changelog-1999

cygwin, 著名的在win32下模拟unix操作系统的东东

Sat Dec 25 12:46:25 1999  Christopher Faylor <[e-mail]>

	* dlfcn.cc (dlsym): Use correct HANDLE type for GetProcAddress.
	(dlclose): Ditto for FreeLibrary.
	* fhandler_windows.cc (fhandler_windows::set_close_on_exec): Properly
	coerce arguments to set_inheritance.
	(fhandler_windows::fixup_after_fork): Ditto for fork_fixup.
	* libcmain.cc (main): Simplify.
	* select.cc (peek_windows): Properly coerce argument to PeekMessage.

Sat Dec 25 12:30:25 1999  Christopher Faylor <[e-mail]>

	* Makefile.in: Eliminate unneeded .y SUFFIX.
	* dcrt0.cc (__api_fatal): Make "C".
	(do_global_ctors): Make __stdcall.
	(getprogname): Ditto.
	(insert_file): Ditto.
	(globify): Ditto.
	(build_argv): Ditto.
	(do_exit): Ditto.
	* debug.cc (regthread): Ditto.
	(makethread): Ditto.
	(threadname): Ditto.
	(find_handle): Ditto.
	(handle_list): Ditto.
	(add_handle): Ditto.
	* debug.h: Reflect changes to __stdcall.
	* shared.h: Ditto.
	* winsup.h: Ditto.

Sat Dec 25 12:09:10 1999  Kazuhiro Fujieda <[e-mail]>

	* path.cc (symlink): Don't return error if target is a symlink to a
	nonexistent file.

1999-12-23  DJ Delorie  <[e-mail]

	* Makefile.in: add support for "make check"
	* shared.cc: if $CYGWIN_TESTING is set, use a private shared area
	* cygrun.c: new, used to isolate dll-in-test
	* testsuite/*: new, rudimentary testsuite framework

Wed Dec 22 01:05:44 1999  Christopher Faylor <[e-mail]>

	* dcrt0.cc (globify): Properly handle embedded tildes in variable
	names.  Treat a c:\foo style path spec as "special", i.e., don't
	interpret the backslashes as quoting characters.

Fri Dec 17 10:49:13 1999  Christopher Faylor <[e-mail]>

	* path.cc (symlink): Return error if the target exists.

Thu Dec 16 22:36:45 1999  Christopher Faylor <[e-mail]>

	* path.cc: Change method for accessing com in windows_device_names to
	allow > 2 com ports.

Thu Dec 16 00:49:30 1999  Christopher Faylor <[e-mail]>

	* Makefile.in: Only build winver.o and version.o when required.

Sat Dec 11 11:06:45 1999  Corinna Vinschen  <[e-mail]>

	* path.cc (path_conv::path_conv): Ensure that a trailing slash is added
	to "x:" specifications.

Fri Dec 10 20:22:41 1999  Christopher Faylor <[e-mail]>

	* debug.cc (WFSO): Make __stdcall.
	(WFMO): Ditto.
	* debug.h: Reflect above changes.
	* exceptions.cc (sig_set_errno): Set errno to be in effect after a
	signal handler.
	(handle_sigsuspend): Use set_sig_errno to ensure that the correct errno
	is set after a signal handler.
	(interrupt_now): Accommodate default errno field in stack.
	(intterupt_on_return): Ditto.
	(sigreturn): Pop, test, and possibly restore saved errno on return from
	signal handler.
	* fhandler_console.cc (fhandler_console::read): Set errno to be in
	effect after a signal handler.
	* fhandler_serial.cc (fhandler_serial::raw_read): Ditto.
	* select.cc (cygwin_select): Ditto.
	(select_stuff:wait): Ditto.
	(peek_serial): Ditto.
	* syscalls.cc (_read): Ditto.
	* wait.cc (wait4): Ditto.
	* winsup.h (signal_dispatch): Add "saved_errno" field.

Thu Dec  9 23:35:45 1999  Christopher Faylor <[e-mail]>

	* debug.cc (threadname_init): Use new_muto macro to set up a static
	buffer for a muto.
	(debug_init): Ditto.
	(WFSO): Reinstate wrapper for WaitForSingleObject.
	(WFMO): Reinstate wrapper for WaitForMultipleObject.
	* debug.h: Declare the above two wrappers.
	* exceptions.cc (events_init): Use new_muto macro to set up a static
	buffer for a muto.
	* sigproc.cc (sigproc_init): Ditto.
	* sync.cc (muto::acquire): Don't bump waiters if we already own the
	muto.
	* sync.h (new): New operator.
	(delete): Ditto.
	(new_muto): New macro.

Dec 08 23:50:00 1999  Corinna Vinschen  <[e-mail]>

	* security.cc (get_nt_attribute): Add debug output.  Correct behaviour
	in case of NULL ACL.
	* syscalls.cc (stat_worker): Allow remote drives to get stat info from
	fh.fstat().
	* include/winnt.h: Add defines for W2K ACL control flags.
	* include/cygwin/socket.h: Add missing PF_NETBIOS.

