changelog-1999

cygwin, 著名的在win32下模拟unix操作系统的东东

	* select.cc (set_bits): Test that {read,write,except}_selected are
	active before setting a bit.
	(peek_pipe): Short circuit tests if we're not checking for readable
	or "except"able handles.
	(thread_socket): Use read check for exitsock as old method relied on
	undocumented, unreliable behavior.
	(start_thread_socket): Perform more setup on exitsock to improve thread
	exit signalling.
	(socket_cleanup): Connect to the exitsock to force thread_socket thread
	exit.
	* winsup.h (hinfo): Add preliminary vfork stuff.
	* include/winsock.h: Add shutdown() how types.
	* include/sys/socket.h: Add socketpair declaration.

1999-09-22  DJ Delorie  <[e-mail]>

	* syscalls.cc (chown): never return ENOSYS - just pretend it
	works.

Wed Sep 22 00:47:56 1999  Christopher Faylor <[e-mail]>

	* select.cc (MAKEready): Need to initialize 'fd' or open tests in
	peek fail.

Mon Sep 20 17:07:37 1999  Christopher Faylor <[e-mail]>

	* smallprint.c (__small_vsprintf): Fix '%+' handling.

Thu Sep 16 21:48:13 1999  Christopher Faylor <[e-mail]>

	* utils/cygcheck.cc (dump_sysinfo): Deal with a new compiler error.
	* utils/strace.cc (make_command_line): Change to a void * argument, as
	is required for SetConsoleCtrlHandler.

Thu Sep 16 20:47:12 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (__api_fatal): Rearrange slightly.
	* fhandler.h (set_ctty): Change to void.
	* fhandler_termios.cc (fhandler_termios::set_ctty): Ditto.
	* select.cc (thread_pipe): Change to a void * argument, as is required
	for thread functions.
	(thread_socket): Ditto.
	(thread_serial): Ditto.
	* include/winbase.h: Mark ExitProcess as noexit.

Thu Sep 16 18:32:12 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (ctrl_c_handler): Make WINAPI, as required by
	SetConsoleCtrlHandler.

Thu Sep 16 17:48:05 1999  Christopher Faylor <[e-mail]>

	* debug.cc (thread_stub): Make WINAPI, as required by CreateThread.
	* fhandler_tty.cc (process_input): Ditto.
	(process_output): Ditto.
	(process_ioctl): Ditto.
	* select.cc (thread_pipe): Ditto.
	(thread_serial): Ditto.
	(thread_socket): Ditto.
	* sigproc.cc (wait_proc): Ditto.
	(wait_sig): Ditto.
	* window.cc (winMain): Ditto.

Wed Sep 15 20:58:37 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (call_handler): Let fatal signals through regardless of
	signal_mutex.
	* fhandler.h (fhandler_base): Make bg_check virtual.
	(fhandler_termios::bg_check): Eliminate the second argument.
	* fhandler_console.cc (fhandler_console::ioctl): Check for background
	operation.
	* fhandler_termios.cc (fhandler_termios::bg_check): Eliminate the
	second argument.  A negative arg 1 means the same thing.
	* ioctl.cc (ioctl): Add debugging output.
	* syscalls.cc (_write): Eliminate second argument to bg_check.
	* termios.cc (tcsendbreak): Check for background operation.
	(tcdrain): Ditto.
	(tcflush): Ditto.
	(tcflow): Ditto.
	(tcsetattr): Reorganize on similar lines to above routine.

Wed Sep 15 15:25:04 1999  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Only set read_ready if bg_check returns <= 0.
	(peek_console): Ditto.  Correct PeekConsole conditional so that the for
	loop breaks eventually.

Wed Sep 15 00:21:40 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (set_console_handler): Allocate security stuff here
	since it is needed earlier in the process now.  Allocate a shared event
	for use in synchronizing CTRL-C events that happen while the process is
	still initializing.
	(ctrl_c_handler): Use the above event to synchronize with the cygwin
	startup process, waiting for the signal thread to come alive before
	trying to send a signal.
	(signals_init): Don't call set_console_handler() here, since it is now
	handled much earlier in cygwin initialization.
	* shared.cc (shared_init): Move out security setup.
	* sigproc.cc (wait_sig): Activate the console_handler_thread_waiter so
	that any waiting thread which is handling ctrl-c's will wake up and
	send a signal, if appropriate.

Tue Sep 14 23:49:39 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (ctrl_c_handler): Handle ctrl-c events ourself, using
	the "UNIX way".
	* fhandler_console (tty_list::get_tty): New function.
	* shared.h: Add some additional things to tty_min class for handling
	ctrl-c.

