1 /* Substitute for <sys/select.h>.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 #ifndef _GL_SYS_SELECT_H
20 #if @HAVE_SYS_SELECT_H@
22 @PRAGMA_SYSTEM_HEADER@
24 /* On many platforms, <sys/select.h> assumes prior inclusion of
26 # include <sys/types.h>
28 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
29 of 'struct timeval', and no definition of this type.. */
30 # include <sys/time.h>
32 /* The include_next requires a split double-inclusion guard. */
33 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
37 #ifndef _GL_SYS_SELECT_H
38 #define _GL_SYS_SELECT_H
40 #if !@HAVE_SYS_SELECT_H@
42 /* A platform that lacks <sys/select.h>. */
44 # include <sys/socket.h>
46 /* The definition of GL_LINK_WARNING is copied here. */
53 # if @HAVE_WINSOCK2_H@
55 # define select rpl_select
56 extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
58 # elif @HAVE_WINSOCK2_H@
60 # define select select_used_without_requesting_gnulib_module_select
61 # elif defined GNULIB_POSIXCHECK
63 # define select(n,r,w,e,t) \
64 (GL_LINK_WARNING ("select is not always POSIX compliant - " \
65 "use gnulib module for portability"), \
66 select (n, r, w, e, t))
75 #endif /* _GL_SYS_SELECT_H */
76 #endif /* _GL_SYS_SELECT_H */