| 1 | /* Old SysV permission definition for Linux. Default version. |
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| 2 | Copyright (C) 1995-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <sys/ipc.h> /* For __key_t */ |
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| 20 | #include <kernel-features.h> |
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| 21 | |
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| 22 | #ifdef __ASSUME_SYSVIPC_DEFAULT_IPC_64 |
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| 23 | # define __IPC_64 0x0 |
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| 24 | #else |
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| 25 | # define __IPC_64 0x100 |
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| 26 | #endif |
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| 27 | |
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| 28 | #ifndef __OLD_IPC_ID_TYPE |
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| 29 | # define __OLD_IPC_ID_TYPE unsigned short int |
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| 30 | #endif |
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| 31 | #ifndef __OLD_IPC_MODE_TYPE |
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| 32 | # define __OLD_IPC_MODE_TYPE unsigned short int |
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| 33 | #endif |
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| 34 | |
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| 35 | struct __old_ipc_perm |
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| 36 | { |
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| 37 | __key_t __key; /* Key. */ |
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| 38 | __OLD_IPC_ID_TYPE uid; /* Owner's user ID. */ |
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| 39 | __OLD_IPC_ID_TYPE gid; /* Owner's group ID. */ |
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| 40 | __OLD_IPC_ID_TYPE cuid; /* Creator's user ID. */ |
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| 41 | __OLD_IPC_ID_TYPE cgid; /* Creator's group ID. */ |
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| 42 | __OLD_IPC_MODE_TYPE mode; /* Read/write permission. */ |
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| 43 | unsigned short int __seq; /* Sequence number. */ |
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| 44 | }; |
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| 45 | |
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| 46 | #define SEMCTL_ARG_ADDRESS(__arg) &__arg.array |
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| 47 | |
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| 48 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ |
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| 49 | ((long int []){ (long int) __msgp, __msgtyp }) |
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| 50 | |
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| 51 | /* This macro is required to handle the s390 variants, which passes the |
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| 52 | arguments in a different order than default. */ |
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| 53 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ |
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| 54 | (__nsops), 0, (__sops), (__timeout) |
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| 55 | |
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| 56 | /* Linux SysV ipc does not provide new syscalls for 64-bit time support on |
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| 57 | 32-bit architectures, but rather split the timestamp into high and low; |
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| 58 | storing the high value in previously unused fields. */ |
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| 59 | #if (__WORDSIZE == 32 \ |
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| 60 | && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) |
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| 61 | # define __IPC_TIME64 1 |
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| 62 | #else |
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| 63 | # define __IPC_TIME64 0 |
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| 64 | #endif |
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| 65 | |
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| 66 | #if __IPC_TIME64 || defined __ASSUME_SYSVIPC_BROKEN_MODE_T |
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| 67 | # define IPC_CTL_NEED_TRANSLATION 1 |
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| 68 | #else |
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| 69 | # define IPC_CTL_NEED_TRANSLATION 0 |
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| 70 | #endif |
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| 71 | |
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| 72 | #include <ipc_ops.h> |
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| 73 | |
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