annotate lib/sys_select.in.h @ 10541:142140ec3db8

strengthen self-containedness check for sys/select.h 2008-09-29 Paolo Bonzini <bonzini@gnu.org> Bruno Haible <bruno@clisp.org> * lib/sys_select.in.h: Include sys/time.h. * m4/sys_select.h.m4: Test that struct timeval is fully defined. * modules/sys_select: Depend on sys_time. * tests/test-sys_select.c: Test that sys/select.h defines struct timeval fully.
author Paolo Bonzini <bonzini@gnu.org>
date Mon, 29 Sep 2008 12:02:35 +0200
parents affb655993ea
children ca7f9b88efc1
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1 /* Substitute for <sys/select.h>.
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2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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17
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18 #ifndef _GL_SYS_SELECT_H
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19
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20 #if @HAVE_SYS_SELECT_H@
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21
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22 @PRAGMA_SYSTEM_HEADER@
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23
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24 /* On many platforms, <sys/select.h> assumes prior inclusion of
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25 <sys/types.h>. */
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26 # include <sys/types.h>
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27
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28 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
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29 of 'struct timeval', and no definition of this type.. */
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30 # include <sys/time.h>
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31
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32 /* The include_next requires a split double-inclusion guard. */
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33 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
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34
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35 #endif
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36
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37 #ifndef _GL_SYS_SELECT_H
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38 #define _GL_SYS_SELECT_H
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39
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40 #if !@HAVE_SYS_SELECT_H@
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41
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42 /* A platform that lacks <sys/select.h>. */
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43
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44 # include <sys/socket.h>
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45
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46 # if @HAVE_WINSOCK2_H@
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47
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48 # ifdef __cplusplus
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49 extern "C" {
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50 # endif
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51
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52 # undef select
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53 # define select rpl_select
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54 extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
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55
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56 # ifdef __cplusplus
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57 }
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58 # endif
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59
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60 # endif
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61
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62 #endif
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63
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64 #endif /* _GL_SYS_SELECT_H */
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65 #endif /* _GL_SYS_SELECT_H */