1 /*
2  * Copyright (C) 2020 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 package android.app;
18 
19 import android.os.ParcelFileDescriptor;
20 
21 /**
22  * An interface that's to be used by {@link ApplicationExitInfo#getTraceFile()}
23  * to retrieve the actual file descriptor to its trace file.
24  *
25  * @hide
26  */
27 interface IAppTraceRetriever {
28     /**
29      * Retrieve the trace file with given packageName/uid/pid.
30      *
31      * @param packagename The target package name of the trace
32      * @param uid The target UID of the trace
33      * @param pid The target PID of the trace
34      * @return The file descriptor to the trace file, or null if it's not found.
35      */
getTraceFileDescriptor(in String packageName, int uid, int pid)36     ParcelFileDescriptor getTraceFileDescriptor(in String packageName,
37             int uid, int pid);
38 }
39