Wed Dec  8 23:06:07 1999  Christopher Faylor <[e-mail]>

	* Makefile.in: Ensure that winver.o is a dependency for building the
	dll.
	* mkvers.sh: Attempt to call windres in a fashion that accommodates
	older and newer versions.
	* winver.c: Reorganize slightly to accommodate older versions of
	windres.
	* fhandler.cc (fhandler_disk_file::fstat): Avoid using Windows "inodes"
	on disks which do not support them.

Tue Dec  7 21:15:11 1999  Christopher Faylor <[e-mail]>

	* dll_init.cc (DllList::forkeeLoadDlls): Reverse order of Free/Load
	Library calls to ensure that references are resolved.
	* path.cc (mount_info::conv_to_win32_path): Ensure that returned
	windows paths are always normalized regardless of whether they were in
	windows format to begin with.

Tue Dec  7 08:48:22 1999  Christopher Faylor <[e-mail]>

	* environ.cc (parse_options): Properly detect end of known array.

Mon Dec  6 22:32:04 1999  Christopher Faylor <[e-mail]>

	* mkvers.sh: Generate winver.o from winver.rc and various other things
	from include/cygwin/version.h
	* winver.rc: New file (adapted from donation by Mumit Khan
	<[e-mail]>).
	* configure.in: Find windres.
	* configure: Regenerate.
	* Makefile.in: Link winver.o into cygwin1.dll.

Mon Dec  6 13:04:47 1999  Mumit Khan  <[e-mail]>

	* init.cc (dynamically_loaded): New global variable.
	(dll_entry): Use.
	* winsup.h (dynamically_loaded): Declare.
	* dcrt0.cc (do_global_ctors): Likewise.
	(set_os_type): Make static again.
	(dll_crt0_1): Handle dynamically_loaded case.
	* dll_init.cc (dll_dllcrt0_1): Delete.
	(dll_dllcrt0): Handle dynamically_loaded case.
	(dll_noncygwin_dllcrt0): Mark obsolescent.
	* libccrt0.cc (cygwin_attach_noncygwin_dll): Delete.
	* pinfo.cc (pinfo_init): Don't inherit parent fds if dynamically
	loaded.
	* include/cygwin/cygwin_dll.h (cygwin_attach_noncygwin_dll): Delete
	prototype.
	(_cygwin_noncygwin_dll_entry): Mark obsolescent.

Mon Dec  6 11:09:41 1999  Christopher Faylor <[e-mail]>

	* configure.in: Make threadsafe the default.
	* configure: regenerate.
	* utils/strace.cc: Fix a compiler warning.

Sun Dec  5 15:49:43 1999  Christopher Faylor <[e-mail]>

	* environ.cc (parse_options): Reinstate unions in parse_things, to
	save space.

