path: root/winsup/cygwin/ChangeLog

2012-05-08  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* DevNotes: Add entry cgf-000004.
	* pinfo.cc (pinfo::init): Reuse shared memory if the state is marked
	with PID_REAPED.
	* spawn.cc (child_info_spawn::worker): Don't duplicate myself_pinfo
	into non-cygwin child.

	* fork.cc (frok::parent): Improve error output.

2012-05-07  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* DevNotes: Add entry cgf-000003.
	* cygheap.h (init_cygheap::pid_handle): Delete.
	* dcrt0.cc (child_info_spawn::handle_spawn): Keep parent open if we
	have execed.
	* pinfo.cc (pinfo::thisproc): Remove pid_handle manipulations.
	(pinfo::init): Don't consider a reaped process to be available.
	* spawn.cc (child_info_spawn::worker): Remove pid_handle manipulations.
	Make wr_proc_pipe and parent noninheritable when starting a program
	which doesn't use the Cygwin DLL.  Conditionally reset wr_proc_pipe to
	inheritable if CreateProcess fails.  Inject wr_proc_pipe handle into
	non-Cygwin process.  Consider a non-cygwin process to be 'synced'.

2012-05-03  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* DevNotes: Add entry cgf-000002.
	* fhandler_tty.cc (bytes_available): Revert to previous Oct-2011
	behavior where a dummy buffer is used to determine how many bytes will
	be read.
	(fhandler_pty_master::ioctl): Correct coercion in assignment.

2012-05-03  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (get_adapters_addresses): Only create thread on affected
	systems.  Change comment acordingly.
	* wincap.h (wincaps::has_gaa_largeaddress_bug): New element.
	* wincap.cc: Implement above element throughout.
	(wincap_8): New globale wincaps to support Windows 8.
	(wincapc::init): Take Windows 8 into account.  Set new
	has_gaa_largeaddress_bug member to false on 32 bit systems.

2012-05-02  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* DevNotes: New file.  Add entry cgf-000001.
	* sigproc.cc (proc_terminate): Don't set parent pid of child to 1 if
	we've execed since the execed process is still considered the parent.

	* child_info.h: Bump copyright.

2012-05-02  Corinna Vinschen  <corinna@vinschen.de>

	* fenv.cc (fesetround): Fix test for valid input parameter.
	(fesetprec): Ditto.

2012-04-30  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (PIPE_ADD_PID): Define new flag.
	* pipe.cc (fhandler_pipe::create): Don't indiscriminately add process
	id to every pipe since some pipe names (fifo, tty) don't need it.
	* sigproc.cc (sigproc_init): Pass PIPE_ADD_PID to fhandler_pipe::create
	to ensure that pid is always part of sigwait pipe name.

2012-04-28  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* environ.cc (struct parse_thing): Add "pipe_byte" option.
	* globals.cc (pipe_byte): Declare.
	* pipe.cc (fhandler_pipe::create): Use current process id in pipe name
	rather than pid for simple name collision avoidance.  Do this only once
	to avoid extra overhead when a busy pipe is found.  Honor pipe_byte to
	create non-message pipes if set.
	* sigproc.cc (sigproc_init): Use a specific name for the signal pipe.

2012-04-27  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (find_fast_cwd_pointer): Fix for W8 CP 32 bit.

2012-04-25  Thomas Wolff  <towo@towo.net>

	* fhandler.h (class dev_console): Add member ext_mouse_mode5.
	* fhandler_console.cc (fhandler_console::read): Implement extended
	mouse mode 1005 (xterm, mintty).
	Fix actual mouse reporting for large coordinates.

2012-04-24  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 15.

2012-04-24  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_console.cc (ALT_PRESSED): Define earlier, never undefine.
	(CTRL_PRESSED): Ditto.
	(fhandler_console::read): Simplify expressions testing for pressed ALT
	or CTRL modifier keys.
	(get_nonascii_key): Ditto.

2012-04-24  Thomas Wolff  <towo@towo.net>

	* fhandler.h (class dev_console): Add members ext_mouse_mode6 and
	ext_mouse_mode15.
	* fhandler_console.cc (fhandler_console::read): Implement extended
	mouse modes 1015 (urxvt, mintty, xterm) and 1006 (xterm).  Recognize,
	but don't implement extended mouse mode 1005 (xterm, mintty).
	Support mouse coordinates greater than 222 (each axis).  Fix formatting.
	(fhandler_console::char_command): Initialize enhanced mouse reporting
	modes.

2012-04-21  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (fh_alloc): Only disallow opening of nonexistent on-disk
	device.
	* path.cc (path_conv::check): Remove PATH_KEPT_HANDLE setting.
	* path.h (path_types): Remove PATH_KEPT_HANDLE.
	(path_conv::kept_handle): Delete now-unneeded function.

2012-04-19  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (fh_alloc): Keep fh which was flagged as error if it is for
	an on-disk device and we were stating it.
	* path.cc (path_conv::check): Set PATH_KEPT_HANDLE.
	* path.h (path_types): Add PATH_KEPT_HANDLE.
	(path_conv::kept_handle): Implement.

2012-04-18  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (fhandler_base::nohandle): Revert to standard
	implementation.
	* dtable.cc (dtable::fixup_after_exec): Specifically reject releasing
	nohandle() type fhandlers rather than relying on contents of io_handle.
	(dtable::fixup_after_fork): Ditto.
	* fhandler_termios.cc: Add includes necessary for definitions of
	have_execed and have_execed_cygwin.
	(fhandler_termios::sigflush): Don't flush console input when we've
	started a non-Cygwin process.

2012-04-15  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* wincap.h: Rename assitant to assistant throughout.
	* wincap.cc: Ditto.
	* devices.in (exists_console): Use fhandler_console::exists () rather
	than raw test.
	* devices.cc: Regenerate.
	* fhandler.h (fhandler_console::exists): Define new function.
	* fhandler_console.cc (fhandler_console::need_invisible): Use
	fhandler_console::exists () rather than raw test.
	* spawn.cc: Rename assitant to assistant throughout.
	(child_info_spawn::worker): Simplify test for when to start a
	non-Cygwin process in its own process group.  Just do it whenever we
	start a non-Cygwin process.

2012-04-12  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* devices.in (exists_console): Allow /dev/con{sole,in,out} to be
	referenced if a console exists.
	* devices.cc: Regenerate.
	* fhandler_console.cc (fhandler_console::set_unit): Ditto.

2012-04-11  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (fhandler_base::stat_fixup): Fix inode numbers of
	non-device files in virtual fileysystems.

2012-04-07  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (cygwin_attach_handle_to_fd): Defend against NULL return
	from build_fh_*.
	(dtable::init_std_file_from_handle): Ditto.
	* mmap.cc (mmap_record::alloc_fh): Ditto.
	* path.cc (path_conv::check): Ditto.

2012-04-06  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (fhandler_base::nohandle): Implement "by hand" rather than
	through macro.  Set io_handle to INVALID_HANDLE_VALUE when setting flag
	to true.

2012-04-06  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* path.c (path_conv::check): Avoid directly referencing fields of the
	dev structure when it can be easily avoided.

2012-04-05  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 14.

2012-04-05  Corinna Vinschen  <corinna@vinschen.de>

	* passwd.cc (pwdgrp::read_passwd): Fix pretty_ls entry typo contain
	the required number of colons.

