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/* Copyright (c) 2015, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include "internal.h"
#include <stdio.h>
#if !defined(OPENSSL_NO_THREADS)
#if defined(OPENSSL_WINDOWS)
#pragma warning(push, 3)
#include <windows.h>
#pragma warning(pop)
typedef HANDLE thread_t;
static DWORD WINAPI thread_run(LPVOID arg) {
void (*thread_func)(void);
/* VC really doesn't like casting between data and function pointers. */
memcpy(&thread_func, &arg, sizeof(thread_func));
thread_func();
return 0;
}
static int run_thread(thread_t *out_thread, void (*thread_func)(void)) {
void *arg;
/* VC really doesn't like casting between data and function pointers. */
memcpy(&arg, &thread_func, sizeof(arg));
*out_thread = CreateThread(NULL /* security attributes */,
0 /* default stack size */, thread_run, arg,
0 /* run immediately */, NULL /* ignore id */);
return *out_thread != NULL;
}
static int wait_for_thread(thread_t thread) {
return WaitForSingleObject(thread, INFINITE) == 0;
}
#else
#include <pthread.h>
typedef pthread_t thread_t;
static void *thread_run(void *arg) {
void (*thread_func)(void) = arg;
thread_func();
return NULL;
}
static int run_thread(thread_t *out_thread, void (*thread_func)(void)) {
return pthread_create(out_thread, NULL /* default attributes */, thread_run,
thread_func) == 0;
}
static int wait_for_thread(thread_t thread) {
return pthread_join(thread, NULL) == 0;
}
#endif /* OPENSSL_WINDOWS */
static unsigned g_once_init_called = 0;
static void once_init(void) {
g_once_init_called++;
}
static CRYPTO_once_t g_test_once = CRYPTO_ONCE_INIT;
static void call_once_thread(void) {
CRYPTO_once(&g_test_once, once_init);
}
static int test_once(void) {
if (g_once_init_called != 0) {
fprintf(stderr, "g_once_init_called was non-zero at start.\n");
return 0;
}
thread_t thread;
if (!run_thread(&thread, call_once_thread) ||
!wait_for_thread(thread)) {
fprintf(stderr, "thread failed.\n");
return 0;
}
CRYPTO_once(&g_test_once, once_init);
if (g_once_init_called != 1) {
fprintf(stderr, "Expected init function to be called once, but found %u.\n",
g_once_init_called);
return 0;
}
return 1;
}
static int g_test_thread_ok = 0;
static unsigned g_destructor_called_count = 0;
static void thread_local_destructor(void *arg) {
if (arg == NULL) {
return;
}
unsigned *count = arg;
(*count)++;
}
static void thread_local_test_thread(void) {
void *ptr = CRYPTO_get_thread_local(OPENSSL_THREAD_LOCAL_TEST);
if (ptr != NULL) {
return;
}
if (!CRYPTO_set_thread_local(OPENSSL_THREAD_LOCAL_TEST,
&g_destructor_called_count,
thread_local_destructor)) {
return;
}
if (CRYPTO_get_thread_local(OPENSSL_THREAD_LOCAL_TEST) !=
&g_destructor_called_count) {
return;
}
g_test_thread_ok = 1;
}
static void thread_local_test2_thread(void) {}
static int test_thread_local(void) {
void *ptr = CRYPTO_get_thread_local(OPENSSL_THREAD_LOCAL_TEST);
if (ptr != NULL) {
fprintf(stderr, "Thread-local data was non-NULL at start.\n");
}
thread_t thread;
if (!run_thread(&thread, thread_local_test_thread) ||
!wait_for_thread(thread)) {
fprintf(stderr, "thread failed.\n");
return 0;
}
if (!g_test_thread_ok) {
fprintf(stderr, "Thread-local data didn't work in thread.\n");
return 0;
}
if (g_destructor_called_count != 1) {
fprintf(stderr,
"Destructor should have been called once, but actually called %u "
"times.\n",
g_destructor_called_count);
return 0;
}
/* thread_local_test2_thread doesn't do anything, but it tests that the
* thread destructor function works even if thread-local storage wasn't used
* for a thread. */
if (!run_thread(&thread, thread_local_test2_thread) ||
!wait_for_thread(thread)) {
fprintf(stderr, "thread failed.\n");
return 0;
}
return 1;
}
int main(int argc, char **argv) {
if (!test_once() ||
!test_thread_local()) {
return 1;
}
printf("PASS\n");
return 0;
}
#else /* OPENSSL_NO_THREADS */
int main(int argc, char **argv) {
printf("PASS\n");
return 0;
}
#endif
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