36 lines
1009 B
C
36 lines
1009 B
C
#ifndef _LINUX_MSG_H
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#define _LINUX_MSG_H
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#include <linux/list.h>
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#include <linux/time64.h>
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#include <uapi/linux/msg.h>
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/* one msg_msg structure for each message */
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struct msg_msg {
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struct list_head m_list;
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long m_type;
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size_t m_ts; /* message text size */
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struct msg_msgseg *next;
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void *security;
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/* the actual message follows immediately */
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};
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/* one msq_queue structure for each present queue on the system */
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struct msg_queue {
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struct kern_ipc_perm q_perm;
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time64_t q_stime; /* last msgsnd time */
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time64_t q_rtime; /* last msgrcv time */
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time64_t q_ctime; /* last change time */
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unsigned long q_cbytes; /* current number of bytes on queue */
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unsigned long q_qnum; /* number of messages in queue */
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unsigned long q_qbytes; /* max number of bytes on queue */
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pid_t q_lspid; /* pid of last msgsnd */
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pid_t q_lrpid; /* last receive pid */
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struct list_head q_messages;
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struct list_head q_receivers;
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struct list_head q_senders;
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} __randomize_layout;
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#endif /* _LINUX_MSG_H */
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