xref: /aosp_15_r20/external/boringssl/src/crypto/thread_none.c (revision 8fb009dc861624b67b6cdb62ea21f0f22d0c584b)
1*8fb009dcSAndroid Build Coastguard Worker /* Copyright (c) 2015, Google Inc.
2*8fb009dcSAndroid Build Coastguard Worker  *
3*8fb009dcSAndroid Build Coastguard Worker  * Permission to use, copy, modify, and/or distribute this software for any
4*8fb009dcSAndroid Build Coastguard Worker  * purpose with or without fee is hereby granted, provided that the above
5*8fb009dcSAndroid Build Coastguard Worker  * copyright notice and this permission notice appear in all copies.
6*8fb009dcSAndroid Build Coastguard Worker  *
7*8fb009dcSAndroid Build Coastguard Worker  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8*8fb009dcSAndroid Build Coastguard Worker  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9*8fb009dcSAndroid Build Coastguard Worker  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10*8fb009dcSAndroid Build Coastguard Worker  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11*8fb009dcSAndroid Build Coastguard Worker  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12*8fb009dcSAndroid Build Coastguard Worker  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13*8fb009dcSAndroid Build Coastguard Worker  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14*8fb009dcSAndroid Build Coastguard Worker 
15*8fb009dcSAndroid Build Coastguard Worker #include "internal.h"
16*8fb009dcSAndroid Build Coastguard Worker 
17*8fb009dcSAndroid Build Coastguard Worker #if !defined(OPENSSL_THREADS)
18*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_init(CRYPTO_MUTEX * lock)19*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_init(CRYPTO_MUTEX *lock) {}
20*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_lock_read(CRYPTO_MUTEX * lock)21*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_lock_read(CRYPTO_MUTEX *lock) {}
22*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_lock_write(CRYPTO_MUTEX * lock)23*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_lock_write(CRYPTO_MUTEX *lock) {}
24*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_unlock_read(CRYPTO_MUTEX * lock)25*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_unlock_read(CRYPTO_MUTEX *lock) {}
26*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_unlock_write(CRYPTO_MUTEX * lock)27*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_unlock_write(CRYPTO_MUTEX *lock) {}
28*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_MUTEX_cleanup(CRYPTO_MUTEX * lock)29*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_MUTEX_cleanup(CRYPTO_MUTEX *lock) {}
30*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_once(CRYPTO_once_t * once,void (* init)(void))31*8fb009dcSAndroid Build Coastguard Worker void CRYPTO_once(CRYPTO_once_t *once, void (*init)(void)) {
32*8fb009dcSAndroid Build Coastguard Worker   if (*once) {
33*8fb009dcSAndroid Build Coastguard Worker     return;
34*8fb009dcSAndroid Build Coastguard Worker   }
35*8fb009dcSAndroid Build Coastguard Worker   *once = 1;
36*8fb009dcSAndroid Build Coastguard Worker   init();
37*8fb009dcSAndroid Build Coastguard Worker }
38*8fb009dcSAndroid Build Coastguard Worker 
39*8fb009dcSAndroid Build Coastguard Worker static void *g_thread_locals[NUM_OPENSSL_THREAD_LOCALS];
40*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_get_thread_local(thread_local_data_t index)41*8fb009dcSAndroid Build Coastguard Worker void *CRYPTO_get_thread_local(thread_local_data_t index) {
42*8fb009dcSAndroid Build Coastguard Worker   return g_thread_locals[index];
43*8fb009dcSAndroid Build Coastguard Worker }
44*8fb009dcSAndroid Build Coastguard Worker 
CRYPTO_set_thread_local(thread_local_data_t index,void * value,thread_local_destructor_t destructor)45*8fb009dcSAndroid Build Coastguard Worker int CRYPTO_set_thread_local(thread_local_data_t index, void *value,
46*8fb009dcSAndroid Build Coastguard Worker                             thread_local_destructor_t destructor) {
47*8fb009dcSAndroid Build Coastguard Worker   g_thread_locals[index] = value;
48*8fb009dcSAndroid Build Coastguard Worker   return 1;
49*8fb009dcSAndroid Build Coastguard Worker }
50*8fb009dcSAndroid Build Coastguard Worker 
51*8fb009dcSAndroid Build Coastguard Worker #endif  // !OPENSSL_THREADS
52