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| 1 | /* struct ipc_perm definition. |
|---|---|
| 2 | Copyright (C) 2019-2024 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #ifndef _SYS_IPC_H |
| 20 | # error "Never use <bits/ipc-perm.h> directly; include <sys/ipc.h> instead." |
| 21 | #endif |
| 22 | |
| 23 | /* Data structure used to pass permission information to IPC operations. */ |
| 24 | struct ipc_perm |
| 25 | { |
| 26 | __key_t __key; /* Key. */ |
| 27 | __uid_t uid; /* Owner's user ID. */ |
| 28 | __gid_t gid; /* Owner's group ID. */ |
| 29 | __uid_t cuid; /* Creator's user ID. */ |
| 30 | __gid_t cgid; /* Creator's group ID. */ |
| 31 | __mode_t mode; /* Read/write permission. */ |
| 32 | unsigned short int __pad2; |
| 33 | unsigned short int __seq; /* Sequence number. */ |
| 34 | unsigned int __pad3; |
| 35 | __extension__ unsigned long long int __glibc_reserved1; |
| 36 | __extension__ unsigned long long int __glibc_reserved2; |
| 37 | }; |
| 38 |
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