merge from gcc

[newlib-cygwin.git] / winsup / cygwin / ChangeLog

Sat Mar 10 15:22:44 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_rename): Set errno to ENOENT when an old path doesn't
	exist (from Kazuhiro Fujieda <fujieda@jaist.ac.jp>).  Also set EACCES
	when directory is not writable.

Wed Mar  7 15:49:47 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_read): Change definition to return ssize_t to be
	consistent with read.
	(_write): Change definition to return ssize_t to be consistent with
	write.

Wed Mar  7 01:08:21 2001  Christopher Faylor <cgf@cygnus.com>

	* sigproc.h (sigthread): Declare new methods.  Create new winapi_lock
	field.
	(sigframe:;set): Call get_winapi_lock after frame is set so that signal
	handler thread knows not to call SuspendThread.
	(sigframe::~sigframe): Release winapi_lock.
	* exceptions.cc (sigthread::get_winapi_lock): New method.
	(sigthread::release_winapi_lock): New method.
	(setup_handler): Use get_winapi_lock to ensure that signalled thread is
	not blocked in a Windows API.

	* path.h (path_types): Avoid broken GCC warning.

Tue Mar  6 14:02:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* path.cc (suffix_scan::has): Change order of conditionals
	to allow checking for .lnk suffixes even if in_suffixes is empty.

Tue Mar  6 13:02:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* autoload.c (cygwin_premain0): Add missing parameter.
	* binmode.c (cygwin_premain0): Ditto.
	* textmode.c (cygwin_premain0): Ditto.

Tue Mar  6 12:04:00 2001  Jason Tiller <jtiller@sjm.com>

	* auto_load.cc: Add "GetKeyboardLayout" entry in the list of
	Win32 User32.DLL exports to provide.
	* fhandler.h (class fhandler_console): Add meta_mask private
	member to remember which keystroke modifiers should generate
	META.
	* fhandler_console.cc (fhandler_console::read): Modify code that
	tests a keystroke for a META-escaped key to use the 'meta_mask'
	variable.
	(fhandler_console::fhandler_console): Add definition for
	variable "meta_mask" used to determine if a keystroke should be
	preceded by META in the client console stream.  Set meta_mask
	based on whether or not user's keyboard language is English -
	non-English keyboards pass AltGr (right <ALT>) unmolested,
	whereas English keyboards now interpret left- and right-<ALT>
	as META.

Mon Mar  5 20:15:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* include/a.out.h: Add copyright hint.
	* include/fcntl.h: Ditto.
	* include/lastlog.h: Ditto.
	* include/memory.h: Ditto.
	* include/mntent.h: Ditto.
	* include/paths.h: Ditto.
	* include/poll.h: Ditto.
	* include/syslog.h: Ditto.
	* include/termio.h: Ditto.
	* include/tzfile.h: Ditto.
	* include/arpa/inet.h: Ditto.
	* include/asm/byteorder.h: Ditto.
	* include/asm/socket.h: Ditto.
	* include/asm/types.h: Ditto.
	* include/cygwin/if.h: Ditto.
	* include/cygwin/mtio.h: Ditto.
	* include/cygwin/rdevio.h: Ditto.
	* include/cygwin/socket.h: Ditto.
	* include/net/if.h: Ditto.
	* include/netinet/in.h: Ditto.
	* include/netinet/in_systm.h: Ditto.
	* include/netinet/ip.h: Ditto.
	* include/netinet/ip_icmp.h: Ditto.
	* include/netinet/tcp.h: Ditto.
	* include/sys/cdefs.h: Ditto.
	* include/sys/cygwin.h: Ditto.
	* include/sys/ioctl.h: Ditto.
	* include/sys/mman.h: Ditto.
	* include/sys/mount.h: Ditto.
	* include/sys/mtio.h: Ditto.
	* include/sys/procfs.h: Ditto.
	* include/sys/resource.h: Ditto.
	* include/sys/smallprint.h: Ditto.
	* include/sys/socket.h: Ditto.
	* include/sys/strace.h: Ditto.
	* include/sys/syslog.h: Ditto.
	* include/sys/sysmacros.h: Ditto.
	* include/sys/termio.h: Ditto.
	* include/sys/termios.h: Ditto.
	* include/sys/uio.h: Ditto.
	* include/sys/un.h: Ditto.
	* include/sys/utsname.h: Ditto.
	* include/sys/vfs.h: Ditto.
	* include/sys/wait.h: Ditto.
	* regexp/regerror.c: Ditto.
	* regexp/regexp.h: Ditto.
	* regexp/regmagic.h: Ditto.

