| /* 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> |
| #include <string.h> |
| #include <time.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++; |
| |
| /* Sleep briefly so one |call_once_thread| instance will call |CRYPTO_once| |
| * while the other is running this function. */ |
| #if defined(OPENSSL_WINDOWS) |
| Sleep(1 /* milliseconds */); |
| #else |
| struct timespec req; |
| memset(&req, 0, sizeof(req)); |
| req.tv_nsec = 1000000; |
| nanosleep(&req, NULL); |
| #endif |
| } |
| |
| 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 thread1, thread2; |
| if (!run_thread(&thread1, call_once_thread) || |
| !run_thread(&thread2, call_once_thread) || |
| !wait_for_thread(thread1) || |
| !wait_for_thread(thread2)) { |
| 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 |