Drop NT4 support.

	* autoload.cc (DnsQuery_A): Fatal if not available.
	(DnsRecordListFree): Ditto.
	(DsGetDcNameW): Ditto.
	(NetGetAnyDCName): Remove.
	(NetGetDCName): Remove.
	(EnumProcessModules): Fatal if not available.
	(GetModuleFileNameExW): Ditto.
	(GetModuleInformation): Ditto.
	(GetProcessMemoryInfo): Ditto.
	(QueryWorkingSet): Ditto.
	(LsaRegisterLogonProcess): Ditto.
	* fenv.cc (_feinitialise): Drop supports_sse condition.
	* fhandler_disk_file.cc (path_conv::isgood_inode): Fix comment.
	(fhandler_base::fstat_by_name): Drop has_fileid_dirinfo condition.
	(fhandler_disk_file::opendir): Ditto.
	* fhandler_netdrive.cc (fhandler_netdrive::readdir): Fix comment.
	* fhandler_proc.cc (format_proc_partitions): Drop NT4-only code.
	* fhandler_process.cc (get_process_state): Ditto.
	* kernel32.cc (GetWindowsDirectoryW): Remove.
	(GetWindowsDirectoryA): Remove.
	* miscfuncs.cc (nice_to_winprio): Drop NT4-only code.
	* mount.cc (fs_info::update): Fix comments.
	* net.cc (get_2k_ifs): Drop NT4-only code.
	* sec_auth.cc (get_logon_server): Ditto.
	(lsaauth): Drop NT4-specific error handling.
	* security.cc (alloc_sd): Set SE_DACL_PROTECTED unconditionally.
	* select.cc (select_stuff::wait): Always use MWMO_INPUTAVAILABLE.
	(peek_windows): Drop NT4-only condition in call to PeekMessage.
	* syscalls.cc (gethostid): Remove NT4-only workaround.
	* wincap.cc: Througout, drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse from
	wincaps.
	(wincap_nt4sp4): Remove.
	(wincap_minimal): Set to wincap_2000.
	(wincapc::init): Rely on availability of OSVERSIONINFOEX structure.
	Treat error from GetVersionEx as fatal.  Treat NT4 as fatal.
	* wincap.h (struct wincaps): Drop has_dacl_protect,
	has_broken_if_oper_status, has_process_io_counters,
	has_terminal_services, has_extended_priority_class, has_guid_volumes,
	has_fileid_dirinfo, has_mwmo_inputavailable and supports_sse flags
	and methods.
	* winlean.h (GetWindowsDirectoryW) Define as GetSystemWindowsDirectoryW.
	(GetWindowsDirectoryA): Define as GetSystemWindowsDirectoryA.

1 files changed, 4 insertions, 14 deletions

diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 87b8d15b1..4389b8e66 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -1,7 +1,7 @@
 /* select.cc
 
    Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
+   2005, 2006, 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
 
 This file is part of Cygwin.
 
@@ -290,14 +290,11 @@ select_stuff::wait (fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
 	/* Using MWMO_INPUTAVAILABLE is the officially supported solution for
 	   the problem that the call to PeekMessage disarms the queue state 
 	   so that a subsequent MWFMO hangs, even if there are still messages
-	   in the queue.  Unfortunately this flag didn't exist  prior to Win2K,
-	   so for NT4 we fall back to a different usage of PeekMessage in
-	   peek_windows.  See there for more details. */
+	   in the queue. */
 	wait_ret =
 	  MsgWaitForMultipleObjectsEx (m, w4, ms,
 				       QS_ALLINPUT | QS_ALLPOSTMESSAGE,
-				       wincap.has_mwmo_inputavailable ()
-				       ? MWMO_INPUTAVAILABLE : 0);
+				       MWMO_INPUTAVAILABLE);
 
       switch (wait_ret)
       {
@@ -1542,14 +1539,7 @@ peek_windows (select_record *me, bool)
   if (me->read_selected && me->read_ready)
     return 1;
 
-  /* On NT4 we use a filter pattern which allows to use QS_ALLPOSTMESSAGE
-     to keep the queue state as unread.  Note that this only works if the
-     application itself does not call PeekMessage or GetQueueState the wrong
-     way.  But there's no way around it.  On Win2K and later we rather use
-     MsgWaitForMultipleObjectsEx(MWMO_INPUTAVAILABLE). */
-  if (PeekMessage (&m, (HWND) h, 0,
-		   wincap.has_mwmo_inputavailable () ? 0 : UINT_MAX - 1,
-		   PM_NOREMOVE))
+  if (PeekMessage (&m, (HWND) h, 0, 0, PM_NOREMOVE))
     {
       me->read_ready = true;
       select_printf ("window %d(%p) ready", me->fd, me->fh->get_handle ());