path: root/winsup/cygwin/ChangeLog

2004-05-28  Pierre Humblet  <Pierre.Humblet@ieee.org>

	* path.cc (chdir): Always use the normalized_path as posix_cwd, except
	if it starts with a drive.

2004-05-25  Christopher Faylor  <cgf@alum.bu.edu>

	* winbase.h: Semi-revert previous patch as it caused strange behavior.
	Use syntax similar to that recommended in mingw-dvlpr.

2004-05-25  Christopher Faylor  <cgf@alum.bu.edu>

	* include/cygwin/version.h: Bump DLL minor number to 11.

2004-05-25  Christopher Faylor  <cgf@alum.bu.edu>

	* winbase.h: Add proper attributions for memory operands throughout.

2004-05-24  Christopher Faylor  <cgf@alum.bu.edu>

	* include/cygwin/version.h: Bump api minor version number.

2004-05-24  Christopher Faylor  <cgf@alum.bu.edu>

	* cygwin.din: Export atoll.

2004-05-20  Christopher Faylor  <cgf@alum.bu.edu>

	* tty.cc (tty_list::allocate_tty): Leave tty_mutex armed on successful
	return from !with_console
	* fhandler_tty.cc (fhandler_pty_master::open): Release tty_mutex here
	after all initialization is done.

2004-05-17  Corinna Vinschen  <corinna@vinschen.de>

	* grp.cc (getgrgid_r): Replace struct group by struct __group32 in
	argument definition.
	(getgrnam_r): Ditto.

2004-05-17  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din: Add symbols flockfile, ftrylockfile, funlockfile,
	getgrgid_r, getgrnam_r and getlogin_r.
	* grp.cc (getgrgid_r): New function.
	(getgrnam_r): Ditto.
	* syscalls.cc (flockfile): Ditto.
	(ftrylockfile): Ditto.
	(funlockfile): Ditto.
	* sysconf.cc (sysconf): Return LOGIN_NAME_MAX in case of
	_SC_LOGIN_NAME_MAX.
	* thread.cc (__cygwin_lock_trylock): Define int.  Return value from
	call to pthread_mutex_trylock.
	* uinfo.cc (getlogin_r): New function.
	* include/limits.h: Define LOGIN_NAME_MAX.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/lock.h: Add declarations for __cygwin_lock_xxx functions.
	* include/sys/stdio.h: Add define for _ftrylockfile.

2004-05-17  Christopher Faylor  <cgf@alum.bu.edu>

	* tty.cc (tty_list::init): Move hmaster initialization earlier to
	prevent compilation error.

2004-05-17  Christopher Faylor  <cgf@alum.bu.edu>

	Change the name "title_mutex" to "tty_mutex" throughout.
	* tty.h (tty_list::allocate_tty): Turn argument into a boolean.
	* tty.cc (tty_list::init): Protect entire allocation operation with
	tty_mutex (formerly title_mutex) to protect against allocation races.

2004-05-16  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::recvfrom): Use original flags
	value in each WSARecvFrom call.
	(fhandler_socket::recvmsg): Ditto.  Reformat slightly.

2004-05-15  Christopher Faylor  <cgf@alum.bu.edu>

	* cygthread.cc (cygthread::is): Eliminate.
	* cygthread.h (cygthread::is): Eliminate declaratin.
	* fhandler_console.cc (fhandler_console::read): Only wait for
	signal_arrived in the main thread.
	* fhandler_socket.cc: Include new "wininfo.h".
	(fhandler_socket::ioctl): Use 'winmsg' rather than 'gethwnd()'.
	* sync.cc (muto::grab): Define new function.
	(muto::acquire): Use tls pointer rather than tid.
	(muto::acquired): Ditto.
	(muto::reset): Delete.
	(muto::release): Ditto.  Also implement "close on last release".
	* sync.h (muto::tid): Delete.
	(muto::tls): New field.
	(muto::ismine): Delete.
	(muto::owner): Delete.
	(muto::unstable): Delete.
	(muto::reset): Delete.
	(muto::upforgrabs): New method.
	(muto::grab): Ditto.
	(new_muto_name): New define.
	* wininfo.h: New file.
	(wininfo): New class.
	* window.cc: Rework throughout to use winfo class for controlling
	invisible window operation.
	(gethwnd): Delete definition.
	* winsup.h (gethwnd): Delete declaration.

2004-05-15  Christopher Faylor  <cgf@alum.bu.edu>

	* cygheap.h: Remove some parameter names from declarations throughout.
	(cygheap::set): Reflect changes in declaration for arguments and return
	value from previous checkin.

2004-05-15  Pierre Humblet  <pierre.humblet@ieee.org>

	* cygheap.h (cwdstuff::set): Modify return value and arguments.
	* path.cc (chdir): Specify PC_POSIX.  Do not call SetCurrentDirectory.
	Set posix_cwd in a way that does not break find.exe.  Change call to
	cwd.set.
	(cwdstuff::get_initial): Do not call GetCurrentDirectory here.
	(cwdstuff::set): Call SetCurrentDirectory and GetCurrentDirectory as
	needed.

2004-05-12  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (path_conv::check): Don't bail out with error if path is "//".

2004-05-12  Corinna Vinschen  <corinna@vinschen.de>

	* cygheap.h (struct init_cygheap): Add mt_h member.
	* fhandler_tape.cc (mt_h): Drop in favor of cygheap based handle.
	(mtinfo_init): Use cygheap->mt_h handle.  Protect it.

2004-05-12  Pierre Humblet  <pierre.humblet@ieee.org>

	* tty.h: Remove the %d or %x from all cygtty strings.
	(tty::open_output_mutex): Only declare.
	(tty::open_input_mutex): Ditto.
	(tty::open_mutex): New definition.
	* fhandler_tty.cc (fhandler_tty_slave::open): Declare buf with
	size CYG_MAX_PATH and replace __small_printf calls by shared_name.
	* tty.cc (tty::create_inuse): Ditto.
	(tty::get_event): Ditto.
	(tty::common_init): Ditto.
	(tty::open_output_mutex): New method definition.
	(tty::open_input_mutex): Ditto.
	(tty::open_mutex): New method.

2004-05-11  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Set file attributes to correct
	value when creating files.
	* path.h (class path_conv): Add write accessor for file_attributes.

2004-05-10  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_socket): Add "owner" status flag.
	* fhandler_socket.cc (wait): Take flag parameter to take FD_OOB into
	account.  Don't wait infinitely.
	(fhandler_socket::recvfrom): Also wait for FD_OOB if socket owner.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.
	(fhandler_socket::fcntl): Set owner status flag if F_SETOWN with own
	pid is called.

2004-05-09  Pierre Humblet <pierre.humblet@ieee.org>

	* environ.cc (build_env): Only try to construct required-but-missing
	variables while issetuid.

2004-05-08  Pierre Humblet <pierre.humblet@ieee.org>
	    Christopher Faylor  <cgf@timesys.com>

	* syscalls.cc: Include environ.h.
	(chroot): Set errno in case of path error.  Call getwinenv.
	* environ.cc: Remove the NO_COPY attribute of conv_envvars.

2004-05-07  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_mem.cc (fhandler_dev_mem::fhandler_dev_mem): Move
	initialization of "mem_size" from here...
	(fhandler_dev_mem::open): ...to here.  Fix typo in FH_PORT case.

