changelog-1998

cygwin, 著名的在win32下模拟unix操作系统的东东

	"funny".  Use statics instead.  Move fork/spawn checking
	into dll_crt0.
	(dll_crt0): Do fork spawn checking here.  alloc_stack()
	will call dll_crt0_1 if forked from a non-main thread.
	* fork.cc (stack_base): New function determines base
	(and other values) of this thread's stack.
	(fork): Use new PROC_FORK1 method for forking.  Provides
	more data to forkee.  Use stack_base to set stack
	values.
	* winsup.h (child_info_fork): Changes for PROC_FORK1.

Wed Dec 16 16:15:29 1998  Geoffrey Noer  <[e-mail]>

	* include/shellapi.h: fix typo in DragQueryPoint proto.

Mon Dec 14 12:37:43 1998  Geoffrey Noer  <[e-mail]>

	* net.cc: minor respacing
	(get_ifconf): new local function, combines get_winnt_ifconf and
	get_win95_ifconf.
	(get_win95_ifconf): delete
	(get_winnt_ifconf): delete
	(fhandler_socket::ioctl): adjust ifconf calls in light of above,
	check returned value for safety.
	* include/cygwin/version.h: bump CYGWIN_VERSION_API_MINOR to 4
	in honor of newly supported socket ioctls.

	patch from Corinna Vinschen <[e-mail]>:
	* include/asm/socket.h: Added defines for ioctl() calls
	SIOCGIFADDR, SIOCGIFBRDADDR and SIOCGIFNETMASK.
	* net.cc (get_winnt_ifconf): Check the registry entries
	instead of just calling get_win95_ifconf(). Added what argument
	to support the new ioctl() calls.
	(get_win95_ifconf): Check the Windows 9x registry entries as
	described by Tim Newsham.
	(fhandler_socket::ioctl): Support the ioctl() commands
	SIOCGIFADDR, SIOCGIFBRDADDR and SIOCGIFNETMASK.
	(get_if_flags): Check for a down interface.

Wed Dec  9 18:11:31 1998  Geoffrey Noer  <[e-mail]>

	* fhandler.cc (fhandler_disk_file::open): check for shell scripts
	regardless of Win32 OS type.

Sun Dec  6 19:38:11 1998  Christopher Faylor <[e-mail]>

	patch from Corinna Vinschen <[e-mail]>:
	* fhandler_console.cc (fhandler_console::tcgetattr): Fix typo.
	ISIG should be ored with c_lflag.

Tue Dec  1 16:28:56 1998  Geoffrey Noer  <[e-mail]>

	* include/utmp.h: delete, moved to newlib/libc/sys/cygwin/sys.

Thu Dec  3 15:41:51 1998  Geoffrey Noer  <[e-mail]>

	Released 20.1 update.

Thu Dec  3 22:24:18 1998  Christopher Faylor <[e-mail]>

	* exceptions.cc (set_process_mask): Add `sync' parameter
	to control whether signals should be synched on exit.
	(handle_sigsuspend): Provide second argument to set_process_mask -
	don't sync.
	(call_handler): Ditto for asm handler.
	* signal.cc (sigprocmask): Ensure that signals are synchronized
	by calling set_process_mask with sync == 1.
	* sigproc.cc (__release_signal_mutex): Third argument is not
	strictly a BOOL, so change it.
	* sigproc.h: Reflect above parameter changes.

Thu Dec  3 15:30:44 1998  Christopher Faylor <[e-mail]>

	* select.cc (peek_console): Work around NT bug that
	caused strange behavior with ReadFile after this
	function was invoked.

Tue Dec  1 14:43:35 1998  Christopher Faylor <[e-mail]>

	* sigproc.cc (sigproc_init): Set maintid and signal_mutex early
	to avoid races in wait_sig initialization.
	(__get_signal_mutex): Improve debug output.
	(__release_signal_mutex): Ditto.
	* spawn.cc (spawn_guts): Allocate more space for string when building
	up from #! and absolute path is not known.  Otherwise weird stuff
	like infinite recursion or unknown file errors occur.

