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glibc  2.9
mqueue.h
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00001 /* Copyright (C) 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef _MQUEUE_H
00020 # error "Never use <bits/mqueue.h> directly; include <mqueue.h> instead."
00021 #endif
00022 
00023 typedef int mqd_t;
00024 
00025 struct mq_attr
00026 {
00027   long int mq_flags; /* Message queue flags.  */
00028   long int mq_maxmsg;       /* Maximum number of messages.  */
00029   long int mq_msgsize;      /* Maximum message size.  */
00030   long int mq_curmsgs;      /* Number of messages currently queued.  */
00031 };