glibc/sysdeps/unix/sysv/linux/msgrcv.c
Ulrich Drepper 977bfd77e6 Update.
1998-06-19  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/bits/sem.h: Don't define union semun.

	* sysdeps/unix/sysv/linux/bits/sem.h: Fix typo.

	* sysdeps/unix/sysv/linux/bits/ipc.h: Remove ipc_kludge definition
	here.
	* sysdeps/unix/sysv/linux/msgrcv.c (msgrcv): Add ipc_kludge
	definition here.
1998-06-19 11:09:14 +00:00

49 lines
1.5 KiB
C

/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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. */
#include <sys/msg.h>
/* Kludge to work around Linux' restriction of only up to five
arguments to a system call. */
struct ipc_kludge
{
void *msgp;
long int msgtyp;
};
int
msgrcv (msqid, msgp, msgsz, msgtyp, msgflg)
int msqid;
void *msgp;
size_t msgsz;
long int msgtyp;
int msgflg;
{
/* The problem here is that Linux' calling convention only allows up to
fives parameters to a system call. */
struct ipc_kludge tmp;
tmp.msgp = msgp;
tmp.msgtyp = msgtyp;
return __ipc (IPCOP_msgrcv, msqid, msgsz, msgflg, &tmp);
}