changelog-2000

cygwin, 著名的在win32下模拟unix操作系统的东东

	(cygheap_user::set_sid): Ditto.
	* cygheap.h (cygheap_root): New class.
	(cygheap_user): Ditto.
	(init_cygheap): Change type of `root' member to cygheap_root.
	Add `user' member.
	* dir.cc (opendir): Use new `cygheap_root' class.
	* dcrt0.cc (dll_crt0_1): Use new `cygheap_user' class.
	* fork.cc (fork_parent): Ditto.
	* grp.cc (getgroups): Ditto.
	* passwd.cc (search_for): Ditto.
	* path.cc: Use new `cygheap_root' class throughout.
	* pinfo.h (_pinfo): Remove `use_psid'. Move `username', `psid',
	`logsrv', `domain', `orig_{uid,gid}' and `real_{uid,gid}' to
	cygheap_user class.
	* security.cc: Use new `cygheap_user' class throughout.
	* shared.cc (sec_user): Ditto.
	* sigproc.cc (proc_subproc): Remove copy statements for user
	related information moved to `cygheap_user' class.
	* spawn.cc (spawn_guts): Invalidate current chroot settings
	when creating Windows environment. Use new `cygheap_user' class.
	* syscalls.cc: Use new `cygheap_user' class throughout.
	* uinfo.cc: Ditto.
	(internal_getlogin): Change parameters to reflect the
	move of user information to cygheap.

Tue Nov 14 17:05:00 2000  Eric Fifer <[e-mail]>

	* dir.cc (rewinddir): Always set __d_position = 0, so next
	call to readdir() will restart the directory scan.

Tue Nov 14 00:51:28 2000  Christopher Faylor <[e-mail]>

	* cygheap.h (init_cygheap): New struct holding values that live in the
	Cygwin heap.
	* child_info.h (child_info): Change pointer type of cygheap to
	init_cygheap.
	* cygheap.cc (init_cheap): Point cygheap_max after contents of cygheap.
	Move some stuff into cygheap.h.
	* dir.cc (opendir): Change to use root and rootlen in cygheap rather
	than in myself.
	(mkdir): Change to use umask in cygheap rather than in myself.
	* path.cc: Ditto, throughout.
	* syscalls.cc (_open): Ditto.  Change to use umask in cygheap rather
	than in myself.
	(chroot): Change to allocate root dir on the cygwin heap.
	(umask): Change to use umask in cygheap rather than in myself.
	(cygwin_bind): Ditto.
	* sigproc.cc (proc_subproc): Don't copy umask or root stuff as this
	happens automatically now.
	* pinfo.h (_pinfo): Migrate stuff out of here and into init_cheap.
	* dcrt0.cc (dll_crt0_1): Call cygheap_init later in startup for first
	cygwin process.

Sun Nov 12 23:01:35 2000  Christopher Faylor <[e-mail]>

	* path.cc (get_device_number): Allow /dev/ttySn to designate a com
	port.

Sat Nov 11 23:55:19 2000  Christopher Faylor <[e-mail]>

	* path.h: Add __attribute__ ((regparm(x))) to commonly used functions.
	* pinfo.h: Ditto.
	* sigproc.h: Ditto.
	* sync.h: Ditto.

Fri Nov 10 13:48:44 2000 Bradley A. Town <[e-mail]>

	* dcrt0.cc: New global variable `ignore_case_with_glob'.
	(dll_crt0_1): Disable case-insensitive globbing before calling `main'.
	* environ.cc (glob_init): New static function to set or clear
	`ignore_case_with_glob'.
	(known): Changed "glob" entry to call `glob_init'.
	* glob.c (match): Use case-insensitive globbing if needed.

Thu Nov  9 14:30:00 2000  Corinna Vinschen <[e-mail]>

	* dir.cc (readdir): Avoid reading from the beginning when
	readdir is called after a previous call has returned NULL.

Wed Nov  8 21:00:31 2000  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Deal with pending newline in pty_master.