Tue Dec  1 08:34:18 1998  Christopher Faylor <[e-mail]>

	* mkvers.sh: Accommodate lack of timezone in date output so that
	year shows up correctly.

Mon Nov 30 14:30:51 1998  Jeff Johnston  <[e-mail]>

	* times.cc (times): Altered function so that on non-Windows-NT systems
	it does not use the GetProcessTimes() API which is not supported.

Mon Nov 30 00:38:54 1998  Christopher Faylor <[e-mail]>

	* dcrt0.cc: Fix incorrect use of struct on exception_list
	typedef.
	* debug.cc (thread_stub): Ditto.
	* dll_init.cc: Ditto.
	* include/Windows32/Structures.h: Correct typo where
	typedef SYSTEM_POWER_STATUS was being used as a struct.

Sun Nov 29 22:03:17 1998  Christopher Faylor <[e-mail]>

	patch from Corinna Vinschen <[e-mail]>:
	* fhandler_console.cc (fhandler_console::ioctl):
	Added ioctl commands TCGETA, TCSETA, TCSETAW, TCSETAF.

Fri Nov 27 22:30:58 1998  Christopher Faylor <[e-mail]>

	* fhandler.h: Set aside NOEINTR bit.  When this is set
	cygwin will not allow the read on this device to be
	interrupted by a signal.
	* pipe (_pipe): Set NOEINTR bit for read end of pipes
	created using this method.  The vague rationale for this
	is that these pipes are supposed to be more like Windows
	pipes than UNIX pipes.
	* syscalls.cc (_pipe): Honor NOEINTR flag.
	* getopt.c: Clean up some gcc warnings.
	* libcerr.c: Ditto.

Fri Nov 27 21:56:03 1998  Christopher Faylor <[e-mail]>

	* exceptions.cc (SIG_NONMASKABLE): Update for new signal
	mask method.
	(handle_sigsuspend): Release of signal mutex must be
	synchronous -- the signal must be delivered before the
	function returns.  Otherwise, there will be races in
	the caller code.
	* sigproc.cc (sigproc_terminate): Minor cleanup.

Thu Nov 26 20:26:17 1998  Christopher Faylor <[e-mail]>

	* exceptions.cc (call_handler): Attempt to work around
	potential race when setting signal_arrived.  This
	particularly affects sigsuspend.
	(handle_sigsuspend): Reset signal_arrived prior to
	grabbing the mutex.  This should reduce the probability
	of a race.
	* sigproc.cc (sig_send): Don't reset signal_arrived in
	the SIGSUSPEND case since this could introduce a race.

Thu Nov 26 12:19:16 1998  Christopher Faylor <[e-mail]>

	patch from [e-mail] (Sergey Okhapkin):
	* select.cc (MAKEready): Don't wait for signal prior to
	testing for read.  That introduces an unnecessary delay.

