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Drop NT4 support.

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* 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.
This commit is contained in:
Corinna Vinschen
2011-04-04 12:23:36 +00:00
parent 02dbd9ae87
commit 6ce541281e
18 changed files with 98 additions and 288 deletions
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18
winsup/cygwin/select.cc
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@@ -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 ());