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openssl/test/threadpool_test.c
Tomas Mraz 7ed6de997f Copyright year updates 
Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes
2024-09-05 09:35:49 +02:00

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/*
* Copyright 2022-2024 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <internal/cryptlib.h>
#include <internal/thread_arch.h>
#include <internal/thread.h>
#include <openssl/thread.h>
#include "testutil.h"
static int test_thread_reported_flags(void)
{
uint32_t flags = OSSL_get_thread_support_flags();
#if !defined(OPENSSL_THREADS)
if (!TEST_int_eq(flags, 0))
return 0;
#endif
#if defined(OPENSSL_NO_THREAD_POOL)
if (!TEST_int_eq(flags & OSSL_THREAD_SUPPORT_FLAG_THREAD_POOL, 0))
return 0;
#else
if (!TEST_int_eq(flags & OSSL_THREAD_SUPPORT_FLAG_THREAD_POOL,
OSSL_THREAD_SUPPORT_FLAG_THREAD_POOL))
return 0;
#endif
#if defined(OPENSSL_NO_DEFAULT_THREAD_POOL)
if (!TEST_int_eq(flags & OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN, 0))
return 0;
#else
if (!TEST_int_eq(flags & OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN,
OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN))
return 0;
#endif
return 1;
}
#ifndef OPENSSL_NO_THREAD_POOL
# define TEST_THREAD_NATIVE_FN_SET_VALUE 1
static uint32_t test_thread_native_fn(void *data)
{
uint32_t *ldata = (uint32_t*) data;
*ldata = *ldata + 1;
return *ldata - 1;
}
/* Tests of native threads */
static int test_thread_native(void)
{
uint32_t retval;
uint32_t local;
CRYPTO_THREAD *t;
/* thread spawn, join */
local = 1;
t = ossl_crypto_thread_native_start(test_thread_native_fn, &local, 1);
if (!TEST_ptr(t))
return 0;
/*
* pthread_join results in undefined behaviour if called on a joined
* thread. We do not impose such restrictions, so it's up to us to
* ensure that this does not happen (thread sanitizer will warn us
* if we do).
*/
if (!TEST_int_eq(ossl_crypto_thread_native_join(t, &retval), 1))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_join(t, &retval), 1))
return 0;
if (!TEST_int_eq(retval, 1) || !TEST_int_eq(local, 2))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_clean(t), 1))
return 0;
t = NULL;
if (!TEST_int_eq(ossl_crypto_thread_native_clean(t), 0))
return 0;
return 1;
}
# if !defined(OPENSSL_NO_DEFAULT_THREAD_POOL)
static int test_thread_internal(void)
{
uint32_t retval[3];
uint32_t local[3] = { 0 };
uint32_t threads_supported;
size_t i;
void *t[3];
int status = 0;
OSSL_LIB_CTX *cust_ctx = OSSL_LIB_CTX_new();
threads_supported = OSSL_get_thread_support_flags();
threads_supported &= OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN;
if (threads_supported == 0) {
if (!TEST_uint64_t_eq(OSSL_get_max_threads(NULL), 0))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(cust_ctx), 0))
goto cleanup;
if (!TEST_int_eq(OSSL_set_max_threads(NULL, 1), 0))
goto cleanup;
if (!TEST_int_eq(OSSL_set_max_threads(cust_ctx, 1), 0))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(NULL), 0))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(cust_ctx), 0))
goto cleanup;
t[0] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[0]);
if (!TEST_ptr_null(t[0]))
goto cleanup;
status = 1;
goto cleanup;
}
/* fail when not allowed to use threads */
if (!TEST_uint64_t_eq(OSSL_get_max_threads(NULL), 0))
goto cleanup;
t[0] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[0]);
if (!TEST_ptr_null(t[0]))
goto cleanup;
/* fail when enabled on a different context */
if (!TEST_uint64_t_eq(OSSL_get_max_threads(cust_ctx), 0))
goto cleanup;
if (!TEST_int_eq(OSSL_set_max_threads(cust_ctx, 1), 1))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(NULL), 0))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(cust_ctx), 1))
goto cleanup;
t[0] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[0]);
if (!TEST_ptr_null(t[0]))
goto cleanup;
if (!TEST_int_eq(OSSL_set_max_threads(cust_ctx, 0), 1))
goto cleanup;
/* sequential startup */
if (!TEST_int_eq(OSSL_set_max_threads(NULL, 1), 1))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(NULL), 1))
goto cleanup;
if (!TEST_uint64_t_eq(OSSL_get_max_threads(cust_ctx), 0))
goto cleanup;
for (i = 0; i < OSSL_NELEM(t); ++i) {
local[0] = i + 1;
t[i] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[0]);
if (!TEST_ptr(t[i]))
goto cleanup;
/*
* pthread_join results in undefined behaviour if called on a joined
* thread. We do not impose such restrictions, so it's up to us to
* ensure that this does not happen (thread sanitizer will warn us
* if we do).