2004-05-07  Gerd Spalink  <Gerd.Spalink@t-online.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::Audio_out::stop): Move delete of
	bigwavebuffer_ so that it is always cleaned, also in child processes.
	(fhandler_dev_dsp::Audio_in::stop): Ditto.
	(fhandler_dev_dsp::close): Stop audio play immediately in case of
	abnormal exit.

2004-05-07  Corinna Vinschen  <corinna@vinschen.de>

	Revert code reversion from 2004-04-03.  So, revert to async I/O again.
	* fhandler.h (status): Add "closed" flag.
	(prepare): New method declaration.
	(wait): Ditto.
	(release): Ditto.
	* fhandler_socket.cc: Don't include wsock_event.h.
	(fhandler_socket::prepare): New method, moved from wsock_event.
	(fhandler_socket::wait): Ditto.
	(fhandler_socket::release): New method.
	(fhandler_socket::recvfrom): Simplify loop.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc: Don't include wsock_event.h.
	(wsock_event::prepare): Remove.
	(wsock_event::wait): Ditto.
	* wsock_event.h: Remove.

2004-05-06  Christopher Faylor  <cgf@alum.bu.edu>

	* thread.cc (pthread::create): Move postcreate call to avoid a
	potential race.
	(pthread::cancelable_wait): Don't allow signal interrupt unless main
	thread.

2004-05-07  Pierre Humblet <pierre.humblet@ieee.org>
	    Christopher Faylor <cgf@timesys.com>

	* path.cc (mount_info::conv_to_posix_path): Return proper status when
	chrooted.

2004-05-06  Pierre Humblet <pierre.humblet@ieee.org>

	* path.cc (path_conv::check): Strip trailing dots and spaces and
	return error if the final component had only dots and spaces.
	(normalize_posix_path): Revert 2004-04-30.
	(chdir): Do not check for trailing spaces. Do not set native_dir
	to c:\ for virtual devices. Pass only native_dir to cwd.set.
	(cwdstuff::set): Assume posix_cwd is already normalized.

2004-05-04  Christopher Faylor  <cgf@alum.bu.edu>

	* path.cc (normalize_win32_path): Detect components with only dots.
	Remove a final .  if it follows '\\'.
	(mount_info::conv_to_win32_path): Only backslashify the path when no
	mount is found.
	(chdir): Do not look for components with only dots.

2004-05-04  Pierre Humblet <pierre.humblet@ieee.org>
	    Christopher Faylor  <cgf@alum.bu.edu>

	* path.cc (is_unc_share): Remove redundant tests.

2004-05-04  Corinna Vinschen  <corinna@vinschen.de>

	* crt0.o (mainCRTStartup): 16 byte align stack for main function.

2004-05-04  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (check_sysfile): Don't scan string twice.

2004-05-03  Corinna Vinschen  <corinna@vinschen.de>

	* dir.cc (writable_directory): Remove.
	(mkdir): Remove call to writable_directory.
	* syscalls.cc (unlink): Ditto.
	(rename): Ditto.
	* winsup.h (writable_directory): Remove declaration.

2004-04-30  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Call path_conv::get_nt_native_path
	for evaluating NT path.
	* path.cc (normalize_posix_path): Remove trailing dots and spaces.
	(path_conv::get_nt_native_path): New function.
	* path.h (class path_conv): Declare get_nt_native_path method.

2004-04-30  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Fix NT native path evaluation
	to allow opening serial ports.

2004-04-30  DJ Delorie  <dj@redhat.com>

	* init.cc (threadfunc_fe): Hack to make thread stacks always 16
	byte aligned.

2004-04-21  Yitzchak Scott-Thoennes  <sthoenna@efn.org>

	* syscalls.cc (lseek64): Fix debug_printf format string.
	(truncate64): Ditto.

2004-04-21  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::lseek): Force res to -1 on error.

2004-04-20  Christopher Faylor  <cgf@alum.bu.edu>

	* path.cc (is_unc_share): Rename from slash_unc_prefix_p throughout.

2004-04-20  Pierre Humblet <pierre.humblet@ieee.org>

	* path.cc (normalize_posix_path): Process all Posix paths and map three
	or more initial slashes to a single one.  Simplify processing following
	two initial slashes.
	(normalize_win32_path): Make last argument non-optional and do not
	check for NULL value.

2004-04-20  Pierre Humblet <pierre.humblet@ieee.org>

	* fhandler_disk_file.cc (fhandler_base::open_fs): Change
	set_file_attribute call to indicate that NT security isn't used.
	(fhandler_disk_file::fchmod): Rearrange to isolate 9x related
	statements.
	Do not set FILE_ATTRIBUTE_SYSTEM.
	(fhandler_disk_file::fchown): Check noop case first.
	* fhandler.cc (fhandler_base::open9x): Remove ntsec related statements.
	(fhandler_base::set_name): Do not set namehash.
	* fhandler.h (fhandler_base::get_namehash): Compute and set namehash if
	needed.
	* syscalls.cc (access): Verify that fh is not NULL. Do not set PC_FULL.
	(chmod): Ditto.
	(chown_worker): Ditto.
	(stat_worker): Ditto. Verify if the path exists.

2004-04-20  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Remove special DEV_FLOPPY_MAJOR
	treatment.
	* fhandler_raw.cc (fhandler_dev_raw::open): Simplify write-only case.
	* fhandler_tape.cc (fhandler_dev_tape::raw_write): Add accidentally
	dropped condition.

2004-04-20  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Add FILE_READ_ATTRIBUTES when
	only GENERIC_WRITE access is requested.

2004-04-19  Corinna Vinschen  <corinna@vinschen.de>

	* include/cygwin/mtio.h (GMT_ASYNC): New define.
	(MT_ST_ASYNC_WRITES): Remove "Not supported" comment.

2004-04-19  Corinna Vinschen  <corinna@vinschen.de>

	* errno.cc (errmap): Handle ERROR_IO_PENDING.
	* fhandler.cc (fhandler_base::open): Make tape I/O asynchronous.
	* fhandler.h (class fhandler_dev_tape): Add mt_evt member.
	* fhandler_tape.cc (mtinfo_drive::initialize): Initialize async_writes.
	(mtinfo_drive::close): Handle async writes.
	(mtinfo_drive::read): Add mt_evt parameter.  Use overlapped I/O.
	(mtinfo_drive::async_wait): New function.
	(mtinfo_drive::write): Add mt_evt parameter.  Use overlapped I/O.
	Handle async writes.
	(mtinfo_drive::_set_pos): Handle async writes.
	(mtinfo_drive::set_partition): Ditto.
	(mtinfo_drive::prepare): Ditto.
	(mtinfo_drive::get_status): Drop useless "else".  Handle async_writes
	flag.
	(mtinfo_drive::set_options): Handle async_writes flags.
	(fhandler_dev_tape::close): Close mt_evt handle.
	(fhandler_dev_tape::raw_read): Create mt_evt handle and use in call
	to mtinfo_drive::read.
	(fhandler_dev_tape::raw_write): Create mt_evt handle and use in call
	to mtinfo_drive::write.
	* mtinfo.h (MTINFO_VERSION): Bump.
	(enum dirty_state): Add async_write_pending state.
	(class mtinfo_drive): Add OVERLAPPED struct "ov".  Add async_writes
	flag.
	(mtinfo_drive::async_wait): Add declaration.
	(mtinfo_drive::read): Add mt_evt parameter.
	(mtinfo_drive::write): Ditto.

