NetBSD/sys/compat/linux/common/linux_limit.h

98 lines
3.3 KiB
C

/* $NetBSD: linux_limit.h,v 1.7 2015/02/28 13:08:00 njoly Exp $ */
/*-
* Copyright (c) 1995, 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Frank van der Linden and Eric Haszlakiewicz; by Jason R. Thorpe
* of the Numerical Aerospace Simulation Facility, NASA Ames Research Center.
*
* 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.
*
* 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.
*/
#ifndef _LINUX_LIMIT_H_
#define _LINUX_LIMIT_H_
static int linux_to_bsd_limit(int);
#ifdef LINUX_LARGEFILE64
#define bsd_to_linux_rlimit1(l, b, f) \
(l)->f = ((b)->f == RLIM_INFINITY || \
((b)->f & 0x8000000000000000UL) != 0) ? \
LINUX_RLIM_INFINITY : (b)->f
#else
#define bsd_to_linux_rlimit1(l, b, f) \
(l)->f = ((b)->f == RLIM_INFINITY || \
((b)->f & 0xffffffff00000000ULL) != 0) ? \
LINUX_RLIM_INFINITY : (int32_t)(b)->f
#endif
#define bsd_to_linux_rlimit(l, b) \
bsd_to_linux_rlimit1(l, b, rlim_cur); \
bsd_to_linux_rlimit1(l, b, rlim_max)
#define linux_to_bsd_rlimit1(b, l, f) \
(b)->f = (l)->f == LINUX_RLIM_INFINITY ? RLIM_INFINITY : (l)->f
#define linux_to_bsd_rlimit(b, l) \
linux_to_bsd_rlimit1(b, l, rlim_cur); \
linux_to_bsd_rlimit1(b, l, rlim_max)
#define linux32_to_bsd_rlimit1(b, l, f) \
(b)->f = (l)->f == LINUX32_RLIM_INFINITY ? RLIM_INFINITY : (uint32_t)(l)->f
#define linux32_to_bsd_rlimit(b, l) \
linux32_to_bsd_rlimit1(b, l, rlim_cur); \
linux32_to_bsd_rlimit1(b, l, rlim_max)
static int
linux_to_bsd_limit(int lim)
{
switch (lim) {
case LINUX_RLIMIT_CPU:
return RLIMIT_CPU;
case LINUX_RLIMIT_FSIZE:
return RLIMIT_FSIZE;
case LINUX_RLIMIT_DATA:
return RLIMIT_DATA;
case LINUX_RLIMIT_STACK:
return RLIMIT_STACK;
case LINUX_RLIMIT_CORE:
return RLIMIT_CORE;
case LINUX_RLIMIT_RSS:
return RLIMIT_RSS;
case LINUX_RLIMIT_NPROC:
return RLIMIT_NPROC;
case LINUX_RLIMIT_NOFILE:
return RLIMIT_NOFILE;
case LINUX_RLIMIT_MEMLOCK:
return RLIMIT_MEMLOCK;
case LINUX_RLIMIT_AS:
return RLIMIT_AS;
case LINUX_RLIMIT_LOCKS:
return -EOPNOTSUPP;
default:
return -EINVAL;
}
}
#endif /* _LINUX_LIMIT_H_ */