Mon Mar  5 01:25:03 2001  Christopher Faylor <cgf@cygnus.com>

	* dlopen.c (dlopen): Return NULL when name is NULL (suggested by
	chrisiasci@aol.com).

	* cygwin.din: Add a new, internally used export -
	_check_for_executable.
	* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries.
	Pass user_data to premain functions.
	* fhandler.cc (fhandler_disk_file::open): Only check for executable if
	the linked program is intereested in the executable bit.
	(fhandler_disk_file::check_execable_p): Delete.
	* fhandler.h (executable_states): New enumeration of various states of
	executable bit caring.
	(fhandler_base::set_execable_p): New method.

	* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal
	has been sent to the tty.  Return -1 when this is so.
	* fhandler_console.cc (fhandler_console::read): Return -1 when signal
	sending character encountered.

	* path.cc (path_conv::check): Record when path refers to a disk device.
	Move executable extension check here.
	(check_sysfile): Accomodate new EXEC path states.
	(has_suffix): Remove.
	(next_suffix): Remove.
	(class suffix_scan): New clas.
	(suffix_scan::has): New method.
	(suffix_scan:next): New method.
	(symlink_info::check): Use suffix_scan method to control for scanning
	for suffixes.
	* path.h (path_conv::exec_state): New method.
	* perprocess.h: Make "C" friendly.
	* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC.
	Bump CYGWIN_VERSION_API_MINOR.
	* include/sys/cygwin.h: Change premain declarations.

	* winsup.h: Move __cplusplus test to after builtin defines.

2001-03-04  Egor Duda  <deo@logos-m.ru>

	* fhandler.h (class fhandler_tty_common): New mutex and event to
	syncronize input on master tty with slave tty.
	* fhandler_tty.cc (fhandler_pty_master::accept_input): Use them to
	syncronize with slave.
	* fhandler_tty.cc (fhandler_tty_slave::read): Use input mutex and
	event to syncronize with master. Do not limit amount of data read
	from master to vmin value. Interrupt on signal and return already
	read data, if any.
	* fhandler_tty.cc (fhandler_tty_slave::open): Handle input mutex and
	event.
	* fhandler_tty.cc (fhandler_tty_common::close): Ditto.
	* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.
	* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Ditto.
	* fhandler_tty.cc (fhandler_tty_common::dup): Ditto.
	* tty.h (tty::open_input_mutex): New function.
	* tty.cc (tty::common_init): Create input mutex and event.

Fri Mar  2 13:32:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* dir.cc (readdir): Fix creating path in symlink check.

Fri Mar  2 12:33:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* dir.cc (readdir): Fix shortcut==symlink condition.
	* environ.cc: Add extern decl for `allow_winsymlinks'.
	(struct parse_thing): Add entry for `[no]winsymlinks'.
	* path.cc (symlink): Change to be able to create both,
	symlink==shortcut and symlink==systemfile, dependent of
	the setting of `allow_winsymlinks'.
	* security.cc (cygwin_logon_user): Add debug output.
	* shortcut.c: Add defines from path.h.
	(has_exec_chars): Copy from path.h.
	(check_shortcut): Check for executable file condition if not a
	shortcut.

Thu Mar  1 21:06:07 2001  Christopher Faylor <cgf@cygnus.com>

	* exceptions.cc (sig_handle_tty_stop): Ignore attempts to suspend a
	process if started by non-cygwin parent.

Thu Mar  1 20:48:11 2001  Christopher Faylor <cgf@cygnus.com>

	* select.cc (peek_console): Don't report read_ready on mouse events
	unless we are looking for mouse events.
	* fhandler.h (fhandler_console::mouse_aware): New method.

Wed Feb 28 15:10:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* uinfo.cc: Eliminate `#include <wchar.h>'.

2001-02-28  Egor Duda  <deo@logos-m.ru>

	* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Determine
	drive geometry or partition size to allow seeking from the end of
	raw floppy device. Don't allow positioning past the end of media or
	to offsets bigger then max off_t.

