2005-04-16 15:20:36 -07:00
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#ifndef _LINUX_IPC_H
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#define _LINUX_IPC_H
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2007-07-15 23:39:57 -07:00
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#include <linux/spinlock.h>
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2012-02-07 16:54:11 -08:00
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#include <linux/uidgid.h>
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2012-10-13 10:46:48 +01:00
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#include <uapi/linux/ipc.h>
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2006-10-04 02:15:19 -07:00
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2005-04-16 15:20:36 -07:00
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#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
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/* used by in-kernel data structures */
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2017-05-08 15:57:06 -07:00
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struct kern_ipc_perm {
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2005-04-16 15:20:36 -07:00
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spinlock_t lock;
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2014-01-27 17:07:02 -08:00
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bool deleted;
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2007-10-18 23:40:48 -07:00
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int id;
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2005-04-16 15:20:36 -07:00
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key_t key;
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2012-02-07 16:54:11 -08:00
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kuid_t uid;
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kgid_t gid;
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kuid_t cuid;
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kgid_t cgid;
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2017-05-08 15:57:06 -07:00
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umode_t mode;
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2005-04-16 15:20:36 -07:00
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unsigned long seq;
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void *security;
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2017-07-12 14:34:41 -07:00
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struct rcu_head rcu;
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atomic_t refcount;
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2017-05-08 15:57:06 -07:00
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} ____cacheline_aligned_in_smp;
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2005-04-16 15:20:36 -07:00
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#endif /* _LINUX_IPC_H */
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