1 /*
2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 * Description: atomic
15 *
16 * Create: 2021-12-16
17 */
18
19 #include <los_memory.h>
20 #include "soc_osal.h"
21 #include "osal_errno.h"
22 #include "los_atomic.h"
23 #include "securec.h"
24 #include "osal_inner.h"
25
osal_atomic_read(osal_atomic * atomic)26 int osal_atomic_read(osal_atomic *atomic)
27 {
28 if (atomic == NULL) {
29 osal_log("parameter invalid!\n");
30 return OSAL_FAILURE;
31 }
32
33 return LOS_AtomicRead((Atomic *)&(atomic->counter));
34 }
35
osal_atomic_set(osal_atomic * atomic,int i)36 void osal_atomic_set(osal_atomic *atomic, int i)
37 {
38 if (atomic == NULL) {
39 osal_log("parameter invalid!\n");
40 return;
41 }
42
43 LOS_AtomicSet((Atomic *)&(atomic->counter), i);
44 }
45
osal_atomic_inc_return(osal_atomic * atomic)46 int osal_atomic_inc_return(osal_atomic *atomic)
47 {
48 if (atomic == NULL) {
49 osal_log("parameter invalid!\n");
50 return OSAL_FAILURE;
51 }
52
53 return LOS_AtomicIncRet((Atomic *)&(atomic->counter));
54 }
55
osal_atomic_dec_return(osal_atomic * atomic)56 int osal_atomic_dec_return(osal_atomic *atomic)
57 {
58 if (atomic == NULL) {
59 osal_log("parameter invalid!\n");
60 return OSAL_FAILURE;
61 }
62
63 return LOS_AtomicDecRet((Atomic *)&(atomic->counter));
64 }
65
osal_atomic_inc(osal_atomic * atomic)66 void osal_atomic_inc(osal_atomic *atomic)
67 {
68 if (atomic == NULL) {
69 osal_log("parameter invalid!\n");
70 return;
71 }
72
73 LOS_AtomicInc((Atomic *)&(atomic->counter));
74 }
75
osal_atomic_dec(osal_atomic * atomic)76 void osal_atomic_dec(osal_atomic *atomic)
77 {
78 if (atomic == NULL) {
79 osal_log("parameter invalid!\n");
80 return;
81 }
82
83 LOS_AtomicDec((Atomic *)&(atomic->counter));
84 }
85
osal_atomic_add(osal_atomic * atomic,int count)86 void osal_atomic_add(osal_atomic *atomic, int count)
87 {
88 if (atomic == NULL) {
89 osal_log("parameter invalid!\n");
90 return;
91 }
92
93 LOS_AtomicAdd((Atomic *)&(atomic->counter), count);
94 }
95
osal_atomic_sub(osal_atomic * atomic,unsigned int count)96 void osal_atomic_sub(osal_atomic *atomic, unsigned int count)
97 {
98 LOS_AtomicSub((Atomic *)&(atomic->counter), count);
99 }
100
osal_atomic_add_return(osal_atomic * atomic,int count)101 int osal_atomic_add_return(osal_atomic *atomic, int count)
102 {
103 return LOS_AtomicAdd((Atomic *)&(atomic->counter), count);
104 }
105
osal_atomic_dec_and_test(osal_atomic * atomic)106 int osal_atomic_dec_and_test(osal_atomic *atomic)
107 {
108 return (LOS_AtomicDecRet((Atomic *)&(atomic->counter)) == 0);
109 }