glibc/sysdeps/mach/hurd/getrlimit.c
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2019-01-01 00:11:28 +00:00

48 lines
1.4 KiB
C

/* Copyright (C) 1991-2019 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sys/resource.h>
#include <errno.h>
#include <hurd.h>
#include <hurd/resource.h>
/* Put the soft and hard limits for RESOURCE in *RLIMITS.
Returns 0 if successful, -1 if not (and sets errno). */
int
__getrlimit (enum __rlimit_resource resource, struct rlimit *rlimits)
{
struct rlimit lim;
if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS)
{
errno = EINVAL;
return -1;
}
HURD_CRITICAL_BEGIN;
__mutex_lock (&_hurd_rlimit_lock);
lim = _hurd_rlimits[resource];
__mutex_unlock (&_hurd_rlimit_lock);
HURD_CRITICAL_END;
*rlimits = lim;
return 0;
}
libc_hidden_def (__getrlimit)
weak_alias (__getrlimit, getrlimit)