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Commit 807f23af authored by Calin Juravle's avatar Calin Juravle
Browse files

Create profiles folders 

Current profiles (the ones which have not been used for
compilation) are stored in /data/misc/profiles/cur/0/pkgname/.

Reference profiles (the merged of all user profiles, used for
compilation) are stored in /data/misc/profiles/ref/pkgname/.

Add a method to get the shared app gid from an uid or appid.

Bug: 26719109
Bug: 26563023
Change-Id: I89601d7dbeb3041df882c141a9127dac200a645e
parent dab56737

include/cutils/multiuser.h

+3 −0
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ extern "C" { 
// NOTE: keep in sync with android.os.UserId



#define MULTIUSER_APP_PER_USER_RANGE 100000

#define MULTIUSER_FIRST_SHARED_APPLICATION_GID 50000

#define MULTIUSER_FIRST_APPLICATION_UID 10000



typedef uid_t userid_t;

typedef uid_t appid_t;
@@ -33,6 +35,7 @@ typedef uid_t appid_t; 
extern userid_t multiuser_get_user_id(uid_t uid);

extern appid_t multiuser_get_app_id(uid_t uid);

extern uid_t multiuser_get_uid(userid_t userId, appid_t appId);

extern appid_t multiuser_get_shared_app_gid(uid_t uid);



#ifdef __cplusplus

}

libcutils/multiuser.c

+6 −0
Original line number Diff line number Diff line
@@ -27,3 +27,9 @@ appid_t multiuser_get_app_id(uid_t uid) { 
uid_t multiuser_get_uid(userid_t userId, appid_t appId) {

    return userId * MULTIUSER_APP_PER_USER_RANGE + (appId % MULTIUSER_APP_PER_USER_RANGE);

}



appid_t multiuser_get_shared_app_gid(uid_t id) {

  return MULTIUSER_FIRST_SHARED_APPLICATION_GID + (id % MULTIUSER_APP_PER_USER_RANGE)

          - MULTIUSER_FIRST_APPLICATION_UID;



}

rootdir/init.rc

+4 −0
Original line number Diff line number Diff line
@@ -363,6 +363,10 @@ on post-fs-data 
    mkdir /data/misc/boottrace 0771 system shell

    mkdir /data/misc/update_engine 0700 root root

    mkdir /data/misc/trace 0700 root root

    # profile file layout

    mkdir /data/misc/profiles 0771 system system

    mkdir /data/misc/profiles/cur 0771 system system

    mkdir /data/misc/profiles/ref 0771 system system



    # For security reasons, /data/local/tmp should always be empty.

    # Do not place files or directories in /data/local/tmp