fb919e4d5a
other "system" header files. Also help the deprecation of lockmgr.h by making it a sub-include of sys/lock.h and removing sys/lockmgr.h form kernel .c files. Sort sys/*.h includes where possible in affected files. OK'ed by: bde (with reservations)
324 lines
10 KiB
C
324 lines
10 KiB
C
/* Derived from:
|
|
* $NetBSD: svr4_resource.c,v 1.3 1998/12/13 18:00:52 christos Exp $
|
|
*/
|
|
|
|
/*-
|
|
* Original copyright:
|
|
*
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christos Zoulas.
|
|
*
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Portions of this software have been derived from software contributed
|
|
* to the FreeBSD Project by Mark Newton.
|
|
*
|
|
* Copyright (c) 1999 Mark Newton
|
|
* 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/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/file.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/resourcevar.h>
|
|
|
|
#include <compat/svr4/svr4.h>
|
|
#include <compat/svr4/svr4_types.h>
|
|
#include <compat/svr4/svr4_resource.h>
|
|
#include <compat/svr4/svr4_signal.h>
|
|
#include <compat/svr4/svr4_proto.h>
|
|
#include <compat/svr4/svr4_util.h>
|
|
|
|
static __inline int svr4_to_native_rl __P((int));
|
|
|
|
static __inline int
|
|
svr4_to_native_rl(rl)
|
|
int rl;
|
|
{
|
|
switch (rl) {
|
|
case SVR4_RLIMIT_CPU:
|
|
return RLIMIT_CPU;
|
|
case SVR4_RLIMIT_FSIZE:
|
|
return RLIMIT_FSIZE;
|
|
case SVR4_RLIMIT_DATA:
|
|
return RLIMIT_DATA;
|
|
case SVR4_RLIMIT_STACK:
|
|
return RLIMIT_STACK;
|
|
case SVR4_RLIMIT_CORE:
|
|
return RLIMIT_CORE;
|
|
case SVR4_RLIMIT_NOFILE:
|
|
return RLIMIT_NOFILE;
|
|
case SVR4_RLIMIT_VMEM:
|
|
return RLIMIT_RSS;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check if the resource limit fits within the BSD range and it is not
|
|
* one of the magic SVR4 limit values
|
|
*/
|
|
#define OKLIMIT(l) (((int32_t)(l)) >= 0 && ((int32_t)(l)) < 0x7fffffff && \
|
|
((svr4_rlim_t)(l)) != SVR4_RLIM_INFINITY && \
|
|
((svr4_rlim_t)(l)) != SVR4_RLIM_SAVED_CUR && \
|
|
((svr4_rlim_t)(l)) != SVR4_RLIM_SAVED_MAX)
|
|
|
|
#define OKLIMIT64(l) (((rlim_t)(l)) >= 0 && ((rlim_t)(l)) < RLIM_INFINITY && \
|
|
((svr4_rlim64_t)(l)) != SVR4_RLIM64_INFINITY && \
|
|
((svr4_rlim64_t)(l)) != SVR4_RLIM64_SAVED_CUR && \
|
|
((svr4_rlim64_t)(l)) != SVR4_RLIM64_SAVED_MAX)
|
|
|
|
int
|
|
svr4_sys_getrlimit(p, uap)
|
|
register struct proc *p;
|
|
struct svr4_sys_getrlimit_args *uap;
|
|
{
|
|
int rl = svr4_to_native_rl(SCARG(uap, which));
|
|
struct rlimit blim;
|
|
struct svr4_rlimit slim;
|
|
|
|
if (rl == -1)
|
|
return EINVAL;
|
|
|
|
/* For p_rlimit. */
|
|
mtx_assert(&Giant, MA_OWNED);
|
|
blim = p->p_rlimit[rl];
|
|
|
|
/*
|
|
* Our infinity, is their maxfiles.
|
|
*/
|
|
if (rl == RLIMIT_NOFILE && blim.rlim_max == RLIM_INFINITY)
|
|
blim.rlim_max = maxfiles;
|
|
|
|
/*
|
|
* If the limit can be be represented, it is returned.
