1 /*
2 * Copyright (c) 2023 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 #include "running_lock_counter.h"
17 #include "hdf_base.h"
18 #include "system_operation.h"
19 #include "power_hdf_log.h"
20
21 namespace OHOS {
22 namespace HDI {
23 namespace Power {
24 namespace V1_2 {
Increase(const RunningLockInfo & info)25 int32_t RunningLockCounter::Increase(const RunningLockInfo &info)
26 {
27 auto iterator = runninglockInfos_.find(info.name);
28 if (iterator != runninglockInfos_.end()) {
29 if (info.timeoutMs < 0) {
30 // Lock counter increase failed, runninglock is exist and timeout < 0
31 HDF_LOGW("LCIF,N=%{public}s exist", info.name.c_str());
32 return HDF_FAILURE;
33 }
34 iterator->second.timeoutMs = info.timeoutMs;
35 return HDF_SUCCESS;
36 }
37 ++counter_;
38 if (counter_ == 1) {
39 SystemOperation::WriteWakeLock(tag_);
40 }
41 runninglockInfos_.emplace(info.name, info);
42 return HDF_SUCCESS;
43 }
44
Decrease(const RunningLockInfo & info)45 int32_t RunningLockCounter::Decrease(const RunningLockInfo &info)
46 {
47 auto iterator = runninglockInfos_.find(info.name);
48 if (iterator == runninglockInfos_.end()) {
49 // Runninglock is not exist, no need to decrease lock counter
50 HDF_LOGW("RL N=%{public}s no exist", info.name.c_str());
51 return HDF_ERR_NOT_SUPPORT;
52 }
53 --counter_;
54 if (counter_ == 0) {
55 SystemOperation::WriteWakeUnlock(tag_);
56 }
57 runninglockInfos_.erase(info.name);
58 return HDF_SUCCESS;
59 }
60
Clean()61 void RunningLockCounter::Clean()
62 {
63 runninglockInfos_.clear();
64 }
65
66 } // namespace V1_2
67 } // namespace Power
68 } // namespace HDI
69 } // namespace OHOS
70