openssl/test/threadstest.c

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2023-05-09 22:08:48 +00:00
/*
* Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
#if defined(_WIN32)
# include <windows.h>
#endif
#include <openssl/crypto.h>
#include "testutil.h"
#if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
typedef unsigned int thread_t;
static int run_thread(thread_t *t, void (*f)(void))
{
f();
return 1;
}
static int wait_for_thread(thread_t thread)
{
return 1;
}
#elif defined(OPENSSL_SYS_WINDOWS)
typedef HANDLE thread_t;
static DWORD WINAPI thread_run(LPVOID arg)
{
void (*f)(void);
*(void **) (&f) = arg;
f();
return 0;
}
static int run_thread(thread_t *t, void (*f)(void))
{
*t = CreateThread(NULL, 0, thread_run, *(void **) &f, 0, NULL);
return *t != NULL;
}
static int wait_for_thread(thread_t thread)
{
return WaitForSingleObject(thread, INFINITE) == 0;
}
#else
typedef pthread_t thread_t;
static void *thread_run(void *arg)
{
void (*f)(void);
*(void **) (&f) = arg;
f();
return NULL;
}
static int run_thread(thread_t *t, void (*f)(void))
{
return pthread_create(t, NULL, thread_run, *(void **) &f) == 0;
}
static int wait_for_thread(thread_t thread)
{
return pthread_join(thread, NULL) == 0;
}
#endif
static int test_lock(void)
{
CRYPTO_RWLOCK *lock = CRYPTO_THREAD_lock_new();
if (!TEST_true(CRYPTO_THREAD_read_lock(lock))
|| !TEST_true(CRYPTO_THREAD_unlock(lock)))
return 0;
CRYPTO_THREAD_lock_free(lock);
return 1;
}
static CRYPTO_ONCE once_run = CRYPTO_ONCE_STATIC_INIT;
static unsigned once_run_count = 0;
static void once_do_run(void)
{
once_run_count++;
}
static void once_run_thread_cb(void)
{
CRYPTO_THREAD_run_once(&once_run, once_do_run);
}
static int test_once(void)
{
thread_t thread;
if (!TEST_true(run_thread(&thread, once_run_thread_cb))
|| !TEST_true(wait_for_thread(thread))
|| !CRYPTO_THREAD_run_once(&once_run, once_do_run)
|| !TEST_int_eq(once_run_count, 1))
return 0;
return 1;
}
static CRYPTO_THREAD_LOCAL thread_local_key;
static unsigned destructor_run_count = 0;
static int thread_local_thread_cb_ok = 0;
static void thread_local_destructor(void *arg)
{
unsigned *count;
if (arg == NULL)
return;
count = arg;
(*count)++;
}
static void thread_local_thread_cb(void)
{
void *ptr;
ptr = CRYPTO_THREAD_get_local(&thread_local_key);
if (!TEST_ptr_null(ptr)
|| !TEST_true(CRYPTO_THREAD_set_local(&thread_local_key,
&destructor_run_count)))
return;
ptr = CRYPTO_THREAD_get_local(&thread_local_key);
if (!TEST_ptr_eq(ptr, &destructor_run_count))
return;
thread_local_thread_cb_ok = 1;
}
static int test_thread_local(void)
{
thread_t thread;
void *ptr = NULL;
if (!TEST_true(CRYPTO_THREAD_init_local(&thread_local_key,
thread_local_destructor)))
return 0;
ptr = CRYPTO_THREAD_get_local(&thread_local_key);
if (!TEST_ptr_null(ptr)
|| !TEST_true(run_thread(&thread, thread_local_thread_cb))
|| !TEST_true(wait_for_thread(thread))
|| !TEST_int_eq(thread_local_thread_cb_ok, 1))
return 0;
#if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
ptr = CRYPTO_THREAD_get_local(&thread_local_key);
if (!TEST_ptr_null(ptr))
return 0;
# if !defined(OPENSSL_SYS_WINDOWS)
if (!TEST_int_eq(destructor_run_count, 1))
return 0;
# endif
#endif
if (!TEST_true(CRYPTO_THREAD_cleanup_local(&thread_local_key)))
return 0;
return 1;
}
int setup_tests(void)
{
ADD_TEST(test_lock);
ADD_TEST(test_once);
ADD_TEST(test_thread_local);
return 1;
}