* Shift event flag up one bit.  */
        event_flag =  event_flag << 1;

        /* Check for 0.  */
        if (event_flag == 0)
            event_flag = 1;
    }

    /* Successful test.  */
    printf("SUCCESS!\n");
    test_control_return(0);
}


static void    thread_1_entry(ULONG thread_input)
{

UINT    status;
//ULONG   event_flag = 1;
ULONG   actual_events;

    /* Wait for event flags.  */
    while(1)
    {

        /* Increment run counter.  */
        thread_1_counter++;

        /* Attempt to get events from event flag group.  AND option.  */
        status =  tx_event_flags_get(&group_0, 0x80008000, TX_AND_CLEAR, &actual_events, TX_WAIT_FOREVER);

        /* Check status.  */
        if ((status != TX_SUCCESS) || (actual_events != 0xFFFFFFFFUL))
            return;
    }
}


static void    thread_2_entry(ULONG thread_input)
{

UINT    status;
//ULONG   event_flag = 1;
ULONG   actual_events;

    /* Wait for event flags.  */
    while(1)
    {

        /* Increment run counter.  */
        thread_2_counter++;

        /* Attempt to get events from event flag group.  AND option.  */
        status =  tx_event_flags_get(&group_0, 0x80008000, TX_AND, &actual_events, TX_WAIT_FOREVER);

        /* Check status.  */
        if ((status != TX_SUCCESS) || (actual_events != 0xFFFFFFFFUL))
            return;
    }
}


static void    thread_3_entry(ULONG thread_input)
{

UINT    status;
//ULONG   event_flag = 1;
ULONG   actual_events;

    /* Wait for event flags.  */
    while(1)
    {

        /* Increment run counter.  */
        thread_3_counter++;

        /* Attempt to get events from event flag group.  AND option.  */
        status =  tx_event_flags_get(&group_0, 0x80008000, TX_AND, &actual_events, TX_WAIT_FOREVER);

        /* Check status.  */
        if ((status != TX_SUCCESS) || (actual_events != 0xFFFFFFFFUL))
            return;
    }
}