|
|
* Otherwise, if rlim_cur == rlim_max, return RLIM_SAVED_MAX
|
|
* else return RLIM_SAVED_CUR
|
|
*/
|
|
if (blim.rlim_max == RLIM_INFINITY)
|
|
slim.rlim_max = SVR4_RLIM_INFINITY;
|
|
else if (OKLIMIT(blim.rlim_max))
|
|
slim.rlim_max = (svr4_rlim_t) blim.rlim_max;
|
|
else
|
|
slim.rlim_max = SVR4_RLIM_SAVED_MAX;
|
|
|
|
if (blim.rlim_cur == RLIM_INFINITY)
|
|
slim.rlim_cur = SVR4_RLIM_INFINITY;
|
|
else if (OKLIMIT(blim.rlim_cur))
|
|
slim.rlim_cur = (svr4_rlim_t) blim.rlim_cur;
|
|
else if (blim.rlim_max == blim.rlim_cur)
|
|
slim.rlim_cur = SVR4_RLIM_SAVED_MAX;
|
|
else
|
|
slim.rlim_cur = SVR4_RLIM_SAVED_CUR;
|
|
|
|
return copyout(&slim, SCARG(uap, rlp), sizeof(*SCARG(uap, rlp)));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_setrlimit(p, uap)
|
|
register struct proc *p;
|
|
struct svr4_sys_setrlimit_args *uap;
|
|
{
|
|
int rl = svr4_to_native_rl(SCARG(uap, which));
|
|
struct rlimit blim, *limp;
|
|
struct svr4_rlimit slim;
|
|
int error;
|
|
|
|
if (rl == -1)
|
|
return EINVAL;
|
|
|
|
/* For p_rlimit. */
|
|
mtx_assert(&Giant, MA_OWNED);
|
|
limp = &p->p_rlimit[rl];
|
|
|
|
if ((error = copyin(SCARG(uap, rlp), &slim, sizeof(slim))) != 0)
|
|
return error;
|
|
|
|
/*
|
|
* if the limit is SVR4_RLIM_INFINITY, then we set it to our
|
|
* unlimited.
|
|
* We should also: If it is SVR4_RLIM_SAVED_MAX, we should set the
|
|
* new limit to the corresponding saved hard limit, and if
|
|
* it is equal to SVR4_RLIM_SAVED_CUR, we should set it to the
|
|
* corresponding saved soft limit.
|
|
*
|
|
*/
|
|
if (slim.rlim_max == SVR4_RLIM_INFINITY)
|
|
blim.rlim_max = RLIM_INFINITY;
|
|
else if (OKLIMIT(slim.rlim_max))
|
|
blim.rlim_max = (rlim_t) slim.rlim_max;
|
|
else if (slim.rlim_max == SVR4_RLIM_SAVED_MAX)
|
|
blim.rlim_max = limp->rlim_max;
|
|
else if (slim.rlim_max == SVR4_RLIM_SAVED_CUR)
|
|
blim.rlim_max = limp->rlim_cur;
|
|
|
|
if (slim.rlim_cur == SVR4_RLIM_INFINITY)
|
|
blim.rlim_cur = RLIM_INFINITY;
|
|
else if (OKLIMIT(slim.rlim_cur))
|
|
blim.rlim_cur = (rlim_t) slim.rlim_cur;
|
|
else if (slim.rlim_cur == SVR4_RLIM_SAVED_MAX)
|
|
blim.rlim_cur = limp->rlim_max;
|
|
else if (slim.rlim_cur == SVR4_RLIM_SAVED_CUR)
|
|
blim.rlim_cur = limp->rlim_cur;
|
|
|
|
return dosetrlimit(p, rl, &blim);
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_getrlimit64(p, uap)
|
|
register struct proc *p;
|
|
struct svr4_sys_getrlimit64_args *uap;
|
|
{
|
|
int rl = svr4_to_native_rl(SCARG(uap, which));
|
|
struct rlimit blim;
|
|
struct svr4_rlimit64 slim;
|
|
|
|
if (rl == -1)
|
|
return EINVAL;
|
|
|
|
/* For p_rlimit. */
|
|
mtx_assert(&Giant, MA_OWNED);
|
|
blim = p->p_rlimit[rl];
|
|
|
|
/*
|
|
* Our infinity, is their maxfiles.
