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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 "hgm_task_handle_thread.h"
17 
18 #include <unistd.h>
19 
20 #include "ffrt_inner.h"
21 #include "hgm_log.h"
22 #include "xcollie/watchdog.h"
23 
24 namespace OHOS::Rosen {
25 namespace {
26 constexpr uint32_t WATCHDOG_TIMEVAL = 30000;
27 constexpr uint32_t WATCHDOG_DELAY_TIME = 600000;
28 constexpr uint64_t MILLISECONDS_TO_MICROSECONDS = 1000;
29 constexpr uint64_t MAX_ALLOWED_DELAY = UINT64_MAX / 1000;
30 
ConvertMillisecondsToMicroseconds(int64_t delayTime)31 uint64_t ConvertMillisecondsToMicroseconds(int64_t delayTime)
32 {
33     return (delayTime < 0) ? 0 :
34         std::min(static_cast<uint64_t>(delayTime), MAX_ALLOWED_DELAY) * MILLISECONDS_TO_MICROSECONDS;
35 }
36 }
37 
Instance()38 HgmTaskHandleThread& HgmTaskHandleThread::Instance()
39 {
40     static HgmTaskHandleThread instance;
41     return instance;
42 }
43 
HgmTaskHandleThread()44 HgmTaskHandleThread::HgmTaskHandleThread()
45 {
46     queue_ = std::make_shared<ffrt::queue>(
47         static_cast<ffrt::queue_type>(ffrt_inner_queue_type_t::ffrt_queue_eventhandler_adapter), "HgmTaskHandleThread",
48         ffrt::queue_attr().qos(ffrt::qos_user_interactive));
49     PostTask([]() { HiviewDFX::Watchdog::GetInstance().InitFfrtWatchdog(); }, WATCHDOG_DELAY_TIME);
50 }
51 
PostTask(const std::function<void ()> & task,int64_t delayTime)52 void HgmTaskHandleThread::PostTask(const std::function<void()>& task, int64_t delayTime)
53 {
54     if (queue_) {
55         auto microDelayTime = ConvertMillisecondsToMicroseconds(delayTime);
56         queue_->submit(
57             std::move(task), ffrt::task_attr()
58                                  .delay(microDelayTime)
59                                  .priority(static_cast<ffrt_queue_priority_t>(ffrt_inner_queue_priority_immediate)));
60     }
61 }
62 
PostSyncTask(const std::function<void ()> & task)63 bool HgmTaskHandleThread::PostSyncTask(const std::function<void()>& task)
64 {
65     if (queue_) {
66         auto handle = queue_->submit_h(std::move(task),
67             ffrt::task_attr().priority(static_cast<ffrt_queue_priority_t>(ffrt_inner_queue_priority_vip)));
68         queue_->wait(handle);
69         return true;
70     }
71     return false;
72 }
73 
PostEvent(std::string eventId,const std::function<void ()> & task,int64_t delayTime)74 void HgmTaskHandleThread::PostEvent(std::string eventId, const std::function<void()>& task, int64_t delayTime)
75 {
76     if (queue_) {
77         auto microDelayTime = ConvertMillisecondsToMicroseconds(delayTime);
78         queue_->submit(std::move(task), ffrt::task_attr().name(eventId.c_str()).delay(microDelayTime));
79     }
80 }
81 
RemoveEvent(std::string eventId)82 void HgmTaskHandleThread::RemoveEvent(std::string eventId)
83 {
84     if (queue_) {
85         ffrt_queue_t* queue = reinterpret_cast<ffrt_queue_t*>(queue_.get());
86         ffrt_queue_cancel_by_name(*queue, eventId.c_str());
87     }
88 }
89 
DetectMultiThreadingCalls()90 void HgmTaskHandleThread::DetectMultiThreadingCalls()
91 {
92     if (auto newTid = gettid(); curThreadId_ != newTid) {
93         // -1 means default curThreadId
94         if (curThreadId_ != -1) {
95             HGM_LOGD("Concurrent access tid1: %{public}d tid2: %{public}d", curThreadId_, newTid);
96         }
97         curThreadId_ = newTid;
98     }
99 }
100 }
101