1 /* User and group IDs. 2 Copyright (C) 1993-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _HURD_ID_H 20 21 #define _HURD_ID_H 1 22 #include <features.h> 23 #include <hurd/hurd_types.h> 24 #include <errno.h> 25 #include <bits/types/error_t.h> 26 27 #include <lock-intern.h> /* For `struct mutex'. */ 28 29 /* Structure describing authorization data for the process. */ 30 31 struct hurd_id_data 32 { 33 struct mutex lock; 34 35 int valid; /* If following data are up to date. */ 36 37 struct 38 { 39 uid_t *uids; 40 gid_t *gids; 41 mach_msg_type_number_t nuids, ngids; 42 } gen, aux; 43 44 auth_t rid_auth; /* Cache used by access. */ 45 }; 46 47 /* Current data. */ 48 49 extern struct hurd_id_data _hurd_id; 50 51 52 /* Update _hurd_id (caller should be holding the lock). */ 53 54 extern error_t _hurd_check_ids (void); 55 56 57 #endif /* hurd/id.h */ 58