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