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| 1 | /* Generic implementation of the semaphore struct semid_ds. |
|---|---|
| 2 | Copyright (C) 1995-2024 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 | <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_TIME64_REDIRECTS |
| 27 | # include <bits/types/struct_semid64_ds_helper.h> |
| 28 | #else |
| 29 | struct ipc_perm sem_perm; /* operation permission struct */ |
| 30 | # if __TIMESIZE == 32 |
| 31 | __time_t sem_otime; /* last semop() time */ |
| 32 | __syscall_ulong_t __sem_otime_high; |
| 33 | __time_t sem_ctime; /* last time changed by semctl() */ |
| 34 | __syscall_ulong_t __sem_ctime_high; |
| 35 | # else |
| 36 | __time_t sem_otime; |
| 37 | __time_t sem_ctime; |
| 38 | # endif |
| 39 | __syscall_ulong_t sem_nsems; /* number of semaphores in set */ |
| 40 | __syscall_ulong_t __glibc_reserved3; |
| 41 | __syscall_ulong_t __glibc_reserved4; |
| 42 | #endif |
| 43 | }; |
| 44 |
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