msg: Move struct msg_queue into ipc/msg.c
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>
diff --git a/ipc/msg.c b/ipc/msg.c
index cdfab08..af5a963 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -43,6 +43,23 @@
#include <linux/uaccess.h>
#include "util.h"
+/* 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;
+
/* one msg_receiver structure for each sleeping receiver */
struct msg_receiver {
struct list_head r_list;