mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 20:51:11 +00:00
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Copyright (C) 1991, 1993, 1995, 1996, 1997 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 <limits.h>
|
|
#include <unistd.h>
|
|
#include <sys/resource.h>
|
|
|
|
/* Return the maximum number of file descriptors
|
|
the current process could possibly have. */
|
|
int
|
|
__getdtablesize (void)
|
|
{
|
|
struct rlimit ru;
|
|
|
|
/* This should even work if `getrlimit' is not implemented. POSIX.1
|
|
does not define this function but we will generate a stub which
|
|
returns -1. */
|
|
return __getrlimit (RLIMIT_NOFILE, &ru) < 0 ? OPEN_MAX : ru.rlim_cur;
|
|
}
|
|
|
|
weak_alias (__getdtablesize, getdtablesize)
|