void thread_3_and_4_entry(ULONG thread_input)
{
UINT status;
/* This function is executed from thread 3 and thread 4. As the loop
below shows, these function compete for ownership of semaphore_0. */
while(1)
{
/* Increment the thread counter. */
if (thread_input == 3)
thread_3_counter++;
else
thread_4_counter++;
/* Get the semaphore with suspension. */
status = tx_semaphore_get(&semaphore_0, TX_WAIT_FOREVER);
/* Check status. */
if (status != TX_SUCCESS)
break;
/* Sleep for 2 ticks to hold the semaphore. */
tx_thread_sleep(2);
/* Release the semaphore. */
status = tx_semaphore_put(&semaphore_0);
/* Check status. */
if (status != TX_SUCCESS)
break;
}
}
/**
* Sets a semaphore
*
* If any threads are waiting on the semaphore, the first thread is resumed
* Else increment semaphore.
*
* Can be called from interrupt context, so must be able to handle resuming other
* threads from interrupt context.
*
* @param semaphore : Pointer to variable which will receive handle of created semaphore
* @param called_from_ISR : Value of WICED_TRUE indicates calling from interrupt context
* Value of WICED_FALSE indicates calling from normal thread context
*
* @return wwd_result_t : WWD_SUCCESS if semaphore was successfully set
* : WICED_ERROR if an error occurred
*
*/
wwd_result_t host_rtos_set_semaphore( host_semaphore_type_t* semaphore, wiced_bool_t called_from_ISR )
{
UNUSED_PARAMETER( called_from_ISR );
return ( tx_semaphore_put( semaphore ) == TX_SUCCESS )? WWD_SUCCESS : WWD_SEMAPHORE_ERROR;
}
