From 34b56df922b10ac2876f268c522951785bf333fd Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 22 Mar 2018 21:37:34 -0500 Subject: 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" --- ipc/msg.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'ipc') 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 #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; -- cgit v1.1