Wed Nov  8 15:35:32 2000  Christopher Faylor <[e-mail]>

	* environ.cc (_addenv): malloc space for setenv if cygwin1.dll is used
	in conjunction with older binaries.
	(environ_init): Ditto.

Wed Nov  8 08:49:27 2000 Jason Tishler <[e-mail]>

	* external.cc (get_cygdrive_info): New function.
	* external.cc (get_cygdrive_prefixes): Change to use get_cygdrive_info
	but toss the user and system flags.
	* external.cc (cygwin_internal): Add new CW_GET_CYGDRIVE_INFO case.
	* path.cc (mount_info::get_cygdrive_prefixes): Remove method.
	* path.cc (mount_info::get_cygdrive_info): New method.  Actually,
	get_cygdrive_info is really an enhanced version of
	get_cygdrive_prefixes renamed to get_cygdrive_info that also gets the
	user and system flags.
	* shared_info.h (get_cygdrive_prefixes): Remove method.
	* shared_info.h (get_cygdrive_info): New method.
	* include/cygwin/version.h: Bump minor API version due to adding
	CW_GET_CYGDRIVE_INFO to cygwin_internal.
	* include/sys/cygwin.h (cygwin_getinfo_types): Add
	CW_GET_CYGDRIVE_INFO.

Tue Nov  7 20:58:00 2000  Corinna Vinschen <[e-mail]>

	* autoload.cc: Add autoload statement for `WSASetLastError'.
	* net.cc (cygwin_connect): Change error code to WSAEINPROGRESS
	when connect returns WSAEWOULDBLOCK.

Mon Nov  6 15:11:57 2000  Christopher Faylor <[e-mail]>

	* dcrt0.cc (sigthread::init): Reinstitute sigthread lock as a critical
	section.
	(dll_crt0_1): Move sigthread lock initialization to earlier in startup.
	* exceptions.cc (interrupt_on_return): Remove previous kludgy attempt
	to detect an invalid frame.
	(call_handler): Eliminate inner for loop.  Grab signal critical section
	lock where appropriate.
	* sigproc.cc (proc_subproc): Restore uid setting.
	* sigproc.h (sigthread): Reinstitute sigthread lock as a critical
	section.
	(sigframe): Grab the sigthread lock before clearing frame to avoid
	having the signal thread use an invalid frame.

Mon Nov  6 11:11:42 2000 Jason Tishler <[e-mail]>

	* path.cc (mount_info::read_cygdrive_info_from_registry): Use
	CYGWIN_INFO_CYGDRIVE_PREFIX, CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX, and
	CYGWIN_INFO_CYGDRIVE_FLAGS.
	* path.cc (mount_info::write_cygdrive_info_to_registry): Use
	CYGWIN_INFO_CYGDRIVE_PREFIX and CYGWIN_INFO_CYGDRIVE_FLAGS.
	* path.cc (mount_info::remove_cygdrive_info_from_registry): Ditto.
	* path.cc (mount_info::get_cygdrive_prefixes): Use
	CYGWIN_INFO_CYGDRIVE_PREFIX.
	* include/cygwin/version.h: Add CYGWIN_INFO_CYGDRIVE_FLAGS,
	CYGWIN_INFO_CYGDRIVE_PREFIX, and CYGWIN_INFO_CYGDRIVE_DEFAULT_PREFIX.

Mon Nov  6 11:10:44 2000  Jason Tishler <[e-mail]>

	* errno.cc (strerror): Change EAGAIN case to return "Resource
	temporarily unavailable" instead of "No more processes".

