changelog-2001

cygwin, 著名的在win32下模拟unix操作系统的东东

2001-10-30  Corinna Vinschen  <[e-mail]>

	* fhandler_socket.cc (fhandler_socket::dup): Revert previous change.

2001-10-30  Christopher Faylor  <[e-mail]>

	* dtable.cc (dtable::dup2): Add some debugging.  Use methods from
	passed in class rather than cygheap->fdtab.
	* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Add
	more debugging output.
	(fhandler_socket::dup): Allocate new space for prot_info_ptr for
	duplicated entry.
	(fhandler_socket::close): Loop closesocket() as long as WSAEWOULDBLOCK
	is returned.
	* syscalls.cc (stat_worker): Always delete fh if it has been created.

2001-10-29  Corinna Vinschen  <[e-mail]>

	* security.cc (is_group_member): Call NetLocalGroupGetMembers() for
	local machine only.
	(get_user_local_groups): Ditto for NetLocalGroupEnum().

2001-10-29  Christopher Faylor  <[e-mail]>

	* fhandler.cc (fhandler_base::set_name): Set namehash here to catch
	name changes.
	(fhandler_base::open): Remove namehash setting.
	(fhandler_base::fstat): Subtract 1 from arbitrary time setting to avoid
	strange ls -l granularity problem.

2001-10-29  Christopher Faylor  <[e-mail]>

	* select.cc (MAKEready): Remove extraneous select_read.

2001-10-29  Corinna Vinschen  <[e-mail]>

	* uinfo.cc (internal_getlogin): Set environment variable $HOME
	from either /etc/passwd or $HOMEDRIVE/$HOMEPATH if necessary.

2001-10-29  Christopher Faylor  <[e-mail]>

	* fhandler.h (fhandler_serial::fhandler_serial): Change to only accept
	unit argument.
	* fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto.
	(fhandler_serial::open): Avoid else when previous clause is a return().
	* path.cc (get_devn): Alias /dev/ttyS0 -> /dev/com1, etc.
	(get_device_number): Reallow standalone "com1" as a valid name for
	/dev/com1.

2001-10-26  Christopher Faylor  <[e-mail]>

	* select.cc (MAKEready): Check for read_ready in loop since select_read
	could set it.
	(peek_socket): Check ready/write/except specifically since they could
	have been set even prior to peek_socket call.

2001-10-24  Christopher Faylor  <[e-mail]>

	* shared_info.h (MOUNT_VERSION): Change to a smaller, still arbitrary
	number.
	* shared.cc (open_shared): Accept a number to denote the shared memory
	region.
	(memory_init): Use shared memory version as part of the object name of
	the shared region.  Ditto for the mount table.
	* path.cc (CYGWIN_REGNAME): New define used in place of
	CYGWIN_INFO_CYGWIN_REGISTRY_NAME throughout.
	* external.cc (cygwin_internal): Implement CW_[GS]ET_CYGWIN_REGISTRY_NAME.
	* cygheap.h (init_cygheap::cygwin_regname): New element.

2001-10-23  Christopher Faylor  <[e-mail]>

	Ensure that all fhandler_*::read definitions are __stdcall throughout.
	* fhandler.cc (fhandler_base::set_inheritance): Be more defensive in
	debugging code.
	* fhandler.h: Adjust regparms throughout to reflect passing 'this'
	parameter.
	* fhandler_console.cc (fhandler_console::read): Remove unneeded test.
	Only honor "key down" events.
	* miscfuncs.cc (strcasestr): Reorganize for efficient code use.
	(check_null_empty_str_errno): Ditto.
	(__check_null_invalid_struct_errno): Ditto.
	(__check_invalid_read_ptr_errno): Ditto.
	* syscalls.cc (_read): Return 0 when length == 0, as per Single UNIX
	Specification.

2001-10-22  Christopher Faylor  <[e-mail]>

	* debug.cc (set_errno): Return value of errno that was set, just like
	the macro.
	(setclexec_pid): Replace old handle with new handle.
	* debug.h: Reflect change in arguments for setclexec_pid.
	* fhandler.cc (fhandler_base::set_inheritance): Ditto.
	(fhandler_base::fork_fixup): Ditto.
	* cygerrno.h: Reflect return value change for set_errno.

2001-10-22  Christopher Faylor  <[e-mail]>

	Remove 'cb' parameter and modify fhandler_* constructors throughout.
	* dtable.cc (dtable::build_fhandler): Remove debugging output which
	uses 'cb'.
	* exec.cc (execvp): New function.
	(execvpe): Ditto.
	* fhandler.cc (fhandler_base::fhandler_base): Use constructor
	initialization.
	* fhandler.h (fhandler_tty_common::fhandler_tty_common): Ditto.
	* fhandler_clipboard.cc (fhandler_dev_clipboard::fhandler_dev_clipboard):
	Ditto.
	* fhandler_console.cc (fhandler_console::fhandler_console): Ditto.
	* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Ditto.
	* fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto.
	* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Ditto.
	(fhandler_tty_slave::fhandler_tty_slave): Ditto.
	(fhandler_pty_master::fhandler_pty_master): Ditto.
	* fhandler_windows.cc (fhandler_windows::fhandler_windows): Ditto.