1999-09-14  DJ Delorie  <[e-mail]>

	* dir.cc (rmdir): return ENOTDIR for regular files on 9x

Tue Sep 14 00:01:59 1999  Christopher Faylor <[e-mail]>

	* debug.h (ForceCloseHandle2): New macro.
	* fhandler.cc (set_inheritance): Accept name of handle as optional
	third argument.  Use this in ForceCloseHandle2/ProtecHandle2.
	* fhandler.h: Implement bg_check() method.
	* fhandler_console.cc (get_tty_stuff): Initialize more tty stuff.
	(fhandler_console::read): Check for background read.
	* fhandler_termios.cc (fhandler_termios::bg_check): New function.
	Performs appropriate action given background read or write.
	* fhandler_tty.cc (fhandler_tty_slave::write): Replace background check
	code with new method.
	(fhandler_tty_slave::read): Ditto.
	(fhandler_tty_common::set_close_on_exec): Pass output_mutex name to
	set_inheritance.
	* select.cc: Throughout check that the fd is still open before polling.
	(peek_pipe): Check for background read.
	(peek_console): Ditto.
	* shared.h: Move ntty from tty into tty_min.
	* syscalls.cc (read_handler): Check for background read.
	(_write): Check for background write.

Sat Sep 11 16:24:21 1999  Christopher Faylor <[e-mail]>

	* path.cc (iscygdrive_device): New macro.
	(mount_info::conv_to_win32_path): Only attempt "cygdrive" translation
	when passed /cygdrive/something.
	(mount_info::write_cygdrive_info_to_registry): Store in-memory copy of
	cygdrive prefix automatically.
	(mount_info::read_cygdrive_info_from_registry): Reorganize for new
	write_cygdrive_info_to_registry functionality.
	(mount): Ditto.

Fri Sep 10 15:44:11 1999  Christopher Faylor <[e-mail]>

	* syscalls.cc (pathconf): Make first arg 'const'.

1999-09-10  DJ Delorie  <[e-mail]>

	* exec.cc (_execve): check for an empty environment

Wed Sep  8 10:24:12 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Generalize test for initial zeroes in
	exec/fork block.
	* fhandler.cc (fhandler_disk_file::open): Don't attempt #! detection on
	non-disk files.
	* fhandler.h: Use generic status bit set/clear macros.  Use bitmask for
	fhandler_termios state.
	* fhandler_console.cc: Rename "tty_stuff" to more descriptive
	"shared_console_info".
	(fhandler_console::read): Reset console state before a read if
	appropriate.
	(fhandler_console::open): Improve check for setting console state.
	(fhandler_console::fixup_after_fork): Ditto.
	(set_console_state_for_spawn): New function.
	* fhandler_termios.cc (fhandler_termios::tcinit): Use new method for
	determining if initialized.
	* fhandler_tty.cc (fhandler_tty::init_console): Avoid sending handle to
	init or it will be closed.
	* fork.cc (per_thread::set): Make this method non-inline, temporarily.
	* select.cc (peek_console): Call set_input_state to ensure that the
	console is in the correct state.
	* shared.h (child_info): Make zero element an array for future
	tweaking.
	(tty_min): Change initialized element to a bit field.  Define bit field
	macros for manipulating it.
	* sigproc.cc (wait_sig): Wake up every half second in a (vain?) attempt
	to work around Windows 98 hanging problem.
	(wait_subproc): Ditto.
	* spawn.cc (spawn_guts): Use new "set_console_state_for_spawn" prior to
	starting a process.
	* winsup.h: Define generic macros for manipulating a method's status
	field.
	(per_thread): Move inline method to fork.

Mon Sep  6 13:36:34 1999  Christopher Faylor <[e-mail]>

	* fhandler_tty.cc (fhandler_tty_master::init_console): Remove retrieval
	of stderr handle since it is not required for correct init operation.
	* hinfo.cc (hinfo_init): Reorganize to accommodate potential closing of
	console handles by fhandler_console::init.
	(init_std_file_from_handle): Set standard handle as appropriate.
	(hinfo::de_linearize_fd_arry): Ditto.
	* fhandler_console.cc (fhandler_console::init): Conditionally close
	handle only if it is valid.

Sun Sep  5 22:43:21 1999  Christopher Faylor <[e-mail]>

	* utils/cygcheck.cc: Make sure that GetDiskFreeSpaceExA is defined as a
	__stdcall function or the stack will suffer.  For now, don't sort mount
	output as more work copying the individual mntent elements is required.

Sat Sep  4 19:01:00 1999  Christopher Faylor <[e-mail]>

	* include/glob.h: Ensure that glob*() functions can be properly accessed by
	programs using the DLL.

Sat Sep  4 18:49:04 1999  Christopher Faylor <[e-mail]>

	* heap.cc (heap_init): Tweak debugging output.
	* sigproc.cc (sig_send): Catch obvious impossible values from
	GetLastError.

