1 /* Substitute for <sys/select.h>.
2 Copyright (C) 2007-2011 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. */
19 @PRAGMA_SYSTEM_HEADER@
23 /* On OSF/1, <sys/types.h> and <sys/time.h> include <sys/select.h>.
24 Simply delegate to the system's header in this case. */
25 #if @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TYPES_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H) && defined _OSF_SOURCE
27 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H
28 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
30 #elif @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TIME_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H) && defined _OSF_SOURCE
32 # define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
33 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
37 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H
39 /* On many platforms, <sys/select.h> assumes prior inclusion of
40 <sys/types.h>. Also, mingw defines sigset_t there, instead of
41 in <signal.h> where it belongs. */
42 #include <sys/types.h>
44 /* Get definition of 'sigset_t'.
45 But avoid namespace pollution on glibc systems. */
46 #if !(defined __GLIBC__ && !defined __UCLIBC__)
50 #if @HAVE_SYS_SELECT_H@
52 /* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
53 of 'struct timeval', and no definition of this type.
54 Also, MacOS X, AIX, HP-UX, IRIX, Solaris, Interix declare select()
56 But avoid namespace pollution on glibc systems. */
58 # include <sys/time.h>
61 /* On AIX 7 and Solaris 10, <sys/select.h> provides an FD_ZERO implementation
62 that relies on memset(), but without including <string.h>.
63 But in any case avoid namespace pollution on glibc systems. */
64 # if (defined __OpenBSD__ || defined _AIX || defined __sun || defined __osf__ || defined __BEOS__) \
65 && ! defined __GLIBC__
69 /* The include_next requires a split double-inclusion guard. */
70 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
74 #ifndef _@GUARD_PREFIX@_SYS_SELECT_H
75 #define _@GUARD_PREFIX@_SYS_SELECT_H
77 #if !@HAVE_SYS_SELECT_H@
78 /* A platform that lacks <sys/select.h>. */
79 /* Get the 'struct timeval' and 'fd_set' types and the FD_* macros
81 # include <sys/time.h>
82 /* On HP-UX 11, <sys/time.h> provides an FD_ZERO implementation
83 that relies on memset(), but without including <string.h>. */
87 /* On native Windows platforms:
88 Get the 'fd_set' type. */
89 # if @HAVE_WINSOCK2_H@ && !defined _GL_INCLUDING_WINSOCK2_H
90 # define _GL_INCLUDING_WINSOCK2_H
91 # include <winsock2.h>
92 # undef _GL_INCLUDING_WINSOCK2_H
96 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
98 /* The definition of _GL_WARN_ON_USE is copied here. */
101 /* Fix some definitions from <winsock2.h>. */
103 #if @HAVE_WINSOCK2_H@
105 # if !GNULIB_defined_rpl_fd_isset
107 /* Re-define FD_ISSET to avoid a WSA call while we are not using
110 rpl_fd_isset (SOCKET fd, fd_set * set)
116 for (i = 0; i < set->fd_count; i++)
117 if (set->fd_array[i] == fd)
123 # define GNULIB_defined_rpl_fd_isset 1
127 # define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
131 /* Hide some function declarations from <winsock2.h>. */
133 #if @HAVE_WINSOCK2_H@
134 # if !defined _@GUARD_PREFIX@_UNISTD_H
135 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
137 # define close close_used_without_including_unistd_h
139 _GL_WARN_ON_USE (close,
140 "close() used without including <unistd.h>");
142 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
144 # define gethostname gethostname_used_without_including_unistd_h
146 _GL_WARN_ON_USE (gethostname,
147 "gethostname() used without including <unistd.h>");
150 # if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
151 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
153 # define socket socket_used_without_including_sys_socket_h
