NetBSD/sys/compat/irix/irix_misc.c

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/* $NetBSD: irix_misc.c,v 1.4 2002/11/09 09:03:58 manu Exp $ */
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/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emmanuel Dreyfus.
*
* 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: irix_misc.c,v 1.4 2002/11/09 09:03:58 manu Exp $");
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#include <sys/types.h>
#include <sys/signal.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <sys/kernel.h>
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#include <sys/proc.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <compat/svr4/svr4_types.h>
#include <compat/svr4/svr4_lwp.h>
#include <compat/svr4/svr4_signal.h>
#include <compat/svr4/svr4_ucontext.h>
#include <compat/svr4/svr4_utsname.h>
#include <compat/svr4/svr4_syscallargs.h>
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#include <compat/irix/irix_types.h>
#include <compat/irix/irix_signal.h>
#include <compat/irix/irix_exec.h>
#include <compat/irix/irix_sysctl.h>
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#include <compat/irix/irix_syscallargs.h>
/*
* This is copied from sys/compat/sunos/sunos_misc.c:sunos_sys_setpgrp()
* Maybe consider moving this to sys/compat/common/compat_util.c?
*/
int
irix_sys_setpgrp(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct irix_sys_setpgrp_args /* {
syscallarg(int) pid;
syscallarg(int) pgid;
} */ *uap = v;
/*
* difference to our setpgid call is to include backwards
* compatibility to pre-setsid() binaries. Do setsid()
* instead of setpgid() in those cases where the process
* tries to create a new session the old way.
*/
if (!SCARG(uap, pgid) &&
(!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
return sys_setsid(p, uap, retval);
else
return sys_setpgid(p, uap, retval);
}
#define BUF_SIZE 16
int
irix_sys_uname(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct irix_sys_uname_args /* {
syscallarg(struct irix_utsname *) name;
} */ *uap = v;
struct irix_utsname sut;
char irix_release[BUF_SIZE + 1];
snprintf(irix_release, sizeof(irix_release), "%s.%s",
irix_si_osrel_maj, irix_si_osrel_min);
memset(&sut, 0, sizeof(sut));
strncpy(sut.sysname, irix_si_os_name, sizeof(sut.sysname));
sut.sysname[sizeof(sut.sysname) - 1] = '\0';
strncpy(sut.nodename, hostname, sizeof(sut.nodename));
sut.nodename[sizeof(sut.nodename) - 1] = '\0';
strncpy(sut.release, irix_release, sizeof(sut.release));
sut.release[sizeof(sut.release) - 1] = '\0';
strncpy(sut.version, irix_si_version, sizeof(sut.version));
sut.version[sizeof(sut.version) - 1] = '\0';
strncpy(sut.machine, irix_si_hw_name, sizeof(sut.machine));
sut.machine[sizeof(sut.machine) - 1] = '\0';
return copyout((caddr_t) &sut, (caddr_t) SCARG(uap, name),
sizeof(struct irix_utsname));
}
int
irix_sys_utssys(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct irix_sys_utssys_args /* {
syscallarg(void *) a1;
syscallarg(void *) a2;
syscallarg(int) sel;
syscallarg(void) a3;
} */ *uap = v;
switch (SCARG(uap, sel)) {
case 0: { /* uname(2) */
struct irix_sys_uname_args ua;
SCARG(&ua, name) = SCARG(uap, a1);
return irix_sys_uname(p, &ua, retval);
}
break;
default:
return(svr4_sys_utssys(p, v, retval));
break;
}
return 0;
}