	* registry.cc (load_registry_hive): Call enable_restore_privilege
	instead of set_process_privilege.

2004-04-19  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_tape.cc (mtinfo_drive::_set_pos): Take additional dont_wait
	parameter.  Use in call to SetTapePosition.
	(mtinfo_drive::set_pos): Accomodate _set_pos calls to above change.
	(mtinfo_drive::set_partition): Ditto.
	* mtinfo.h (mtinfo_drive::_set_pos): Change declaration accordingly.

2004-04-16  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (NtCreateFile): Add.
	* dir.cc (mkdir): Change set_file_attribute call to indicate that
	NT security isn't used.
	* fhandler.cc (fhandler_base::open_9x): New method, created from
	fhandler_base::open.
	(fhandler_base::open): Rearrange to use NtCreateFile instead of
	CreateFile.
	* fhandler.h (enum query_state): Redefine query_null_access to
	query_stat_control.  query_null_access isn't allowed in NtCreateFile.
	(fhandler_base::open_9x): Declare.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use
	query_stat_control first, query_read_control if that fails.
	(fhandler_disk_file::fchmod): Call enable_restore_privilege before
	trying to open for query_write_control.  Don't fall back to
	opening for query_read_control.
	(fhandler_disk_file::fchown): Ditto.
	(fhandler_disk_file::facl):  Only request restore privilege and query
	access necessary for given cmd.
	* fhandler_raw.cc (fhandler_dev_raw::open): Call fhandler_base::open
	instead of opening device here.
	* ntdll.h (NtCreateFile): Declare.
	* path.cc (symlink_worker): Change set_file_attribute call to indicate
	that NT security isn't used.
	* sec_acl.cc (getacl): Fix bracketing.
	* sec_helper.cc (enable_restore_privilege): New function.
	* security.cc (str2buf2uni_cat): New function.
	(write_sd): Don't request restore permission here.
	* security.h (set_process_privileges): Drop stale declaration.
	(str2buf2uni): Declare.
	(str2buf2uni_cat): Declare.
	(enable_restore_privilege): Declare.
	* syscalls.cc (fchown32): Return immediate success on 9x.

2004-04-15  Christopher Faylor  <cgf@alum.bu.edu>

	* autoload.cc (dll_chain1): Rename to dll_chain.  Remove old dll_chain
	code.
	(wsock_init): Avoid unneeded winsock_active tests.
	* winsup.h (winsock_active): Delete.

2004-04-15  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Try opening
	in query_read mode if query_write fails.
	* fhandler_disk_file.cc (fhandler_disk_file::fchown): Ditto.
	* fhandler_disk_file.cc (fhandler_disk_file::facl): Ditto.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* ntdll.h: Fix copyright date.
	* sec_acl.cc (acl_worker): Delete allocated fhandler.
	* syscalls.cc (chown_worker): Ditto.
	(chmod): Ditto.
	(stat_worker): Use get_namehash instead of hash_path_name.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (getacl): Avoid compiler warning.
	* security.cc (write_sd): Ditto.  Fix error handling.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (fstat64): Use get_namehash instead of hash_path_name.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Simplify access evaluation
	expression.
	(fhandler_base::facl): New method.
	* fhandler.h: Declare facl method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	* fhandler_disk_file.cc (fhandler_disk_file::facl): New method.
	* fhandler_virtual.cc (fhandler_virtual::facl): New method.
	* sec_acl.cc: Remove forward declaration for aclsort32 and acl32.
	(setacl): Remove static.  Add and use handle parameter.
	(getacl): Ditto.
	(acl_worker): Reorganize to call fhandler's facl method eventually.
	(facl32): Ditto.
	* security.cc (get_nt_object_security): Remove static.
	* security.h: Add extern declarations for get_nt_object_security,
	aclsort32, acl32, getacl and setacl.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Accomodate query_write_control
	query_state.
	(fhandler_base::fchown): New method.
	* fhandler.h: Declare fchown method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	(enum query_state): Add query_write_control.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Set query_state
	to query_write_control.  Only remove FILE_ATTRIBUTE_READONLY if not
	setting security descriptor.
	(fhandler_disk_file::fchown): New method.
	* fhandler_virtual.cc (fhandler_virtual::fchown): New method.
	* sec_acl.cc (setacl): Call write_sd with additional handle attribute.
	* security.cc (write_sd): Take handle argument.  Only request owner
	if getting SE_RESTORE_NAME privilege failed.  Only open file if
	NtSetSecurityObject failed or handle is NULL.
	(set_nt_attribute): Call write_sd with additional handle attribute.
	* security.h (write_sd): Declare with additional handle argument.
	* syscalls.cc (chown_worker): Reorganize to call fhandler's fchown
	method eventually.
	(fchown): Ditto.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (NtSetSecurityObject): Add.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request
	READ_CONTROL rights when opening the file.
	* ntdll.h (NtSetSecurityObject): Add declaration.
	* security.cc (write_sd): Call NtSetSecurityObject instead of
	BackupWrite.
	(get_nt_object_security): Don't free security descriptor here.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (ttyname): Use buffer of length TTY_NAME_MAX + 1.
	* sysconf.cc (sysconf): Handle _SC_TTY_NAME_MAX request.
	* include/limits.h: Define TTY_NAME_MAX and _POSIX_TTY_NAME_MAX.

2004-04-14  Corinna Vinschen  <corinna@vinschen.de>

	* cygwin.din: Export rand_r and ttyname_r.
	* syscalls.cc (ttyname_r): New function.
	(ttyname): Move functionality to ttyname_r.  Call it from here.
	* include/cygwin/version.h: Bump API minor number.

2004-04-14  Pierre Humblet <pierre.humblet@ieee.org>

	* path.h (path_conv::set_symlink): Add argument.
	(path_conv::get_symlink_length): New method.
	(path_conv::symlink_length): New member.
	* path.cc (path_conv::check): Pass symlen to set_symlink.
	* fhandler_disk_file.cc (fhandler_base::fstat_helper): For symlinks
	set st_size from get_symlink_length.

2004-04-13  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (set_nt_attribute): Only call get_nt_object_security
	if handle is NULL.

2004-04-13  Corinna Vinschen  <corinna@vinschen.de>

	* dir.cc (mkdir): Call set_file_attribute with additional handle
	argument.
	* fhandler.cc (fhandler_base::fchmod): New method.
	* fhandler.h: Declare fchmod method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): New method.
	(fhandler_base::open_fs): Call set_file_attribute with additional
	handle argument.
	* fhandler_virtual.cc (fhandler_virtual::fchmod): New method.
	* path.cc (symlink_worker): Call set_file_attribute with additional
	handle argument.
	* security.cc (get_nt_object_security): New function.
	(get_nt_object_attribute): Call get_nt_object_security.
	(set_nt_attribute): Add handle argument.  Call get_nt_object_security
	first, read_sd only if that fails.
	(set_file_attribute): Add handle argument.
	* security.h (set_file_attribute): Declare with additional handle
	argument.
	* syscalls.cc (stat_suffixes): Move to beginning of file.
	(chown_worker): Call set_file_attribute with additional handle argument.
	(chmod): Reorganize to call fhandler's fchmod method eventually.
	(fchmod): Ditto.

