diff options
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; |