2001-10-22  Corinna Vinschen  <[e-mail]>

	Patch suggested by Ian Ray <[e-mail]>:
	* syscalls.cc (seteuid): Unset environment variables HOMEDRIVE and
	HOMEPATH before calling internal_getlogin().
	* uinfo.cc (internal_getlogin): Use default HOMEPATH and HOMEDRIVE
	from environment if both are present, else query NetUserGetInfo().

2001-10-22  Corinna Vinschen  <[e-mail]>

	* net.cc (get_2k_ifconf): Change multiple IP address naming scheme
	to Linux style.

Sun Oct 21 19:04:37 2001 Alexander Gottwald <[e-mail]>

	* net.cc (get_2k_ifconf): Added support for multiple IP addresses on
	one interface.

2001-10-22  Corinna Vinschen  <[e-mail]>

	* miscfuncs.cc (__check_invalid_read_ptr_errno): Return error, if any.

2001-10-21  Christopher Faylor  <[e-mail]>

	* resource.cc (fill_rusage): Perform paranoid zero structure passed to
	GetProcessMemoryInfo.

2001-10-22  Robert Collins  <[e-mail]>

	* autoload.cc: Autoload GetProcessMemoryInfo.
	* resource.cc (fill_rusage): Calculate ru_maxrss and ru_majflt entries.
	(Bug report on this from Guido Serassio in the squid project).
	This requires including psapi.h.

2001-10-20  Christopher Faylor  <[e-mail]>

	* dll_init.cc (dll_list::alloc): Increase retry count to 1000.

2001-10-20  Christopher Faylor  <[e-mail]>

	* miscfuncs.cc (__check_invalid_read_ptr_errno): New function.
	* syscalls.c (_write): Validate that write buffer is accessible for
	reading, not writing.
	* winsup.h: Declare new function, increase regparmization of check_*
	functions.

2001-10-19  Corinna Vinschen  <[e-mail]>

	* path.cc (getcwd): Allow len == 0 when buf == NULL.

2001-10-18  Christopher Faylor  <[e-mail]>

	* syscalls.cc (_read): Validate input pointer.
	(_write): Ditto.
	(system): Ditto.

2001-10-16  Frederic Devernay  <[e-mail]>

	* poll.cc (poll): Call cygwin_select() if any fd is valid.

2001-10-16  Corinna Vinschen  <[e-mail]>

	* fhandler_raw.cc (fhandler_dev_raw::open): Eliminate compatibility
	code since no Win32 device names are used anymore.
	* fhandler_tape.cc (fhandler_dev_tape::tape_set_blocksize): Allow
	0 as blocksize to indicate variable blocksize.
	* path.cc (win32_device_name): Generate NT internal device names
	using upper/lower case names for readability.
	Generate \DosDevices\<letter>: device name for mount table
	compatibility devices.

2001-10-16  Corinna Vinschen  <[e-mail]>

	* fhandler_tape.cc (fhandler_dev_tape::tape_status): Report
	EOTWarningZoneSize in get->mt_eotwarningzonesize.
	* include/cygwin/mtio.h: Define DEFTAPE.
	(struct mtget): Add member `mt_eotwarningzonesize'. Add a comment.
	* include/cygwin/version.h: Bump API minor version to 47.

2001-10-16  Christopher Faylor  <[e-mail]>

	* fhandler.cc (fhandler_base::fork_fixup): Guard against compiler
	warning.

2001-10-16  Corinna Vinschen  <[e-mail]>

	* autoload.cc: Add load statement for `NtOpenFile'.
	* fhandler.h (fhandler_dev_raw::get_unit): New method.
	(fhandler_dev_tape::norewind): Eliminate.
	(fhandler_dev_tape::is_rewind_device): New method.
	* fhandler_raw.cc (fhandler_dev_raw::open): Open new
	fixed device name devices using NT internal method.
	Keep calling fhandler_base::open() for old mount table
	device mapping compatibility devices.
	(fhandler_dev_raw::fstat): Eliminate.  Settings are done
	by fhandler_base::fstat() already.
	* fhandler_tape.cc: Remove `norewind' usage throughout.
	* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
	Define struct _IO_STATUS_BLOCK.
	Declare NtOpenFile().
	* path.cc (get_raw_device_number): Add new approach for
	using fixed device names.
	(win32_device_name): Ditto.
	(get_device_number): Ditto.  Require POSIX path to begin
	with "/dev/".
	(mount_info::conv_to_win32_path): Call win32_device_name()
	instead of get_device_number() after evaluating mount points
	to allow changing the win32 destination path again.
	* security.cc (str2buf2uni): Remove `static' to be able to
	call function from fhandler_dev_raw::open().
	* wincap.cc: Set flag has_raw_devices appropriately.
	* wincap.h: Add flag has_raw_devices.

2001-10-16  Christopher Faylor  <[e-mail]>

	* cygheap.h (cygheap_fdget::cygheap_fdget): Remove debugging operation
	from set_errno.