2004-04-13  Corinna Vinschen  <corinna@vinschen.de>

	* autoload.cc (NtQuerySecurityObject): Add.
	* ntdll.h (STATUS_BUFFER_TOO_SMALL): Add definition.
	(NtQuerySecurityObject): Add declaration.
	* security.cc (get_nt_object_attribute): Always use
	NtQuerySecurityObject to retrieve security descriptor.

2004-04-13  Gerd Spalink  <Gerd.Spalink@t-online.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::Audio_out::stop): Add optional
	boolean argument so that playing can be stopped without playing
	pending buffers.
	(fhandler_dev_dsp::ioctl): Stop playback immediately for
	SNDCTL_DSP_RESET.  Do not reset audio parameters in this case.
	Add support for ioctl SNDCTL_DSP_GETISPACE.
	(fhandler_dev_dsp::Audio_out::emptyblocks): Now returns the number of
	completely empty blocks.
	(fhandler_dev_dsp::Audio_out::buf_info): p->fragments is now the number
	of completely empty blocks. This conforms with the OSS specification.
	(fhandler_dev_dsp::Audio_out::parsewav): Ignore wave headers that are
	not aligned on four byte boundary.
	(fhandler_dev_dsp::Audio_in::buf_info): New, needed for
	SNDCTL_DSP_GETISPACE.

2004-04-13  Corinna Vinschen  <corinna@vinschen.de>

	* winsup.h (IMPLEMENT_STATUS_FLAG): New macro to define status flag
	accessor methods unambiguously.
	* fhandler.h: Use IMPLEMENT_STATUS_FLAG throughout where possible.
	* fhandler_termios.cc (fhandler_termios::tcinit): Call corrected
	accessor for initialized status flag.
	* mtinfo.h (class mtinfo_drive): Use IMPLEMENT_STATUS_FLAG throughout.
	* path.cc (fs_info::update): Remove duplicate call to flags().
	* path.h (struct fs_info): Use IMPLEMENT_STATUS_FLAG where possible.
	(path_conv::is_auto_device): Fix spacing.
	* tty.h (class tty_min): Use IMPLEMENT_STATUS_FLAG throughout.

2004-04-12  Christopher Faylor  <cgf@alum.bu.edu>

	* thread.cc (pthread::thread_init_wrapper): Wait later to get more
	parallel behavior.

2004-04-12  Christopher Faylor  <cgf@alum.bu.edu>

	* thread.cc (pthread::create): Use thread mutex to control
	synchronization rather than creating a suspended thread.  Wait for
	"cancellation event" to indicate that started thread has been properly
	initialized.
	(pthread::thread_init_wrapper): Use set_tls_self_pointer() to set tid
	and cygtls.  Signal with cancel_event when done.

2004-04-12  Pierre Humblet <pierre.humblet@ieee.org>

	* path.cc (path_conv::check): Fix "tail filling" logic.

2004-04-11  Christopher Faylor  <cgf@alum.bu.edu>

	* cygheap.h: Replace inexplicably removed closing brace.

2004-04-11  Christopher Faylor  <cgf@alum.bu.edu>

	* cygheap.h (CYGHEAP_SLOP): Reduce drastically to avoid collisions.

2004-04-11  Pierre Humblet <pierre.humblet@ieee.org>

	* dtable.cc (dtable::extend): Change order of memcpy and cfree.

2004-04-10  Corinna Vinschen  <corinna@vinschen.de>

	* syscalls.cc (sync): Define void according to SUSv3.

2004-04-10  Corinna Vinschen  <corinna@vinschen.de>

	* sec_acl.cc (setacl): Use correct offset when trying to combine
	standard and default entry of same type.

2004-04-10  Pierre Humblet <pierre.humblet@ieee.org>

	* fhandler.cc (rootdir): Add and use second argument.
	* winsup.h (rootdir): Add second argument in declaration.
	* path.cc (fs_info::update): Modify call to rootdir.
	* syscalls.cc (check_posix_perm): Ditto.
	(statfs): Ditto. Move syscall_printf near top.

2004-04-10  Corinna Vinschen  <corinna@vinschen.de>

	* Use new unified status_flag accessor methods from classes fhandler_*,
	tty_min, mtinfo and fs_info thoroughout.
	* fhandler.h: Redefine all set_close_on_exec methods to take a bool
	argument.
	(enum conn_state): Rename from connect_state.
	(class fhandler_base): Rename some status flags to align with
	accessor method names.  Drop encoded flag entirely.  Unify status
	accessor methods.  Const'ify all read accessor methods.
	(class fhandler_socket): Ditto.
	(class fhandler_dev_raw): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use fs.fs_is_fat()
	instead of evaluating FATness of file system here.
	(fhandler_disk_file::opendir): Drop call to set_encoded().
	(fhandler_disk_file::readdir): Use pc.isencoded() directly.
	* mtinfo.h (class mtinfo_drive): Const'ify all read accessor methods.
	* path.cc (fsinfo_cnt): Add.
	(fs_info::update): Accomodate class changes. Evaluate file system
	name specific flags right here. Add thread safety for reading and
	writing global fsinfo array.
	* path.h (enum path_types): Drop values for flags kept in fs already.
	(struct fs_info): Move status informatin into private struct type
	status_flags.  Add accessor methods. Remove path and file system
	name string arrays in favor of status bits.
	(class path_conv): Use new fs_info status information where
	appropriate.
	(path_conf::fs_has_ea): Rename from fs_fast_ea.
	(path_conf::fs_has_acls): New method.
	(path_conf::root_dir): Remove.
	(path_conf::volname): Remove.
	* syscalls (statfs): Evaluate root dir locally.
	* tty.h (class tty_min): Unify status accessor methods.  Const'ify
	all read accessor methods.

2004-04-09  Thomas Pfaff  <tpfaff@gmx.net>

	* thread.h (pthread::init_mainthread): Remove parameter forked.
	(pthread::set_tls_self_pointer): New static function.
	* thread.cc (MTinterface::fixup_after_fork): Change call to
	pthread::init_mainthread.
	(pthread::init_mainthread): Remove parameter forked.  Simplify thread
	self pointer handling.
	(pthread::self): Set thread self pointer to null_pthread if thread has
	not been initialized.
	(pthread::set_tls_self_pointer): New static function.

2004-04-05  Pierre Humblet  <pierre.humblet@ieee.org>

	* path.cc (path_conv::check): Optimize symlink replacements.

2004-04-09  Pierre Humblet  <pierre.humblet@ieee.org>

	* path.cc (normalize_posix_path): Add "tail" argument and set it.
	Always have a final slash for directories.  Pass 3rd argument to
	normalize_win32_path.
	(path_conv::check): Pass tail to normalize_posix_path.  Set
	need_directory and remove final slash after that call.  Remove last
	argument to mount_table->conv_to_win32_path().  Remove noop dostail
	check.  Remove fs.update() from inner loop.  Improve tail finding
	search.
	(normalize_win32_path): Add and set tail argument.
	(mount_item::build_win32): Avoid calling strcpy.
	(mount_info::conv_to_win32_path): Remove third argument and simplify
	because the source is normalized.  Keep /proc path in Posix form.  Call
	win32_device_name() only once.
	(mount_info::conv_to_posix_path): Add and use 3rd argument to
	normalize_win32_path to avoid calling strlen.
	(cwdstuff::set): Add 3rd argument to normalize_posix_path and remove
	final slash if any.
	* shared_info.h (mount_info::conv_to_win32_path): Remove last argument
	in declaration.

