From 9cee42f10dbc5b33866ff137b926a74abd7c1a5b Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 1 Mar 2002 20:46:26 +0000 Subject: Major rework of the include files to eliminate redundancy and to better support each arch. This is a really big patch... -Erik --- libc/sysdeps/linux/common/bits/select.h | 35 +++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 libc/sysdeps/linux/common/bits/select.h (limited to 'libc/sysdeps/linux/common/bits/select.h') diff --git a/libc/sysdeps/linux/common/bits/select.h b/libc/sysdeps/linux/common/bits/select.h new file mode 100644 index 000000000..47e7dedc3 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/select.h @@ -0,0 +1,35 @@ +/* Copyright (C) 1997, 1998, 2001 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. */ + +#ifndef _SYS_SELECT_H +# error "Never use directly; include instead." +#endif + + +/* We don't use `memset' because this would require a prototype and + the array isn't too big. */ +#define __FD_ZERO(s) \ + do { \ + unsigned int __i; \ + fd_set *__arr = (s); \ + for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \ + __FDS_BITS (__arr)[__i] = 0; \ + } while (0) +#define __FD_SET(d, s) (__FDS_BITS (s)[__FDELT(d)] |= __FDMASK(d)) +#define __FD_CLR(d, s) (__FDS_BITS (s)[__FDELT(d)] &= ~__FDMASK(d)) +#define __FD_ISSET(d, s) ((__FDS_BITS (s)[__FDELT(d)] & __FDMASK(d)) != 0) -- cgit v1.2.3