1 /*
2 * This file is part of the openHiTLS project.
3 *
4 * openHiTLS is licensed under the Mulan PSL v2.
5 * You can use this software according to the terms and conditions of the Mulan PSL v2.
6 * You may obtain a copy of Mulan PSL v2 at:
7 *
8 * http://license.coscl.org.cn/MulanPSL2
9 *
10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
13 * See the Mulan PSL v2 for more details.
14 */
15
16 #include "sal_atomic.h"
17 #include "bsl_errno.h"
18
BSL_SAL_AtomicAdd(int * val,int amount,int * ref,BSL_SAL_ThreadLockHandle lock)19 int BSL_SAL_AtomicAdd(int *val, int amount, int *ref, BSL_SAL_ThreadLockHandle lock)
20 {
21 if (val == NULL || ref == NULL) {
22 return BSL_NULL_INPUT;
23 }
24 int32_t ret = BSL_SAL_ThreadWriteLock(lock);
25 if (ret != 0) {
26 return ret;
27 }
28 *val += amount;
29 *ref = *val;
30 return BSL_SAL_ThreadUnlock(lock);
31 }
32