2004-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_dev_raw): Move status bits into protected
	bitfield struct type status_flags.  Drop unused has_written bit.
	Add accessor methods.
	(fhandler_dev_raw::clear): Remove.
	(fhandler_dev_raw::reset_devbuf): Remove.
	* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Use accessor method
	for is_writing.
	* fhandler_raw.cc: Use status accessor methods throughout.
	(fhandler_dev_raw::clear): Remove.
	(fhandler_dev_raw::fhandler_dev_raw): Drop clear call.
	(fhandler_dev_raw::~fhandler_dev_raw): Ditto.
	* fhandler_tape.cc: Use mtinfo::status accessor methods throughout.
	(mtinfo_drive::close): Fix conditional to enable BSD semantics
	correctly.
	(mtinfo_drive::get_status): Rename from mtinfo_drive::status.
	* mtinfo.h (class mtinfo_drive): Move status bits into private bitfield
	struct type status_flags.  Add accessor methods.
	Rename status method to get_status.

2004-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (fsinfo): Global storage for file system information.
	(fs_info::update): Store file system information also in fsinfo and
	short circuit GetVolumeInformation by using alredy stored file system
	information.

2004-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_base::status): Declare private.
	(fhandler_base::open_status): Ditto.
	(class fhandler_socket): Move status bits into private bitfield struct
	type status_flags.  Change accessor methods appropriately.
	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Accomodate
	above status bit changes.
	* tty.h: Remove status bit enumerator.
	(TTYISSETF): Remove.
	(TTYSETF): Remove.
	(TTYCLEARF): Remove.
	(TTYCONDSETF): Remove.
	(tty_min::status): Define as private bitfield struct type status_flags.
	Add appropriate accessor methods.
	* fhandler_console.cc: Use tty_min::status accessor methods throughout.
	* fhandler_termios.cc: Ditto.
	* winsup.h (__ISSETF): Remove.
	(__SETF): Remove.
	(__CLEARF): Remove.
	(__CONDSETF): Remove.

2004-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::write): Use bool parameter in calls to
	set_did_lseek.
	(fhandler_base::fhandler_base): Accomodate new status and open_status
	constructor.
	* fhandler.h: Remove status bit enumerator.
	(FHDEVN): Remove.
	(FHISSETF): Remove.
	(FHSETF): Remove.
	(FHCLEARF): Remove.
	(FHCONDSETF): Remove.
	(FHSTATOFF): Remove.
	(UNCONNECTED, CONNECT_PENDING, CONNECTED): Substitute by enum
	connect_state.
	(fhandler_base::status): Define as bitfield struct type status_flags.
	Remove unused flags entirely.  Accomodate all status access methods.
	(open_status): Define as bitfield struct type status_flags.
	(fhandler_socket): Move socket related status bits to here.  Redefine
	had_connect_or_listen to be part of these status bits.  Accomodate
	related access methods.
	* fhandler_disk_file.cc (fhandler_base::fstat_helper): Use pc.issymlink
	instead of dropped method get_symlink_p.
	(fhandler_base::open_fs): Remove setting dropped status flags.
	* fhandler_socket.cc: Use values from enum connect_state throughout.
	(fhandler_socket::fhandler_socket): Initialize status bits.
	* fhandler_virtual.cc (fhandler_virtual::open): Remove setting dropped
	status flags.
	* net.cc: Use values from enum connect_state throughout.
	* select.cc: Ditto.
	* shared_info.h: Protect struct console_state using _FHANDLER_H_
	instead of FHDEVN.

2004-04-09  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (get_file_attribute): Fix conditional.

2004-04-08  Christopher Faylor  <cgf@bosbc.com>

	* child_info.h: Update CHILD_INFO_MAGIC after 2004-04-03 change.

2004-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* path.cc (hash_path_name): Replace hash algorithm with SDBM.

2004-04-08  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.cc (fhandler_base::open): Set query access mode according
	to query_open setting.
	(fhandler_base::fhandler_base): Initialize query_open.
	* fhandler.h (FH_QUERYOPEN): Drop.
	(enum query_state): Add.
	(class fhandler_base): Add query_open member.
	(fhandler_base::get_query_open): Redefine to use query_open.
	(fhandler_base::set_query_open): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Remove O_DIROPEN
	from open_flags since it's added in open_fs anyway.  Remove
	query_open_already.  Use new query_open settings.  Rearrange slightly.
	(fhandler_base::fstat_helper): Add get_io_handle as parameter to
	get_file_attribute.
	* security.cc (get_nt_object_attribute): Make returning an int.
	Return -1 on error, 0 otherwise.
	(get_file_attribute): Take an object handle as argument. Move down
	to allow calling get_nt_object_attribute in case a non-NULL handle
	is given.
	* security.h (get_file_attribute): Add handle to argument list.
	* syscalls.cc (chown_worker): Accomodate new definition of
	get_file_attribute.

2004-04-07  Pierre Humblet  <pierre.humblet@ieee.org>

	* path.cc (path_prefix_p): Optimize test order.

2004-04-06  Corinna Vinschen  <corinna@vinschen.de>

	* Makefile.in (EXTRALIBS): Add libtextreadmode.a.
	(INSTOBJS): Add textreadmode.o.
	* textreadmode.c: New file.

2004-04-06  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_base::fstat_helper): Request
	compressed size only if the matching attributes are set.  Use
	NtQueryInformationFile instead of GetCompressedFileSize.
	(fhandler_base::fstat_by_handle): Remove NT 3.5 cruft since
	local.dwVolumeSerialNumber isn't used subsequently.
	* ntdll.h: Add typedefs for FILE_COMPRESSION_INFORMATION and
	FILE_INFORMATION_CLASS.

2004-04-06  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_raw.cc (fhandler_dev_raw::open): Actually use "options".

2004-04-04  Gerd Spalink  <Gerd.Spalink@t-online.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::ioctl): Add implementation
	for ioctl codes SNDCTL_DSP_CHANNELS and SNDCTL_DSP_GETCAPS.

2004-04-03  Christopher Faylor  <cgf@bosbc.com>

	* child_info.h (child_info::cygheap_reserve_sz): Rename from
	cygheap_alloc_sz.
	* cygheap.cc: Rename alloc_sz to reserve_sz throughout.

2004-04-03  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_socket): Remove has_been_closed member.
	* fhandler_socket.cc (fhandler_socket::recvfrom): Revert to
	overlapped I/O.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc (wsock_event::prepare): Ditto.
	(wsock_event::wait): Ditto.  Evaluate overlapped result also after
	calling CancelIo (thanks to Patrick Samson <p_samson@yahoo.com>).
	(wsock_event::release): Remove.
	* wsock_event.h: Revert to overlapped I/O.

2004-04-02  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (wsock_event::release): Use NULL handle in call to
	WSAEventSelect to resolve KB 168349.

2004-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::recvfrom): Rearrange loop
	so that WSARecvFrom is always called before waiting.
	(fhandler_socket::recvmsg): Ditto.

2004-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (wsock_event::wait): Make wsa_err an int.  Don't set
	ret to 0 if any error has happened.

