LSM: move the struct msg_msg and struct msg_queue definitions out of the msg.c file to the msg.h file

Also move where the msg->q_perm.mode and .key values get set to before 
ipc_addid() gets called to make placing a hook there easier.

1 files changed, 29 insertions, 0 deletions

diff --git a/include/linux/msg.h b/include/linux/msg.h
index 4dfca8d4952c..4b64aebf312e 100644
--- a/include/linux/msg.h
+++ b/include/linux/msg.h
@@ -63,6 +63,35 @@ struct msginfo {
 
 #ifdef __KERNEL__
 
+/* one msg_msg structure for each message */
+struct msg_msg {
+	struct list_head m_list; 
+	long  m_type;          
+	int m_ts;           /* message text size */
+	struct msg_msgseg* next;
+	/* the actual message follows immediately */
+};
+
+#define DATALEN_MSG	(PAGE_SIZE-sizeof(struct msg_msg))
+#define DATALEN_SEG	(PAGE_SIZE-sizeof(struct msg_msgseg))
+
+/* one msq_queue structure for each present queue on the system */
+struct msg_queue {
+	struct kern_ipc_perm q_perm;
+	time_t q_stime;			/* last msgsnd time */
+	time_t q_rtime;			/* last msgrcv time */
+	time_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;
+};
+
 asmlinkage long sys_msgget (key_t key, int msgflg);
 asmlinkage long sys_msgsnd (int msqid, struct msgbuf *msgp, size_t msgsz, int msgflg);
 asmlinkage long sys_msgrcv (int msqid, struct msgbuf *msgp, size_t msgsz, long msgtyp, int msgflg);