Sat Sep  4 18:43:49 1999  Christopher Faylor <[e-mail]>

	* fhandler_tty.cc (fhandler_tty_slave::open): Protect against signal
	dispatch.
	(fhandler_tty_slave::write): Only wait a fixed amount of time to
	receive a an output_done_event.
	(fhandler_tty_slave::tcflush): Protect against signal dispatch.

Sat Sep  4 18:30:42 1999  Christopher Faylor <[e-mail]>

	* exceptions.cc (handle_sig): Temporarily remove OutputDebugString.  It
	seemed to be causing sporadic hangs.
	(call_handler): Save and restore di and si.
	(sigreturn): Ditto.

Fri Sep  3 23:07:44 1999  Christopher Faylor <[e-mail]>

	* fhandler_termios.cc (fhandler_termios::line_edit): Properly deal with
	sending characters to slave when !iscanon.

Fri Sep 3 18:15:00 1999  Corinna Vinschen  <[e-mail]>

	* fhandler_raw.cc (fhandler_dev_raw::fstat): Add S_ISCHR to mode bits.
	* fhandler_tape.cc (fhandler_dev_tape::fstat): Erase setting of S_ISCHR
	since it's set in fhandler_dev_raw::fstat now.

Thu Sep  2 22:11:03 1999  Christopher Faylor <[e-mail]>

	* path.cc (mount_info::conv_to_win32_path): Fix problem with
	calculating relative path at root.

Wed Sep  1 23:24:43 1999  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::fhandler_base): Don't use default binmode
	for console.

Wed Sep  1 20:51:05 1999  Christopher Faylor <[e-mail]>

	* smallprint.c (__small_vsprintf): Allow field width argument with 'l'
	modifier.  Consolidate processing of field width.
	* uname.cc (uname): Eliminate space in "release" field.

Tue Aug 24 10:46:24 1999  Kazuhiro Fujieda <[e-mail]>

	* fhandler_console.cc (write_normal):  Write '\n' corresponding to
	DWN if the cursor is out of the window.

Wed Aug 25 22:16:46 1999  Christopher Faylor <[e-mail]>

	* smallprint.c (rn): Deal with positive as well as negative signs.
	(__small_vprintf): Handle '+', 'l', and '%' format types.

Wed Aug 25 00:38:49 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Zero heap information in user_data to
	work around mutant startup code.

Tue Aug 24 00:03:22 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (sig_send): One more end-of-process race detection.

Mon Aug 23 21:37:07 1999  Christopher Faylor <[e-mail]>

	Throughout, remove malloc.h.
	* debug.cc: Initialize handle list so that it will not be copied on
	fork.
	* exceptions.cc (_sigreturn): Zero windows error on exit.  It's
	meaningless after a signal dispatch.
	* fhandler_console.cc (fhandler_console::de_linearize): Improve error
	messages.
	* shared.h: Increment fork magic number.
	* sigproc.cc (sigproc_terminate): Close all handles prior to calling
	proc_terminate if running in signal thread.
	(sig_send): Eliminate bogus ResetEvent on a semaphore.  Add code for
	potentially dealing with problems when this code is interrupted via a
	signal dispatch.
	* times.cc (timezone): Use __small_sprintf.
	* uname.cc (uname): Ditto.  Also use strcpy instead of sprintf where
	appropriate.

1999-08-23  DJ Delorie  <[e-mail]>

	* localtime.c: export timezone, daylight, tzname as _*
	* times.cc: don't export timezone, daylight, tzname
	(timezone): return TZ if set.
	(cygwin_tzset): not needed.

Thu Aug 19 13:46:47 1999  Christopher Faylor <[e-mail]>

	* fork.cc (fork): Remove pinfo lock.  It is in allocate_pid, now.
	* spawn.cc (_spawnve): Ditto.
	* pinfo.cc (pinfo_init): Ditto.
	(lock_pinfo_for_update): Impreove debug output.
	(pinfo_list::allocate_pid): Lock pinfo mutex here.

1999-08-19  DJ Delorie  <[e-mail]>

	* Makefile.in (tooldir): If we're building natively, drop the
	$(target_alias) on include and lib's install (i.e. /usr/include
	instead of /usr/include/i686-cygwin).

Thu Aug 19 01:11:25 1999  Christopher Faylor <[e-mail]>

	* sigproc.cc (sig_send): Avoid a race with proc thread when executing
	due to a signal.

Wed Aug 18 16:37:59 1999  Kazuhiro Fujieda <[e-mail]>

	* fhandler_console (fhandler_console::fillin_info): Avoid setting
	scroll_region.Bottom when it is not known.