tracing/function-return-tracer: store return stack into task_struct and allocate...
[linux-2.6] / include / linux / cred.h
1 /* Credentials management
2  *
3  * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells (dhowells@redhat.com)
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public Licence
8  * as published by the Free Software Foundation; either version
9  * 2 of the Licence, or (at your option) any later version.
10  */
11
12 #ifndef _LINUX_CRED_H
13 #define _LINUX_CRED_H
14
15 #define get_current_user()      (get_uid(current->user))
16
17 #define task_uid(task)          ((task)->uid)
18 #define task_gid(task)          ((task)->gid)
19 #define task_euid(task)         ((task)->euid)
20 #define task_egid(task)         ((task)->egid)
21
22 #define current_uid()           (current->uid)
23 #define current_gid()           (current->gid)
24 #define current_euid()          (current->euid)
25 #define current_egid()          (current->egid)
26 #define current_suid()          (current->suid)
27 #define current_sgid()          (current->sgid)
28 #define current_fsuid()         (current->fsuid)
29 #define current_fsgid()         (current->fsgid)
30 #define current_cap()           (current->cap_effective)
31
32 #define current_uid_gid(_uid, _gid)             \
33 do {                                            \
34         *(_uid) = current->uid;                 \
35         *(_gid) = current->gid;                 \
36 } while(0)
37
38 #define current_euid_egid(_uid, _gid)           \
39 do {                                            \
40         *(_uid) = current->euid;                \
41         *(_gid) = current->egid;                \
42 } while(0)
43
44 #define current_fsuid_fsgid(_uid, _gid)         \
45 do {                                            \
46         *(_uid) = current->fsuid;               \
47         *(_gid) = current->fsgid;               \
48 } while(0)
49
50 #endif /* _LINUX_CRED_H */