diff options
Diffstat (limited to 'sysdeps/posix/getdtsz.c')
| -rw-r--r-- | sysdeps/posix/getdtsz.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sysdeps/posix/getdtsz.c b/sysdeps/posix/getdtsz.c index 2080dc7..22ecb4f 100644 --- a/sysdeps/posix/getdtsz.c +++ b/sysdeps/posix/getdtsz.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1993, 1995, 1996 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 @@ -16,17 +16,21 @@ License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <ansidecl.h> +#include <limits.h> #include <unistd.h> - -extern long int EXFUN(__sysconf, (int)); +#include <sys/resource.h> /* Return the maximum number of file descriptors the current process could possibly have. */ int -DEFUN_VOID(__getdtablesize) +__getdtablesize (void) { - return __sysconf (_SC_OPEN_MAX); + 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) |