2012-04-04  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (fhandler_pty_common::bytes_available): Declare new
	function.
	(fhandler_pty_master::flush_to_slave): Ditto.
	* fhandler_tty.cc (bytes_available): Define new function.
	(fhandler_pty_common::bytes_available): Ditto.
	(handler_pty_master::flush_to_slave): Ditto.
	(fhandler_pty_master::process_slave_output): Call flush_to_slave ()
	here.  Use bytes_available () rather than PeekNamedPipe.  Clean up
	sloppy logic.
	(fhandler_pty_slave::read): Use bytes_available () rather than
	PeekNamedPipe.
	(fhandler_pty_slave::ioctl): Ditto.
	(fhandler_pty_master::ioctl): Ditto.
	(fhandler_pty_master::cleanup): Remove ancient #if 0.
	* select.cc (peek_pipe): Call flush_to_slave whenever we're checking
	for a pty master.

2012-04-04  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_nodevice.cc (fhandler_nodevice::open): Convert EROFS to
	ENOENT if non-existent file got opened for reading only.  Explain why.
	* path.cc (path_conv::check): Stick to ENOENT if file has been opened
	for informational purposes only.  Add to comment.

2012-04-04  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (path_conv::check): Convert device type to FH_FS for
	non-existent files on /dev, unless /dev itself doesn't exist on disk.
	Add comment to explain why.

2012-04-04  Corinna Vinschen  <corinna@vinschen.de>

	* hookapi.cc (rvadelta): Compute max_size using SizeOfRawData rather
	than VirtualSize.

2012-04-04  Corinna Vinschen  <corinna@vinschen.de>

	* passwd.cc (_getpass_close_fd): New static pthread cleanup handler.
	(getpass): Rework to use /dev/tty in the first place.  Install
	_getpass_close_fd as pthread cleanup handler.  Flush prompt explicitely.
	Lock input and switch off signal input handling when reading password.

2012-04-03  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 13.

2012-04-03  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (fhandler_base::stat_fixup): Replace string comparison
	with new device::is_dev_resident() call.

2012-04-02  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* devices.h (lives_in_dev): New field.
	(dev_on_fs): Set bit size.
	(is_dev_resident): Define new method.
	* devices.in: Use different method for labelling requested name for dev
	storage: prefix it with a ='.  Use an actual ':' to denote an internal
	device.
	(exists_console): Avoid repeated test.
	(exists_ntdev_silent): Rename from the less-descriptive exists_ntdevs.
	(dev_dev_storage): Delete unneeded define.
	* gendevices: Add a flag to each line denoting whether the device lives
	in /dev space.
	(generate): Handle special ":" case here for internal devices.  Parse
	=something_dev as requiring a storage location.  Tack the rest of the
	line back onto the reformulated "$rest".
	* devices.cc: Regenerate.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* devices.h (device::get_device): New method.
	* fhandler_dev.cc (fhandler_dev::readdir): Set st_ino to device number.
	* syscalls.cc (fhandler_base::stat_fixup): Ditto.  Fix link count for
	CD-ROM devices.  Fix typo in comment.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_base::stat_fixup): Rename from
	fhandler_base::set_ino_and_dev.
	* syscalls.cc (fhandler_base::stat_fixup): Ditto. Accommodate name
	change throughout.  Fixup link count of console devices.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* devices.h (FH_CYGDRIVE): Define as DEV_VIRTFS_MAJOR class device.
	(DEV_CYGDRIVE_MAJOR): Remove.
	(iscygdrive_dev): Define.
	* dtable.cc (fh_alloc): Accommodate above change.
	* path.cc (path_conv::check): Use iscygdrive_dev to check for cygdrive.
	* syscalls.cc (fhandler_base::set_ino_and_dev): Drop check for
	DEV_CYGDRIVE_MAJOR from conditional.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* devices.h (FH_DEV): Define as DEV_VIRTFS_MAJOR class device.
	(DEV_DEV_MAJOR): Remove.
	* dtable.cc (fh_alloc): Accommodate above change.
	* syscalls.cc (set_ino_and_dev): Drop check for DEV_DEV_MAJOR from
	conditional.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_base::set_ino_and_dev): Declare.
	* syscalls.cc (fhandler_base::set_ino_and_dev): New method to set
	st_ino, st_dev, and st_rdev for devices in a single spot.
	(fstat64): Call fhandler_base::set_ino_and_dev instead of setting
	st_ino, st_dev, and st_rdev here.
	(stat_worker): Ditto.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_dev::open): Declare.
	(fhandler_dev::close): Declare.
	(fhandler_dev::fstat): Declare.
	(fhandler_dev::fstatvfs): Declare.
	(fhandler_cygdrive::fstatvfs): Declare.
	* fhandler_dev.cc (fhandler_dev::open): New method.
	(fhandler_dev::close): Ditto.
	(fhandler_dev::fstat): Ditto.
	(fhandler_dev::fstatvfs): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_helper): Don't fill
	st_rdev.
	(fhandler_cygdrive::fstatvfs): New method.
	* path.h (path_conv::fs_got_fs): New method.
	* mount.h (fs_info::got_fs): Change type to bool, make public.

2012-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* mount.cc (fillout_mntent): Use "none" rather than 0 when checking
	FS type.

2012-04-01  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (dtable::fixup_close): Define new function.
	(dtable::fixup_after_exec): Use fixup_close() and detect when it was
	not possible to open an inherited file handle.
	(dtable::fixup_after_fork): Defensively close any file handles which
	were not, for some reason, inheritable.
	* dtable.h: Make #pragma once.
	(dtable::fixup_close): Declare new function.
	* fhandler_console.cc (fhandler_console::set_unit): Set I/O handles to
	NULL when this function fails.

2012-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_dev.cc (fhandler_dev::readdir): Fix formatting.  Simplify
	code.  Use device::type() to fetch dirent compatible device type.
	Add comment.

2012-03-31  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* devices.h (device::exists_func): Redefine field.
	(device::dev_on_fs): Remove unneeded bit field.  Just make a normal
	boolean.
	(device::exists): Redefine function.
	* devices.in: Move previous functions earlier since they are now only
	defined static.  Rename some functions due to an as-yet unresolved bug
	in gendevices.  Rename posix part of internal-only devices with a
	double-slash.  gendevices will eventuall translate that to a ":".
	(device::parse): Rework to use dev pointer and dev_storage_end.
	* devices.cc: Regenerate.
	* gendevices: Translate "// to ": after shilka processing.

2012-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* devices.cc: Regenerate.
	* devices.h (device::exists_func): New member function pointer,
	replacing noexpose.
	(device::expose): Remove.
	(device::exists_never): Declare.
	(device::exists_ptys): Declare.
	(device::exists_cons): Declare.
	(device::exists_console): Declare.
	(device::exists_nt_dev): Declare.
	(device::exists): Declare.
	* devices.in (dev_storage): Replace former noexpose values with
	pointers to matching exists_XXX method.
	(device::exists_never): New method.
	(device::exists_ptys): New method.
	(device::exists_cons): New method.
	(device::exists_console): New method.
	(device::exists_nt_dev): New method.
	(device::exists): New method.
	* fhandler_dev.cc (fhandler_dev::readdir): Replace call to
	device::expose with call to device::exists and drop all further
	existence filtering since it's done in device::exists now.
	* path.cc (path_conv::check): Replace call to device::expose with call
	to device::exists.

