/* Substitute for <sys/select.h>.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
# if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
# endif
+@PRAGMA_COLUMNS@
-/* On OSF/1, <sys/types.h> and <sys/time.h> include <sys/select.h>.
+/* On OSF/1 and Solaris 2.6, <sys/types.h> and <sys/time.h>
+ both include <sys/select.h>.
+ On Cygwin, <sys/time.h> includes <sys/select.h>.
Simply delegate to the system's header in this case. */
-#if @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TYPES_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H) && defined _OSF_SOURCE
+#if (@HAVE_SYS_SELECT_H@ \
+ && ((defined __osf__ && defined _SYS_TYPES_H_ \
+ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H \
+ && defined _OSF_SOURCE) \
+ || (defined __sun && defined _SYS_TYPES_H \
+ && (! (defined _XOPEN_SOURCE || defined _POSIX_C_SOURCE) \
+ || defined __EXTENSIONS__))))
# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
-#elif @HAVE_SYS_SELECT_H@ && defined __osf__ && (defined _SYS_TIME_H_ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H) && defined _OSF_SOURCE
+#elif (@HAVE_SYS_SELECT_H@ \
+ && (defined _CYGWIN_SYS_TIME_H \
+ || (defined __osf__ && defined _SYS_TIME_H_ \
+ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H \
+ && defined _OSF_SOURCE) \
+ || (defined __sun && defined _SYS_TIME_H \
+ && (! (defined _XOPEN_SOURCE || defined _POSIX_C_SOURCE) \
+ || defined __EXTENSIONS__))))
# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
-#else
+/* On IRIX 6.5, <sys/timespec.h> includes <sys/types.h>, which includes
+ <sys/bsd_types.h>, which includes <sys/select.h>. At this point we cannot
+ include <signal.h>, because that includes <internal/signal_core.h>, which
+ gives a syntax error because <sys/timespec.h> has not been completely
+ processed. Simply delegate to the system's header in this case. */
+#elif @HAVE_SYS_SELECT_H@ && defined __sgi && (defined _SYS_BSD_TYPES_H && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H)
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
-#ifndef _GL_SYS_SELECT_H
+/* On OpenBSD 5.0, <pthread.h> includes <sys/types.h>, which includes
+ <sys/select.h>. At this point we cannot include <signal.h>, because that
+ includes gnulib's pthread.h override, which gives a syntax error because
+ /usr/include/pthread.h has not been completely processed. Simply delegate
+ to the system's header in this case. */
+#elif @HAVE_SYS_SELECT_H@ && defined __OpenBSD__ && (defined _PTHREAD_H_ && !defined PTHREAD_MUTEX_INITIALIZER)
-#if @HAVE_SYS_SELECT_H@
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#else
+
+#ifndef _@GUARD_PREFIX@_SYS_SELECT_H
/* On many platforms, <sys/select.h> assumes prior inclusion of
- <sys/types.h>. */
-# include <sys/types.h>
+ <sys/types.h>. Also, mingw defines sigset_t there, instead of
+ in <signal.h> where it belongs. */
+#include <sys/types.h>
+
+#if @HAVE_SYS_SELECT_H@
/* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
- of 'struct timeval', and no definition of this type. */
-# include <sys/time.h>
+ of 'struct timeval', and no definition of this type.
+ Also, Mac OS X, AIX, HP-UX, IRIX, Solaris, Interix declare select()
+ in <sys/time.h>.
+ But avoid namespace pollution on glibc systems. */
+# ifndef __GLIBC__
+# include <sys/time.h>
+# endif
-/* On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
- that relies on memset(), but without including <string.h>. */
-# include <string.h>
+/* On AIX 7 and Solaris 10, <sys/select.h> provides an FD_ZERO implementation
+ that relies on memset(), but without including <string.h>.
+ But in any case avoid namespace pollution on glibc systems. */
+# if (defined __OpenBSD__ || defined _AIX || defined __sun || defined __osf__ || defined __BEOS__) \
+ && ! defined __GLIBC__
+# include <string.h>
+# endif
/* The include_next requires a split double-inclusion guard. */
# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
#endif
-#ifndef _GL_SYS_SELECT_H
-#define _GL_SYS_SELECT_H
+/* Get definition of 'sigset_t'.
+ But avoid namespace pollution on glibc systems.
+ Do this after the include_next (for the sake of OpenBSD 5.0) but before
+ the split double-inclusion guard (for the sake of Solaris). */
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
+# include <signal.h>
+#endif
-#if !@HAVE_SYS_SELECT_H@
+#ifndef _@GUARD_PREFIX@_SYS_SELECT_H
+#define _@GUARD_PREFIX@_SYS_SELECT_H
+#if !@HAVE_SYS_SELECT_H@
/* A platform that lacks <sys/select.h>. */
+/* Get the 'struct timeval' and 'fd_set' types and the FD_* macros
+ on most platforms. */
+# include <sys/time.h>
+/* On HP-UX 11, <sys/time.h> provides an FD_ZERO implementation
+ that relies on memset(), but without including <string.h>. */
+# if defined __hpux
+# include <string.h>
+# endif
+/* On native Windows platforms:
+ Get the 'fd_set' type.
