/* Substitute for <sys/select.h>.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 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
# if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
# endif
+@PRAGMA_COLUMNS@
/* On OSF/1, <sys/types.h> and <sys/time.h> include <sys/select.h>.
Simply delegate to the system's header in this case. */
/* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
of 'struct timeval', and no definition of this type.
+ Also, MacOS 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>
/* On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
that relies on memset(), but without including <string.h>.
- But avoid namespace pollution on glibc systems. */
-# ifndef __GLIBC__
+ But in any case avoid namespace pollution on glibc systems. */
+# if (defined __OpenBSD__ || defined __sun || defined __osf__ || defined __BEOS__) \
+ && ! defined __GLIBC__
# include <string.h>
# endif
#define _GL_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 native Windows platforms:
+ Get the 'fd_set' type. Also, gnulib's <sys/socket.h> redefines select
+ so as to hide the declaration from <winsock2.h>. */
# include <sys/socket.h>
+#endif
-/* The definition of GL_LINK_WARNING is copied here. */
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
-# ifdef __cplusplus
-extern "C" {
-# endif
-# if @GNULIB_SELECT@
-# if @HAVE_WINSOCK2_H@ || @REPLACE_SELECT@
+#if @GNULIB_SELECT@
+# if @HAVE_WINSOCK2_H@ || @REPLACE_SELECT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef select
# define select rpl_select
-extern int rpl_select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
# 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))
+_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
-
-# ifdef __cplusplus
-}
+_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 /* OSF/1 */