2012-03-30  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* devices.cc: Regenerate.
	* devices.h (device::noexpose): New field.
	(device::dev_on_fs): Make a bit field.
	(get_major): Use proper type for declaration.
	(expose): New field.
	(ext_dev_storage): Delete declaration.
	(dev_storage_size): Ditto.
	(dev_storage): New declaration.
	(dev_storage_end): Ditto.
	* devices.in: Mark /dev/ptym*, /dev/com*, /dev/pipe, /dev/fifo, and
	"/dev" as "no expose".
	* fhandler.h (fhandler_dev::lastrealpos): Delete declaration.
	(fhandler_dev::devidx): Declare new field.
	* fhandler_disk_file.cc: Move fhandler_dev functions into
	fhandler_dev.cc.
	* fhandler_dev.cc: Add includes needed for functions moved from
	fhandler_disk_file.cc.
	(dev_storage_scan_start): Define place to start listing devices.
	(dev_storage_size): Define size of array to scan.
	(fhandler_dev::fhandler_dev): Move here from fhandler_disk_file.cc.
	(fhandler_dev::opendir): Ditto.
	(fhandler_dev::readdir): Just check devidx for non-NULL to determine
	when to go to disk for /dev content.  Use dev_storage rather than
	ext_dev_storage.  Iterate over dev_storage using devidx pointer.  Use
	accessor functions rather than raw references to the device struct.
	Only increment dir->__d_position when we are actually going to be
	returning something.  Add debug_printf for exit.
	(fhandler_dev::rewinddir): Set devidx as appropriate depending on
	whether there's a /dev on disk or not.
	* gendevices: Don't mark dev_storage static but do put it in the _RDATA
	section.
	* path.cc (path_conv::check): Use new "device::expose()" function to
	decide to forbid programs from referencing internal device types.

2012-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* posix.sgml (std-notes): Change description of flock restrictions.

2012-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* devices.h (DEV_TTY_MAJOR): Define, use throughout where appropriate.
	(DEV_VIRTFS_MAJOR): Ditto.
	* fhandler_dev.cc (fhandler_dev::readdir): Add comments.  Tweak tests
	for invisible devices.  Don't print comX devices, only ttySX.  Drop
	requirement to call stat64.

2012-03-29  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (DLL_OFILES): Add fhandler_dev.o.
	* devices.h (DEV_DEV_MAJOR): Define.
	(FH_DEV): Redefine in terms of DEV_DEV_MAJOR.
	(ext_dev_storage): Declare.
	(dev_storage_size): Declare.
	(dev_dev_storage): Declare.
	(dev_dev): Define.
	(isdev_dev): Define.
	* devices.in (dev_dev_storage): Activate.
	(ext_dev_storage): Define as externally available pointer to
	dev_storage.
	(dev_storage_size): Define to contain number of dev_storage elements.
	* dir.cc (rmdir): Handle /dev as always not empty.
	* dtable.cc (fh_alloc): Handle DEV_DEV_MAJOR.
	* fhandler.h (fhandler_dev): New class, derived from fhandler_disk_file.
	(fhandler_union): Add fhandler_dev member.
	* fhandler_disk_file.cc (class __DIR_mounts): Handle /dev directory
	to make sure it always exists.
	* fhandler_dev.cc: New file implementing /dev.
	* globals.cc (ro_u_dev): New R/O unicode string.
	* path.cc (path_conv::check): Handle FH_DEV device.

2012-03-29  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler_console.cc (fhandler_console::set_unit): Don't succeed
	unless we are opening a console actually associated with this process.

2012-03-29  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (acl32): Fix potential crash if build_fh_name returns NULL.

2012-03-29  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* exceptions.cc (ctrl_c_handler): Don't generate a SIGINT if we've
	execed a non-cygwin process.  Let the Windows process deal with it
	itself.

2012-03-28  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* sigproc.cc (proc_terminate): Avoid releasing myself.

2012-03-28  Corinna Vinschen  <corinna@vinschen.de>

	* times.cc (clock_setres): Set minperiod to period.

2012-03-27  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_process.cc (process_tab): Add entry for mountinfo.
	(format_process_mountstuff): New function, derived from
	format_process_mounts.  Only open another user's user_info shared
	memory area if the process is owned by another user.  Actually
	access the opened shared user_info to get the right mount table.
	For other users, don't print remote cygdrive mount points.  Print
	mountinfo or mounts output depending on the bool mountinfo argument.
	(format_process_mounts): Just call format_process_mountstuff with
	mountinfo set to false.
	(format_process_mountinfo): Ditto with mountinfo set to true.

2012-03-27  Corinna Vinschen  <corinna@vinschen.de>

	* times.cc (clock_setres): Revert previous change.

2012-03-26  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_dev_clipboard): Add fstat method.
	* fhandler_clipboard.cc (cygcb_t): New type for Cygwin-specific
	clipboard format.
	(set_clipboard): Use new clipboard format to allow setting a timestamp.
	(fhandler_dev_clipboard::fstat): New method.  Read modification and
	access timestamp as well as length from clipboard data.
	(fhandler_dev_clipboard::read): Use new clipboard format.

2012-03-26  Corinna Vinschen  <corinna@vinschen.de>

	* hires.h (hires_ms::dmsecs): Drop unused method.
	* times.cc (JITTER): Remove.
	(gtod): Revert to process-local variable.
	(hires_ms::nsecs): Just return system time to disallow discrepancy with
	the OS.
	(hires_ms::resolution): Return coarsest timer value from OS.  Add
	comment to explain why.
	(clock_setres): Ditto.

2012-03-21  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* child_info.h: Reset magic number.

2012-03-21  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* child_info.h (child_info::postfork): Define new function.
	* fork.cc (frok::parent): Call postfork to do all of the manipulation
	required prior to calling pinfo::remember.
	* pinfo.h (pinfo::set_rd_proc_pipe): Just set pinfo's rd_proc_pipe.
	Don't bother setting it to NULL.
	* sigproc.cc (child_info_spawn::wait_for_myself): Call postfork to set
	up myself for waiting.
	* spawn.cc (child_info_spawn::worker): Avoid now-unnecessary global
	lock.  Consistently test mode rather than chtype when making
	wr_proc_pipe decisions.  Call postfork() to set up stuff prior to
	pinfo::remember.

2012-03-21  Corinna Vinschen  <corinna@vinschen.de>

	* cygtls.cc (well_known_dlls): Add advapi32.dll.

2012-03-21  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* child_info.h: Reset magic number.
	(child_info_spawn::wait_for_myself): Move function to sigproc.cc.
	* pinfo.cc (is_toplevel_proc): Delete unneeded variable.
	* sigproc.cc (child_info_spawn::wait_for_myself): Move function from
	header to here.  Do all setup required to properly wait for top-level
	execed process to exit.
	* spawn.cc (child_info_spawn::worker): Attempt to properly handle
	_P_DETACH.  Set wr_proc_pipe if top-level process even when execing.
	Just call wait_for_myself() to...  wait for myself.  Don't call cleanup
	twice.

2012-03-21  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* pinfo.cc (proc_waiter): Remove debugging.

