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author | Eric W. Biederman <ebiederm@xmission.com> | 2018-03-22 21:37:34 -0500 |
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committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-03-24 11:25:35 -0500 |
commit | 34b56df922b10ac2876f268c522951785bf333fd (patch) | |
tree | be3e5fe875e7f1e6a6889c4b32bf4958e064793f /ipc/msg.c | |
parent | a2e102cd3cdd8b7a14e08716510707b15802073f (diff) | |
download | linux-34b56df922b10ac2876f268c522951785bf333fd.tar.bz2 |
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>
Diffstat (limited to 'ipc/msg.c')
-rw-r--r-- | ipc/msg.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index cdfab0825fce..af5a963306c4 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; |