NetBSD/sys/compat/netbsd32/netbsd32_signal.c

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/* $NetBSD: netbsd32_signal.c,v 1.2 2001/11/13 02:09:07 lukem Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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: netbsd32_signal.c,v 1.2 2001/11/13 02:09:07 lukem Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/signalvar.h>
#include <sys/proc.h>
#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
int
netbsd32_sigaction(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct netbsd32_sigaction_args /* {
syscallarg(int) signum;
syscallarg(const netbsd32_sigactionp_t) nsa;
syscallarg(netbsd32_sigactionp_t) osa;
} */ *uap = v;
struct sigaction nsa, osa;
struct netbsd32_sigaction *sa32p, sa32;
int error;
if (SCARG(uap, nsa)) {
sa32p = (struct netbsd32_sigaction *)(u_long)SCARG(uap, nsa);
if (copyin(sa32p, &sa32, sizeof(sa32)))
return EFAULT;
nsa.sa_handler = (void *)(u_long)sa32.sa_handler;
nsa.sa_mask = sa32.sa_mask;
nsa.sa_flags = sa32.sa_flags;
}
error = sigaction1(p, SCARG(uap, signum),
SCARG(uap, nsa) ? &nsa : 0,
SCARG(uap, osa) ? &osa : 0);
if (error)
return (error);
if (SCARG(uap, osa)) {
sa32.sa_handler = (netbsd32_sigactionp_t)(u_long)osa.sa_handler;
sa32.sa_mask = osa.sa_mask;
sa32.sa_flags = osa.sa_flags;
sa32p = (struct netbsd32_sigaction *)(u_long)SCARG(uap, osa);
if (copyout(&sa32, sa32p, sizeof(sa32)))
return EFAULT;
}
return (0);
}
int
netbsd32___sigaltstack14(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct netbsd32___sigaltstack14_args /* {
syscallarg(const netbsd32_sigaltstackp_t) nss;
syscallarg(netbsd32_sigaltstackp_t) oss;
} */ *uap = v;
struct netbsd32_sigaltstack s32;
struct sigaltstack nss, oss;
int error;
if (SCARG(uap, nss)) {
error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32, sizeof(s32));
if (error)
return (error);
nss.ss_sp = (void *)(u_long)s32.ss_sp;
nss.ss_size = (size_t)s32.ss_size;
nss.ss_flags = s32.ss_flags;
}
error = sigaltstack1(p,
SCARG(uap, nss) ? &nss : 0, SCARG(uap, oss) ? &oss : 0);
if (error)
return (error);
if (SCARG(uap, oss)) {
s32.ss_sp = (netbsd32_voidp)(u_long)oss.ss_sp;
s32.ss_size = (netbsd32_size_t)oss.ss_size;
s32.ss_flags = oss.ss_flags;
error = copyout(&s32, (caddr_t)(u_long)SCARG(uap, oss), sizeof(s32));
if (error)
return (error);
}
return (0);
}
/* ARGSUSED */
int
netbsd32___sigaction14(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct netbsd32___sigaction14_args /* {
syscallarg(int) signum;
syscallarg(const struct sigaction *) nsa;
syscallarg(struct sigaction *) osa;
} */ *uap = v;
struct netbsd32_sigaction sa32;
struct sigaction nsa, osa;
int error;
if (SCARG(uap, nsa)) {
error = copyin((caddr_t)(u_long)SCARG(uap, nsa),
&sa32, sizeof(sa32));
if (error)
return (error);
nsa.sa_handler = (void *)(u_long)sa32.sa_handler;
nsa.sa_mask = sa32.sa_mask;
nsa.sa_flags = sa32.sa_flags;
}
error = sigaction1(p, SCARG(uap, signum),
SCARG(uap, nsa) ? &nsa : 0, SCARG(uap, osa) ? &osa : 0);
if (error)
return (error);
if (SCARG(uap, osa)) {
sa32.sa_handler = (netbsd32_voidp)(u_long)osa.sa_handler;
sa32.sa_mask = osa.sa_mask;
sa32.sa_flags = osa.sa_flags;
error = copyout(&sa32, (caddr_t)(u_long)SCARG(uap, osa), sizeof(sa32));
if (error)
return (error);
}
return (0);
}