1 /* Old SysV permission definition for Linux. Default version. 2 Copyright (C) 1995-2022 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 #include <sys/ipc.h> /* For __key_t */ 20 #include <kernel-features.h> 21 22 #ifdef __ASSUME_SYSVIPC_DEFAULT_IPC_64 23 # define __IPC_64 0x0 24 #else 25 # define __IPC_64 0x100 26 #endif 27 28 #ifndef __OLD_IPC_ID_TYPE 29 # define __OLD_IPC_ID_TYPE unsigned short int 30 #endif 31 #ifndef __OLD_IPC_MODE_TYPE 32 # define __OLD_IPC_MODE_TYPE unsigned short int 33 #endif 34 35 struct __old_ipc_perm 36 { 37 __key_t __key; /* Key. */ 38 __OLD_IPC_ID_TYPE uid; /* Owner's user ID. */ 39 __OLD_IPC_ID_TYPE gid; /* Owner's group ID. */ 40 __OLD_IPC_ID_TYPE cuid; /* Creator's user ID. */ 41 __OLD_IPC_ID_TYPE cgid; /* Creator's group ID. */ 42 __OLD_IPC_MODE_TYPE mode; /* Read/write permission. */ 43 unsigned short int __seq; /* Sequence number. */ 44 }; 45 46 #define SEMCTL_ARG_ADDRESS(__arg) &__arg.array 47 48 #define MSGRCV_ARGS(__msgp, __msgtyp) \ 49 ((long int []){ (long int) __msgp, __msgtyp }) 50 51 /* This macro is required to handle the s390 variants, which passes the 52 arguments in a different order than default. */ 53 #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ 54 (__nsops), 0, (__sops), (__timeout) 55 56 /* Linux SysV ipc does not provide new syscalls for 64-bit time support on 57 32-bit architectures, but rather split the timestamp into high and low; 58 storing the high value in previously unused fields. */ 59 #if (__WORDSIZE == 32 \ 60 && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) 61 # define __IPC_TIME64 1 62 #else 63 # define __IPC_TIME64 0 64 #endif 65 66 #include <ipc_ops.h> 67