changelog-1999

cygwin, 著名的在win32下模拟unix操作系统的东东

	(fhandler_console::write_normal): Add various fixes for console
	scrolling.

Wed Aug 18 16:18:22 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc: Add more precise end-of-process detection.

Wed Aug 18 00:03:47 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (sig_send): Work around apparent Windows bug which
	occasionally results in bogus error messages when a signal is
	dispatched.

1999-08-17  DJ Delorie  <[e-mail]>

	* localtime.c (tzsetwall): Deduce TZ more accurately.

Tue Aug 17 18:00:03 1999  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Correct detection of process group for
	backgrounded processes.

Tue Aug 17 10:24:49 1999  Christopher Faylor <[e-mail]>

	* include/winnt.h: Fix typo in IMAGE_FIRST_SECTION definition.

Sun Aug 15 19:11:49 1999  Mumit Khan  <[e-mail]>

	* gcrt0.c (__eprol): Avoid namespace pollution.
	(_monstartup): Turn into a constructor function and prevent multiple
	invocations.

Mon Aug 16 10:03:00  Corinna Vinschen  <[e-mail]>

	* utils/mkgroup.c: Correct call to LookupAccountSid for retrieval of
	'None'.

Mon Aug 16 00:24:29 1999  Christopher Faylor <[e-mail]>

	* debug.cc (locker): Improve signal mutex locking.
	* exceptions.cc (sig_handle): Pass STOP signals to call_handler to
	ensure honoring of signal_mutex.
	(call_handler): Move STOP code here after acquistion of signal_mutex.
	* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Track
	lockers for debugging.
	(fhandler_tty_common::__release_output_mutex): Ditto.
	(fhandler_slave::write): Fix faulty signal blocking code.
	* fork.cc (fork_copy): Remove ancient if 0.
	(fork): Conditionalize "FORKDEBUG" under DEBUGGING.
	* sigproc.cc (proc_terminate): Reduce pinfo lock time.
	(sigproc_terminate): Set sig_loop_wait after getting signal_mutex.
	(__get_signal_mutex): Reorganize for less strace output when not
	DEBUGGING.
	(__release_signal_mutex): Ditto.  Reorganize case where !sig_loop_wait.
	(have_signal_mutex): Returns true if current thread has the mutex.
	* wait.cc (wait4): Change debugging message.

Sat Aug 14 0:10:00  Corinna Vinschen  <[e-mail]>

	* fhandler.cc (fhandler_base::raw_read): Set correct errno from Win32
	error when ReadFile fails.
	(fhandler_base::raw_write): In case of ERROR_DISK_FULL, return
	bytes_written only if bytes_written > 0.
	* errno.cc: Map ERROR_DISK_FULL to ENOSPC.

Fri Aug 13 14:22:12 1999  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Honor ignra argument.

Fri Aug 13 00:45:00 1999  Christopher Faylor <[e-mail]>

	* spawn.cc (spawn_guts): Ensure that hExeced is set to proper state
	when parent has exited.

Thu Aug 12 14:09:30 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (getsem): Fix typo which prevented sending signals to
	other processes.

Wed Aug 11 22:06:33 1999  Christopher Faylor <[e-mail]>

	* cygwin.din: Export glob and globfree.
	* glob.h: Move to include.
	* Makefile.in: Correct glob.h dependencies.

Wed Aug 11 19:41:04 1999  Sergey Okhapkin  <[e-mail]>

	* fhandler.cc (fhandler_disk_file::fstat): Check if the file is unix
	domain socket.
	(fhandler_disk_file::open): Call set_socket_p().
	* fhandler.h: Add new fhandler type flags (FH_LOCAL, FH_FIFO).
	(fhandler_base): get/set_socket_p - new member functions.
	(fhandler_socket::addr_family): Add new member, currently unused.
	(fhandler_socket::get/set_addr_family): Add new functions to access
	addr_family.
	* include/sys/un.h: New file.
	* net.cc: Include <sys/un.h>
	(cygwin_socket): Always create socket of AF_INET family, store
	argument's family.
	(get_inet_addr): New static function.  Converts AF_UNIX requests into
	corresponding AF_INET requests.
	(cygwin_sendto): Use get_inet_addr().
	(cygwin_connect): Likewise.
	(cygwin_accept): Check for sockaddr length.
	(cygwin_bind): Implement AF_UNIX.
	* path.h (PATH_SOCKET): Add new enum value.
	(path_conv::issocket): Add new member function.
	(SOCKET_COOKIE): Add new define.
	* syscalls.cc (chmod): Mark socket files with system file attribute.

Wed Aug 11 17:22:46 1999  Corinna Vinschen  <[e-mail]>

	* utils/mkgroup.c (main): Generate "None" group when
	invoked via mkgroup -l.

