Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_IPC_H
2#define _LINUX_IPC_H
3
4#include <linux/spinlock.h>
5#include <linux/uidgid.h>
6#include <linux/rhashtable.h>
7#include <uapi/linux/ipc.h>
8#include <linux/refcount.h>
9
10#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
11
12/* used by in-kernel data structures */
13struct kern_ipc_perm {
14 spinlock_t lock;
15 bool deleted;
16 int id;
17 key_t key;
18 kuid_t uid;
19 kgid_t gid;
20 kuid_t cuid;
21 kgid_t cgid;
22 umode_t mode;
23 unsigned long seq;
24 void *security;
25
26 struct rhash_head khtnode;
27
28 struct rcu_head rcu;
29 refcount_t refcount;
30} ____cacheline_aligned_in_smp __randomize_layout;
31
32#endif /* _LINUX_IPC_H */