1 /*
2  * Copyright (C) 2012 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 #ifndef __CUTILS_MULTIUSER_H
18 #define __CUTILS_MULTIUSER_H
19 
20 #include <sys/types.h>
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
26 // NOTE: keep in sync with android.os.UserId
27 
28 #define MULTIUSER_APP_PER_USER_RANGE 100000
29 #define MULTIUSER_FIRST_SHARED_APPLICATION_GID 50000
30 #define MULTIUSER_FIRST_APPLICATION_UID 10000
31 
32 typedef uid_t userid_t;
33 typedef uid_t appid_t;
34 
35 extern userid_t multiuser_get_user_id(uid_t uid);
36 extern appid_t multiuser_get_app_id(uid_t uid);
37 extern uid_t multiuser_get_uid(userid_t userId, appid_t appId);
38 extern appid_t multiuser_get_shared_app_gid(uid_t uid);
39 
40 #ifdef __cplusplus
41 }
42 #endif
43 
44 #endif /* __CUTILS_MULTIUSER_H */
45