2004-04-01  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::sendto): Drop out of loop if
	has_been_closed gets set.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc (wsock_event::wait): Don't initialize evts.  Don't try to
	evaluate network events if WSAEnumNetworkEvents fails.
	(wsock_event::release): Save last WSA error and set it again unless
	resetting to blocking socket fails.
	* wsock_event.h (class wsock_event): Remove destructor.

2004-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_tape.cc (mtinfo::initialize): Fix fatal error message.

2004-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::recvfrom): Always initialize
	ret to 0 when using in Winsock call.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.

2004-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_tape.cc (mtinfo_drive::get_pos): Only set partition if
	GetTapePosition returned a non-zero partition number.
	(mtinfo_drive::create_partitions): Reinitialize to partition 0.
	Support TAPE_DRIVE_INITIATOR and TAPE_DRIVE_FIXED partitioning.
	(mtinfo_drive::set_partition): Initialize new partition.
	(mtinfo_drive::status): Readd accidentally dropped setting of mt_resid.

	* net.cc (wsock_event::prepare): Always print debug output in case
	of error.

2004-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::sendmsg): Add SIGPIPE handling.

2004-03-31  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_socket.cc (fhandler_socket::recvfrom): Initialize res to
	SOCKET_ERROR.  Use SOCKET_ERROR instead of -1 throughout.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc (wsock_event::prepare): Call WSASetLastError instead of
	SetLastError.
	(wsock_event::wait): Use SOCKET_ERROR instead of -1.

2004-03-30  Thomas Pfaff  <tpfaff@gmx.net>

	* thread.h (pthread::init_mainthread): Add parameter forked.  Set
	forked default to false..
	* thread.cc (MTinterface::fixup_after_fork): Call
	pthread::init_mainthread with forked = true.
	(pthread::init_mainthread): Add parameter forked.  Do not change thread
	self pointer when forked.

2004-03-30  Corinna Vinschen  <corinna@vinschen.de>

	* shm.cc (shmat): If shmid is unknown, call a special variation
	of shmget to retrieve the shared memory segment from Cygserver
	instead of failing immediately.
	* include/cygwin/ipc.h (IPC_KEY_IS_SHMID): New internal flag for
	shmget when called from shmat.

2004-03-29  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (class fhandler_socket): Add has_been_closed member.
	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
	has_been_closed to 0.
	(fhandler_socket::recvfrom): Use new asynchronous I/O driven
	wsock_event methods.
	(fhandler_socket::recvmsg): Ditto.
	(fhandler_socket::sendto): Ditto.
	(fhandler_socket::sendmsg): Ditto.
	* net.cc (wsock_event::prepare): Reimplement using asynchronous I/O.
	(wsock_event::wait): Ditto.
	(wsock_event::release): New method.
	* wsock_event.h (class wsock_event): Remove ovr member.  Accomodate
	new implementation of prepare and wait methods.  Add release method.

2004-03-29  Thomas Pfaff  <tpfaff@gmx.net>

	* thread.cc (pthread::atforkprepare): Call
	MT_INTERFACE->fixup_before_fork at the end of atforkprepare.

2004-03-29  Corinna Vinschen  <corinna@vinschen.de>

	* net.cc (wsock_event::wait): Change scope of local "len" variable.

2004-03-28  Corinna Vinschen  <corinna@vinschen.de>

	* shm.cc (shmat): Return (void *) -1 on error instead of NULL.

2004-03-27  Christopher Faylor  <cgf@redhat.com>

	* fhandler_nodevice.cc (fhandler_nodevice::open): Assume that errno has
	already been set if pc.error is nonzero.

2004-03-26  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (cygheap_fixup_in_child): Improve strace output.

2004-03-26  Corinna Vinschen  <corinna@vinschen.de>

	* errno.cc (errmap): Map ERROR_SHARING_VIOLATION to EBUSY,
	ERROR_EOM_OVERFLOW and ERROR_NO_DATA_DETECTED to EIO.  Add mappings
	for ERROR_NO_MEDIA_IN_DRIVE, ERROR_DEVICE_REQUIRES_CLEANING and
	ERROR_DEVICE_DOOR_OPEN.
	* fhandler.h (class fhandler_dev_raw): Drop varblkop member.
	(fhandler_dev_raw::is_eom): De-virtualize.
	(fhandler_dev_raw::is_eof): Ditto.
	(class fhandler_dev_tape): Drop lasterr and dp member.  Add mt_mtx
	member.  Drop all private methods formerly used by ioctl.
	(fhandler_dev_tape::is_rewind_device): Use get_minor for clarity.
	(fhandler_dev_tape::driveno): New method.
	(fhandler_dev_tape::drive_init): New method.
	(fhandler_dev_tape::clear): Remove method.
	(fhandler_dev_tape::is_eom): Ditto.
	(fhandler_dev_tape::is_eof): Ditto.
	(fhandler_dev_tape::write_file): Ditto.
	(fhandler_dev_tape::read_file): Ditto.
	(fhandler_dev_tape::_lock): New method.
	(fhandler_dev_tape::unlock): New method.
	(fhandler_dev_tape::raw_read): New method.
	(fhandler_dev_tape::raw_write): New method.
	* fhandler_raw.cc (fhandler_dev_raw::is_eom): New method.
	(fhandler_dev_raw::is_eof): New method.
	(fhandler_dev_raw::open): Allow setting write through option by
	using the O_TEXT flag as ... flag.
	(fhandler_dev_raw::writebuf): Remove usage of varblkop and other
	tape specific code.
	(fhandler_dev_raw::raw_read): Ditto.
	(fhandler_dev_raw::dup): Ditto.
	* fhandler_tape.cc: Rewrite tape operations entirely.  Implement
	new tape driver classes mtinfo, mtinfo_drive and mtinfo_part.
	Reduce fhandler_dev_tape methods to mostly just calling appropriate
	mtinfo_drive methods.
	(mtinfo_init): New function adding the mtinfo shared memory area.
	* mtinfo.h: New file, containing the definition of the new tape
	driver classes.
	* shared.cc: Include mtinfo.h.
	(offsets): Add entry for mtinfo shared memory area.
	(memory_init): Call mtinfo_init.
	* shared_info.h (shared_locations): Add SH_MTINFO shared location.
	* include/cygwin/mtio.h: Change and add various comments.  Add GMT_xxx
	macros for new generic flags.  Add MT_ST_xxx bitfield definitions
	for MTSETDRVBUFFER ioctl.
	* include/cygwin/version.h: Bump API minor version number.

2004-03-26  Christopher Faylor  <cgf@redhat.com>

	* path.cc (path_conv::check): Use 'strchr' rather than 'strrchr' to
	find end of string, for efficiency.

2004-03-26 Thomas Pfaff <tpfaff@gmx.net>

	* include/cygwin/_types.h: New file.
	* include/sys/lock.h: Ditto.
	* include/sys/stdio.h: Ditto.
	* thread.cc: Include sys/lock.h
	(__cygwin_lock_init): New function.
	(__cygwin_lock_init_recursive): Ditto.
	(__cygwin_lock_fini): Ditto.
	(__cygwin_lock_lock): Ditto.
	(__cygwin_lock_trylock): Ditto.
	(__cygwin_lock_unlock): Ditto.
	(pthread::atforkprepare): Lock file pointer before fork.
	(pthread::atforkparent): Unlock file pointer after fork.
	(pthread::atforkchild): Ditto.

