changelog-1998

cygwin, 著名的在win32下模拟unix操作系统的东东

	* environ.cc (environ_init): Fix incorrect TERM= detection.

Tue Nov 17 17:28:09 1998  Geoffrey Noer  <[e-mail]>

	* gcrt0.c: include stdlib.h, add proto for monstartup.

Tue Nov 17 16:47:42 1998  Geoffrey Noer  <[e-mail]>

	* include/wchar.h: add protos for wcslen and wcscmp.
	* syscalls.cc: minor reformat.

Tue Nov 17 15:38:45 1998  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::fhandler_base): Default non-disk
	devices to binary mode.
	* fhandler.h: Reformat slightly.

Tue Nov 17 11:19:23 1998  Christopher Faylor <[e-mail]>

	* external.cc (fillout_pinfo): Copy progname using strcpy to
	save on time.
	* path.h: Add new enums for more fine-grained control
	of path_conv.
	* dir.cc (opendir): Use enum argument to path_conv.
	(mkdir): Ditto.
	(rmdir): Ditto.
	* dlfcn.cc (get_full_path_of_dll): Ditto.
	* fhandler.h: Add new set_readahead_valid to set actual
	readahead.
	* fhandler.cc (raw_read): Remove extraneous variable.
	(fhandler_base::read): Rework to allow readahead when
	not text mode.
	(fhandler_disk_file::fstat): get_symlink_p() only returns
	true/false now.
	(fhandler_disk_file::fhandler_disk_file): Use enum argument
	to path_conv.
	(fhandler_disk_file::open): Ditto.
	* spawn.cc (perhaps_suffix): Ditto.
	* syscalls.cc (_unlink): Ditto.
	(_link): Ditto.
	(stat_worker): Ditto.
	(_rename): Ditto.
	* fhandler_serial.cc (fhandler_serial::open): Always reset timeouts.
	* path.cc (path_conv::path_conv): Honor new enum arguments.
	Specifically, use SYMLINK_CONTENTS for readlink interface.
	(readlink): Use SYMLINK_CONTENTS argument to path_conv.
	* select.cc: Rework serial support which has apparently never
	worked.

Mon Nov 16 16:15:20 1998  Geoffrey Noer  <[e-mail]>

	* Makefile.in: FLAGS_TO_PASS should pass CFLAGS and CXXFLAGS
	not ALL_CFLAGS and ALL_CXXFLAGS.  Rework handling of CFLAGS
	variables to remove duplication and make it possible to
	build mingw directory.

Mon Nov 16 09:40:21 1998  Christopher Faylor <[e-mail]>

	* syscalls.cc (_open): Use new macro to check for
	NULL or empty pathname and return appropriate error.
	* path.cc (check_null_empty_path*): Move macro to
	path.h.
	* path.h: Move macros here.

Sun Nov 15 20:23:10 1998  Geoffrey Noer  <[e-mail]>

	* include/cygwin/version.h: bump API_MINOR to 3 to mark
	addition of dll_noncygwin_dllcrt0 to exports list.

Sun Nov 15 23:05:21 1998  Christopher Faylor <[e-mail]>

	* path.cc (check_null_empty_path): New macro.
	(check_null_empty_path_errno): Ditto.
	(path_conv::path_conv): Check for NULL and empty
	path names here and set appropriate error.
	(conv_to_win32_path): Ditto.
	(conv_to_full_win32_path): Ditto.
	(conv_to_posix_path): Ditto.
	(conv_to_full_posix_path): Ditto.
	(mount_info::conv_wo_win32_path): Back out previous
	change.
	(mount_info::conv_to_posix_path): Ditto.

Sun Nov 15 19:29:19 1998  Geoffrey Noer  <[e-mail]>

	* include/limits.h: define CHILD_MAX to be 63.
	* sysconf.cc (sysconf): return CHILD_MAX when asked for
	instead of _POSIX_CHILD_MAX.

Sun Nov 15 18:25:22 1998  Geoffrey Noer  <[e-mail]>

	patch from Mumit Khan  <[e-mail]>:
	* path.cc (mount_info::conv_to_posix_path): Handle NULL and
	empty pathnames.
	(mount_info::conv_to_win32_path): Likewise.

Sun Nov 15 18:09:06 1998  Geoffrey Noer  <[e-mail]>

	* cygwin.din: export dll_noncygwin_dllcrt0.
	* {libccrt0.cc, winsup.h}: minor reformat.

Sat Nov 14 22:14:51 1998  Christopher Faylor <[e-mail]>

	* environ.cc (environ_init): Use sizeof for string lengths
	rather than hard-coded values.

	patch from Mumit Khan <[e-mail]>:
	* dll_init.cc (dll_foreign_dllcrt0): Rename to
	dll_noncygwin_dllcrt0.
	* winsup.h: Ditto.
	* include/cygwin/cygwin_dll.h: Ditto.

Sat Nov 14 14:09:33 1998  Christopher Faylor <[e-mail]>

	* hinfo.cc (hinfo::de_linearize_fd_array): Reset first fd
	for open to zero after an exec.