2012-03-20  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (set_std_handle): Call SetStdHandle with NULL if fd is
	closed.
	(dtable::release): "Close" standard handle if appropriate.
	* dcrt0.cc (dll_crt0_0): Fix minor switch formatting problem.
	* fork.cc (frok::parent): Make minor comment indentation change.

2012-03-20  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (lseek): Fix debug output.

2012-03-20  Christian Franke  <franke@computer.org>

	* ntdll.h (SharedUserData): Add volatile qualifier. This fixes a
	possible infinite loop in hires_ms::timeGetTime_ns.

2012-03-20  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/socket.h: Fix definitions of MCAST_INCLUDE and
	MCAST_EXCLUDE.

2012-03-20  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* child_info.h (CURR_CHILD_INFO_MAGIC): Reset.
	(child_info::rd_proc_pipe): Declare new field.
	(child_info::wr_proc_pipe): Ditto.
	(child_info::prefork): Declare new function, derived from previous
	pinfo version.
	* dcrt0.cc (child_info_fork::handle_fork): Close previous wr_proc_pipe
	when appropriate and assign new one from passed-in child_info block.
	(child_info_spawn::handle_spawn): Assign our wr_proc_pipe handle from
	passed-in child_info block.
	* fork.cc (child_info::prefork): Define new function.
	(frok::child): Clear rd_proc_pipe and wr_proc_pipe so they will not be
	closed by the child_info destructor.
	(frok::parent): Use child_info prefork handling, outside of retry loop.
	Set rd_proc_pipe in child's pinfo after successful CreateProcess.
	Eliminate postfork call.
	* globals.cc (my_wr_proc_pipe): Define/declare new variable.
	* pinfo.cc (pinfo::pending_rd_proc_pipe): Delete.
	(pinfo::pending_wr_proc_pipe): Ditto.
	(pinfo::prefork): Ditto.
	(pinfo::postfork): Ditto.
	(pinfo::postexec): Ditto.
	(pinfo::wait): Assume that rd_proc_pipe is set up correctly prior to
	call.
	(_pinfo::alert_parent): Replace "wr_proc_pipe" with "my_wr_proc_pipe".
	* pinfo.h (_pinfo::_wr_proc_pipe): Delete declaration.
	(_pinfo::set_rd_proc_pipe): Define new function.
	(pinfo::pending_rd_proc_pipe): Delete declaration.
	(pinfo::pending_wr_proc_pipe): Ditto.
	(pinfo::prefork): Ditto.
	(pinfo::postfork): Ditto.
	(pinfo::postexec): Ditto.
	(pinfo::wr_proc_pipe): Ditto.
	* sigproc.cc (child_info::child_info): Clear rd_proc_pipe and
	wr_proc_pipe.
	(child_info::cleanup): Close rd_proc_pipe and
	wr_proc_pipe if necessary.
	(child_info_fork::child_info_fork): Set forker_finished to NULL by
	default.
	(child_info_spawn::child_info_spawn): Use my_wr_proc_pipe rather than
	myself->wr_proc_pipe.
	(child_info::sync): Ditto.
	(child_info_spawn::cleanup): Call child_info::cleanup.
	* spawn.cc (child_info_spawn::worker): Remove call to myself.prefork().
	Set wr_proc_pipe when execing or set up new rd_proc_pipe/wr_proc_pipe
	via child_info::prefork when spawning.  Remove call to pinfo::postexec.
	Set rd_proc_pipe in child pinfo when spawning.  Use my_wr_proc_pipe
	rather than myself->wr_proc_pipe.  Remove call to postfork.

2012-03-19  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* pinfo.cc (pinfo_init): Cosmetic change: unset "destroy" for myself.
	(pinfo::wait): Change some comments.
	(pinfo::prefork): Move a comment.
	(pinfo::postfork): Set pending_*_pipe variables to NULL if closed.
	(pinfo::postexec): Use right name when closing handle.
	(_pinfo::alert_parent): Ditto.
	* sigproc.h (hold_everything): Remove debugging label.

2012-03-19  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* cygserver_ipc.h: Include sigproc.h for signal_arrived declaration.

2012-03-19  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* cygprops.h: Use #pragma once.
	* mkglobals_h: Ditto for generated globals.h file.
	* globals.cc: Use specific NO_GLOBALS_H flag to control inclusion of
	globals.h.
	* winsup.h: Honor NO_GLOBALS_H to control inclusion of globals.h.  Make
	clear_procimptoken extern inline so that it is only defined when
	needed.

2012-03-19  Corinna Vinschen  <corinna@vinschen.de>

	* thread.cc (cancelable_wait): Don't malloc tbi, just make it a struct
	on the stack to avoid memory leak.

2012-03-19  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* pinfo.cc (pinfo::wait): Handle case where prefork was not called
	prior to calling wait().  This is the case when we are reabsorbing
	processes after being execed.

2012-03-16  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fork.cc (lock_signals): Move to sigproc.h.
	(lock_pthread): Ditto.
	(hold_everything): Ditto.
	(frok::parent): Call myself.prefork() just before calling
	CreateProcess.  Call myself.postfork () on function exit.
	* pinfo.cc (pinfo::pending_rd_proc_pipe): Define.
	(pinfo::pending_wr_proc_pipe): Ditto.
	(_pinfo::dup_proc_pipe): Delete.
	(pinfo::wait): Move pipe creation into pinfo::prefork.  Set pipe
	variables from pending_*.
	(_pinfo::sync_proc_pipe): Delete.
	(_pinfo::proc_pipe_owner): Ditto.
	(pinfo::prefork): Define new function.
	(pinfo::postfork): Ditto.
	(pinfo::postexec): Ditto.
	(_pinfo::alert_parent): Remove obsolete call to sync_proc_pipe.
	(_pinfo::dup_proc_pipe): Delete declaration.
	(_pinfo::sync_proc_pipe): Ditto.
	(pinfo::pending_rd_proc_pipe): Declare.
	(pinfo::pending_wr_proc_pipe): Ditto.
	(pinfo::prefork): Declare new function.
	(pinfo::postfork): Ditto.
	(pinfo::postexec): Ditto.
	(pinfo::wr_proc_pipe): Define new wrapper function.
	* sigproc.h: Include "sync.h".  Move locking functions from fork to
	here.
	* spawn.cc (child_info_spawn::worker): Delete now-unneeded requirement
	to record orig_wr_proc_pipe.  Call hold_everything prior to doing
	anything.  Call myself.prefork() if spawning.  Replace wr_proc_pipe
	synchronization with call to myself.postexec().  Call myself.postfork()
	if not execing.
	* sync.h: Replace #ifdef wrapper with "#pragma once".

2012-03-13  Corinna Vinschen  <corinna@vinschen.de>

	* hookapi.cc (hook_or_detect_cygwin): Change condition when to use
	importRVAMaxSize or importRVASize for the mapping size.  Make sure
	to map never more than the section size.  Change comments accordingly.

2012-03-13  Corinna Vinschen  <corinna@vinschen.de>

	* include/netdb.h (h_errno): Add self-referencing macro and comment.

2012-03-12  Corinna Vinschen  <corinna@vinschen.de>
	    Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (wait_return): Add overlapped_nullread.
	* fhandler.cc (fhandler_base_overlapped::wait_overlapped): Detect
	zero-byte read as a special case.
	(fhandler_base_overlapped::raw_read): Keep looping when zero-byte read
	detected without EOF.
	(fhandler_base_overlapped::raw_write): Quiet gcc warning by adding
	overlapped_nullread to switch statement even though it will never
	actually be hit.

