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msg: Move struct msg_queue into ipc/msg.c

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All of the users are now in ipc/msg.c so make the definition local to
that file to make code maintenance easier.  AKA to prevent rebuilding
the entire kernel when struct msg_queue changes.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2018-03-22 21:37:34 -05:00
parent a2e102cd3c
commit 34b56df922
2 changed files with 17 additions and 18 deletions
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18
include/linux/msg.h
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@@ -3,7 +3,6 @@
#define _LINUX_MSG_H
#include <linux/list.h>
#include <linux/time64.h>
#include <uapi/linux/msg.h>
/* one msg_msg structure for each message */
@@ -16,21 +15,4 @@ struct msg_msg {
/* 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 */