NetBSD/sys/compat/netbsd32/netbsd32_compat_13.c

142 lines
4.1 KiB
C

/* $NetBSD: netbsd32_compat_13.c,v 1.11 2002/03/16 20:43:54 christos 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_compat_13.c,v 1.11 2002/03/16 20:43:54 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/syscallargs.h>
#include <compat/netbsd32/netbsd32.h>
#include <compat/netbsd32/netbsd32_syscallargs.h>
int
compat_13_netbsd32_sigaltstack13(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_netbsd32_sigaltstack13_args /* {
syscallarg(const netbsd32_sigaltstack13p_t) nss;
syscallarg(netbsd32_sigaltstack13p_t) oss;
} */ *uap = v;
struct compat_13_sys_sigaltstack_args ua;
struct sigaltstack13 ss13, *nss13up, *oss13up;
struct netbsd32_sigaltstack13 s32ss;
caddr_t sg;
int error;
if (!SCARG(uap, nss))
return (EINVAL);
sg = stackgap_init(p, 0);
SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up));
if (SCARG(uap, oss))
SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up));
else
SCARG(&ua, oss) = NULL;
error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32ss, sizeof s32ss);
if (error)
return (error);
ss13.ss_sp = (char *)(u_long)s32ss.ss_sp;
ss13.ss_size = s32ss.ss_size;
ss13.ss_flags = s32ss.ss_flags;
error = copyout(&ss13, nss13up, sizeof *nss13up);
if (error)
return (error);
error = compat_13_sys_sigaltstack(p, &ua, retval);
if (error)
return (error);
if (SCARG(uap, oss)) {
error = copyin(nss13up, &ss13, sizeof *nss13up);
if (error)
return (error);
s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp;
s32ss.ss_size = ss13.ss_size;
s32ss.ss_flags = ss13.ss_flags;
error = copyout(&s32ss, (caddr_t)(u_long)SCARG(uap, nss), sizeof s32ss);
if (error)
return (error);
}
return (0);
}
int
compat_13_netbsd32_sigprocmask(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_netbsd32_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_netbsd32_sigsuspend(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct compat_13_netbsd32_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));
}