LXR linux/include/linux/ipc.h

   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 */
  12struct 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 */
  32