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      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 
     30 typedef uid_t userid_t;
     31 typedef uid_t appid_t;
     32 
     33 extern userid_t multiuser_get_user_id(uid_t uid);
     34 extern appid_t multiuser_get_app_id(uid_t uid);
     35 extern uid_t multiuser_get_uid(userid_t userId, appid_t appId);
     36 
     37 #ifdef __cplusplus
     38 }
     39 #endif
     40 
     41 #endif /* __CUTILS_MULTIUSER_H */
     42