2012-03-10  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (fh_alloc): Treat pc.dev as unsigned.
	* fhandler_console.cc (fhandler_console::set_unit): Use lock always to
	avoid races between competing cygwin processes running on the console.

2012-03-09  Corinna Vinschen  <corinna@vinschen.de>

	* hookapi.cc (find_first_notloaded_dll): Fix a compiler warning.

2012-03-09  Corinna Vinschen  <corinna@vinschen.de>

	* hookapi.cc (rvadelta): Add parameter to return maximum available
	size from start of import RVA table to end of section.
	(find_first_notloaded_dll): Take big executables into account.  Use
	offset and size computation as in hook_or_detect_cygwin, just simpler.
	(hook_or_detect_cygwin): Return NULL rather than false througout.
	Change computation of required mapping size to take non-gcc compilers
	into account.  Explain the differences and what we do against them.
	Don't alloca buf if fn is NULL.  Never use buf if fn is NULL.

2012-03-08  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (call_gaa): New thread function to call GetAdaptersAddresses.
	(get_adapters_addresses): Call call_gaa.  If necessary, call it as
	child thread.  Explain why that's necessary.

2012-03-08  Václav Zeman  <vhaisman@gmail.com>

	* path.cc (readlink): Avoid calling strlen() twice.

2012-03-07  Corinna Vinschen  <corinna@vinschen.de>

	* Throughout, replace usage of w32api's min with MIN from sys/param.h.

2012-03-07  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* pinfo.cc (_pinfo::dup_proc_pipe): Reorganize to provide more
	information for failing condition.
	(pinfo::wait): Pass name of function to dup_proc_pipe.  Eliminate error
	check for dup_proc_pipe since it never actually returned an error.
	* pinfo.h (_pinfo::dup_proc_pipe): Add an argument.
	* spawn.cc (child_info_spawn::worker): Pass name of function to
	dup_proc_pipe.

2012-03-07  Corinna Vinschen  <corinna@vinschen.de>

	* glob.cc (MAXPATHLEN): Reinstantiate with a value of 8192.

2012-03-05  Denis Excoffier  <cygwin@Denis-Excoffier.org>

	* pinfo.cc (_pinfo::dup_proc_pipe): Fix order of arguments in debug
	output.

2012-03-05  Corinna Vinschen  <corinna@vinschen.de>

	* init.cc (dll_entry): Move wincap.init call back from here...
	* dcrt0.cc (dll_crt0_0): ...to here.

2012-03-05  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.h (enum fcwd_version_t): Move here from path.cc.
	(class fcwd_access_t): Ditto.  Only declare methods.
	(class cwdstuff): Move fast_cwd_ptr and fast_cwd_version from shared
	DLL section here.
	* path.cc: Keep fcwd_access_t method definitions.
	(fcwd_access_t::fast_cwd_version): New method.
	(find_fast_cwd_pointer): Change comment.  Mention test on W8CP.
	(cwdstuff::init): Initialize fast_cwd_ptr and fast_cwd_version.

2012-03-05  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.cc (dll_list::operator[]): Extend comment a bit more to
	explain previous patch.

2012-03-04  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.cc (dll_list::alloc): Compare linked DLLs by basename only.
	Explain why.  Add code to check if a DLL with the same basename but
	different path is the same DLL.  Bail out if not.
	(in_load_after_fork): New static NO_COPY bool to allow to differ
	between linked and loaded DLL at fork.
	(dll_list::load_after_fork): Set in_load_after_fork accordingly.
	(dll_dllcrt0_1): Don't treat DLL as linked if in_load_after_fork is set.
	Drop test for in_forkee.

2012-03-04  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.cc: Revert pathname changes from 2012-02-08.
	(dll_list::operator[]): Add long comment to explain the misery.
	(dll_list::alloc): Skip long pathname prefix potentially returned by
	GetModuleFileNameW.
	* dll_init.h (dll_list::find_by_modname): Add back declaration.

2012-03-04  Corinna Vinschen  <corinna@vinschen.de>

	* winver.rc: Bump copyright date.

2012-03-03  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler_console.cc (fhandler_console::dup): Only set ctty when we
	haven't specifically called setsid.
	* fhandler_tty.cc (fhandler_pty_slave::dup): Ditto.  Also add comment
	documenting research into rxvt problem.
	* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Don't check
	specifically for myself->ctty == -1.  Test for > 0 as that is the
	correct test.
	(fhandler_termios::sigflush): Ditto.

2012-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (allow_others_to_sync): Reorder conditional expression to
	check for DACL presence first, since otherwise dacl pointer value is
	undefined.  Add comment.

2012-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (allow_others_to_sync): Use RtlGetDaclSecurityDescriptor
	rather than accessing the SECURITY_DESCRIPTOR structure directly.
	Take no DACL and NULL DACL into account.

2012-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_console.cc (fhandler_console::input_tcsetattr): Revert
	previous patch.
	(fhandler_console::open_setup): Install Ctrl-C handler here, if this
	console is the controlling tty and the process hasn't been started by
	a Cygwin process.

2012-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_console.cc (fhandler_console::input_tcsetattr): Set the
	state of the Ctrl-C handler depending on the setting of
	ENABLE_PROCESSED_INPUT.

2012-02-28  Eric Blake  <eblake@redhat.com>

	* include/sys/termios.h (tcgetsid): Fix return type.
	* termios.cc (tcgetsid): Likewise.
	* fhandler_termios.cc (fhandler_termios::tcgetsid): Likewise.
	* fhandler.h (fhandler_base): Likewise.
	* fhandler.cc (fhandler_base::tcgetsid): Likewise.

2012-02-28  Corinna Vinschen  <corinna@vinschen.de>

	* cygtls.cc (well_known_dlls): Add shlwapi.dll.

2012-02-27  Corinna Vinschen  <corinna@vinschen.de>

	* cygtls.cc (dll_cmp): New comparison function for bsearch.
	(well_known_dlls): New array containing well-known DLLs.
	(_cygtls::call2): Add code for BLODA detection.
	* net.cc (fdsock): Ditto.

2012-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* environ.cc (enum settings): Add setbool.  Rename justset to setdword
	to avoid future problems.
	(struct parse_thing): Change all justset to setbool for bool variables.
	(parse_options): Add a case for setbool setting for bool variables
	since justset (now setdword) always writes a DWORD value, thus
	overwriting adjacent memory locations.
	* external.cc (cygwin_internal): Drop extern declaration.

2012-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* environ.cc (dos_file_warning): Drop declaration.
	(ignore_case_with_glob): Ditto.
	(allow_winsymlinks): Ditto.
	(reset_com): Move definition to globals.cc.
	(struct parse_thing): Add "detect_bloda" option.
	* fhandler_serial.cc (fhandler_serial::open): Drop (incorrect)
	declaration of reset_com.
	* globals.cc (ignore_case_with_glob): Move definition into C++-only
	block.
	(dos_file_warning): Define.
	(allow_winsymlinks): Define.
	(reset_com): Define.
	(detect_bloda): Define.
	* path.cc (dos_file_warning): Drop definition here.
	(allow_winsymlinks): Drop definition here.