2001-02-27  Egor Duda  <deo@logos-m.ru>

	* fhandler.h (class fhandler_console): Make all variables that
	describe "state" of console to be members of fhandler_console.
	default_color is now the color which is set when console recieves
	reset command.
	* fhandler_console.cc (fhandler_console::fhandler_console): Turn
	mouse handling and raw keyboard mode off by default. Initialize
	state information.
	* fhandler.cc (fhandler_console::set_raw_win32_keyboard_mode): New
	function.
	* fhandler_console.cc (fhandler_console::set_default_attr): New
	function. Reset console attributes to default values.
	* fhandler_console.cc (fhandler_console::open): Reset attributes.
	* fhandler_console.cc (fhandler_console::get_win32_attr): New function.
	Calculate win32-style console attribute based on terminal attributes.
	* fhandler_console.cc (fhandler_console::set_cursor_maybe): Use
	member variable.
	* fhandler_console.cc (fhandler_console::read): If in raw-win32
	keyboard mode, encode win32 keyboard events in \033{x;y;z;t;u;wK
	sequences.
	* fhandler_console.cc (fhandler_console::dup): Copy all state
	information to the dup()ed handle.
	* fhandler_console.cc (fhandler_console::scroll_screen): Use current
	fill-in	attribute.
	* fhandler_console.cc (fhandler_console::clear_screen): Ditto.
	* fhandler_console.cc (fhandler_console::char_command): Check if we
	saw '?' symbol by member variable. Set terminal	attributes on \033[Xm
	commands. \033[24m - turn off underline mode, \033[27m - turn off
	reverse mode, \033[39m - restore default foreground color.
	\033[49m - restore default background color. \033[2000h - turn on raw
	keyboard mode, \033[2000l - turn off raw keyboard mode.
	* fhandler_console.cc (fhandler_console::write): Set attribues to
	default values on reset command.

2001-02-26  Mike Simons  <msimons@moria.simons-clan.com>

	* times.cc (settimeofday): Replace function stub with working code.

Mon Feb 26 10:42:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* strace.cc (strace::vprntf): Move prntf functionality to this function
	adding an va_list interface to strace.
	(strace::printf): Calls strace::vprntf now.
	(strace_printf): New function providing an extern "C" interface to
	trace output.
	* include/sys/strace.h: Make plain C clean.
	(class strace): Add `vprntf' method.

Mon Feb 26  0:10:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* shortcut.c: Remove #include <sys/strace.h>.

Sun Feb 25 10:32:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* path.cc (symlink): Add a ".lnk" suffix regardless. Add a comment.

Sun Feb 25 10:18:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* shortcut.c (check_shortcut): Change symlink condition.

Fri Feb 23 10:42:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (fhandler_disk_file::mmap): Use `addr' correctly.
	* fhandler_mem.cc (fhandler_dev_mem::mmap): Ditto.

Thu Feb 22 17:09:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* path.cc (symlink): Keep relative paths relative in the DOS
	path inside of a shortcut. If that's impossible or the target
	path is already absolute save an absolute path.

Thu Feb 22 15:33:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* cygerrno.h: Revert previous patch.
	* errno.cc: Ditto.
	* dir.cc: Eliminate `dir_suffixes'.
	(opendir): Remove usage of `dir_suffixes'.
	(rmdir): Ditto.
	* fhandler.cc (fhandler_disk_file::open): Remove usage of
	`inner_suffixes'.
	* path.cc: Rename `inner_suffixes' to `lnk_suffixes'.
	(path_conv::check): Remove usage of `inner_suffixes'.
	(symlink): Ditto.
	(symlink_info::check): Handle checking for `.lnk' in path_conv
	exclusively here.
	(chdir): Remove usage of `dir_suffixes'.
	* shortcut.c: Eliminate debug_printf lines.
	(check_shortcut): Don't set error except on failing ReadFile.
	* spawn.cc: Remove ".lnk" from `std_suffixes'.
	* syscalls.cc (_unlink): Remove usage of `inner_suffixes'.
	Remove ".lnk" from `stat_suffixes'.
	(_rename): Add check for renaming a symlink to keep the ".lnk"
	suffix after renaming.