Fri Dec  3 22:52:05 1999  Christopher Faylor <[e-mail]>

	Implement new signal-handling scheme which ensures that a program will
	not be interrupted while in a system or cygwin DLL.
	* Makefile.in: Add sync.o and dll_ofiles target.
	* dcrt0.cc (alloc_stack_hard_way): Add more defensive code to ensure
	that the stack is really grown.
	(alloc_stack): Ditto.
	(dll_crt0_1): Reorganize some initialization routines to ensure that
	they occur after the heap has been initialized.
	* debug.cc: Use muto for locks.  Eliminate attempts to avoid being
	interrupted by signals.
	(threadname_init): New function.
	(debug_init): Ditto.
	* debug.h: Declare debug_init and threadname_init.
	* exceptions.cc (stack_info::stack_info): Don't check for previous use
	of get().
	(handle_sigsuspend): Simply using new signal-handling scheme.
	(interruptible): New function.  Determines if PC should be interrupted.
	(interrupt_now): New function.  Causes immediate signal dispatch.
	(interrupt_on_return): New function.  Causes signal dispatch on return
	from cygwin or system routine.
	(call_handler): Simplify to use new signal-handling scheme.
	(set_process_mask): Use mask_sync muto to synchronize setting of
	process signal mask.
	(sig_handle_tty_stop): New function.  Called when have to stop process
	now.
	(sig_handle): Simplify to use new signal-handling scheme.
	(set_process_mask): Ditto.
	(events_init): Allocate mask_sync muto.
	(unused_sig_wrapper): New function.  Encapsulates assembly language
	signal handling support.
	* fhandler.h (class select_stuff): Accommodate new signal-handling
	scheme.
	* fhandler_console.cc (fhandler_console): Simplify to use new
	signal-handling scheme.
	* fhandler_serial.cc (fhandler_serial::raw_read): Ditto.
	* fhandler_termios.cc (bg_check): Ditto.
	* fhandler_tty.cc (process_input): Ditto.
	(fhandler_tty_slave::open): Ditto.
	(fhandler_tty_slave::send_ioctl_request): Ditto.
	* fork.cc: Ditto.
	* path.cc (chdir): Ditto.
	* select.cc: Ditto, throughout.
	* shared.h: Eliminate unneeded signal enum.
	* signal.cc (signal): Simplify to use new signal-handling scheme.
	(sleep): Ditto.
	(usleep): Ditto.
	(sigprocmask): Ditto.
	(sigaction): Ditto.
	(pause): Use handle_sigsuspend to pause for signal.
	* sigproc.cc: Change signal_arrived handle to global_signal_arrived
	class.  Change various mutex handles to mutos.
	(proc_subproc): Simplify to use new signal-handling scheme.  Use muto
	for locking.
	(get_proc_lock): Ditto.
	(proc_terminate): Ditto.
	(sig_dispatch_pending): Make a "C" function.  Return status of pending
	signals.
	(sigproc_init): Initialize global_signal_arrived.  Simplify to use new
	signal-handling scheme.  Initialize sync_proc_subproc muto.
	(sig_send): Eliminate __SIGSUSPEND considerations.  Simplify to use new
	signal-handling scheme.
	(__allow_sig_dispatch): Delete.
	(__block_sig_dispatch): Delete.
	(__get_signal_mutex): Delete.
	(__release_signal_mutex): Delete.
	(__have_signal_mutex): Delete.
	(wait_sig): Simplify to use new signal-handling scheme.
	* sigproc.h: Implement signal_arrived classes.
	* smallprint.c (__small_vsprintf): Avoid printing a leading '*' in
	function name with %F format.
	* spawn.cc (spawn_guts): Simplify to use new signal-handling scheme.
	(iscmd): Don't consider a filename to be a "command" unless it contains
	a ':'.
	* syscalls.cc (_read): Ditto.
	(_open): Ditto.
	(_close): Ditto.
	* termios.cc (tcsendbreak): Ditto.
	(tcdrain): Ditto.
	(tcflush): Ditto.
	(tcflow): Ditto.
	(tcsetattr): Ditto.
	(tcgetattr): Ditto.
	* winsup.h: Reorganize include files.  Add preliminary __sig_protect
	implementation.
	* cygwin/version.h: Bump current version to 1.1.0.

Thu Dec  2 22:19:40 1999  Christopher Faylor <[e-mail]>

	* sync.cc (muto::muto): Use an event rather than a semaphore for wait
	synchronization.
	(muto::acquire): Rewrite to use an event and try to remove races.
	(muto::release): Ditto.

1999-12-02  DJ Delorie  <[e-mail]>

	* environ.cc (parse_options): switch to a static initializer;
	templates are sensitive to g++ bugs.

Fri Nov 26 12:04:23 1999  Christopher Faylor <[e-mail]>

	* net.cc (cygwin_bind): Ensure that non-Unix domain socket operations
	return success correctly.

Wed Nov 24 21:37:58 1999  Christopher Faylor <[e-mail]>

	* net.cc (cygwin_bind): Guard against incorrectly setting res to zero
	when there is an error condition.

Tue Nov 23 17:49:55 1999  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::fhandler_base): Use better initialization
	scheme.
	* fork.cc (stack_base): Eliminate unneeded asm stuff.
	* select.cc: Sprinkle in some comments.
	* include/winnt.h: Add more CONTEXT.

Nov 23 20:51:00 1999  Corinna Vinschen  <[e-mail]>

	* net.cc (cygwin_bind): Use struct sockaddr_un in AF_UNIX code.  Set
	errno to ENAMETOOLONG if length of pathname exceeds limit in AF_UNIX
	code.  Sets errno to EADDRINUSE in AF_UNIX code if file system socket
	object already exists.
	* syscalls.cc (setsid): Set errno to EPERM if current process is
	already process group leader.
	* uinfo.cc (internal_getlogin): Rearrange for better debug output.  Set
	pi->psid to NULL if SID can't be determined.
	* include/cygwin/socket.h: Add AF_LOCAL and PF_LOCAL
	(same as AF_UNIX) for POSIX compatibility.
	* include/sys/un.h: Add UNIX_PATH_LEN define.  Added SUN_LEN macro for
	POSIX compatibility.

Sun Nov 21 22:55:04 1999  Christopher Faylor <[e-mail]>

	* environ.cc (parse_options): Return immediately after dealing with
	NULL argument.  Don't try to process it.

Tue Nov 16 23:29:17 1999  Christopher Faylor <[e-mail]>

	* signal.cc (kill_worker): Guard against NULL dereference when thread
	safe.

Sat Oct 30 00:59:38 1999  Christopher Faylor <[e-mail]>

	* Makefile.in: Some general cleanup.
	* smallprint.c (__small_vsprintf): Accommodate new format for
	__PRETTY_FUNCTION__.

Wed Oct 27 16:13:36 1999  Christopher Faylor <[e-mail]>

	* path.cc (mount_info::from_registry): Don't allow the same posix path