*/
if (!TEST_int_eq(ossl_crypto_thread_join(t[i], &retval[0]), 1))
goto cleanup;
if (!TEST_int_eq(ossl_crypto_thread_join(t[i], &retval[0]), 1))
goto cleanup;
if (!TEST_int_eq(retval[0], i + 1) || !TEST_int_eq(local[0], i + 2))
goto cleanup;
if (!TEST_int_eq(ossl_crypto_thread_clean(t[i]), 1))
goto cleanup;
t[i] = NULL;
if (!TEST_int_eq(ossl_crypto_thread_clean(t[i]), 0))
goto cleanup;
}
/* parallel startup */
if (!TEST_int_eq(OSSL_set_max_threads(NULL, OSSL_NELEM(t)), 1))
goto cleanup;
for (i = 0; i < OSSL_NELEM(t); ++i) {
local[i] = i + 1;
t[i] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[i]);
if (!TEST_ptr(t[i]))
goto cleanup;
}
for (i = 0; i < OSSL_NELEM(t); ++i) {
if (!TEST_int_eq(ossl_crypto_thread_join(t[i], &retval[i]), 1))
goto cleanup;
}
for (i = 0; i < OSSL_NELEM(t); ++i) {
if (!TEST_int_eq(retval[i], i + 1) || !TEST_int_eq(local[i], i + 2))
goto cleanup;
if (!TEST_int_eq(ossl_crypto_thread_clean(t[i]), 1))
goto cleanup;
}
/* parallel startup, bottleneck */
if (!TEST_int_eq(OSSL_set_max_threads(NULL, OSSL_NELEM(t) - 1), 1))
goto cleanup;
for (i = 0; i < OSSL_NELEM(t); ++i) {
local[i] = i + 1;
t[i] = ossl_crypto_thread_start(NULL, test_thread_native_fn, &local[i]);
if (!TEST_ptr(t[i]))
goto cleanup;
}
for (i = 0; i < OSSL_NELEM(t); ++i) {
if (!TEST_int_eq(ossl_crypto_thread_join(t[i], &retval[i]), 1))
goto cleanup;
}
for (i = 0; i < OSSL_NELEM(t); ++i) {
if (!TEST_int_eq(retval[i], i + 1) || !TEST_int_eq(local[i], i + 2))
goto cleanup;
if (!TEST_int_eq(ossl_crypto_thread_clean(t[i]), 1))
goto cleanup;
}
if (!TEST_int_eq(OSSL_set_max_threads(NULL, 0), 1))
goto cleanup;
status = 1;
cleanup:
OSSL_LIB_CTX_free(cust_ctx);
return status;
}
# endif
static uint32_t test_thread_native_multiple_joins_fn1(void *data)
{
return 0;
}
static uint32_t test_thread_native_multiple_joins_fn2(void *data)
{
ossl_crypto_thread_native_join((CRYPTO_THREAD *)data, NULL);
return 0;
}
static uint32_t test_thread_native_multiple_joins_fn3(void *data)
{
ossl_crypto_thread_native_join((CRYPTO_THREAD *)data, NULL);
return 0;
}
static int test_thread_native_multiple_joins(void)
{
CRYPTO_THREAD *t, *t1, *t2;
t = ossl_crypto_thread_native_start(test_thread_native_multiple_joins_fn1, NULL, 1);
t1 = ossl_crypto_thread_native_start(test_thread_native_multiple_joins_fn2, t, 1);
t2 = ossl_crypto_thread_native_start(test_thread_native_multiple_joins_fn3, t, 1);
if (!TEST_ptr(t) || !TEST_ptr(t1) || !TEST_ptr(t2))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_join(t2, NULL), 1))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_join(t1, NULL), 1))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_clean(t2), 1))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_clean(t1), 1))
return 0;
if (!TEST_int_eq(ossl_crypto_thread_native_clean(t), 1))
return 0;
return 1;
}
#endif
int setup_tests(void)
{
ADD_TEST(test_thread_reported_flags);
#if !defined(OPENSSL_NO_THREAD_POOL)
ADD_TEST(test_thread_native);
ADD_TEST(test_thread_native_multiple_joins);
# if !defined(OPENSSL_NO_DEFAULT_THREAD_POOL)
ADD_TEST(test_thread_internal);
# endif
#endif
return 1;
}
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