diff options
Diffstat (limited to 'include/linux/msg.h')
| -rw-r--r-- | include/linux/msg.h | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/include/linux/msg.h b/include/linux/msg.h index 391af8d11cce..9a972a296b95 100644 --- a/include/linux/msg.h +++ b/include/linux/msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_MSG_H #define _LINUX_MSG_H @@ -6,37 +7,12 @@ /* 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; + struct list_head m_list; + long m_type; + size_t m_ts; /* message text size */ + struct msg_msgseg *next; void *security; /* the actual message follows immediately */ }; -/* 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; -}; - -/* Helper routines for sys_msgsnd and sys_msgrcv */ -extern long do_msgsnd(int msqid, long mtype, void __user *mtext, - size_t msgsz, int msgflg); -extern long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, - int msgflg, - long (*msg_fill)(void __user *, struct msg_msg *, - size_t)); - #endif /* _LINUX_MSG_H */ |