1 /*
2  * Copyright (C) 2018 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 "CameraThreadState.h"
18 #include <binder/IPCThreadState.h>
19 #include <hwbinder/IPCThreadState.h>
20 #include <unistd.h>
21 
22 namespace android {
23 
getCallingUid()24 int CameraThreadState::getCallingUid() {
25     if (hardware::IPCThreadState::self()->isServingCall()) {
26         return hardware::IPCThreadState::self()->getCallingUid();
27     }
28     return IPCThreadState::self()->getCallingUid();
29 }
30 
getCallingPid()31 int CameraThreadState::getCallingPid() {
32     if (hardware::IPCThreadState::self()->isServingCall()) {
33         return hardware::IPCThreadState::self()->getCallingPid();
34     }
35     return IPCThreadState::self()->getCallingPid();
36 }
37 
clearCallingIdentity()38 int64_t CameraThreadState::clearCallingIdentity() {
39     if (hardware::IPCThreadState::self()->isServingCall()) {
40         return hardware::IPCThreadState::self()->clearCallingIdentity();
41     }
42     return IPCThreadState::self()->clearCallingIdentity();
43 }
44 
restoreCallingIdentity(int64_t token)45 void CameraThreadState::restoreCallingIdentity(int64_t token) {
46     if (hardware::IPCThreadState::self()->isServingCall()) {
47         hardware::IPCThreadState::self()->restoreCallingIdentity(token);
48     } else {
49         IPCThreadState::self()->restoreCallingIdentity(token);
50     }
51     return;
52 }
53 
54 } // android
55