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@
23 @PRAGMA_SYSTEM_HEADER@
26 /* On many platforms, <sys/select.h> assumes prior inclusion of
28 # include <sys/types.h>
30 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
31 of 'struct timeval', and no definition of this type.. */
32 # include <sys/time.h>
34 /* The include_next requires a split double-inclusion guard. */
35 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
39 #ifndef _GL_SYS_SELECT_H
40 #define _GL_SYS_SELECT_H
42 #if !@HAVE_SYS_SELECT_H@
44 /* A platform that lacks <sys/select.h>. */
46 # include <sys/socket.h>
48 /* The definition of GL_LINK_WARNING is copied here. */
55 # if @HAVE_WINSOCK2_H@
57 # define select rpl_select
58 extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
60 # elif @HAVE_WINSOCK2_H@
62 # define select select_used_without_requesting_gnulib_module_select
63 # elif defined GNULIB_POSIXCHECK
65 # define select(n,r,w,e,t) \
66 (GL_LINK_WARNING ("select is not always POSIX compliant - " \
67 "use gnulib module select for portability"), \
68 select (n, r, w, e, t))
77 #endif /* _GL_SYS_SELECT_H */
78 #endif /* _GL_SYS_SELECT_H */