2012-02-26  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (LOCK_DIR_NAME_FMT): Define.
	(LOCK_DIR_NAME_LEN): Define.
	(LOCK_DIR_NAME_DEV_OFF): Define.
	(LOCK_DIR_NAME_INO_OFF): Define.
	(LOCK_OBJ_NAME_FMT): Define.  Add comment.
	(class lockf_t): Use bitsize-explicit types.  Declare from_obj_name,
	(class inode_t): Make use, unuse and inuse methods public.  Add a
	lock argument to get method declaration.
	(inode_t::get): Add lock argument.  Only lock node if lock arg is true.
	(inode_t::inode_t): Use LOCK_DIR_NAME_FMT as format string.
	(lockf_t::from_obj_name): New method to generate lockf_t content from
	lock event object basename.
	(inode_t::get_all_locks_list): Just call from_obj_name here and copy
	result into final lockf_t.
	(create_lock_obj_attr): Use LOCK_OBJ_NAME_FMT as format string.
	(create_lock_in_parent): New thread function to create lockf_t
	structure in parent process.
	(delete_lock_in_parent): New thread function to reap stale BSD locks in
	parent process.
	(lockf_t::create_lock_obj): Try to duplicate lock object handle into
	parent process and call create_lock_in_parent as parent remote thread.
	(lockf_t::del_lock_obj): Call delete_lock_in_parent as parent remote
	thread.
	(fhandler_disk_file::lock): Add lock arg to inode_t::get call.

2012-02-25  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* include/cygwin/version.h (CYGWIN_VERSION_DLL_MINOR): Bump to 12.

2012-02-21  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>

	* cygwin.din (scandirat): Export.
	* posix.sgml (std-gnu): Add scandirat.
	* syscalls.cc (scandirat): New function.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
	* include/sys/dirent.h (scandirat): Declare.

2012-02-21  Corinna Vinschen  <corinna@vinschen.de>

	Based on an idea from Nick Lowe <nick.lowe@gmail.com>:
	* shared.cc (shared_info::init_obcaseinsensitive): Check actual state
	of case sensitivity on post-Windows 2000 systems.
	* wincap.h (wincaps::kernel_is_always_casesensitive): New element.
	* wincap.cc: Implement above element throughout.

2012-02-20  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (inode_t::del_my_locks): Drop useless counter lc.  Close
	lock object handle explicitely in case of called during fork.  Add
	comment to explain why.
	* fork.cc (frok::child): Drop declaration of fixup_lockf_after_fork.

2012-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* timer.cc (getitimer): Don't create another local ret variable in
	timer_gettime calling branch.  Simplify conditional since timer_gettime
	always returns 0 or -1 anyway.

2012-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* ntdll.h (struct _PEB): Add EnvironmentUpdateCount member.
	* spawn.cc (child_info_spawn::worker): Speed up job recognition.  Expand
	comment to explain every little detail and so we never forget.
	* wincap.h (wincaps::has_program_compatibility_assitant): New element.
	* wincap.cc: Implement above element throughout.

2012-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* mount.cc (get_disk_type): Drop unneeded toupper call.  Convert case
	constants to wide chars.

2012-02-16  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (NetUseGetInfo): Define.
	* fhandler_disk_file.cc (fhandler_cygdrive::opendir): Rename flptst
	to drive.  Call new get_disk_type function rather than is_floppy and
	check SMB drives with the NetUseGetInfo function.  Explain why.
	* mount.cc (get_disk_type): New function to evaluate disk type from
	native NT device name.
	(is_floppy): Remove.
	* mount.h (enum disk_type): Define.
	(get_disk_type): Declare.
	* path.h (is_floppy): Drop declaration.

2012-02-15  Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc: Revert change from 2012-02-13 which used the
	Windows-provided stack rather than an own stack created in
	CygwinCreateThread.
	(struct thread_wrapper_arg): Rename commitsize to stacklimit.
	(CygwinCreateThread): Rename commitsize to real_stacklimit.

2012-02-15  Corinna Vinschen  <corinna@vinschen.de>

	* dtable.cc (dtable::init_std_file_from_handle): Use tmp_pathbuf for
	name.
	(handle_to_fn): Ditto for device.  Fix size in QueryDosDeviceW call.

2012-02-15  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* smallprint.cc (tmpbuf): Declare new class holding a static buffer,
	protected by a lock.
	(__small_vsprintf): Use tmpbuf to hold large buffer.
	(__small_vswprintf): Ditto.

2012-02-15  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (lf_setlock): Add timeout variable and set before calling
	WFMO.  Drop debug output if process is not available.  Set timeout to
	0 instead.  Document timeout 0 in WFMO comment.
	(lf_getblock): Drop invalid F_POSIX lock type shortcut.  Only return
	overlap if event is not signalled.  Fix comment.

2012-02-14  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* pinfo.cc (_pinfo::set_ctty): Revert 2012-02-07 change to skip
	function if tty in question == our ctty.

	* syscalls.cc (setsid): Avoid two function calls.

	* dtable.cc (dtable::dup_worker): Remove debugging.

	* init.cc (search_for): Calculate for every new process rather than
	using shared value.
	(threadfunc_ix): Fill in for every new process rather than sing shared
	value.

2012-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_cygdrive::fstat): Don't bother to
	set st_nlink correctly, just set it to 1 to avoid potential network
	timeouts.

2012-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* flock.cc (lf_setlock): Don't close waited lock object handle before
	we own the node lock.  Fix comment.

2012-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.cc (init_cygheap::init_installation_root): Convert function
	init_installation_root into a cygheap method.
	* cygheap.h (struct init_cygheap): Move installation_root,
	installation_key, and installation_key_buf from shared
	.cygwin_dll_common DLL section to cygheap.  Declare new method
	init_installation_root.
	* dtable.cc (handle_to_fn): Accommodate the move of installation strings
	to the cygheap.
	* external.cc (cygwin_internal): Ditto.
	* fhandler_console.cc (fhandler_console::open_shared_console): Ditto.
	* fhandler_mailslot.cc (fhandler_mailslot::get_object_attr): Ditto.
	* fhandler_tty.cc: Ditto, throughout.
	* mount.cc (mount_info::init): Ditto.
	* pipe.cc (fhandler_pipe::create): Ditto.
	* shared.cc: Ditto, throughout.
	(installation_root): Remove.
	(installation_key): Move to cygheap.
	(installation_key_buf): Ditto.
	(installation_root_inited): Remove.
	(SPIN_WAIT): Remove.
	(init_installation_root): Move to cygheap.
	(memory_init): Call cygheap->init_installation_root right after
	cygheap->user.init.  Drop call of init_installation_root function.
	* shared_info.h (init_installation_root): Drop declaration.
	(installation_root): Ditto.
	(installation_key): Ditto.
	* uinfo.cc (pwdgrp::load): Accommodate the move of installation strings
	to the cygheap.

2012-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* thread.cc: Drop including unused headers.

2012-02-13  Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc (struct thread_wrapper_arg): Convert char * to PBYTE.
	Change related casts throughout.
	(thread_wrapper): Only do the thread change if the application provided
	the stack.  Otherwise, just use the Windows-provided stack.  Set up
	POSIX guardpage here, if necessary.  Move related comment from
	CygwinCreateThread here.
	(CygwinCreateThread): Never allocate and set up own stack here.  Just
	compute stack size to reserve and use value in CreateThread call if
	stack hasn't been provided by the application.

