NetBSD/sys/compat/common/sysv_msg_14.c

135 lines
4.1 KiB
C

/* $NetBSD: sysv_msg_14.c,v 1.5 2003/01/18 07:28:34 thorpej Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysv_msg_14.c,v 1.5 2003/01/18 07:28:34 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/signal.h>
#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/msg.h>
#ifndef SYSVMSG
#define SYSVMSG
#endif
#include <sys/sa.h>
#include <sys/syscallargs.h>
static void msqid_ds14_to_native __P((struct msqid_ds14 *, struct msqid_ds *));
static void native_to_msqid_ds14 __P((struct msqid_ds *, struct msqid_ds14 *));
static void
msqid_ds14_to_native(omsqbuf, msqbuf)
struct msqid_ds14 *omsqbuf;
struct msqid_ds *msqbuf;
{
ipc_perm14_to_native(&omsqbuf->msg_perm, &msqbuf->msg_perm);
#define CVT(x) msqbuf->x = omsqbuf->x
CVT(msg_qnum);
CVT(msg_qbytes);
CVT(msg_lspid);
CVT(msg_lrpid);
CVT(msg_stime);
CVT(msg_rtime);
CVT(msg_ctime);
#undef CVT
}
static void
native_to_msqid_ds14(msqbuf, omsqbuf)
struct msqid_ds *msqbuf;
struct msqid_ds14 *omsqbuf;
{
native_to_ipc_perm14(&msqbuf->msg_perm, &omsqbuf->msg_perm);
#define CVT(x) omsqbuf->x = msqbuf->x
CVT(msg_qnum);
CVT(msg_qbytes);
CVT(msg_lspid);
CVT(msg_lrpid);
CVT(msg_stime);
CVT(msg_rtime);
CVT(msg_ctime);
#undef CVT
/*
* Not part of the API, but some programs might look at it.
*/
omsqbuf->msg_cbytes = msqbuf->_msg_cbytes;
}
int
compat_14_sys_msgctl(struct lwp *l, void *v, register_t *retval)
{
struct compat_14_sys_msgctl_args /* {
syscallarg(int) msqid;
syscallarg(int) cmd;
syscallarg(struct msqid_ds14 *) buf;
} */ *uap = v;
struct proc *p = l->l_proc;
struct msqid_ds msqbuf;
struct msqid_ds14 omsqbuf;
int cmd, error;
cmd = SCARG(uap, cmd);
if (cmd == IPC_SET) {
error = copyin(SCARG(uap, buf), &omsqbuf, sizeof(omsqbuf));
if (error)
return (error);
msqid_ds14_to_native(&omsqbuf, &msqbuf);
}
error = msgctl1(p, SCARG(uap, msqid), cmd,
(cmd == IPC_SET || cmd == IPC_STAT) ? &msqbuf : NULL);
if (error == 0 && cmd == IPC_STAT) {
native_to_msqid_ds14(&msqbuf, &omsqbuf);
error = copyout(&omsqbuf, SCARG(uap, buf), sizeof(omsqbuf));
}
return (error);
}