Thu Feb 22 13:38:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* shortcut.c: New file. Provides a C interface to reading of
	Windows shortcuts to avoid compiler flag `-fvtable-thunks'.
	* shortcut.h: Ditto.
	* Makefile.in: Add shortcut.o to DLL_OFILES.
	* cygerrno.h: Provide a C interface to `geterrno_from_win_error' for
	using in shortcut.c.
	* errno.cc (geterrno_from_win_error): Define as extern "C".
	* path.cc (struct symlink_info): Remove methods `check_shortcut' and
	`check_sysfile'.
	(shortcut_header): Move to shortcut.c.
	(shortcut_initalized): Ditto.
	(create_shortcut_header): Ditto.
	(cmp_shortcut_header): Ditto.
	(symlink_info::check_shortcut): Ditto. Reorganize as a plain C function.
	(symlink_info::check_sysfile): Redefine as a global function using the
	same parameter list as `check_shortcut' for clearness.
	(symlink_info::check): Change parameter list for calls to
	`check_shortcut' and `check_sysfile'.

Thu Feb 22 12:04:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.cc (fhandler_disk_file::open): Use `inner_suffixes' when
	resolving real_path.
	* path.cc (symlink): Ditto for win32_topath.

Wed Feb 21 22:41:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* Makefile.in: Add `-lshell32 -luuid' to link pass for new-cygwin1.dll.
	* autoload.cc: Add LoadDLLinitfunc for ole32.dll.
	Add LoadDLLfuncEx statements for CoInitialize@4, CoUninitialize@0
	and CoCreateInstance@20.
	* dir.cc (dir_suffixes): New datastructure.
	(readdir): Check for R/O *.lnk files to hide the suffix.
	(opendir): Use `dir_suffixes' in path conversion.
	(rmdir): Ditto.
	* fhandler.cc (fhandler_disk_file::fstat): Add S_IFLNK flag
	before calling `get_file_attribute'. Take FILE_ATTRIBUTE_READONLY
	into account only if the file is no symlink.
	* path.cc (inner_suffixes): New datastructure.
	(SYMLINKATTR): Eliminated.
	(path_conv::check): Use `inner_suffixes' on inner path components.
	(shortcut_header): New global static variable.
	(shortcut_initalized): Ditto.
	(create_shortcut_header): New function.
	(cmp_shortcut_header): Ditto.
	(symlink): Create symlinks by creating windows shortcuts. Preserve
	the old code.
	(symlink_info::check_shortcut): New method.
	(symlink_info::check_sysfile): Ditto.
	(symlink_info::check): Check for shortcuts. Move code reading
	old system attribute symlinks into symlink_info::check_sysfile().
	(chdir): Use `dir_suffixes' in path conversion.
	* security.cc (get_file_attribute): Check for S_IFLNK flag.
	Force 0777 permissions then.
	* spawn.cc (std_suffixes): Add ".lnk" suffix.
	* syscalls.cc (_unlink): Use `inner_suffixes' in path conversion.
	Check for shortcut symlinks to eliminate R/O attribute before
	calling DeleteFile().
	(stat_suffixes): Add ".lnk" suffix.
	(stat_worker): Force 0777 permissions if file is a symlink.

2001-02-21  Egor Duda  <deo@logos-m.ru>

	* sigproc.cc (getsem): Make semaphore always non-inheritable.

Mon Feb 19 22:25:53 2001  Christopher Faylor <cgf@cygnus.com>

	* dcrt0.cc (locale_init): Remove.

2001-02-15  Kazuhiro Fujieda  <fujieda@jaist.ac.jp>

	* cygwin.din: Export rand48 functions.
	* thread.cc (MTinterface::Init): Remove the initialization of
	`reent_data'.
	* dcrt0.cc: Add the initalizer to the declaration of `reent_data'.
	* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 35.

2001-02-16  Egor Duda  <deo@logos-m.ru>

	* signal.cc (signal): Prohibit setting handlers for SIGKILL and
	SIGSTOP
	* signal.cc (sigaction): Ditto
	* syscalls.cc (_lseek): Return EINVAL on invalid input

Wed Feb 14 14:54:40 2001 Christophe Iasci <chrisiasci@aol.com>

	* dlfcn.cc (dlopen): Do not call LoadLibrary with a NULL pointer, when
	the library is not found

2001-02-14  Egor Duda  <deo@logos-m.ru>

	* fhandler_console.cc (fhandler_console::char_command): Ignore unknown
	rendition codes in \033[xx;yym control sequences

Fri Feb  9 23:19:01 2001  Christopher Faylor <cgf@cygnus.com>

	* fork.cc (fork_parent): Return EAGAIN when can't record pid.
	* pinfo.h (pinfo::remember): Return value of call to proc_subproc.
	* sigproc.cc (proc_subproc): Return error if can't record pid.

