1 /* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
20 #error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
23 #include <sys/types.h>
25 /* Define options for message queue functions. */
26 #define MSG_NOERROR 010000 /* no error if message is too big */
29 /* Structure of record for one message inside the kernel.
30 The type `struct __msg' is opaque. */
33 struct ipc_perm msg_perm
; /* structure describing operation permission */
34 __time_t msg_stime
; /* time of last msgsnd command */
35 __time_t msg_rtime
; /* time of last msgrcv command */
36 __time_t msg_ctime
; /* time of last change */
37 unsigned short int msg_qnum
; /* number of messages currently on queue */
38 unsigned short int msg_qbytes
;/* max number of bytes allowed on queue */
39 __pid_t msg_lspid
; /* pid of last msgsnd() */
40 __pid_t msg_lrpid
; /* pid of last msgrcv() */