155 # define connect connect_used_without_including_sys_socket_h
157 # define accept accept_used_without_including_sys_socket_h
159 # define bind bind_used_without_including_sys_socket_h
161 # define getpeername getpeername_used_without_including_sys_socket_h
163 # define getsockname getsockname_used_without_including_sys_socket_h
165 # define getsockopt getsockopt_used_without_including_sys_socket_h
167 # define listen listen_used_without_including_sys_socket_h
169 # define recv recv_used_without_including_sys_socket_h
171 # define send send_used_without_including_sys_socket_h
173 # define recvfrom recvfrom_used_without_including_sys_socket_h
175 # define sendto sendto_used_without_including_sys_socket_h
177 # define setsockopt setsockopt_used_without_including_sys_socket_h
179 # define shutdown shutdown_used_without_including_sys_socket_h
181 _GL_WARN_ON_USE (socket,
182 "socket() used without including <sys/socket.h>");
183 _GL_WARN_ON_USE (connect,
184 "connect() used without including <sys/socket.h>");
185 _GL_WARN_ON_USE (accept,
186 "accept() used without including <sys/socket.h>");
187 _GL_WARN_ON_USE (bind,
188 "bind() used without including <sys/socket.h>");
189 _GL_WARN_ON_USE (getpeername,
190 "getpeername() used without including <sys/socket.h>");
191 _GL_WARN_ON_USE (getsockname,
192 "getsockname() used without including <sys/socket.h>");
193 _GL_WARN_ON_USE (getsockopt,
194 "getsockopt() used without including <sys/socket.h>");
195 _GL_WARN_ON_USE (listen,
196 "listen() used without including <sys/socket.h>");
197 _GL_WARN_ON_USE (recv,
198 "recv() used without including <sys/socket.h>");
199 _GL_WARN_ON_USE (send,
200 "send() used without including <sys/socket.h>");
201 _GL_WARN_ON_USE (recvfrom,
202 "recvfrom() used without including <sys/socket.h>");
203 _GL_WARN_ON_USE (sendto,
204 "sendto() used without including <sys/socket.h>");
205 _GL_WARN_ON_USE (setsockopt,
206 "setsockopt() used without including <sys/socket.h>");
207 _GL_WARN_ON_USE (shutdown,
208 "shutdown() used without including <sys/socket.h>");
215 # if @REPLACE_PSELECT@
216 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
218 # define pselect rpl_pselect
220 _GL_FUNCDECL_RPL (pselect, int,
221 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
222 struct timespec const *restrict, const sigset_t *restrict));
223 _GL_CXXALIAS_RPL (pselect, int,
224 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
225 struct timespec const *restrict, const sigset_t *restrict));
228 _GL_FUNCDECL_SYS (pselect, int,
229 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
230 struct timespec const *restrict, const sigset_t *restrict));
232 _GL_CXXALIAS_SYS (pselect, int,
233 (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
234 struct timespec const *restrict, const sigset_t *restrict));
236 _GL_CXXALIASWARN (pselect);
237 #elif defined GNULIB_POSIXCHECK
239 # if HAVE_RAW_DECL_PSELECT
240 _GL_WARN_ON_USE (pselect, "pselect is not portable - "
241 "use gnulib module pselect for portability");
246 # if @REPLACE_SELECT@
247 # if !(defined __cplusplus && defined GNULIB_NAMESPACE)
249 # define select rpl_select
251 _GL_FUNCDECL_RPL (select, int,
252 (int, fd_set *, fd_set *, fd_set *, struct timeval *));
253 _GL_CXXALIAS_RPL (select, int,
254 (int, fd_set *, fd_set *, fd_set *, struct timeval *));
256 _GL_CXXALIAS_SYS (select, int,
257 (int, fd_set *, fd_set *, fd_set *, struct timeval *));
259 _GL_CXXALIASWARN (select);
260 #elif @HAVE_WINSOCK2_H@
262 # define select select_used_without_requesting_gnulib_module_select
263 #elif defined GNULIB_POSIXCHECK
265 # if HAVE_RAW_DECL_SELECT
266 _GL_WARN_ON_USE (select, "select is not always POSIX compliant - "
267 "use gnulib module select for portability");
272 #endif /* _@GUARD_PREFIX@_SYS_SELECT_H */
273 #endif /* _@GUARD_PREFIX@_SYS_SELECT_H */