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Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _LINUX_IPC_H |
2 | #define _LINUX_IPC_H | |
3 | ||
0a3021f4 | 4 | #include <linux/spinlock.h> |
1efdb69b | 5 | #include <linux/uidgid.h> |
607ca46e | 6 | #include <uapi/linux/ipc.h> |
b119f13f | 7 | |
1da177e4 LT |
8 | #define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */ |
9 | ||
10 | /* used by in-kernel data structures */ | |
60f3e00d | 11 | struct kern_ipc_perm { |
1da177e4 | 12 | spinlock_t lock; |
72a8ff2f | 13 | bool deleted; |
7ca7e564 | 14 | int id; |
1da177e4 | 15 | key_t key; |
1efdb69b EB |
16 | kuid_t uid; |
17 | kgid_t gid; | |
18 | kuid_t cuid; | |
19 | kgid_t cgid; | |
60f3e00d | 20 | umode_t mode; |
1da177e4 LT |
21 | unsigned long seq; |
22 | void *security; | |
dba4cdd3 MS |
23 | |
24 | struct rcu_head rcu; | |
25 | atomic_t refcount; | |
3859a271 | 26 | } ____cacheline_aligned_in_smp __randomize_layout; |
1da177e4 | 27 | |
1da177e4 | 28 | #endif /* _LINUX_IPC_H */ |