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[gnulib.git] / lib / sys_select.in.h

diff --git a/lib/sys_select.in.h b/lib/sys_select.in.h
index 0567202..1fb2d94 100644 (file)
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -1,5 +1,5 @@
 /* Substitute for <sys/select.h>.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007-2009 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
@@ -15,6 +15,24 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+
+/* On OSF/1, <sys/types.h> and <sys/time.h> include <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
+
+# 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
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#else
+
 #ifndef _GL_SYS_SELECT_H
 
 #if @HAVE_SYS_SELECT_H@
@@ -23,6 +41,14 @@
    <sys/types.h>.  */
 # include <sys/types.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>
+
+/* On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
+   that relies on memset(), but without including <string.h>.  */
+# include <string.h>
+
 /* The include_next requires a split double-inclusion guard.  */
 # @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
 
@@ -37,7 +63,35 @@
 
 # include <sys/socket.h>
 
+/* The definition of GL_LINK_WARNING is copied here.  */
+
+# ifdef __cplusplus
+extern "C" {
+# 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 *);
+#  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
+
+# ifdef __cplusplus
+}
+# endif
+
 #endif
 
 #endif /* _GL_SYS_SELECT_H */
 #endif /* _GL_SYS_SELECT_H */
+#endif /* OSF/1 */