41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* Copyright (C) 1991,92,93,94,95,97,2000 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <hurd.h>
|
|
#include <hurd/fd.h>
|
|
#include <hurd/resource.h>
|
|
|
|
/* Return the maximum number of file descriptors the current process
|
|
could possibly have (until it raises the resource limit). */
|
|
int
|
|
__getdtablesize ()
|
|
{
|
|
rlim_t limit;
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
__mutex_lock (&_hurd_rlimit_lock);
|
|
limit = _hurd_rlimits[RLIMIT_NOFILE].rlim_cur;
|
|
__mutex_unlock (&_hurd_rlimit_lock);
|
|
HURD_CRITICAL_END;
|
|
|
|
/* RLIM_INFINITY is not meaningful to our caller. -1 is a good choice
|
|
because `sysconf (_SC_OPEN_MAX)' calls us, and -1 from sysconf means
|
|
"no determinable limit". */
|
|
return limit == RLIM_INFINITY ? -1 : (int) limit;
|
|
}
|
|
|
|
weak_alias (__getdtablesize, getdtablesize)
|