diff options
Diffstat (limited to 'bits/select.h')
| -rw-r--r-- | bits/select.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/bits/select.h b/bits/select.h new file mode 100644 index 0000000000..613919577c --- /dev/null +++ b/bits/select.h @@ -0,0 +1,29 @@ +/* Copyright (C) 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. */ + +#ifndef _SYS_SELECT_H +#error "Never use <bits/select.h> directly; include <sys/select.h> instead." +#endif + + +/* This line MUST be split! Otherwise m4 will not change it. */ +#define __FD_ZERO(set) \ + ((void) memset ((__ptr_t) (set), 0, sizeof (fd_set))) +#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) +#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) +#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) |