2012-02-13  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (clean): Remove non-existent regexp dir.

	* collate.h: New header.
	(__collate_range_cmp): Declare.
	(__collate_load_error): Define.
	* glob.cc: Pull in latest version from FreeBSD.  Simplify and reduce
	Cygwin-specific changes.
	* regex/regcomp.c: Include collate.h on Cygwin as well.
	(__collate_range_cmp): Move from here...
	* nlsfuncs.cc (__collate_range_cmp): ...to here.

	* miscfuncs.cc (thread_wrapper): Fix typo in comment.
	(CygwinCreateThread): Take dead zone of Windows stack into account.
	Change the way how the stack is commited and how to handle guardpages.
	Explain how and why.
	* thread.h (PTHREAD_DEFAULT_STACKSIZE): Change definition.  Explain why.

2012-02-12  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>

	* include/pthread.h: Include time.h as required by POSIX.

2012-02-12  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* exception.h (stackdump): Declare.
	* exceptions.cc (stackdump): Rework to perform all operations needed
	for a stackdump and to avoid recursion.
	(exception::handle): Use simplified stackdump interface.
	* sigproc.cc (signal::exit): Ditto.  Delete now, uneeded declaration.

2012-02-11  Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc (DEFAULT_STACKSIZE): Remove.
	(CygwinCreateThread): Simplify code by assuming that now stack-related
	input values are undefined.  Set stack protection to PAGE_READWRITE,
	as is default on Windows.  Add lengthy comment to explain POSIX
	guardpage.
	* thread.cc (pthread_attr::pthread_attr): Initialize stacksize as
	PTHREAD_DEFAULT_STACKSIZE.  Initialize guardsize as
	PTHREAD_DEFAULT_GUARDSIZE.
	* thread.h (PTHREAD_DEFAULT_STACKSIZE): Define.  Add comment to explain.
	(PTHREAD_DEFAULT_GUARDSIZE): Define.

2012-02-10  Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc (DEFAULT_STACKSIZE): Set to 1 Megs.  Drop comment about
	RLIMIT_STACK.

	* registry.cc (get_registry_hive_path): Expect the user hive path to
	be never longer than MAX_PATH.  Don't prepend native NT path prefix
	here.  Add comment.
	(load_registry_hive): Prepend native NT path prefix here.  Additionally
	try to load user's classes hive.
	* uinfo.cc (cygheap_user::env_userprofile): Reduce size of
	userprofile_env_buf to MAX_PATH.  Add comment.

2012-02-10  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* syscalls.cc (setsid): On second thought, in the spirit of keeping
	things kludgy, set ctty to -2 here as a special flag, and...
	(open): ...only eschew setting O_NOCTTY when that case is detected.

2012-02-10  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* syscalls.cc (open): Semi-revert (?) to allowing open of a tty to
	become controlling tty if there is no controlling tty.

2012-02-09  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* exceptions.cc (setup_handler): Reduce system_printf to sigproc_printf
	since it is for a transient situation which will undoubtedly be
	handled.

2012-02-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::Audio_out::write): Set
	bytes_to_write to 0 in case it fits into the buffer, otherwise suffer
	early EOF in caller.

2012-02-09  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.h (struct dll): Re-add modname.
	* dll_init.cc: Throughout, use modname where it was used before.
	(dll_list::operator[]): Use modname.  Move comment from dll_list::alloc
	here and remove hint about GetModuleBaseNameW.
	(dll_list::alloc): Store full path in name, pointer to basename in
	modname.  Search dll using modname.

2012-02-08  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (dtable::init_std_file_from_handle): Reinstate opening tty
	handles with O_RDWR permissions.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* thread.cc (__pthread_cond_wait_init): New static function replacing
	__pthread_cond_dowait.  Only check and potentially initialize cond and
	mutex, drop call to (*cond)->wait.
	(pthread_cond_timedwait): Replace call to __pthread_cond_dowait with
	separate calls to __pthread_cond_wait_init and (*cond)->wait to be
	able to initialize cond before accessing its clock_id member.
	(pthread_cond_wait): Ditto (more or less).

2012-02-08  Christian Franke  <franke@computer.org>

	* include/sys/wait.h: Remove C++ inline functions for `union wait'.
	For C++ use `void *' as __wait_status_ptr_t instead.  This is less type
	safe but fixes compile error on `wait(NULL)'.  Remove extra `;'.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* sigproc.cc (child_info_fork::abort): Call TerminateProcess rather
	than ExitProcess.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (cygheap_user::env_userprofile): Simplify since network
	drives are not supported here.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* uinfo.cc (cygheap_user::env_userprofile): Convert native
	userprofile path returned from get_registry_hive_path to Win32 path.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.cc: Throughout, drop usage of modname in favor of name.
	(dll_list::find_by_modname): Remove.
	(dll_list::alloc): Only store module basename in name.  Add comment to
	explain why.  Simplify address check.  Fix formatting in comment.
	* dll_init.h (struct dll): Drop modname and find_by_modname.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* dll_init.cc (dll_list::alloc): Add DLL name to fabort output.  Fix
	fabort string in case of bss start.

2012-02-08  Corinna Vinschen  <corinna@vinschen.de>

	* include/sys/sysmacros.h: Include sys/types.h.

2012-02-07  Corinna Vinschen  <corinna@vinschen.de>

	* mount.cc (mount_info::create_root_entry): Fix format specifier in
	api_fatal message.

2012-02-07  Corinna Vinschen  <corinna@vinschen.de>

	* include/process.h: Move here from include/cygwin subdir.
	* exec.cc: Change include of process.h to reflect the fact that it's
	now back in include.
	* spawn.cc: Ditto.
	* syscalls.cc: Ditto.

2012-02-07  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* cygheap.cc (init_cygheap::manage_console_count): Delete.
	* cygheap.h (init_cygheap::manage_console_count): Ditto.
	(init_cygheap::console_count): Ditto.
	* fhandler.h (fhandler_console::has_a): Ditto.
	(fhandler_console::free_console): Declare new function.
	* fhandler_console.cc (fhandler_console::free_console): Define new
	function.
	(fhandler_console::open_setup): Delete call to manage_console_count.
	(fhandler_console::close): Ditto.  Replace with call to free_console().
	* fhandler_tty.cc (fhandler_pty_slave::open): Delete call to
	manage_console_count.
	(fhandler_pty_slave::cleanup): Ditto.
	(fhandler_pty_slave::close): Call fhandler_console::free_console() if
	this is our controlling tty.
	* pinfo.cc (_pinfo::set_ctty): Skip function if tty in question == our
	ctty.  Delete call to manage_console_count.

	* syscalls.cc (close_all_files): Avoid locking and avoid setting errno
	when iterating over fds.

2012-02-07  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* include/cygwin/version.h: Bump CYGWIN_VERSION_DLL_MINOR to 11.

2012-02-03  Václav Zeman  <vhaisman@gmail.com>

	* grp.cc (pwdgrp::parse_group): Convert grp from macro to reference.
	* passwd.cc (pwdgrp::parse_passwd): Ditto for res.

2012-02-02  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* syscalls.cc (close_all_files): Use cygheap_fdget to manipulate
	fhandler.  Use debug_only_printf.

