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/***************************************************************************/
/* 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. */
/* */
/* AI Disclosure: This file was largely AI-generated by Claude Code */
/* (Opus 5). The AI-generated portions may be considered public domain */
/* (CC0-1.0) and not subject to the project's licence. The human */
/* contributor has reviewed and verified that the code is correct. */
/* */
/* SPDX-License-Identifier: MIT and CC0-1.0 */
/***************************************************************************/
/* This test is designed to test basic POSIX message queue operation: open a
queue, send a message through it, receive the message back and confirm both
the contents and the priority survived the round trip. */
#include <stdio.h>
#include "tx_api.h"
#include "pthread.h"
#define TEST_MESSAGE_SIZE 40
#define TEST_QUEUE_DEPTH 10
#define TEST_PRIORITY 3
/* Memory the POSIX layer carves its own objects out of. */
static ULONG posix_region[192 * 1024 / sizeof(ULONG)];
static pthread_t worker;
static pthread_attr_t worker_attr;
static mqd_t queue_des;
static struct mq_attr queue_attr;
extern void test_control_return(UINT status);
static VOID *worker_entry(VOID *input);
/* Define what the initial system looks like. */
#ifdef CTEST
void test_application_define(void *first_unused_memory)
#else
void posix_mq_basic_application_define(void *first_unused_memory)
#endif
{
struct sched_param param;
VOID *storage_ptr;
(void) first_unused_memory;
/* Bring the POSIX layer up. It returns the first address beyond its own
structures, which is where pthread stacks are taken from. */
storage_ptr = posix_initialize(posix_region);
queue_attr.mq_maxmsg = TEST_QUEUE_DEPTH;
queue_attr.mq_msgsize = TEST_MESSAGE_SIZE;
queue_des = mq_open("mq_basic", O_CREAT | O_RDWR, 0, &queue_attr);
if (queue_des == (mqd_t) ERROR)
{
printf("Running POSIX Message Queue Basic Test............................. ERROR #1\n");
test_control_return(1);
}
pthread_attr_init(&worker_attr);
param.sched_priority = 10;
pthread_attr_setschedparam(&worker_attr, ¶m);
pthread_attr_setstackaddr(&worker_attr, storage_ptr);
if (pthread_create(&worker, &worker_attr, worker_entry, NULL) != OK)
{
printf("Running POSIX Message Queue Basic Test............................. ERROR #2\n");
test_control_return(1);
}
}
static VOID *worker_entry(VOID *input)
{
CHAR sent[TEST_MESSAGE_SIZE];
CHAR received[TEST_MESSAGE_SIZE];
ULONG received_priority;
ssize_t received_length;
INT i;
(void) input;
printf("Running POSIX Message Queue Basic Test............................. ");
/* Build a recognisable payload rather than a constant one, so a message
that is dropped or truncated cannot pass by accident. */
for (i = 0; i < TEST_MESSAGE_SIZE; i++)
{
sent[i] = (CHAR) (i + 1);
received[i] = (CHAR) 0;
}
if (mq_send(queue_des, sent, TEST_MESSAGE_SIZE, TEST_PRIORITY) != OK)
{
printf("ERROR #3\n");
test_control_return(1);
}
received_priority = 0;
received_length = mq_receive(queue_des, received, TEST_MESSAGE_SIZE, &received_priority);
if (received_length != (ssize_t) TEST_MESSAGE_SIZE)
{
printf("ERROR #4\n");
test_control_return(1);
}
if (received_priority != (ULONG) TEST_PRIORITY)
{
printf("ERROR #5\n");
test_control_return(1);
}
for (i = 0; i < TEST_MESSAGE_SIZE; i++)
{
if (received[i] != sent[i])
{
printf("ERROR #6\n");
test_control_return(1);
}
}
if (mq_close(queue_des) != OK)
{
printf("ERROR #7\n");
test_control_return(1);
}
if (mq_unlink("mq_basic") != OK)
{
printf("ERROR #8\n");
test_control_return(1);
}
printf("SUCCESS!\n");
test_control_return(0);
return (NULL);
}
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