NetBSD/sys/compat/common/kern_sig_13.c

239 lines
5.9 KiB
C

/* $NetBSD: kern_sig_13.c,v 1.5 2000/03/30 11:27:14 augustss Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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/param.h>
#include <sys/proc.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/systm.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <machine/limits.h>
#include <compat/common/compat_util.h>
void
native_sigset13_to_sigset(oss, ss)
const sigset13_t *oss;
sigset_t *ss;
{
ss->__bits[0] = *oss;
ss->__bits[1] = 0;
ss->__bits[2] = 0;
ss->__bits[3] = 0;
}
void
native_sigset_to_sigset13(ss, oss)
const sigset_t *ss;
sigset13_t *oss;
{
*oss = ss->__bits[0];
}
void
native_sigaction13_to_sigaction(osa, sa)
const struct sigaction13 *osa;
struct sigaction *sa;
{
sa->sa_handler = osa->sa_handler;
native_sigset13_to_sigset(&osa->sa_mask, &sa->sa_mask);
sa->sa_flags = osa->sa_flags;
}
void
native_sigaction_to_sigaction13(sa, osa)
const struct sigaction *sa;
struct sigaction13 *osa;
{
osa->sa_handler = sa->sa_handler;
native_sigset_to_sigset13(&sa->sa_mask, &osa->sa_mask);
osa->sa_flags = sa->sa_flags;
}
void
native_sigaltstack13_to_sigaltstack(osa, sa)
const struct sigaltstack13 *osa;
struct sigaltstack *sa;
{
sa->ss_sp = osa->ss_sp;
sa->ss_size = osa->ss_size;
sa->ss_flags = osa->ss_flags;
}
void
native_sigaltstack_to_sigaltstack13(sa, osa)
const struct sigaltstack *sa;
struct sigaltstack13 *osa;
{
osa->ss_sp = sa->ss_sp;
osa->ss_size = sa->ss_size;
osa->ss_flags = sa->ss_flags;
}
int
compat_13_sys_sigaltstack(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_sys_sigaltstack_args /* {
syscallarg(const struct sigaltstack13 *) nss;
syscallarg(struct sigaltstack13 *) oss;
} */ *uap = v;
struct sigaltstack13 ness, oess;
struct sigaltstack nbss, obss;
int error;
if (SCARG(uap, nss)) {
error = copyin(SCARG(uap, nss), &ness, sizeof(ness));
if (error)
return (error);
native_sigaltstack13_to_sigaltstack(&ness, &nbss);
}
error = sigaltstack1(p,
SCARG(uap, nss) ? &nbss : 0, SCARG(uap, oss) ? &obss : 0);
if (error)
return (error);
if (SCARG(uap, oss)) {
native_sigaltstack_to_sigaltstack13(&obss, &oess);
error = copyout(&oess, SCARG(uap, oss), sizeof(oess));
if (error)
return (error);
}
return (0);
}
int
compat_13_sys_sigaction(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_sys_sigaction_args /* {
syscallarg(int) signum;
syscallarg(const struct sigaction13 *) nsa;
syscallarg(struct sigaction13 *) osa;
} */ *uap = v;
struct sigaction13 nesa, oesa;
struct sigaction nbsa, obsa;
int error;
if (SCARG(uap, nsa)) {
error = copyin(SCARG(uap, nsa), &nesa, sizeof(nesa));
if (error)
return (error);
native_sigaction13_to_sigaction(&nesa, &nbsa);
}
error = sigaction1(p, SCARG(uap, signum),
SCARG(uap, nsa) ? &nbsa : 0, SCARG(uap, osa) ? &obsa : 0);
if (error)
return (error);
if (SCARG(uap, osa)) {
native_sigaction_to_sigaction13(&obsa, &oesa);
error = copyout(&oesa, SCARG(uap, osa), sizeof(oesa));
if (error)
return (error);
}
return (0);
}
int
compat_13_sys_sigprocmask(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_sys_sigprocmask_args /* {
syscallarg(int) how;
syscallarg(int) mask;
} */ *uap = v;
sigset13_t ness, oess;
sigset_t nbss, obss;
int error;
ness = SCARG(uap, mask);
native_sigset13_to_sigset(&ness, &nbss);
error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss);
if (error)
return (error);
native_sigset_to_sigset13(&obss, &oess);
*retval = oess;
return (0);
}
int
compat_13_sys_sigpending(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
sigset13_t ess;
sigset_t bss;
sigpending1(p, &bss);
native_sigset_to_sigset13(&bss, &ess);
*retval = ess;
return (0);
}
int
compat_13_sys_sigsuspend(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_sys_sigsuspend_args /* {
syscallarg(sigset13_t) mask;
} */ *uap = v;
sigset13_t ess;
sigset_t bss;
ess = SCARG(uap, mask);
native_sigset13_to_sigset(&ess, &bss);
return (sigsuspend1(p, &bss));
}