2004-03-26  Corinna Vinschen  <corinna@vinschen.de>

	* sem.cc (semget): Fix debug string.
	(semop): Ditto.
	* shm.cc (fixup_shms_after_fork): Ditto.
	(shmat): Ditto.
	(shmdt): Ditto.
	(shmget): Ditto.

2004-03-26  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (wait_sig): Make sure that SIGCHLD is handled regardless
	of whether a signal is queued.

2004-03-26  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (wait_sig): Report if not trying to send signal due to
	queued signal.

2004-03-25  Christopher Faylor  <cgf@redhat.com>

	* path.cc (normalize_posix_path): Reorganize to short circuit to DOS
	path handling whenever a '\' is detected.

	* signal.cc (sigaction): Make strace output more informative.
	* sigproc.cc (pending_signals::add): Just index directly into signal
	array rather than treating the array as a heap.
	(pending_signals::del): Ditto.
	(wait_sig): Don't send signal if we already have a similar signal
	queued.
	* sigproc.h (call_signal_handler_now): Remove obsolete declaration.

2004-03-23  Gerd Spalink  <Gerd.Spalink@t-online.de>

	* fhandler_dsp.cc (fhandler_dev_dsp::write): Remove type
	cast from argument to audio_out_->parsewav() to make reference
	work properly. Now .wav file headers are properly discarded.

2004-03-23  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use created
	handle regardless of nohandle state.  Clean up afterwards.

2004-03-23  Gerd Spalink  <Gerd.Spalink@t-online.de>

	* autoload.cc: Load eight more functions for waveIn support.
	* fhandler.h (class fhandler_dev_dsp): Add class Audio, class Audio_in
	and class Audio_out members and audio_in_, audio_out_ pointers so
	that future changes are restricted to file fhandler_dsp.cc.
	* fhandler_dsp.cc (fhandler_dev_dsp::Audio): Add this class to treat
	things common to audio recording and playback.
	Add more format conversions.
	(fhandler_dev_dsp::Audio::queue): New queues for buffer management
	to fix incomplete cleanup of buffers passed to the wave device.
	(fhandler_dev_dsp::Audio_in): New, added class to implement audio
	recording.
	(fhandler_dev_dsp::Audio_out): Rework to use functionality provided
	by fhandler_dev_dsp::Audio.  Allocate memory audio buffers late,
	just before write.
	(fhandler_dev_dsp::Audio_out::start): Size of wave buffer allocated
	here depends on audio rate/bits/channels.
	(fhandler_dev_dsp::Audio_in::start): Ditto.
	(fhandler_dev_dsp::setupwav): Replaced by following function.
	(fhandler_dev_dsp::Audio_out::parsewav): Does not setup wave device
	any more. Discard wave header properly.
	(fhandler_dev_dsp::open): Add O_RDONLY and_RDWR as legal modes.
	Protect against re-open. Activate fork_fixup.
	(fhandler_dev_dsp::ioctl): Protect against actions when audio is
	active.  SNDCTL_DSP_GETFMTS only returns formats supported by
	mmsystem wave API, not all supported formats.  SNDCTL_DSP_GETBLKSIZE
	result now depends on current audio format.
	(fhandler_dev_dsp::fixup_after_fork): Call fork_fixup for the Audio
	classes to let them duplicate the CRITICAL_SECTION.

2004-03-19  Pierre Humblet  <pierre.humblet@ieee.org>
	    Christopher Faylor  <cgf@redhat.com>

	* init.cc (munge_threadfunc): Handle all instances of search_for.
	(prime_threads): Test threadfunc_ix[0].

2004-03-21  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cheap): Set initial_sz to something or suffer
	spurious output.
	(cygheap_fixup_in_child): Set alloc_sz to passed in size to ensure that
	children will have the right size heap.
	(_csbrk): Make output conditional on DEBUGGING.

2004-03-21  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cheap): Conditionalize debugging code.

2004-03-21  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cheap): Add ability to specify minimal cygwin heap
	size when debugging.
	(_csbrk): Report error in allocation to stderr.
	(ccalloc): Ditto.
	* dtable.cc (dtable::find_fifo): Remove use of atoms.
	* dtable.h (dtable::find_fifo): Ditto.
	* fhandler.h (fhandler_fifo): Ditto.
	* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Ditto.
	(fhandler_fifo::set_use): Ditto.
	(fhandler_fifo::open_not_mine): Ditto.
	(fhandler_fifo::open): Ditto.
	* pinfo.cc (_pinfo::commune_recv): Ditto.
	(_pinfo::commune_send): Ditto.

2004-03-19  Pierre Humblet <pierre.humblet@ieee.org>

	* dir.cc (rmdir): Reorganize error handling to reduce indentation.

2004-03-19  Christopher Faylor  <cgf@redhat.com>

	* include/cygwin/version.h: Bump DLL minor number to 10.

2004-03-18  Christopher Faylor  <cgf@redhat.com>

	* child_info.h (CURR_CHILD_INFO_MAGIC): Reset to new value.
	(child_info::cygheap_alloc_sz): New field.
	* cygheap.cc (init_cheap): Reduce size of cygwin stack until minimal
	hit when attempting initial allocation.
	(cygheap_setup_for_child): Use alloc_sz to create secondary memory
	mapped entry.  Store alloc_sz in cygheap_alloc_sz.
	(cygheap_fixup_in_child): Use cygheap_alloc_sz to map parent's cygheap.
	* cygheap.h (_CYGHEAPSIZE_SLOP): New define.
	(CYGHEAPSIZE): Use _CYGHEAPSIZE_SLOP.

2004-03-18  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_proc.cc (format_proc_meminfo): On NT, try to figure out
	real swap file usage by requesting SystemPagefileInformation.  Use
	GlobalMemoryStatus as fallback.
	* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemPagefileInformation.
	(struct _SYSTEM_PAGEFILE_INFORMATION): Define.

2004-03-17  Christopher Faylor  <cgf@redhat.com>

	* pipe.cc (fhandler_pipe::dup): Fix debugging message.

2004-03-17  Christopher Faylor  <cgf@redhat.com>

	* include/cygwin/version.h: Bump DLL minor number to 9.

2004-03-16  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (proc_terminate): Release sync_proc_subproc when done
	terminating or suffer potential hangs.
	(get_proc_lock): Reorganize debugging output slightly.

2004-03-15  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_cygtls::fixup_after_fork): Just manipulate the signal
	stack if a signal occurred during the parent's fork.  Otherwise leave
	it alone.

2004-03-15  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (try_to_debug): Report on tid of caller.

	* sync.cc (muto::acquire): Fix some races.
	* sync.h (muto): Expose some fields for easier debugging.

