[linux-2.6-block.git] / include / linux / msg.h

#ifndef _LINUX_MSG_H
#define _LINUX_MSG_H

#include <linux/list.h>
#include <linux/time64.h>
#include <uapi/linux/msg.h>

/* one msg_msg structure for each message */
struct msg_msg {
	struct list_head m_list;
	long m_type;
	size_t m_ts;		/* message text size */
	struct msg_msgseg *next;
	void *security;
	/* the actual message follows immediately */
};

/* one msq_queue structure for each present queue on the system */
struct msg_queue {
	struct kern_ipc_perm q_perm;
	time64_t q_stime;		/* last msgsnd time */
	time64_t q_rtime;		/* last msgrcv time */
	time64_t q_ctime;		/* last change time */
	unsigned long q_cbytes;		/* current number of bytes on queue */
	unsigned long q_qnum;		/* number of messages in queue */
	unsigned long q_qbytes;		/* max number of bytes on queue */
	pid_t q_lspid;			/* pid of last msgsnd */
	pid_t q_lrpid;			/* last receive pid */

	struct list_head q_messages;
	struct list_head q_receivers;
	struct list_head q_senders;
} __randomize_layout;

#endif /* _LINUX_MSG_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_MSG_H
	2	#define _LINUX_MSG_H
	3
77597ad6	4	#include <linux/list.h>
50578ea9	5	#include <linux/time64.h>
607ca46e	6	#include <uapi/linux/msg.h>
1da177e4 LT	7
	8	/* one msg_msg structure for each message */
	9	struct msg_msg {
4e9b45a1 MK	10	struct list_head m_list;
	11	long m_type;
	12	size_t m_ts; /* message text size */
239521f3	13	struct msg_msgseg *next;
1da177e4 LT	14	void *security;
	15	/* the actual message follows immediately */
	16	};
	17
	18	/* one msq_queue structure for each present queue on the system */
	19	struct msg_queue {
	20	struct kern_ipc_perm q_perm;
50578ea9 DD	21	time64_t q_stime; /* last msgsnd time */
	22	time64_t q_rtime; /* last msgrcv time */
	23	time64_t q_ctime; /* last change time */
1da177e4 LT	24	unsigned long q_cbytes; /* current number of bytes on queue */
	25	unsigned long q_qnum; /* number of messages in queue */
	26	unsigned long q_qbytes; /* max number of bytes on queue */
	27	pid_t q_lspid; /* pid of last msgsnd */
	28	pid_t q_lrpid; /* last receive pid */
	29
	30	struct list_head q_messages;
	31	struct list_head q_receivers;
	32	struct list_head q_senders;
3859a271	33	} __randomize_layout;
1da177e4	34
1da177e4	35	#endif /* _LINUX_MSG_H */