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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
/* This test is designed to test empty queue suspension of queue that supports 3 messages
that are each 2 ULONG in size. */
#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 TX_QUEUE queue_0;
static TX_QUEUE queue_1;
/* 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);
/* Prototype for test control return. */
void test_control_return(UINT status);
static void queue_notify(TX_QUEUE *queue_ptr)
{
}
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void threadx_queue_empty_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,
16, 16, 100, TX_AUTO_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Queue Empty 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,
15, 15, 100, TX_AUTO_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Queue Empty 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,
15, 15, 100, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Queue Empty Suspension Test................................. ERROR #3\n");
test_control_return(1);
}
/* Create the queue. */
status = tx_queue_create(&queue_0, "queue 0", TX_2_ULONG, pointer, 3*2*sizeof(ULONG));
pointer = pointer + 3*2*sizeof(ULONG);
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Queue Empty Suspension Test................................. ERROR #4\n");
test_control_return(1);
}
/* Setup queue send notification. */
status = tx_queue_send_notify(&queue_0, queue_notify);
#ifndef TX_DISABLE_NOTIFY_CALLBACKS
/* Check for status. */
if (status != TX_SUCCESS)
{
printf("Running Queue Empty Suspension Test................................. ERROR #5\n");
test_control_return(1);
}
#else
/* Check for status. */
if (status != TX_FEATURE_NOT_ENABLED)
{
printf("Running Queue Empty Suspension Test................................. ERROR #6\n");
test_control_return(1);
}
#endif
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
ULONG source_message[2] = {0x12345678, 0};
/* Inform user. */
printf("Running Queue Empty Suspension Test................................. ");
/* Increment the thread counter. */
thread_0_counter++;
#ifndef TX_DISABLE_ERROR_CHECKING
/* Attempt to setup notify on a non-queue. */
status = tx_queue_send_notify(TX_NULL, queue_notify);
/* Check status. */
if (status != TX_QUEUE_ERROR)
{
/* Queue error. */
printf("ERROR #7\n");
test_control_return(1);
}
/* Attempt to setup notify on a non-created queue. */
queue_1.tx_queue_id = 0;
status = tx_queue_send_notify(&queue_1, queue_notify);
/* Check status. */
if (status != TX_QUEUE_ERROR)
{
/* Queue error. */
printf("ERROR #8\n");
test_control_return(1);
}
#endif
/* Send message that should go directly into the the other thread's
destination area! We should also preempt and the queue should
be empty by the next time we get around! */
status = tx_queue_send(&queue_0, &source_message[0], TX_NO_WAIT);
/* Check status and run count of other thread - it should have got the
message already. */
if ((status != TX_SUCCESS) || (thread_1_counter != 1))
{
/* Queue error. */
printf("ERROR #9\n");
test_control_return(1);
}
/* Now resume thread 2 to get another thread suspended on an empty queue. */
tx_thread_resume(&thread_2);
/* Now send 2 messages to wakeup both threads! */
source_message[0]++;
status = tx_queue_send(&queue_0, &source_message[0], TX_NO_WAIT);
status += tx_queue_send(&queue_0, &source_message[0], TX_NO_WAIT);
/* Check status and run count of other thread - it should have got the
message already. */
if ((status != TX_SUCCESS) || (thread_1_counter != 2) || (thread_2_counter != 1))
{
/* Queue error. */
printf("ERROR #10\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;
ULONG expected_message[2] = {0x12345678, 0};
ULONG dest_message[2];
/* Loop forever! */
while(1)
{
/* Receive message from empty queue with suspension. We should always
suspend until thread 0 executes. */
status = tx_queue_receive(&queue_0, &dest_message[0], TX_WAIT_FOREVER);
if ((status != TX_SUCCESS) || (dest_message[0] != expected_message[0]++))
break;
/* Increment the thread counter. */
thread_1_counter++;
}
}
static void thread_2_entry(ULONG thread_input)
{
UINT status;
ULONG expected_message[2] = {0x12345679, 0};
ULONG dest_message[2];
/* Loop forever! */
while(1)
{
/* Receive message from empty queue with suspension. We should always
suspend until thread 0 executes. */
status = tx_queue_receive(&queue_0, &dest_message[0], TX_WAIT_FOREVER);
if ((status != TX_SUCCESS) || (dest_message[0] != expected_message[0]++))
break;
/* Increment the thread counter. */
thread_2_counter++;
}
}
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