1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
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 */
15
16#ifndef SOFTBUS_ADAPTER_ATOMIC_H
17#define SOFTBUS_ADAPTER_ATOMIC_H
18
19#include "stdbool.h"
20#include "stdint.h"
21#include "stdio.h"
22
23#ifdef _WIN32
24#include "intrin.h"
25#endif
26
27static inline void SoftBusAtomicAdd32(volatile uint32_t* ptr, int32_t value)
28{
29#ifdef _WIN32
30    _InterlockedExchangeAdd(ptr, value);
31#elif defined __ICCARM__
32    return;
33#elif defined __linux__ || defined __LITEOS__ || defined __APPLE__
34    __sync_fetch_and_add(ptr, value);
35#endif
36}
37
38static inline uint32_t SoftBusAtomicAddAndFetch32(volatile uint32_t* ptr, int32_t value)
39{
40#ifdef _WIN32
41    return _InterlockedExchangeAdd(ptr, value) + value;
42#elif defined __ICCARM__
43    return -1;
44#elif defined __linux__ || defined __LITEOS__ || defined __APPLE__
45    return __sync_add_and_fetch(ptr, value);
46#else
47    return -1;
48#endif
49}
50
51static inline void SoftBusAtomicAdd64(uint64_t* ptr, int64_t value)
52{
53#ifdef _WIN32
54    _InterlockedExchangeAdd64((volatile long long*)ptr, value);
55#elif defined __ICCARM__
56    return;
57#elif defined __linux__ || defined __LITEOS__ || defined __APPLE__
58    __sync_fetch_and_add(ptr, value);
59#endif
60}
61
62static inline bool SoftBusAtomicCmpAndSwap32(volatile uint32_t* ptr, int32_t oldValue, int32_t newValue)
63{
64#ifdef _WIN32
65    uint32_t initial = _InterlockedCompareExchange(ptr, newValue, oldValue);
66    return initial == oldValue;
67#elif defined __ICCARM__
68    return false;
69#elif defined __linux__ || defined __LITEOS__ || defined __APPLE__
70    return __sync_bool_compare_and_swap(ptr, oldValue, newValue);
71#else
72    return false;
73#endif
74}
75#endif // SOFTBUS_ADAPTER_ATOMIC_H
76