Tue Aug 10 21:30:31 1999  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Handle type ahead where appropriate.
	* sigproc.cc (proc_can_be_signalled): Revert to previous method for
	determining signalability.
	(getsem): Move PID_INITIALIZING test here.
	* wait.cc (wait4): Improve debug output slightly.

Mon Aug  9 23:27:44 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (do_exit): Add additional check for valid hExeced.
	* exceptions.cc (call_handler): Implement a raceless way to track
	pending_signals.
	* signal.cc (kill_worker): Make calls from non-main threads synchronous
	or signals from a tty thread don't work right.
	* sigproc.cc (sig_send): Localize pending_signals assignment to only
	the wait_sig thread.
	(__get_signal_mutex): Don't attempt to grab a mutex if signal_mutex
	hasn't been assigned yet.  Add more strace debugging information when
	-DDEBUGGING.
	(__release_signal_mutex): Don't attempt to release a mutex if
	signal_mutex hasn't been assigned yet.  Add more strace debugging
	output.
	(wait_sig): Attempt to eliminate race in setting of pending_signals.
	* spawn.cc (spawn_guts): Set hExeced to INVALID_HANDLE_VALUE so that it
	will be obvious when a process is actually just an execed stub.
	* strace.cc (strace_vsprintf): Output a "!" after the pid when
	executing in an execed stub.

Mon Aug  9 17:17:13 1999  Christopher Faylor <[e-mail]>

	Throughout, eliminate in() and out() macros.
	* winsup.h (tty_attached): Accept an argument indicating the pinfo
	structure to query.
	* exceptions.cc (really_exit): Cosmetic change.
	* external.cc (fillout_pinfo): Use queried pinfo structure for
	determining tty number, not *our* number.
	* net.cc: More workarounds.
	* path.cc (get_device_number): Supply argument to tty_attached.
	* syscalls.cc (ctermid): Ditto.
	* strace.cc (strace_dump): Remove.
	* include/sys/strace.h: Eliminate obsolete stuff.

Sun Aug  8 22:54:45 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (call_handler): Process all signals on return from a
	signal dispatch.
	* sigproc.cc (proc_can_be_signalled): Guard against waiting too long
	when exiting.
	(proc_exists): Don't report an exited process as "existing".
	(proc_terminate): Close handle prior to testing for existence so that
	proc_exists will not always return TRUE.  Eliminate use of zap_subproc.
	(stopped_or_terminated): Eliminate use of zap_subproc.
	(zap_subproc): Delete.

Sun Aug  8 22:17:36 1999  Christopher Faylor <[e-mail]>

	* fhandler_tty.cc (fhandler_tty_master::init): hThread must remain
	open.  Previous change to close it was wrong.

Sun Aug  8 20:35:33 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc: Initalize NO_COPY variables.
	* pinfo.cc (record_death): Don't be so insistent about getting
	the pinfo lock.
	* sigproc.cc (proc_terminate): Tighten the region protected by
	the pinfo lock.
	* spawn.cc (spawn_guts): Eliminate the pinfo lock when reparenting
	as it is no longer required.
	(_spawnve): Tighten the region protected by the pinfo lock.

Sun Aug  8 18:26:51 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (sig_send): Add more unfortunate guards against a
	system call being interrupted by a signal dispatch.

Sat Aug  7 15:38:42 1999  Christopher Faylor <[e-mail]>

	* security.cc (get_admin_sid): Ensure that returned buf is not copied
	on a fork.
	(get_system_sid): Ditto.
	(get_create_owner_sid): Ditto.
	(get_world_sid): Ditto.

Sat Aug  7 15:17:25 1999  Christopher Faylor <[e-mail]>

	* fhandler_tty.cc (process_input): Reset signal_arrived event prior to
	calling console read as this is now a requirement for functions which
	detect signal_arrived.
	(fhandler_tty_master::write): Allow signals to operate prior to raising
	SIGTTOU.
	(fhandler_tty_master::read): Allow signals to operate prior to raising
	SIGTTIN.
	* select.cc (peek_pipe): Detect attempt to read from tty not in our
	process group as a "read_ready" event.
	* include/shellapi.h: Add missing defines.
	* utils/ps.cc: Output windows pid as unsigned for Windows 9x.

Sat Aug 7 14:30:00  Corinna Vinschen  <[e-mail]>

	* security.cc (get_creator_owner_sid): New function.
	* shared.cc (sec_user): calls `get_creator_owner_sid' in creation
	of the security attributes structure additionally.

Fri Aug  6 13:04:40 1999  Christopher Faylor <[e-mail]>

	* spawn.cc (spawn_guts): Allow failure from OpenProcess.  The parent
	may have exited due to 7/31 change.

Thu Aug  5 22:54:07 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (wait_for_me): Break out as a common function to check
	that the current process is ready to handle signals.
	(proc_can_be_signalled): Treat myself differently.

