1 /* x86 implementation of the semaphore struct semid_ds. 2 Copyright (C) 1995-2021 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 _SYS_SEM_H 20 # error "Never include <bits/types/struct_semid_ds.h> directly; use <sys/sem.h> instead." 21 #endif 22 23 /* Data structure describing a set of semaphores. */ 24 struct semid_ds 25 { 26 #ifdef __USE_TIME_BITS64 27 # include <bits/types/struct_semid64_ds_helper.h> 28 #else 29 struct ipc_perm sem_perm; /* operation permission struct */ 30 __time_t sem_otime; /* last semop() time */ 31 __syscall_ulong_t __sem_otime_high; 32 __time_t sem_ctime; /* last time changed by semctl() */ 33 __syscall_ulong_t __sem_ctime_high; 34 __syscall_ulong_t sem_nsems; /* number of semaphores in set */ 35 __syscall_ulong_t __glibc_reserved3; 36 __syscall_ulong_t __glibc_reserved4; 37 #endif 38 };