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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 */
/***************************************************************************/
/* Define the ThreadX SMP time-slice test. */
// Some portions generated by Codex (gpt 5.4).
#include <stdio.h>
#include "tx_api.h"
static TX_THREAD thread_0;
static TX_THREAD thread_31a;
static TX_THREAD thread_31b;
static TX_THREAD thread_31c;
static TX_THREAD thread_31d;
static TX_THREAD thread_31e;
static TX_THREAD thread_31f;
static TX_THREAD thread_31g;
static TX_THREAD thread_31h;
static ULONG thread_31a_counter;
static ULONG thread_31b_counter;
static ULONG thread_31c_counter;
static ULONG thread_31d_counter;
static ULONG thread_31e_counter;
static ULONG thread_31f_counter;
static ULONG thread_31g_counter;
static ULONG thread_31h_counter;
static unsigned long error = 0;
/* Define thread prototypes. */
static void thread_0_entry(ULONG thread_input);
static void thread_31a_entry(ULONG thread_input);
static void thread_31b_entry(ULONG thread_input);
static void thread_31c_entry(ULONG thread_input);
static void thread_31d_entry(ULONG thread_input);
static void thread_31e_entry(ULONG thread_input);
static void thread_31f_entry(ULONG thread_input);
static void thread_31g_entry(ULONG thread_input);
static void thread_31h_entry(ULONG thread_input);
/* 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_smp_time_slice_test(void *first_unused_memory)
#endif
{
UINT status;
CHAR *pointer;
UINT i;
/* 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, 0,
pointer, TEST_STACK_SIZE_PRINTF,
0, 0, TX_NO_TIME_SLICE, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_0, 0xE); /* Core 0 only! */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #1\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31a, "thread 31a", thread_31a_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31a, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #2\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31b, "thread 31b", thread_31b_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31b, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #3\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31c, "thread 31c", thread_31c_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31c, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #4\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31d, "thread 31d", thread_31d_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31d, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #5\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31e, "thread 31e", thread_31e_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31e, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #6\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31f, "thread 31f", thread_31f_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31f, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #7\n");
test_control_return(1);
}
status = tx_thread_create(&thread_31g, "thread 31g", thread_31g_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 31, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31g, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #8\n");
test_control_return(1);
}
/* Enable preemption-threshold for this thread to hit branch in tx_thread_time_slice
where the expired time-slice thread is replaced by a thread with preemption-threshold
enabled. */
status = tx_thread_create(&thread_31h, "thread 31h", thread_31h_entry, 0,
pointer, TEST_STACK_SIZE_PRINTF,
31, 30, 1, TX_DONT_START);
pointer = pointer + TEST_STACK_SIZE_PRINTF;
status += tx_thread_smp_core_exclude(&thread_31h, 0); /* Any core. */
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #9\n");
test_control_return(1);
}
/* Clear all the counters. */
thread_31a_counter = 0;
thread_31b_counter = 0;
thread_31c_counter = 0;
thread_31d_counter = 0;
thread_31e_counter = 0;
thread_31f_counter = 0;
thread_31g_counter = 0;
thread_31h_counter = 0;
/* Resume thread 0. */
status = tx_thread_resume(&thread_0);
/* Check status. */
if (status != TX_SUCCESS)
{
printf("Running SMP Time-Slice Test......................................... ERROR #10\n");
test_control_return(1);
}
}
/* Define the test threads. */
static void thread_0_entry(ULONG thread_input)
{
UINT status;
/* Inform user. */
printf("Running SMP Time-Slice Test......................................... ");
/* Resume all the same priority threads. */
status = tx_thread_resume(&thread_31a);
status += tx_thread_resume(&thread_31b);
status += tx_thread_resume(&thread_31c);
status += tx_thread_resume(&thread_31d);
status += tx_thread_resume(&thread_31e);
status += tx_thread_resume(&thread_31f);
status += tx_thread_resume(&thread_31g);
status += tx_thread_resume(&thread_31h);
/* Sleep long enough to see if all the threads execute. */
tx_thread_sleep(20);
/* Now check and make sure all the threads ran. */
if ((status != TX_SUCCESS) || (thread_31a_counter == 0) || (thread_31b_counter == 0) || (thread_31c_counter == 0) || (thread_31d_counter == 0) ||
(thread_31e_counter == 0) || (thread_31f_counter == 0) || (thread_31g_counter == 0) || (thread_31h_counter == 0))
{
/* Execution error. */
printf("ERROR #31\n");
test_control_return(1);
}
else
{
/* Successful test. */
printf("SUCCESS!\n");
test_control_return(0);
}
}
static void thread_31a_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31a_counter++;
}
}
static void thread_31b_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31b_counter++;
}
}
static void thread_31c_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31c_counter++;
}
}
static void thread_31d_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31d_counter++;
}
}
static void thread_31e_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31e_counter++;
}
}
static void thread_31f_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31f_counter++;
}
}
static void thread_31g_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31g_counter++;
}
}
static void thread_31h_entry(ULONG thread_input)
{
while(1)
{
tx_thread_identify();
thread_31h_counter++;
}
}
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