|  | // Copyright 2015 The BoringSSL Authors | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //     https://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | #include "internal.h" | 
|  |  | 
|  | #if !defined(OPENSSL_THREADS) | 
|  |  | 
|  | void CRYPTO_MUTEX_init(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_MUTEX_lock_read(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_MUTEX_lock_write(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_MUTEX_unlock_read(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_MUTEX_unlock_write(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_MUTEX_cleanup(CRYPTO_MUTEX *lock) {} | 
|  |  | 
|  | void CRYPTO_once(CRYPTO_once_t *once, void (*init)(void)) { | 
|  | if (*once) { | 
|  | return; | 
|  | } | 
|  | *once = 1; | 
|  | init(); | 
|  | } | 
|  |  | 
|  | static void *g_thread_locals[NUM_OPENSSL_THREAD_LOCALS]; | 
|  |  | 
|  | void *CRYPTO_get_thread_local(thread_local_data_t index) { | 
|  | return g_thread_locals[index]; | 
|  | } | 
|  |  | 
|  | int CRYPTO_set_thread_local(thread_local_data_t index, void *value, | 
|  | thread_local_destructor_t destructor) { | 
|  | g_thread_locals[index] = value; | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | #endif  // !OPENSSL_THREADS |