| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_IPC_H |
| 3 | #define _LINUX_IPC_H |
| 4 | |
| 5 | #include <linux/spinlock.h> |
| 6 | #include <linux/uidgid.h> |
| 7 | #include <linux/rhashtable-types.h> |
| 8 | #include <uapi/linux/ipc.h> |
| 9 | #include <linux/refcount.h> |
| 10 | |
| 11 | /* used by in-kernel data structures */ |
| 12 | struct kern_ipc_perm { |
| 13 | spinlock_t lock; |
| 14 | bool deleted; |
| 15 | int id; |
| 16 | key_t key; |
| 17 | kuid_t uid; |
| 18 | kgid_t gid; |
| 19 | kuid_t cuid; |
| 20 | kgid_t cgid; |
| 21 | umode_t mode; |
| 22 | unsigned long seq; |
| 23 | void *security; |
| 24 | |
| 25 | struct rhash_head khtnode; |
| 26 | |
| 27 | struct rcu_head rcu; |
| 28 | refcount_t refcount; |
| 29 | } ____cacheline_aligned_in_smp __randomize_layout; |
| 30 | |
| 31 | #endif /* _LINUX_IPC_H */ |