+ Get the close() declaration before we override it. */
+# if @HAVE_WINSOCK2_H@
+# if !defined _GL_INCLUDING_WINSOCK2_H
+# define _GL_INCLUDING_WINSOCK2_H
+# include <winsock2.h>
+# undef _GL_INCLUDING_WINSOCK2_H
+# endif
+# include <io.h>
+# endif
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+
+/* Fix some definitions from <winsock2.h>. */
-# include <sys/socket.h>
+#if @HAVE_WINSOCK2_H@
-/* The definition of GL_LINK_WARNING is copied here. */
+# if !GNULIB_defined_rpl_fd_isset
-# ifdef __cplusplus
-extern "C" {
+/* Re-define FD_ISSET to avoid a WSA call while we are not using
+ network sockets. */
+static int
+rpl_fd_isset (SOCKET fd, fd_set * set)
+{
+ u_int i;
+ if (set == NULL)
+ return 0;
+
+ for (i = 0; i < set->fd_count; i++)
+ if (set->fd_array[i] == fd)
+ return 1;
+
+ return 0;
+}
+
+# define GNULIB_defined_rpl_fd_isset 1
# endif
-# if @GNULIB_SELECT@
-# if @HAVE_WINSOCK2_H@ || @REPLACE_SELECT@
-# undef select
-# define select rpl_select
-extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+
+#endif
+
+/* Hide some function declarations from <winsock2.h>. */
+
+#if @HAVE_WINSOCK2_H@
+# if !defined _@GUARD_PREFIX@_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef close
+# define close close_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (close,
+ "close() used without including <unistd.h>");
+# endif
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# else
+ _GL_WARN_ON_USE (gethostname,
+ "gethostname() used without including <unistd.h>");
+# endif
+# endif
+# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef socket
+# define socket socket_used_without_including_sys_socket_h
+# undef connect
+# define connect connect_used_without_including_sys_socket_h
+# undef accept
+# define accept accept_used_without_including_sys_socket_h
+# undef bind
+# define bind bind_used_without_including_sys_socket_h
+# undef getpeername
+# define getpeername getpeername_used_without_including_sys_socket_h
+# undef getsockname
+# define getsockname getsockname_used_without_including_sys_socket_h
+# undef getsockopt
+# define getsockopt getsockopt_used_without_including_sys_socket_h
+# undef listen
+# define listen listen_used_without_including_sys_socket_h
+# undef recv
+# define recv recv_used_without_including_sys_socket_h
+# undef send
+# define send send_used_without_including_sys_socket_h
+# undef recvfrom
+# define recvfrom recvfrom_used_without_including_sys_socket_h
+# undef sendto
+# define sendto sendto_used_without_including_sys_socket_h
+# undef setsockopt
+# define setsockopt setsockopt_used_without_including_sys_socket_h
+# undef shutdown
+# define shutdown shutdown_used_without_including_sys_socket_h
+# else
+ _GL_WARN_ON_USE (socket,
+ "socket() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (connect,
+ "connect() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (accept,
+ "accept() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (bind,
+ "bind() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getpeername,
+ "getpeername() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockname,
+ "getsockname() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockopt,
+ "getsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (listen,
+ "listen() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recv,
+ "recv() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (send,
+ "send() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recvfrom,
+ "recvfrom() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (sendto,
+ "sendto() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (setsockopt,
+ "setsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (shutdown,
+ "shutdown() used without including <sys/socket.h>");
# endif
-# elif @HAVE_WINSOCK2_H@
-# undef select
-# define select select_used_without_requesting_gnulib_module_select
-# elif defined GNULIB_POSIXCHECK
-# undef select
-# define select(n,r,w,e,t) \
- (GL_LINK_WARNING ("select is not always POSIX compliant - " \
- "use gnulib module select for portability"), \
- select (n, r, w, e, t))
# endif
+#endif
-# ifdef __cplusplus
-}
+
+#if @GNULIB_PSELECT@
+# if @REPLACE_PSELECT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pselect
+# define pselect rpl_pselect
+# endif
+_GL_FUNCDECL_RPL (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+_GL_CXXALIAS_RPL (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# else
+# if !@HAVE_PSELECT@
+_GL_FUNCDECL_SYS (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# endif
+_GL_CXXALIAS_SYS (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# endif
+_GL_CXXALIASWARN (pselect);
+#elif defined GNULIB_POSIXCHECK
+# undef pselect
+# if HAVE_RAW_DECL_PSELECT
+_GL_WARN_ON_USE (pselect, "pselect is not portable - "
+ "use gnulib module pselect for portability");
# endif
+#endif
+#if @GNULIB_SELECT@
+# if @REPLACE_SELECT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef select
+# define select rpl_select
+# endif
+_GL_FUNCDECL_RPL (select, int,
+ (int, fd_set *, fd_set *, fd_set *, struct timeval *));
+_GL_CXXALIAS_RPL (select, int,
+ (int, fd_set *, fd_set *, fd_set *, struct timeval *));
+# else
+_GL_CXXALIAS_SYS (select, int,
+ (int, fd_set *, fd_set *, fd_set *, struct timeval *));
+# endif
+_GL_CXXALIASWARN (select);
+#elif @HAVE_WINSOCK2_H@
+# undef select
+# define select select_used_without_requesting_gnulib_module_select
+#elif defined GNULIB_POSIXCHECK
+# undef select
+# if HAVE_RAW_DECL_SELECT
+_GL_WARN_ON_USE (select, "select is not always POSIX compliant - "
+ "use gnulib module select for portability");
+# endif
#endif
-#endif /* _GL_SYS_SELECT_H */
-#endif /* _GL_SYS_SELECT_H */
+
+#endif /* _@GUARD_PREFIX@_SYS_SELECT_H */
+#endif /* _@GUARD_PREFIX@_SYS_SELECT_H */
#endif /* OSF/1 */