Mon Nov  6 01:04:35 2000  Christopher Faylor <[e-mail]>

	* child_info.h (child_info): Add pppid_handle for closing the parent's
	parent handle.
	* dcrt0.cc (_dll_crt0): Close parent's parent handle when spawned or
	forked.
	* debug.cc (add_handle): Correct erroneous reference to handle
	structure when printing warning.
	* exceptions.cc (interrupt_now): Always return 1.
	(interrupt_on_return): Accept a sigthread argument.  Check to see if
	this argument has been trashed prior to setting up the stack return.
	(call_handler): Add a loop around attempts to dispatch signals to
	detect case where interrupt_on_return fails.
	(_sigdelayed): Set up a temporary frame pointer prior to calling stuff
	that could trigger an interrupt or the stack walking code will be very
	confused.
	* fork.cc (fork_parent): Move a lot of the setup of the child process
	into proc_subproc.
	* spawn.cc (spawn_guts): Ditto.  Use ppid_handle to contact logical
	parent when reparenting execed process.
	* pinfo.h (_pinfo): Remember the logical handle of the parent process.
	* sigproc.cc (proc_subproc): Record most stuff necessary for the _pinfo
	structure that is inferrable from myself when adding children.
	(wait_sig): Always set 'pending_signals' flag when about to kick off
	the signal scanning loop.  Reset it only if there are no pending
	signals.

Sun Nov  5 13:46:23 2000  Christopher Faylor <[e-mail]>

	* pinfo (wait_subproc): Son of neverending debug tweaking.

Sun Nov  5 11:45:15 2000  Christopher Faylor <[e-mail]>

	* pinfo (wait_subproc): Neverending debug tweaking.

Sun Nov  5 01:34:51 2000  Christopher Faylor <[e-mail]>

	* pinfo.cc (winpids:add): New method.
	(winpids::enumNT): New method renamed from EnumProcessesNT.
	Use add method to add elements to the lists.
	(winpids::enum9x): New method renamed from EnumProcesses9x.
	Use add method to add elements to the lists.
	(winpids::enum_init): Accept 'winpid' parameter to control whether
	to add all windows pids to the list.
	(winpids::release): New method.
	* pinfo.h (winpids): Reflect above changes.
	* signal.cc (kill_pgrp): Ditto.
	* external.cc (fillout_pinfo): Ditto.

Sat Nov  4 22:07:03 2000  Christopher Faylor <[e-mail]>

	* exceptions.cc (handle_sigsuspend): Record frame here for signalling.
	(set_process_mask): Ditto.

Sat Nov  4 14:24:10 2000  Christopher Faylor <[e-mail]>

	* sigproc.cc (wait_subproc): Still more debugging cleanup.

Sat Nov  4 00:51:38 2000  Christopher Faylor <[e-mail]>

	* pinfo.cc (EnumProcessesNT): Avoid 0 pids.
	(EnumProcesses9x): Ditto.
	* sigproc.cc (remove_child): Eliminate.
	(proc_subproc): Move remove_child stuff here.
	(wait_subproc): Synchronize with proc_subproc when error occurs.  Add
	more debugging info.
	* sigproc.h (procstuff): Add an entry.
	* spawn.cc (spawn_guts): Add sigframe here.

Fri Nov  3 20:07:14 2000  Christopher Faylor <[e-mail]>

	* sigproc.cc (wait_subproc): Refine debug output.

Thu Nov  2 23:01:20 2000  Christopher Faylor <[e-mail]>

	* pinfo.cc (pinfo::init): Reverse order of setting status and pid info
	in an execed process to avoid a race.
	* sigproc.cc (wait_subproc): Print more info when a WFSO error occurs.
	* automode.c: New file.
	* syscalls.cc (close_all_files): Streamline slightly.
	* cygheap.cc (ccalloc): Clear *entire* allocated array.

Thu Nov  2 01:58:03 2000  Christopher Faylor <[e-mail]>

	* ntdll.h: Remove IO_COUNTERS definition since it is now in winnt.h.

Thu Nov  2 00:10:23 2000  Christopher Faylor <[e-mail]>

	* pinfo.cc (EnumProcessesNT): New function.  Eliminates dependence on
	psapi.h.
	(EnumProcesses9x): Rename from EnumProcessesW95.  Change arguments to
	be more useful for cygwin.
	(winpids::init): Accommodate argument changes.
	(enum_init): Ditto.
	* pinfo.h (winpids): Make pidlist dynamically extendable by storing it
	as a pointer and remembering the size.
	* ntdll.h: Add extra definitions needed for EnumProcessesNT.  Reformat
	via 'indent'.