|
|
*/
|
|
if (rl == RLIMIT_NOFILE && blim.rlim_max == RLIM_INFINITY)
|
|
blim.rlim_max = maxfiles;
|
|
|
|
/*
|
|
* If the limit can be be represented, it is returned.
|
|
* Otherwise, if rlim_cur == rlim_max, return SVR4_RLIM_SAVED_MAX
|
|
* else return SVR4_RLIM_SAVED_CUR
|
|
*/
|
|
if (blim.rlim_max == RLIM_INFINITY)
|
|
slim.rlim_max = SVR4_RLIM64_INFINITY;
|
|
else if (OKLIMIT64(blim.rlim_max))
|
|
slim.rlim_max = (svr4_rlim64_t) blim.rlim_max;
|
|
else
|
|
slim.rlim_max = SVR4_RLIM64_SAVED_MAX;
|
|
|
|
if (blim.rlim_cur == RLIM_INFINITY)
|
|
slim.rlim_cur = SVR4_RLIM64_INFINITY;
|
|
else if (OKLIMIT64(blim.rlim_cur))
|
|
slim.rlim_cur = (svr4_rlim64_t) blim.rlim_cur;
|
|
else if (blim.rlim_max == blim.rlim_cur)
|
|
slim.rlim_cur = SVR4_RLIM64_SAVED_MAX;
|
|
else
|
|
slim.rlim_cur = SVR4_RLIM64_SAVED_CUR;
|
|
|
|
return copyout(&slim, SCARG(uap, rlp), sizeof(*SCARG(uap, rlp)));
|
|
}
|
|
|
|
|
|
int
|
|
svr4_sys_setrlimit64(p, uap)
|
|
register struct proc *p;
|
|
struct svr4_sys_setrlimit64_args *uap;
|
|
{
|
|
int rl = svr4_to_native_rl(SCARG(uap, which));
|
|
struct rlimit blim, *limp;
|
|
struct svr4_rlimit64 slim;
|
|
int error;
|
|
|
|
if (rl == -1)
|
|
return EINVAL;
|
|
|
|
/* For p_rlimit. */
|
|
mtx_assert(&Giant, MA_OWNED);
|
|
limp = &p->p_rlimit[rl];
|
|
|
|
if ((error = copyin(SCARG(uap, rlp), &slim, sizeof(slim))) != 0)
|
|
return error;
|
|
|
|
/*
|
|
* if the limit is SVR4_RLIM64_INFINITY, then we set it to our
|
|
* unlimited.
|
|
* We should also: If it is SVR4_RLIM64_SAVED_MAX, we should set the
|
|
* new limit to the corresponding saved hard limit, and if
|
|
* it is equal to SVR4_RLIM64_SAVED_CUR, we should set it to the
|
|
* corresponding saved soft limit.
|
|
*
|
|
*/
|
|
if (slim.rlim_max == SVR4_RLIM64_INFINITY)
|
|
blim.rlim_max = RLIM_INFINITY;
|
|
else if (OKLIMIT64(slim.rlim_max))
|
|
blim.rlim_max = (rlim_t) slim.rlim_max;
|
|
else if (slim.rlim_max == SVR4_RLIM64_SAVED_MAX)
|
|
blim.rlim_max = limp->rlim_max;
|
|
else if (slim.rlim_max == SVR4_RLIM64_SAVED_CUR)
|
|
blim.rlim_max = limp->rlim_cur;
|
|
|
|
if (slim.rlim_cur == SVR4_RLIM64_INFINITY)
|
|
blim.rlim_cur = RLIM_INFINITY;
|
|
else if (OKLIMIT64(slim.rlim_cur))
|
|
blim.rlim_cur = (rlim_t) slim.rlim_cur;
|
|
else if (slim.rlim_cur == SVR4_RLIM64_SAVED_MAX)
|
|
blim.rlim_cur = limp->rlim_max;
|
|
else if (slim.rlim_cur == SVR4_RLIM64_SAVED_CUR)
|
|
blim.rlim_cur = limp->rlim_cur;
|
|
|
|
return dosetrlimit(p, rl, &blim);
|
|
}
|