Wed Nov 25 23:03:47 1998  Christopher Faylor <[e-mail]>

	* winsup.h: Make `isdirsep' an alias for SLASH_P.
	Implement isabspath convenience macro.
	Change sigprotect to a macro since it appears to
	be impossible to send __FILE__ type macros to a
	constructor.  Change use of sig_protect throughout.
	* dcrt0.cc (dll_crt0_1): Use new path macro.
	* dlfcn.cc (get_full_path_of_dll): Ditto.
	* path.cc (path_conv::path_conv): Ditto.
	(normalize_posix_path): Ditto.
	(slashify): Ditto.
	(backslashify): Ditto.
	* syscalls.cc (num_entries): Ditto.
	* lock.cc: Redefine lock methods to pass debug info to
	{get,release}_signal_mutex.
	* environ.cc (environ_init): Correct strncmp test for
	TERM=, otherwise it's impossible to set TERM.
	* exceptions.cc: Eliminate lock_cs and unlock_cs macros.
	Use {get,release}_signal_mutex throughout.
	(signal_init): Don't initialize signal_mutex here.
	(set_process_mask): Remove vestiges of old mutex code.
	(handle_sigsuspend): Ditto.
	(call_handler): Move signal_arrived SetEvent back here.
	It was being triggered too often before.
	Detect when the signal thread is exiting.
	(sig_handle): Remove inappropriate SetEvent(signal_arrived).
	(events_terminate): Move close of signal_mutex elsewhere.
	* glob.cc: Increase "MAXPATHLEN" size for arguments that
	are not necessarily pathnames.
	* pinfo.cc (lpfu): Lower timeout for reporting possible
	problem with INFINITE wait.
	* sigproc.cc (wake_wait_subproc): Make this a macro with
	no arguments so that its use in the code is a little
	clearer.
	(proc_terminate): Eliminate signal blocking here since
	this should already be handled by the caller.
	(sigproc_init): It makes sense to initialize signal_mutex
	here, so do so.
	(__allow_sig_dispatch): Rename.  Take debugging arguments.
	Pass arguments on to release_signal_mutex.
	(__block_sig_dispatch): Rename.  Take debugging arguments.
	Pass arguments on to get_signal_mutex.  Detect signal
	thread exiting confition.
	(__get_signal_mutex): Take debugging arguments.  Maintain
	a stack of nested mutex calls for later display in
	__release_signal_mutex.  Detect signal thread exit
	condition.  Don't bother with locking if signal thread is
	executing or if just an exec stub.
	(__release_signal_mutex): Don't bother with locking if signal
	thread is executing or if just an exec stub.
	* sigproc.h: Reflect renamed functions above.  Provide
	wrappers to pass in diagnostic information.
	* spawn.cc (spawn_guts): More fixes to deal with nested
	#! and to properly report posix argv[0] when invoked as a
	script.

Wed Nov 25 12:41:12 1998  Christopher Faylor <[e-mail]>

	* Makefile.in: Reinstate libwinspool.a/winspool.drv creation.

Tue Nov 24 18:48:56 1998  Geoffrey Noer  <[e-mail]>

	* Makefile.in: add CFLAGS_COMMON and CFLAGS_CONFIG to CFLAGS
	and CXXFLAGS in FLAGS_TO_PASS.

	* include/sys/select.h: new file with select proto.  Avoid
	potential conflict with Winsock inclusion by Cygwin internals.
	* include/sys/socket.h: remove select proto.
	* winsup.h: define __INSIDE_CYGWIN__.  Include windows.h after
	Unix include files.
	* include/mywinsock.h: delete file
	* include/Windows32/Sockets.h: add ndef __INSIDE_CYGWIN__s
	around portions that conflict with Unix definitions.  This
	yields what used to be mywinsock.h which is a blend of Unix
	sockets and Winsock needed by Cygwin internals.
	* exceptions.cc: define Win32_Winsock to include
	Windows32/Sockets.h.  No longer define __INSIDE_CYGWIN__.
	* hinfo.cc: ditto
	* net.cc: ditto
	* select.cc: ditto

	* include/exceptions.h: change wrapper define to _EXCEPTIONS_H.
	* include/sys/resource.h: move includes outside __cplusplus check.
	* include/sys/wait.h: ditto.

Sun Nov 22 23:33:19 1998  Geoffrey Noer  <[e-mail]>

	* sigproc.cc (__release_signal_mutex): revert Nov 3d change.

Sun Nov 22 17:04:44 1998  Christopher Faylor <[e-mail]>

	patch from [e-mail] (Sergey Okhapkin):
	* regexp/Makefile.in: Add additional bits necessary to
	allow correct installation of include file.

