1 /**
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <IImsMediaThread.h>
18 #include <ImsMediaTrace.h>
19 #include <thread>
20 #include <mediautils/SchedulingPolicyService.h>
21
22 #define MAX_THREAD_NAME_LEN 16
23
24 extern void setAudioThreadPriority(int threadId);
25
IImsMediaThread()26 IImsMediaThread::IImsMediaThread()
27 {
28 mThreadStopped = true;
29 }
30
~IImsMediaThread()31 IImsMediaThread::~IImsMediaThread() {}
32
runThread(void * arg)33 void* runThread(void* arg)
34 {
35 if (arg == nullptr)
36 {
37 IMLOGE0("[runThread] invalid argument");
38 return nullptr;
39 }
40
41 IImsMediaThread* thread = reinterpret_cast<IImsMediaThread*>(arg);
42 return thread->run();
43 }
44
StartThread(const char * name)45 bool IImsMediaThread::StartThread(const char* name)
46 {
47 IMLOGD1("[StartThread] name:%s", name);
48 std::lock_guard<std::mutex> guard(mThreadMutex);
49 mThreadStopped = false;
50
51 std::thread t1(&runThread, this);
52 if (name)
53 {
54 if (strlen(name) >= MAX_THREAD_NAME_LEN)
55 {
56 char shortname[MAX_THREAD_NAME_LEN];
57 strncpy(shortname, name, MAX_THREAD_NAME_LEN - 1);
58 pthread_setname_np(t1.native_handle(), shortname);
59 }
60 else
61 {
62 pthread_setname_np(t1.native_handle(), name);
63 }
64 }
65 t1.detach();
66 return true;
67 }
68
SetThreadPriority(pid_t pid,pid_t tid,int priority)69 void IImsMediaThread::SetThreadPriority(pid_t pid, pid_t tid, int priority)
70 {
71 const int err =
72 android::requestPriority(pid, tid, priority, false /*isForApp*/, true /*asynchronous*/);
73 IMLOGD3("[SetThreadPriority] tid:%u, returned:%d. Err: %s", tid, err, strerror(errno));
74 }
75
StopThread()76 void IImsMediaThread::StopThread()
77 {
78 std::lock_guard<std::mutex> guard(mThreadMutex);
79 mThreadStopped = true;
80 }
81
IsThreadStopped()82 bool IImsMediaThread::IsThreadStopped()
83 {
84 std::lock_guard<std::mutex> guard(mThreadMutex);
85 return mThreadStopped;
86 }
87