1 /* posixselect.h -- wrapper for select(2) includes and definitions */
3 /* Copyright (C) 2009 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 Bash is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Bash. If not, see <http://www.gnu.org/licenses/>.
21 #ifndef _POSIXSELECT_H_
22 #define _POSIXSELECT_H_
24 #if defined (FD_SET) && !defined (HAVE_SELECT)
25 # define HAVE_SELECT 1
28 #if defined (HAVE_SELECT)
29 # if !defined (HAVE_SYS_SELECT_H) || !defined (M_UNIX)
30 # include <sys/time.h>
32 #endif /* HAVE_SELECT */
33 #if defined (HAVE_SYS_SELECT_H)
34 # include <sys/select.h>
38 # define USEC_PER_SEC 1000000
41 #define USEC_TO_TIMEVAL(us, tv) \
43 (tv).tv_sec = (us) / USEC_PER_SEC; \
44 (tv).tv_usec = (us) % USEC_PER_SEC; \
47 #endif /* _POSIXSELECT_H_ */