Fri Nov 20 17:04:48 1998  Christopher Faylor <[e-mail]>

	* Makefile.in: Set "Warn about writable strings" option in CFLAGS.
	* fhandler_tty.h: Fix for writable strings detection.
	* grp.cc (add_grp_line): Ditto.
	* mkvers.sh: Ditto.
	* path.h: Ditto.
	* registry.cc: (reg_key::reg_key): Ditto.
	* smallprint.c (__small_vsprintf): Ditto.
	* tty.cc (tty::get_event): Ditto.
	* winsup.h: Give up on read_ready_thread.  Move sig_protect
	here since it needs to use information set up after the sigproc.h
	include.
	* dcrt0.cc: Ditto.
	* debug.cc (WFSO): New function.  Used to ensure that
	function shows up on stack trace.
	(WFMO): Ditto.
	* debug.h: Define the above.
	* exceptions.cc (ctrl_c_handler): Record last signal
	for signal handler.
	* select.cc (MAKEready): New macro for constructing
	fhandler_*::ready_for_read function.
	(fhandler_*::ready_for_read): Use macro to construct this
	method throughout.
	* sigproc.cc (sig_send): Work around race on process termination
	where the event being waited for may disappear.
	(sigproc_terminate): #ifdef code here that attempted to deal with
	the above condition in sig_send.
	* sigproc.h: Move sig_protect to winsup.h.
	* spawn.cc (perhaps_suffix): Don't return pointer into an
	automatic variable.
	(find_exec): Always point known_suffix to something.
	* syscalls.cc (read_handler): Refine debug output.
	(read_ready_thread): Delete.
	(_read): Eliminate use of read_ready_thread.  Call ready_for_read
	directly as appropriate.

Thu Nov 19 15:26:40 1998  Geoffrey Noer  <[e-mail]>

	* Makefile.in: remove -Wunused since that's already in -Wall
	* dlfcn.cc (check_path_access): rename winenv arg to mywinenv
	* path.cc (symlink): change save_errno var to saved_errno
	* spawn.cc (find_exec): rename winenv arg to mywinenv
	(spawn_guts): rename sigprotect handle to starting_here
	* winsup.h: remove trailing comma from process_state flags
	enum
	* utils/aclocal.m4: regenerate
	* utils/configure: regenerate

Thu Nov 19 11:16:38 1998  Christopher Faylor <[e-mail]>

	* Makefile.in: Use correct libpthread.a target when
	thread-safe is enabled.

Thu Nov 19 10:49:27 1998  Christopher Faylor <[e-mail]>

	* path.cc (path_conv): Correct error reporting.

Wed Nov 18 20:07:50 1998  Geoffrey Noer  <[e-mail]>

	* utils/Makefile.in: remove termcap file install rule

Wed Nov 18 18:14:18 1998  Geoffrey Noer  <[e-mail]>

	More minor cleanup:
	* environ.cc (winenv): don't define len twice.
	* fork.cc (sync_with_parent): should NOT use rc since
	this is a macro and that could have interfered with rc in
	the calling function.  Renamed to psync_rc.
	* fhandler_serial.cc (fhandler_serial::open): change
	access to myaccess since it shadows global decl.
	* hinfo.cc: ditto throughout
	* path.cc: ditto throughout
	(path_conv::path_conv): change error to err.

Wed Nov 18 16:17:58 1998  Geoffrey Noer  <[e-mail]>

	* profil.c: include stdio.h
	(print_prof): comment out unused func
	(profile_ctl): should return an int

Wed Nov 18 16:17:58 1998  Geoffrey Noer  <[e-mail]>

	* utils/ps.cc: include sys/cygwin.h, make pname buf
	MAXPATH in size.

	patch from Corinna Vinschen <[e-mail]>:
	* utils/ps.cc (main): converting windows paths to posix
	paths in output.

Wed Nov 18 15:34:46 1998  Geoffrey Noer  <[e-mail]>

	* include/wchar.h: include stddef.h.

Wed Nov 18 17:39:15 1998  Christopher Faylor <[e-mail]>