Thu Aug  5 21:24:20 1999  Christopher Faylor <[e-mail]>

	* fhandler_console.cc (fhandler_console): Don't call tcinit here.
	(fhandler_console::read): Don't reset signal_arrived here.
	* syscalls.cc (_read): Set it here instead.
	* fhandler_termios.cc (fhandler_termios::line_edit): Only call
	accept_input when input is ready.  Ignore iscanon in this case.
	* fhandler_tty.cc (fhandler_tty_slave::init): Don't call tcinit here.

Thu Aug  5 16:02:25 1999  Christopher Faylor <[e-mail]>

	* strace.cc (handle_output_debug_string): Ignore errors reading
	from child memory as they seem to occur due to a process exiting.
	(close_handle): New, defensive code.

Thu Aug  5 13:32:43 1999  Christopher Faylor <[e-mail]>

	* strace.cc (remove_handle): New function.
	(add_child): Speed up slightly.
	(proc_child): Use output of remove_child in CloseHandle.

Thu Aug  5 12:38:50 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Don't protect subproc_ready if it is NULL.
	(do_exit): Avoid calling close_all_files if exiting from exec stub.
	* net.cc: Reorganize to work around some compiler bugs.
	* spawn.cc (spawn_guts): Set hExeced only after child stuff has been
	completely initialized.
	* syscalls.cc (_open): Protect against signals.
	* utils/strace.cc (warn): New function.
	(add_child): Issue warning when can't duplicate child process handle.

Wed Aug  4 21:35:28 1999  Christopher Faylor <[e-mail]>

	* psapi.h: New file.

Thu Aug 4 10:28:00  Corinna Vinschen  <[e-mail]>

	* security.cc: Eliminate MALLOC_CHECK calls.
	(lookup_name): New function simplifies the retrieval of user and group
	names.
	(alloc_sd): Call `lookup_name' instead of `LookupAccountName'.
	* shared.cc (sec_user): Call `lookup_name' instead of
	`LookupAccountName'.  Eliminate 'free' call on stack space.
	* winsup.h: Declare `lookup_name'.

Wed Aug  4 16:24:02 1999  Christopher Faylor <[e-mail]>

	* a.out.h: Fix cut and paste from mime email typos.

Mon Aug  2 19:08:48 1999  Christopher Faylor <[e-mail]>

	* Makefile.in: Fix utils dependency.  Make clean more assertive.
	* path.cc (mount_info::conv_to_win32_path): Fill in correct destination
	when a device name is detected.
	* syscalls.cc (chown): Always succeed when referencing a cygwin device.
	(chmod): Ditto.
	* net.cc (get_ifconf): Eliminate holdover from previous change.

Mon Aug  2 13:07:44 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (do_global_ctors): Remove previous change.  It was just
	wrong.

Sun Aug  1 23:21:28 1999  Christopher Faylor <[e-mail]>

	Throughout rename 'slave_alive' handle to 'inuse'.
	* shared.h: Implement tty_attached() macro to determine when an actual
	tty is associated with the process.
	(class tty): Add some methods for manipulating an "inuse" event that is
	common to both master and slave parts of a tty.
	* dcrt0.cc (do_exit): Use tty_attached() to determine if signal should
	be sent to process group.
	* external.cc (fillout_pinfo): Return -1 if tty is not attached (i.e,
	attached to a console).
	* fhandler.h: Move more stuff into fhandler_tty_common and out from sub
	classes.
	* fhandler_console.cc (fhandler_console::read): Send SIGWINCH signal to
	*correct* process group.
	(fhandler_console::open): Fix incorrect argument ordering in set_ctty.
	(fhandler_console::de_linearize): Remove unneeded handle resets.
	* fhandler_tty.cc (fhandler_tty_slave::open): Fix incorrect argument
	ordering in set_ctty.  Use tty create_inuse method to create inuse
	event.
	(fhandler_tty_slave::close): Delete.
	(fhandler_tty_slave::dup): Delete.
	(fhandler_tty_slave::write): Minor cleanup of flow of control.
	(fhandler_tty_common::dup): Subsume fhandler_tty_slave dup method.
	(fhandler_pty_master::fhandler_pty_master): Zero inuse field.
	(fhandler_pty_master::open): Set inuse field.
	(fhandler_tty_common::close): New, superclass method.
	(fhandler_tty_common::set_close_on_exec): Handle inuse field.
	(fhandler_tty_common::fixup_after_fork): Ditto.
	(fhandler_tty_slave::set_close_on_exec): Delete.
	(fhandler_tty_slave::fixup_after_fork): Delete.
	* path.cc (get_device_number): Use tty_attached() to figure out
	/dev/tty.
	* select.cc (peek_console): Send SIGWINCH signal to *correct* process
	group.