2001-10-16  Christopher Faylor  <[e-mail]>

	* mmap.cc (mmap): Assign 'fh' from cygheap_fdget.  Use 'fh' everywhere.

2001-10-15  Christopher Faylor  <[e-mail]>

	* cygerrno.h (set_errno): Define more informative version of this
	function for debugging.
	(__set_errno): Declare when DEBUGGING.
	* cygheap.h (cygheap_fdget::cygheap_fdget): Add a flag to control when
	errno is set.
	* debug.cc (__set_errno): New function.
	* fcntl.cc (_fcntl): Fix so that correct fd is used for second argument
	to dup2.
	* syscalls.cc (_cygwin_istext_for_stdio): Don't set errno here when
	using cygheap_fdget.

2001-10-15  Christopher Faylor  <[e-mail]>

	* fhandler.cc (fhandler_base::fork_fixup): Don't protect handle.

	* dlfcn.cc: Fix to confirm to coding standards.

	Reorganize includes throughout to accommodate new cygheap.h usage.
	* cygheap.h (cygheap_fdmanip): New class: simplifies locking and
	retrieval of fds from cygheap->fdtab.
	(cygheap_fdget): Ditto.
	(cygheap_fdnew): Ditto.
	* fcntl.cc (_fcntl): Use new method to lock fdtab and retrieve info.
	* ioctl.cc (ioctl): Ditto.
	* mmap.cc (mmap): Ditto.
	* net.cc: Ditto, throughout.
	* passwd.cc (getpass): Ditto.
	* path.cc (fchdir): Ditto.
	* pipe.cc (make_pipe): Ditto.
	* sec_acl.cc (facl): Ditto.
	* syscalls.cc: Ditto, throughout.
	* termios.cc: Ditto, throughout.

2001-10-15  Corinna Vinschen  <[e-mail]>

	* uname.cc (uname):  Use `wProcessorLevel' unless OS sets it wrong.
	Use `dwProcessorType' then instead.
	* wincap.cc: Set flag has_valid_processorlevel appropriately.
	* wincap.h: Add flag has_valid_processorlevel.

2001-10-14  Christopher Faylor  <[e-mail]>

	* dtable.cc (dtable::build_fhandler_from_name): Use PC_FULL to
	determine path name.
	* path.cc (fchdir): Remove rel -> abs path conversion.

Sun Oct 14 08:10:12 2001  Gary R. Van Sickle

	* fork.cc (fork_parent): Correct the "unable to allocate
	forker_finished event" error message.  It named the wrong event before.

2001-10-13  Christopher Faylor  <[e-mail]>

	* autoload.cc (load_wsock32): Declare dummy function to force loading
	of winsock.
	* fhandler.cc (fhandler_base::set_inheritance): Make debugging output
	more verbose.
	* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Force loading
	of winsock32 if winsock2 not available.
	* net.cc (set_socket_inheritance): Use DuplicateHandle in all cases to
	set inheritance correctly.
	(fdsock): Use winsock2_active macro to determine when to set socket
	inheritance.  Remove fdtab resource locking since this function should
	already be protected.
	(cygwin_accept): Simplify logic.  Ensure that fdtab unlock is not
	called inappropriately.
	(cygwin_rcmd): Use fdtab locking.
	(cygwin_rresvport): Ditto.
	(cygwin_rexec): Ditto.
	* select.cc (peek_socket): Set errno appropriately if winsock select
	fails.

2001-10-13  Kazuhiro Fujieda  <[e-mail]>

	* winsup.h: Declare check_pty_fds.
	* syscalls.cc (check_pty_fds): Rename from check_ttys_fds.  Also check
	pty master.
	(setsid): Use check_pty_fds.
	* dtable.cc (dtable::dec_console_fds): Add check on pty fds.

2001-10-13  Ralf Habacker  <[e-mail]>

	* fhandler_dsp.cc (fhandler_dsp::ioctl): Return 0 for successful
	SNDCTL_DSP_GETBLKSIZE operation.

2001-10-13  Christopher Faylor  <[e-mail]>

	Remove obsolete 'name' arg from fhandler_* constructors throughout.
	* winsup.h (winsock_active): New macro.
	(winsock2_active): Ditto.
	* autoload.cc (wsock_init): Use new macros to decide if winsock or
	winsock2 is loaded.
	(nonexist_wsock32): Dummy function to force winsock load.
	(nonexist_ws2_32): Dummy function to force winsock2 load.
	* fhandler.h (fhandler_socket::fstat): Declare new method.  Currently
	unused.
	* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Check
	that winsock2 is active before trying WSADuplicateSocketA.
	(fhandler_socket::fixup_after_fork): Add extra check for
	winsock2_active.  Otherwise use iffy procedures for Windows 95.
	(fhandler_socket::fixup_after_exec): Add debugging.
	(fhandler_socket::dup): Add debugging.
	(fhandler_socket::fstat): New method.
	(fhandler_socket::set_close_on_exec): Attempt to perform iffy stuff on
	Windows 95.