Sat Nov 14 01:29:23 1998  Christopher Faylor <[e-mail]>

	* fork.cc (fork): No need for intermediate jmp_buf variable.

	patch from Mumit Khan <[e-mail]>:
	* libccrt0.cc (cygwin_attach_foreign_dll): New function.
	* dll_init.cc (dll_foreign_dllcrt0): New function to initialize
	DLLs loaded by non-cygwin apps.
	(dll_dllcrt0_1): Initialize process table entry.
	(dll_dllcrt0): Revert last change to do partial initialization.
	* winsup.h (dll_foreign_dllcrt0): Prototype.
	* include/cygwin/cygwin_dll.h (_cygwin_foreign_dll_entry): New
	entry point that does partial initialization for non-cygwin apps.

Fri Nov 13 16:17:28 1998  Geoffrey Noer  <[e-mail]>

	Assorted -Wall cleanup:
	* utils/mount.cc (show_mounts): remove unused var i.
	* utils/cygcheck.cc (dll_info): comment out unused var ofs.
	(dump_sysinfo): return a void, not an int.  Comment out unused
	var len in two places.  Add parens around assignment used as
	truth value.
	* utils/kill.cc (main): remove unused var i
	* utils/mkpasswd: include <ctype.h> and <stdlib.h>.
	(enum_users): remove unused var rc.
	(enum_local_groups): ditto.
	* utils/ps.cc (main): Add parens around assignments used as
	truth values.
	* utils/mkgroup.c: include <ctype.h> and <stdlib.h>.
	(enum_groups): return void, not int.  Remove unused var rc.
	* gmon.c: include <stdio.h> and <unistd.h>.
	(_mcleanup): remove unused vars buf and profdir.

Fri Nov 13 16:17:28 1998  Geoffrey Noer  <[e-mail]>

	patch from Corinna Vinschen <[e-mail]>:
	* include/sys/sysmacros.h: new file, define major, minor, makedev

Fri Nov 13 17:03:52 1998  Christopher Faylor <[e-mail]>

	* dcrt0.cc: Reflect a variable name change.
	* fhandler.h: *::ready_for read takes an additional argument.
	* fhandler_console.cc (get_non_ascii_key): New function derived
	from fhandler_console::read1.
	(fhandler_console::read1): Use new function.
	* select.cc (*::ready_for_read): Add new "nonblocking" argument.
	(peek_console): Be more diligent in detecting when a usable
	character has been entered or false positives will be returned.
	(fhandler_tty_common::ready_for_read): Detect attempt to perform
	a "background" read.
	* syscalls.cc (read_handler): Remove code for dealing with slow
	devices.  Just deal with non-blocking here.
	(read_ready_thread): Renamed function.  Rewritten to only detect
	when an fd has data ready to be read.  Actual reads happen in
	the main thread.
	(_read): Rely on read_handler to read data for everything.  Use
	the read_ready_thread to indicate when data is ready to be read.
	Gut the read_thread_info class since it no longer needs to return
	much information.
	* winsup.h: Reflect above changes to read_thread_info.  Rename
	to read_ready_thread_info.

Fri Nov 13 15:09:26 1998  Christopher Faylor <[e-mail]>

	patch from Corinna Vinschen <[e-mail]> and
	Ron Parker <[e-mail]>:
	* path.cc (mount_info::conv_to_win32_path): Refined recognition of
	UNC devices.

Fri Nov 13 12:37:00 1998  Christopher Faylor <[e-mail]>

	* Makefile.in: Fix a typo.

Fri Nov 13 10:59:43 1998  DJ Delorie  <[e-mail]>

	* Makefile.in: "make" uses new "ld -shared" by default internally.

Fri Nov 13 00:58:38 1998  Christopher Faylor <[e-mail]>

	* spawn.cc (find_exec): Make sure that return value is correct
	in all cases.  Document.
	* fhandler.h (fhandler_tty_common): Give unit number to constructor.
	* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Give
	unit number to descriptor.  Create correct UNIX path name for
	tty so that ttyname() will work correctly.
	* select.cc (fhandler_tty_common::ready_for_read): Don't worry
	about read_for_read since the tty read routines are already
	interruptible.
	* syscalls.cc (_read): Reset read thread events on signal.

	patch from Mumit Khan <[e-mail]>:
	* dlfcn.cc (ctype.h): Include.
	(check_access): Document.
	(check_path_access): Document.
	(get_full_path_to_dll): Rework to handle general filenames and
	symlinks.

Thu Nov 12 17:01:52 1998  DJ Delorie  <[e-mail]>

	* Makefile.in (shared): "make shared" uses the new "ld -shared"
	* cygwin.din: add LIBRARY and BASE tags for "ld -shared"

Wed Nov 11 17:16:17 1998  Christopher Faylor <[e-mail]>

	* configure.in: Add --enable options for various cygwin defines
	including preliminary thread-safe defines.
	* configure: Regenerate
	* Makefile.in: Honor new --enable options.
	* glob.h: Move BSD defines to sys/cdefs.h.
	* include/sys/cdefs.h: Move __P definition here.

