diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-02-09 06:43:59 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2001-02-09 06:43:59 +0000 |
commit | d064d3e32bec66e5f8cc474be6fb0b0168f73bee (patch) | |
tree | 9dcc83fdec23a3bb1c748557ba08ab83fb4e58d9 /libc/sysdeps/linux/common/getdtablesize.c | |
parent | 411597d4f47de6b37275ee4fdf9fc45cc2a30fcb (diff) |
Implement getdtablesize(), which is used by the rpc crap.
-Erik
Diffstat (limited to 'libc/sysdeps/linux/common/getdtablesize.c')
-rw-r--r-- | libc/sysdeps/linux/common/getdtablesize.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/getdtablesize.c b/libc/sysdeps/linux/common/getdtablesize.c new file mode 100644 index 000000000..664881f2a --- /dev/null +++ b/libc/sysdeps/linux/common/getdtablesize.c @@ -0,0 +1,34 @@ +/* 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 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 <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; +} + |