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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _SYS_MSG_H
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#define _SYS_MSG_H
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#include <features.h>
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/* Get common definition of System V style IPC. */
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#include <sys/ipc.h>
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/* Get system dependent definition of `struct msqid_ds' and more. */
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#include <bits/msq.h>
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/* Define types required by the standard. */
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#define __need_time_t
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#include <time.h>
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#ifndef __pid_t_defined
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typedef __pid_t pid_t;
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# define __pid_t_defined
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#endif
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#ifndef __ssize_t_defined
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typedef __ssize_t ssize_t;
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# define __ssize_t_defined
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#endif
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/* The following System V style IPC functions implement a message queue
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system. The definition is found in XPG2. */
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#ifdef __USE_GNU
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/* Template for struct to be used as argument for `msgsnd' and `msgrcv'. */
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struct msgbuf
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{
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long int mtype; /* type of received/sent message */
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char mtext[1]; /* text of the message */
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};
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#endif
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__BEGIN_DECLS
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/* Message queue control operation. */
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extern int msgctl (int __msqid, int __cmd, struct msqid_ds *__buf) __THROW;
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/* Get messages queue. */
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extern int msgget (key_t __key, int __msgflg) __THROW;
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/* Receive message from message queue. */
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extern int msgrcv (int __msqid, void *__msgp, size_t __msgsz,
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long int __msgtyp, int __msgflg) __THROW;
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/* Send message to message queue. */
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extern int msgsnd (int __msqid, __const void *__msgp, size_t __msgsz,
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int __msgflg) __THROW;
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__END_DECLS
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#endif /* sys/msg.h */
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