Wed Nov  1 21:08:23 2000  Christopher Faylor <[e-mail]>

	* exceptions.cc (interruptible): Remove obsolete tests.
	(sigreturn): Construct pseudo-frame-pointer so that signal handler can
	figure out where to put return address when signals are coming in
	quickly.
	* path.cc (cwdstuff::get): Allow length 0 buffer length when buffer
	when NULL.

Tue Oct 31 18:12:56 2000  Christopher Faylor <[e-mail]>

	* path.h (has_exec_chars): Standard function for checking for
	executable magic numbers.
	* path.cc (symlink_info::check): Use the above function.
	* fhandler.cc (fhandler_disk_file::open): Ditto.

Tue Oct 31 17:57:52 2000  Christopher Faylor <[e-mail]>

	* path.cc (_readlink): Return ENOENT when file does not exist.

Tue Oct 31 23:35:00 2000  Corinna Vinschen <[e-mail]>

	* fhandler.h (fhandler_dev_raw): Add method `fixup_after_exec'.

Tue Oct 31 22:39:00 2000  Corinna Vinschen <[e-mail]>

	* fhandler.h (fhandler_dev_raw): Add definition for method
	`fixup_after_fork'.
	* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Add
	`set_need_fixup_after_fork' call.
	(fhandler_dev_raw::~fhandler_dev_raw): Revert to user space
	allocation.
	(fhandler_dev_raw::open): Ditto.
	(fhandler_dev_raw::dup): Ditto. Reset buffer pointer.
	(fhandler_dev_raw::fixup_after_fork): New function.
	* fhandler_tape.cc (fhandler_dev_tape::open): Revert to user space
	memory allocation.
	(fhandler_dev_tape::ioctl): Ditto. Change behaviour on MTSETBLK when
	new size is 1.

Tue Oct 31 20:56:00 2000  Corinna Vinschen <[e-mail]>

	* fhandler_tape.cc (fhandler_dev_tape::open): Fix memory allocation.
	Use Cygwin heap instead of user heap.
	(fhandler_dev_tape::ioctl): Ditto.

Tue Oct 31 12:00:06 2000  Christopher Faylor <[e-mail]>

	* pinfo.cc (enum_init): Don't suffer silently if we can't load the
	process enumerators.

Mon Oct 30 16:54:26 2000  Christopher Faylor <[e-mail]>

	* signal.cc (kill_pgrp): Revert 25-Oct change.
	(kill_worker): Ditto.

Sun Oct 29 20:52:31 2000  Christopher Faylor <[e-mail]>

	* include/cygwin/version.h: Bump DLL minor version number to 6.

Sat Oct 28 01:39:53 2000  Christopher Faylor <[e-mail]>

	* configure.in: Eliminate subdir stuff.
	* configure: Regenerate.
	* include/getopt.h (option): Make name field 'const'.

Fri Oct 27 20:51:00 2000  Corinna Vinschen <[e-mail]>

	* autoload.cc: New file keeping all autoload stuff.
	* Makefile.in: Add autoload.o to dependencies.
	* dcrt0.cc: Move all autoload stuff to autoload.cc.
	* fhandler_mem.cc: Ditto.
	* net.cc: Ditto.
	* uinfo.cc: Ditto.

Fri Oct 27 11:37:20 2000  Christopher Faylor <[e-mail]>

	* sigproc.cc (wait_sig): Add braces to avoid confusion.

Fri Oct 27 11:48:00 2000  Corinna Vinschen <[e-mail]>

	* fhandler_socket.cc: New file.
	* Makefile.in: Add fhandler_socket.o to dependencies.
	* fhandler.h: Change comment.
	* net.cc Move all fhandler_socket methods to fhandler_socket.cc.
	* winsup.h: Add declaration for `ws2_32_handle'.