Fri Feb  9 12:17:27 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (mknod): Add valid parameters.

Thu Feb  8 22:09:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Check for reusing a mapping only on MAP_SHARED
	and on MAP_PRIVATE|MAP_ANON in the special case of offset 0.

Thu Feb  8 21:57:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (class list): Add member `hash'.
	(list::list): Initialize `hash'.
	(list::get_list_by_fd): Use filepath hash value to get the correct
	mapping list if it's not an anonymous mapping.
	(map::add_list): Initialize `hash' with filepath hash value.
	(mmap): Check for reusing a mapping only on MAP_SHARED.

Wed Feb  7 18:47:36 2001  Christopher Faylor <cgf@cygnus.com>

	* signal.cc (killpg): Correct first argument.

Wed Feb  7 22:22:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* autoload.cc: Add LoadDLLinitfunc for iphlpapi.dll.
	Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
	* fhandler_socket.cc (fhandler_socket::ioctl): Move variable
	definitions to the beginning of the function to allow better debugging.
	Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
	* net.cc: Include iphlpapi.h.
	(get_2k_ifconf): Rewritten. Uses IP Helper API now.
	(get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
	and SIOCGIFMTU.
	(get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
	(get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
	Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
	Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
	on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
	* include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
	and SIOCGIFMTU.
	* include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
	(struct ifreq): Add `ifru_hwaddr'.

Tue Feb  6 15:04:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* syscalls.cc (stat_worker): Add a check for the special case when
	a process creates a file using mode 000 using ntsec.

Mon Feb  5 17:00:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Always add GENERIC_READ access
	when opening raw disk devices.
	* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Implement bytewise
	access.
	* fhandler_raw.cc (fhandler_dev_raw::open): Always open raw disk device
	binary.
	(fhandler_dev_raw::raw_write): Don't drop read buffer content when
	writing after read.

Mon Feb  5 13:30:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap_record::fixup_map): New method to duplicate
	the memory protection in a just forked child.
	(mmap): Realign gran_len to page boundary only on anonymous
	mapping before saving in the mmap_record.
	(munmap): Cleanup code.
	(msync): Ditto.
	(fixup_mmaps_after_fork): Ditto. Call mmap_record::fixup_map now.

Thu Feb  1 23:08:29 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (creturn): Correctly calculate cygheap_max.

Wed Jan 31 10:04:58 2001  Christopher Faylor <cgf@cygnus.com>

	* shared.cc (shared_info::initialize): Reduce size of heap.

Wed Jan 31 13:22:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* include/sys/resource.h: Fix typo.

Wed Jan 31 13:20:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* include/sys/resource.h: Add RLIMIT_NLIMITS and RLIM_NLIMITS.

Tue Jan 30 18:15:23 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump version to 1.3.0.

Tue Jan 30  8:55:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* pinfo.cc (pinfo::init): Use INVALID_HANDLE_VALUE instead of
	explicit cast (HANDLE) 0xffffffff.
	* shared.cc (open_shared): Ditto.

Mon Jan 29 17:15:22 2001  Bill Hegardt <bill@troyxcd.com>

	* fhandler_serial.cc (raw_write): Use local copy of OVERLAPPED
	structure instead of shared structure to fix a race condition between
	read/write.

Mon Jan 29 14:30:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Remove obsolete check for MAP_SHARED|MAP_ANON as
	being invalid.

Mon Jan 29 10:23:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap_record::find_empty): Fix loop condition.

Sun Jan 28 19:40:40 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_link): Make sure that newpath does not exist.  Set
	errno if it does.

Sun Jan 28 19:29:08 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (init_cheap): Don't specify a load address for the heap.
	It doesn't work on #!*& Windows 9x.
	(cygheap_init): Move GetUserName to memory_init.
	* dcrt0.cc (dll_crt0_1): Call new memory_init functin, eliminate call
	to heap_init.
	* heap.cc (heap_init): Improve error output.
	* heap.h: Correct some declarations.
	* shared.cc (mount_table_init): Remove.
	(memory_init): Renamed from shared_init.  Reorganize to accomodate
	strange Windows 9x problems with cygheap/heap interaction.
	* shared_info.h: Rename shared_init to memory_init.

Sun Jan 28 01:25:33 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump API version.

