1 /* Copyright (C) 1995-1997, 2000, 2004, 2007 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 Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
19 # error "Never use <bits/msq.h> directly; include <sys/msg.h> instead."
22 #include <bits/types.h>
24 /* Define options for message queue functions. */
25 #define MSG_NOERROR 010000 /* no error if message is too big */
27 # define MSG_EXCEPT 020000 /* recv any msg except of specified type */
30 /* Types used in the structure definition. */
31 typedef unsigned long int msgqnum_t
;
32 typedef unsigned long int msglen_t
;
35 /* Structure of record for one message inside the kernel.
36 The type `struct msg' is opaque. */
39 struct ipc_perm msg_perm
; /* structure describing operation permission */
40 #if defined (__XTENSA_EB__)
41 unsigned long int __uclibc_unused1
;
42 __time_t msg_stime
; /* time of last msgsnd command */
43 unsigned long int __uclibc_unused2
;
44 __time_t msg_rtime
; /* time of last msgrcv command */
45 unsigned long int __uclibc_unused3
;
46 __time_t msg_ctime
; /* time of last change */
47 #elif defined (__XTENSA_EL__)
48 __time_t msg_stime
; /* time of last msgsnd command */
49 unsigned long int __uclibc_unused1
;
50 __time_t msg_rtime
; /* time of last msgrcv command */
51 unsigned long int __uclibc_unused2
;
52 __time_t msg_ctime
; /* time of last change */
53 unsigned long int __uclibc_unused3
;
55 # error endian order not defined
57 unsigned long int __msg_cbytes
; /* current number of bytes on queue */
58 msgqnum_t msg_qnum
; /* number of messages currently on queue */
59 msglen_t msg_qbytes
; /* max number of bytes allowed on queue */
60 __pid_t msg_lspid
; /* pid of last msgsnd() */
61 __pid_t msg_lrpid
; /* pid of last msgrcv() */
62 unsigned long int __uclibc_unused4
;
63 unsigned long int __uclibc_unused5
;
68 # define msg_cbytes __msg_cbytes
70 /* ipcs ctl commands */
74 /* buffer for msgctl calls IPC_INFO, MSG_INFO */
84 unsigned short int msgseg
;
87 #endif /* __USE_MISC */