glibc/sysdeps/mach/hurd/setrlimit.c
Ulrich Drepper a3a4a74e6a Update.
1998-06-12 23:34  Ulrich Drepper  <drepper@cygnus.com>

	* manual/arith.texi: Fix problem with @math and texinfo.tex.

	* manual/filesys.texi: Document LFS functions.
	* manual/llio.texi: Likewise.
	* manual/stdio.texi: Likewise.
	* manual/time.texi: Likewise.

	* manual/llio.texi: Document AIO functions.

	* resource/sys/resource.h: Mark second argument of setrlimit as const.
	* sysdeps/generic/setrlimit.c: Likewise.
	* sysdeps/generic/setrlimit64.c: Likewise.
	* sysdeps/mach/hurd/setrlimit.c: Likewise.
	* sysdeps/unix/sysv/setrlimit.c: Likewise.
1998-06-13 00:49:55 +00:00

60 lines
1.8 KiB
C

/* Copyright (C) 1991, 92, 93, 94, 97, 98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <hurd.h>
#include <hurd/resource.h>
#include <errno.h>
#include <hurd/fd.h>
/* Set the soft and hard limits for RESOURCE to *RLIMITS.
Only the super-user can increase hard limits.
Return 0 if successful, -1 if not (and sets errno). */
/* XXX should be __setrlimit ? */
int
setrlimit (resource, rlimits)
enum __rlimit_resource resource;
const struct rlimit *rlimits;
{
struct rlimit lim;
if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS)
{
errno = EINVAL;
return -1;
}
lim = *rlimits;
if (lim.rlim_max != RLIM_INFINITY)
{
/* We have no enforceable resource limits. */
errno = ENOSYS;
return -1;
}
if (lim.rlim_cur > lim.rlim_max)
lim.rlim_cur = lim.rlim_max;
__mutex_lock (&_hurd_rlimit_lock);
_hurd_rlimits[resource] = lim;
__mutex_unlock (&_hurd_rlimit_lock);
return 0;
}