Sun Jan 28 01:18:22 2001  Christopher Faylor <cgf@cygnus.com>

	* cygheap.cc (init_cheap): Move username initialization.
	(cygheap_init): Here.
	* shared_info.h (mount_info): Add a sys_mount_table_counter field.
	(shared_info): Ditto.
	* path.cc (mount_info::conv_to_win32_path): Check that our mount table
	is in sync with the system mount table and reinitialize it if not.
	(mount_info::add_reg_mount): Bump sys_mount_table counters if the
	system mount table changes.
	(mount_info::del_reg_mount): Ditto.
	(mount_info::write_cygdrive_info_to_registry): Ditto.
	(mount_info::remove_cygdrive_info_from_registry): Ditto.

Sun Jan 28 00:28:30 2001  Christopher Faylor <cgf@cygnus.com>

	Throughout, change 'cygwin_shared.mount' to 'mount_table'.
	* child_info.h (child_info): Move shared_h, console_h to cygheap.  Add
	mount_h.
	* cygheap.h (init_cygheap): Add shared_h, console_h.
	* cygheap.cc (init_cheap): Initialize heap at a fixed location after
	the shared memory regions.  Initialize cygheap->user name here.
	* dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants.
	Remove cygheap_init since it is done in shared_init now.
	(_dll_crt0): Initialize mount_h, remove shared_h and console_h
	initialization.
	* fhandler_console.cc (console_shared_h): Eliminate.
	(get_tty_stuff): Use cygheap->console_h rather than console_shared_h.
	* heap.cc (heap_init): Use page size constant calculated earlier in
	initialization.
	* shared.cc: Eliminate cygwin_shared_h.  Add cygwin_mount_h.
	(mount_table_init): New function for initializing a user mount table.
	(open_shared_file_map): Use constant for shared memory region.
	Initialize cygheap and mount table here.
	(open_shared): Improve debugging output.
	(shared_info::initialize): Eliminate call to mount.init.
	(shared_terminate): Use cygheap->shared_h.  Close cygwin_mount_h.
	(open_shared_file_map): Eliminate.
	* shared_info.h (mount_info): Add a version field.
	(shared_align_past): New macro for calculating location for shared
	memory regions.
	* sigproc.cc (init_child_info): Eliminate shared_h, console_h.
	* spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different
	user.
	* syscalls.cc (system_info): New global holding system memory defaults.
	(getpagesize): Use system_info.
	* uinfo.cc (internal_getlogin): Only fill in user name if nonexistent.
	* winsup.h: Declare system_info.

	* passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than
	retrieving the name again.

Sat Jan 27 10:18:02 2001  Christopher Faylor <cgf@cygnus.com>

	* path.cc (path_conv::check): Detect when path has symlinks.
	(symlink_info::check): Remove debugging stuff.
	(chdir): Use posix'ized win32 path if cd'ed to a path using symlinks.

Fri Jan 26 21:20:28 2001  Christopher Faylor <cgf@cygnus.com>

	* exceptions.cc (sigreturn): Call any pending signals prior to
	resetting the signal mask so that stacked signals behave correctly.
	(sigdelayed): Avoid a race where a signal could end up calling an
	incorrect signal handler if two signals come in close together.

Tue Jan 23 21:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (fhandler_disk_file::mmap): Call CreateFileMapping with
	len != 0 only when performing an anonymous mapping.

Mon Jan 22 15:35:28 2001  Christopher Faylor <cgf@cygnus.com>

	* path.h: Add a new constant.
	* syscalls.cc (_read): Oscillate errno check.

Mon Jan 22 15:27:12 2001  Christopher Faylor <cgf@cygnus.com>

	* include/cygwin/version.h: Bump API to reflect setlogmask.

Sun Jan 21 22:40:25 2001  Jason Tishler <jt@dothill.com>

	* cygwin.din: Add export for setlogmask().
	* syslog.cc (setlogmask): New function.

Thu Jan 18 10:27:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* resource.cc (setrlimit): Support RLIMIT_NOFILE.

Wed Jan 17 23:23:12 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (setdtablesize): Call with amount to increment not total
	amount.  Return success or failure error code.

Wed Jan 17 09:47:13 2001  Christopher Faylor <cgf@cygnus.com>

	* autoload.cc (LoadDLLinitfunc): Remove debugging statement.

	* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to
	earlier in interrupt.
	((interrupt_setup): i.e., here.
	(sig_handle): Don't queue multiple SIGSTOPS.
	* fhandler.h (bg_check_types): Enumerate return value of bg_check for
	clarity.
	* signal.cc (kill_pgrp): Minor cleanup.
	* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type
	for function return.  Don't raise signal if a signal is already queued.
	* fhandler_console.cc (fhandler_console::read): Use enumerated return
	type for bg_check.
	* select.cc: Ditto, throughout.
	* read.cc: Ditto, throughout.
	* termios.cc: Ditto, throughout.
	(_read): YA interrupt detect simplification.
	* wait.cc (wait4): Ditto.

Wed Jan 17 10:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* cygheap.cc (cygheap_user::~cygheap_user): Temporarily
	disable free'ing memory.

Tue Jan 16 18:01:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Initialize fh to avoid compiler warnings.

Mon Jan 15 21:07:00 2001  Christopher Faylor <cgf@cygnus.com>

	* wait.cc (wait4): Rename variable for consistency.  Allow restartable
	signal behavior.

Mon Jan 15 23:15:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc (mmap): Add more parameter checking. Change error output
	in case of EINVAL. Treat mmapping /dev/zero like MAP_ANONYMOUS.

Mon Jan 15 20:34:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* mmap.cc: include <unistd.h>. Define some bit operations for
	the new page map.
	(mmap_record): Change type of base_address_ to caddr_t.
	Add map_map_ member. Add several methods to manipulate map_map_.
	(mmap_record::alloc_map): New method.
	(mmap_record::free_map): Ditto.
	(mmap_record::find_empty): Ditto.
	(mmap_record::map_map): Ditto.
	(mmap_record::unmap_map): Ditto.
	(list::add_record): Change return type to `mmap_record *'.
	Allocate page map.
	(list::match): New method.
	(mmap): Partly rewritten to take care for the new page map. Add some
	parameter checking.
	(munmap): Ditto.

Mon Jan 15 13:50:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* heap.cc (heap_init): Fix extern declaration of getpagesize.
	* syscalls.cc (getpagesize): Fix another typo.

Mon Jan 15 12:48:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* syscalls.cc (getpagesize): Save pagesize in global variable to
	avoid calling GetSystemInfo too often.
	* heap.cc (getpagesize): Eliminate.
	(heap_init): Use getpagesize function from syscalls.cc.

Mon Jan 15 11:56:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* sysconf.cc (sysconf): return `getpagesize ()' on _SC_PAGESIZE
	request to avoid implementing the same twice.

Sun Jan 14 14:07:50 2001  Christopher Faylor <cgf@cygnus.com>

	* syscalls.cc (_read): Use more lightweight method for determining if
	read has been interrupted by a signal.

Fri Jan 12 00:35:15 2001  Christopher Faylor <cgf@cygnus.com>

	* debug.h: Add regparm attributes to some functions.

	* signal.cc (sigaction): Don't treat SIGCONT specially.

	* exceptions.cc (interrupt_setup): Save sa_flags of interrupted signal
	for later use.
	(sig_handler): Default any stopping signal to SIGSTOP.
	(call_signal_handler): New function.
	(sigdelayed0): New function.
	* sigproc.cc (sigproc_init): Initialize SIGSTOP sigaction for special
	behavior.
	* sigproc.h: Define call_signal_handler.
	* syscalls.cc (_read): Allow restartable signal behavior.

Thu Jan 11 13:17:00 2001  Corinna Vinschen <corinna@vinschen.de>

	* fhandler.h (fhandler_base): New method `fixup_mmap_after_fork'.
	(fhandler_disk_file: Ditto.
	(fhandler_dev_mem): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::open): Set OBJ_INHERIT attribute
	for device\physicalmemory handle.
	(fhandler_dev_mem::mmap): Ditto.
	* fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork): New
	method.
	* mmap.cc (mmap_record): Add private `fdesc_' member.  Change
	constructor accordingly.
	(get_fd): New method.
	(mmap): Use new mmap_record constructor.
	(fhandler_base::fixup_mmap_after_fork): New method.
	(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
	(fixup_mmaps_after_fork): Call `fixup_mmap_after_fork' of appropriate
	fhandler class.

Wed Jan 10 22:08:30 2001  Kazuhiro Fujieda  <fujieda@jaist.ac.jp>

	* sigproc.cc (wait_sig): Allow SIGCONT when stopped.

Tue Jan  9 16:55:00 2001  Corinna Vinschen <corinna@vinschen.de>