2012-02-02  Corinna Vinschen  <corinna@vinschen.de>

	Fix memory and handle leaks due to fdopendir:
	* dir.cc (closedir): Call global close instead of just releasing the
	fhandler.
	* fhandler_disk_file.cc (fhandler_disk_file::closedir): Don't close
	fhandler handle here, rely on global closedir doing the right thing.
	* fhandler_registry.cc (fhandler_registry::readdir): Also delete
	d_hash when closing registry key.
	(fhandler_registry::rewinddir): Ditto.

	Avoid infinite recursion in VirtualStore under UAC:
	* fhandler_registry.cc (VIRT_CLASSES_KEY_PREFIX): Define.
	(VIRT_CLASSES_KEY_SUFFIX): Ditto.
	(VIRT_CLASSES_KEY): Ditto.
	(VIRT_CLASSES_LINKTGT): Ditto.
	(fhandler_registry::exists): Return virt_symlink as file type if
	this is a Classes key under the VirtualStore.
	(fhandler_registry::fstat): Handle virt_symlink.
	(fhandler_registry::readdir): Return DT_LNK as d_type if this is a
	Classes key under the VirtualStore.
	(fhandler_registry::fill_filebuf): Handle Classes symlink.

	Handle user impersonation in /proc/registry access:
	* autoload.cc (RegOpenUserClassesRoot): Define.
	(RegOpenCurrentUser): Define.
	* fhandler_registry.cc (RegOpenUserClassesRoot): Declare function
	missing in w32api.
	(RegOpenCurrentUser): Ditto.
	(fetch_hkey): New function.
	(fhandler_registry::open): Call fetch_hkey to get root registry key.
	(open_key): Ditto.

2012-02-01  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fcntl.cc (fcntl64): Add introductory debug statement.  Call dup3
	directly via dtable method to avoid over-incrementing refcnt.

2012-02-01  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (dtable::dup_worker): Add comment explaining why refcnt
	isn't incremented here.
	(dtable::dup3): Simplify slightly.  Add comment.
	* syscalls.cc (dup3): Increment refcnt here, similarly to dup2.

2012-02-01  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.cc (fhandler_base_overlapped::has_ongoing_io): Don't block
	GetOverlappedResult since previous IsEventSignalled will have reset the
	handle.
	* select.cc (cygwin_select): Remove space before parentheses in syscall
	debugging output.
	(pipe_data_available): Streamline if block.

2012-01-31  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* syscalls.cc (dup3): Fix debug typo.

	* fhandler.cc (flush_async_io): Assume only called for writer.  Call
	GetOverlappedResult directly rather than kludging call to
	has_ongoing_io.
	(fhandler_base_overlapped::close): Only start flush thread when closing
	write handle.  Only cancel I/O when reading.

2012-01-28  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din: Fix order (DATA first).

2012-01-27  Corinna Vinschen  <corinna@vinschen.de>

	* dcrt0.cc (is_dos_path): New macro to recognize drive letter and UNC
	DOS paths.
	(globify): Call is_dos_path instead of isdrive.

2012-01-26  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* sigproc.cc (child_info::retry_count): Default to 1.

2012-01-23  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (gethostid): Simplify.  Just fetch MachineGuid and
	create hash from there.

2012-01-22  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* fhandler.h (fhandler_fifo::arm): Declare new function.
	* fhandler_fifo.cc (fhandler_fifo::arm): Define new function.
	(fhandler_fifo::open): Fix handling of RDWR pipes to avoid opening a
	second handle.  Use arm() function to set events.
	(fhandler_fifo::raw_read): Correctly go into "connect again logic" when
	we detect another writer is available.  Use arm() function to set event.
	* pipe.cc (fhandler_pipe::create): Add more detail to debugging output.

2012-01-22  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* cygheap.h (cygheap_fdmanip::release): Simplify.
	* dtable.cc (dtable::release): Make void again.  Skip not_open check
	since it is guaranteed to be open.  Don't bother deleting here since
	actual deletion will be handled in cygheap_fdget::~cygheap_fdget.
	* dtable.h (dtable::release): Make void again.
	* syscalls.cc (dup2): Bump fhandler use count on successful dup.

2012-01-22  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* cygheap.h (cygheap_fdget::~cygheap_fdget): Simplify now that refcnt
	reports reference count changes itself.
	* fhandler.cc (fhandler_base::reset): Set _refcnt to 0.
	* fhandler.h (fhandler_base::refcnt): Report refcnt when debugging.

	* select.cc (cygwin_select): Set return_on_signal to indicate when
	select should be interrupted.
	(select_stuff::wait): Keep looping unless return_on_signal is set.
	* select.h (select_stuff::return_on_signal): New variable.
	(select_stuff::select_stuff): Zero return_on_signal.

2012-01-20  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_registry::opendir): Declare.
	* fhandler_registry.cc (fhandler_registry::opendir): New function.

2012-01-13  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>

	* include/cygwin/config.h (_GLIBC_EXTENSION): Define.

2012-01-11  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* spawn.cc (child_info_spawn::worker): Delete debugging.

2012-01-11  Christopher Faylor  <me.cygwin2012@cgf.cx>

	Update copyright on all files checked in so far this year.
	* fhandler.h: Use #pragma once rather than ifdef guards.
	(fhandler_console::tc_getpgid): Return our pgid if we have never opened
	a console.
	* fork.cc: Rearrange includes to accommodate fhandler.h use of pinfo.h.
	* sigproc.cc: Ditto.
	* spawn.cc: Ditto.
	(child_info_spawn::worker): Query myself->pgid rather than calling
	expensive function.
	* thread.h: Use #pragma once rather than ifdef guards.
	* pinfo.h: Use #pragma once rather than ifdef guards.
	(pinfo::remember): Don't define if sigproc.h has not been included.
	(pinfo::reattach): Ditto.
	* sigproc.h: Use #pragma once rather than ifdef guards.  Use different
	test to see if pinfo.h has been included.

2012-01-09  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/process.h: Move here from newlib.
	* exec.cc: Change include of process.h to reflect the fact that it's
	now in the include/cygwin subfolder.
	* spawn.cc: Ditto.
	* syscalls.cc: Ditto.

2012-01-09  Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc (thread_wrapper): Make sure stack is 16 byte aligned
	to make gcc-3 compiled pthread applications happy.

2012-01-08  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* dtable.cc (dtable::stdio_init): Always initialize console when we
	have one.
	* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Use a better
	method to print tty name for debugging.
	(fhandler_termios::bg_check): Ditto.
	* pinfo.cc (_pinfo::set_ctty): Remove leftover debugging stuff.
	Simplify behavior when setting tty's sid and pgid to avoid overwriting
	previously set values.

	* spawn.cc (ch_spawn): Cosmetic change.

2012-01-06  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>

	* cygwin.din (pthread_sigqueue): Export.
	* posix.sgml (std-gnu): Add pthread_sigqueue.
	* thread.cc (pthread_sigqueue): New function.
	* thread.h (pthread_sigqueue): New function.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.

2012-01-02  Christopher Faylor  <me.cygwin2012@cgf.cx>

	* path.cc (get_current_dir_name): Avoid memory leak.  Don't return PWD
	contents if directory doesn't actually exist.

2012-01-01  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>

	* cygwin.din (get_current_dir_name): Export.
	* path.cc (get_current_dir_name): New function.
	* posix.sgml (std-gnu): Add get_current_dir_name.
	* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.