glibc/sysdeps/mach/hurd/getdtsz.c
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

44 lines
1.5 KiB
C

/* Copyright (C) 1991-2022 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
<https://www.gnu.org/licenses/>. */
#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 (void)
{
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)