Wed Nov 11 14:00:45 1998  DJ Delorie  <[e-mail]>

	* cygwin.din (getpwnam): remove duplicates

Tue Nov 10 18:27:09 1998  Geoffrey Noer  <[e-mail]>

	* utils/aclocal.m4: regenerate with aclocal
	* utils/configure.in: don't call AM_CYGWIN32
	* utils/configure: regenerate

Tue Nov 10 15:56:03 1998  Geoffrey Noer  <[e-mail]>

	patch from Gary V. Vaughan <[e-mail]>:
	* dlfcn.cc (dlopen): return an introspective handle to the
	current module if name arg is NULL.  The Single UNIX
	Specification, Version 2 has this as a requirement.

Mon Nov  9 16:29:27 1998  Geoffrey Noer  <[e-mail]>

	* errno.cc (strerror): all errnos in
	newlib/libc/include/sys/errno.h are now listed here.

Mon Nov  9 16:29:27 1998  Geoffrey Noer  <[e-mail]>

	* include/cygwin/version.h: up DLL version, bump API_MINOR to 2
	to mark following change.

	patch from Mumit Khan <[e-mail]>:
	* cygwin.din: add exports for some of the newlib bessel
	functions (j1, jn, y1, yn).

Mon Nov  9 15:10:06 1998  Geoffrey Noer  <[e-mail]>

	* syscalls.cc (_link): rewrite FIXME.

Mon Nov  9 14:51:03 1998  Geoffrey Noer  <[e-mail]>

	* errno.cc (strerror): add string for EDEADLOCK.

	patch from Corinna Vinschen <[e-mail]>:
	* errno.cc (errmap[]): add END_OF_MEDIA and additional Win32
	error codes.

Sun Nov  8 21:28:01 1998  Christopher Faylor <[e-mail]>

	* fhandler.h: fhandler_pipe cannot be is_slow under
	Windows9[58].  There is no way to check for EOF on a pipe
	without performing a read on that system.
	* syscalls.cc (read_handler): Don't check for ready_for_read
	unless this is a "slow" device.
	* winsup.h: Reorganize to accomdate fhandler.h requirement
	for os_type.

Sat Nov  7 23:27:05 1998  Christopher Faylor <[e-mail]>

	* fhandler.h (fhandler_console): Add a new function declaration.
	* fhandler_console.cc (fhandler_console::read1): New function
	renamed from console_read to allow use of class fields.
	Detect readahead situation when doing line buffering and
	buffer does not contain \n.
	(fhandler_console::read): Reflect function name change.
	* select.cc (cygwin_select): Changes for better handling
	of < 1000 usec timeouts.
	(select_stuff::wait): Perform a poll on timeout to
	set any fd's that may have become active.
	(peek_pipe): More debugging.  Honor write_ready if set.
	(peek_console): Can't always use WaitForSingleObject.
	Detect readahead conditions set in fhandler_console::read1.
	Honor write_ready if set.
	(peek_windows): Honor write_ready if set.
	* times.cc (__to_clock_t): Return clock_t value.
	(times): Add some debugging printfs.

Fri Nov  6 20:15:20 1998  Christopher Faylor <[e-mail]>

	patch from Corinna Vinschen <[e-mail]>:
	* spawn.cc (spawn_guts): find_exec() argument mismatch
	resulted in inability to run !# scripts which did not
	begin with '/'.

Tue Nov  3 16:12:59 1998  Christopher Faylor <[e-mail]>

	* exceptions.cc (handle_exceptions): Don't wait for signal
	completion.
	(ctrl_c_handler): Ditto.
	* fhandler.h (fhandler_*): Declare new ready_for_read functions.
	* select.cc: Reorganize all methods into a peek_*, a poll_*,
	and a fhandler_*::ready_for_read.  This is to allow the _read
	function to query the state of an fd without starting a thread.
	* signal.cc (kill_worker): If sending a signal from a non-main thread
	don't wait for completion.
	* sigproc.h (myself_nowait_nonmain): New define for use by sig_send.
	* sigproc.cc (sig_send): Honor myself_nowait_nonmain.  Don't wait
	if not in main thread.
	(__release_signal_mutex): Revert to calling ReleaseMutex only
	once or mutex is released prematurely.
	* syscalls.cc (read_handler): Use new ready_for_read method to
	determine if an fd has data for reading.  This function optionally
	blocks until there is data to read.
	(read_helper): Add debugging statement.
	(_read): Move signal_arrived reset to before sig_protect to avoid
	a race.  Force read_handler thread to longjmp back to read_handler
	function on signal.

Tue Nov  3 12:18:31 1998  DJ Delorie  <[e-mail]>

	* utils/cygcheck.cc (dump_sysinfo): Note when not finding a
	program (like cpp) on the path is a good thing.

Tue Nov  3 01:26:08 1998  Geoffrey Noer  <[e-mail]>

	patch from Kazuhiro Fujieda <[e-mail]>:
	* environ.cc (environ_init): correct size arg to parse_options