/* Generic implementation of the shared memory struct shmid_ds. Copyright (C) 2020-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _SYS_SHM_H # error "Never include <bits/types/struct_shmid_ds.h> directly; use <sys/shm.h> instead." #endif /* Data structure describing a shared memory segment. */ struct shmid_ds { #ifdef __USE_TIME_BITS64 # include <bits/types/struct_shmid64_ds_helper.h> #else struct ipc_perm shm_perm; /* operation permission struct */ size_t shm_segsz; /* size of segment in bytes */ # if __TIMESIZE == 32 __time_t shm_atime; /* time of last shmat() */ unsigned long int __shm_atime_high; __time_t shm_dtime; /* time of last shmdt() */ unsigned long int __shm_dtime_high; __time_t shm_ctime; /* time of last change by shmctl() */ unsigned long int __shm_ctime_high; # else __time_t shm_atime; /* time of last shmat() */ __time_t shm_dtime; /* time of last shmdt() */ __time_t shm_ctime; /* time of last change by shmctl() */ # endif __pid_t shm_cpid; /* pid of creator */ __pid_t shm_lpid; /* pid of last shmop */ shmatt_t shm_nattch; /* number of current attaches */ __syscall_ulong_t __glibc_reserved5; __syscall_ulong_t __glibc_reserved6; #endif }; SIMPAN PERUBAHAN