135 lines
4.1 KiB
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);
|
|
}
|