2004-03-15  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler.h (fhandler_dev_tape::tape_get_pos): Declare with extra
	parameter for partition number.
	(fhandler_dev_tape::_tape_set_pos): Ditto.
	(fhandler_dev_tape::tape_partition): New method.
	(fhandler_dev_tape::tape_set_partition): New method.
	* fhandler_tape.cc (fhandler_dev_tape::open): Call private methods
	directly instead of ioctl.
	(fhandler_dev_tape::ioctl): Use long erase on MTERASE by default.
	Don't use absolute positioning on MTSEEK.  Call tape_set_partition
	on MTSETPART, tape_partition on MTMKPART.
	(fhandler_dev_tape::tape_get_pos): Add partition number parameter.
	Prefer logical position information over absolute position information.
	Return partition number.
	(fhandler_dev_tape::_tape_set_pos): Add partition number parameter.
	Use in SetTapePosition.
	(fhandler_dev_tape::tape_set_pos): Remove special TAPE_ABSOLUTE_BLOCK
	handling.
	(fhandler_dev_tape::tape_erase): Rewind before erasing.
	(fhandler_dev_tape::tape_status): Rearrange slightly. Try to get a
	MediaType even if no tape is loaded. Store active partition in
	mt_resid as on Linux.
	(fhandler_dev_tape::tape_partition): New method.
	(fhandler_dev_tape::tape_set_partition): New method.
	* include/cygwin/mtio.h: Fix copyright. Add comment to explain
	mt_resid content.
	* include/cygwin/version.h: Bump API minor number.

2004-03-14  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_cygtls::remove): Call remove_wq even when we can't
	necessarily get the cygtls table lock.
	* cygtls.h (_cygtls::remove_wq): Add wait argument.
	* sigproc.cc (_cygtls::remove_wq): Honor wait argument when acquiring
	lock.
	(proc_terminate): Don't NULL sync_proc_subproc since other threads may
	still try to access it.

2004-03-14  Corinna Vinschen  <corinna@vinschen.de>

	* errno.cc (errmap): Map ERROR_BEGINNING_OF_MEDIA and
	ERROR_SETMARK_DETECTED to EIO instead of ESPIPE.
	Handle ERROR_FILEMARK_DETECTED.
	* fhandler_tape.cc (TAPE_FUNC): Add comment that ERROR_BUS_RESET
	has still to be handled correctly.
	(fhandler_dev_tape::open): Accomodate fact that get.mt_dsreg
	also contains density code.
	(fhandler_dev_tape::ioctl): Rearrange slightly.  Reset devbuf also on
	MTNOP, MTWSM, MTSETBLK, MTSETDRVBUFFER, MTSETPART and MTMKPART.
	(fhandler_dev_tape::tape_set_pos): Rearrange.  Match behaviour to
	the Linux tape driver.
	(fhandler_dev_tape::tape_status): Call IOCTL_STORAGE_GET_MEDIA_TYPES_EX
	if available.  Return device type and density code in appropriate
	mtget members.
	* wincap.h (wincaps::has_ioctl_storage_get_media_types_ex): New element.
	* wincap.cc: Implement above element throughout.
	* include/cygwin/mtio.h: Add tape device types as returned by
	IOCTL_STORAGE_GET_MEDIA_TYPES_EX.
	(MT_TAPE_INFO): Use above type codes.
	(struct mtget): Change mt_dsreg comment.

2004-03-14  Pierre Humblet <pierre.humblet@ieee.org>

	* dir.cc (rmdir): Construct real_dir with flag PC_FULL.
	Use a loop instead of recursion to handle the current directory.

2004-03-14  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_cygtls::remove): Call remove_wq to ensure that wait stuff
	is removed from proc_subproc linked list.
	* cygtls.h (_cygtls::remove_wq): Declare.
	* sigproc.cc (_cygtls::remove_wq): Define.
	(proc_subproc): Label event handle appropriately.
	* spawn.cc (spawn_guts): Return -1 when wait() fails for spawn types
	that require waiting.

2004-03-13  Corinna Vinschen  <corinna@vinschen.de>

	* errno.cc (errmap): Handle ERROR_BUS_RESET.
	* fhandler.h (fhandler_dev_raw::write_file): New method, created
	from former static function.
	(fhandler_dev_raw::read_file): Ditto.
	(reset_devbuf): New inline method.
	(class fhandler_dev_tape): Add TAPE_GET_DRIVE_PARAMETERS
	member `dp'.
	(fhandler_dev_tape::write_file): New method.
	(fhandler_dev_tape::read_file): Ditto.
	(fhandler_dev_tape::tape_get_feature): Convert to inline method.
	(fhandler_dev_tape::tape_error): New method, created from former
	static function.
	(fhandler_dev_tape::tape_get_blocksize): Remove declaration.
	* fhandler_raw.cc (fhandler_dev_raw::write_file): New method, created
	from former static function.
	(fhandler_dev_raw::read_file): Ditto.
	(fhandler_dev_raw::writebuf): Accomodate the fact that no devbuf
	exists under variable block size condition.
	(fhandler_dev_raw::raw_read): Ditto. Add local p pointer to simplify
	pointer arithmetic.
	(fhandler_dev_raw::raw_write): Always set devbufend to 0 when starting
	with writing. Accomodate the fact that no devbuf exists under
	variable block size condition.
	* fhandler_tape.cc: Various formatting changes.
	(TAPE_FUNC): New macro. Use throughout as tape function loop.
	(get_ll): Convert into macro.
	(IS_EOM): New macro.
	(IS_EOF): New macro.
	(fhandler_dev_tape::is_eom): Use IS_EOM macro.
	(fhandler_dev_tape::is_eof): Use IS_EOF macro.
	(fhandler_dev_tape::write_file): New method.
	(fhandler_dev_tape::read_file): New method.
	(fhandler_dev_tape::open): Get drive information block here once.
	(fhandler_dev_tape::lseek): Remove unneeded duplicate code.
	(fhandler_dev_tape::dup): Duplicate drive information block.
	(fhandler_dev_tape::ioctl): Remove drvbuf in variable block size mode.
	Return ERROR_INVALID_BLOCK_LENGTH instead of ERROR_MORE_DATA if
	buffer contains data which would get lost on buffer size changing.
	Use absolute tape positioning also if drive only supports logical
	block positioning.
	(fhandler_dev_tape::tape_error): New method, created from former
	static function.
	(fhandler_dev_tape::tape_get_pos): Allow logical block reporting.
	Workaround tape driver bug.
	(fhandler_dev_tape::_tape_set_pos): Reset device buffer and flags
	after successful repositioning.
	(fhandler_dev_tape::tape_set_pos): Allow logical block positioning.
	Workaround tape driver bug.
	(fhandler_dev_tape::tape_erase): Use dp instead of calling
	GetTapeParameters.
	(fhandler_dev_tape::tape_prepare): Ditto.
	(fhandler_dev_tape::tape_get_blocksize): Remove.
	(fhandler_dev_tape::tape_set_blocksize): Don't call tape_get_blocksize.
	Error handling already done in fhandler_dev_tape::ioctl.
	(fhandler_dev_tape::tape_status): Remove local `dp' variable.
	Accomodate logical tape reporting.  Call tape_get_feature instead
	of accessing feature words directly.
	(fhandler_dev_tape::tape_compression): Use dp instead of calling
	GetTapeParameters.  Fix resetting datcompression.

2004-03-12  Christopher Faylor  <cgf@redhat.com>

	* wait.cc (wait4): Initialize pointer on entry.  Avoid calling
	call_signal_handler twice since that guarantees exiting with errno set
	to EINTR.

2004-03-12  Corinna Vinschen  <corinna@vinschen.de>

	* exceptions.cc (sigpacket::process): Simplify code slightly.

2004-03-11  Christopher Faylor  <cgf@redhat.com>

	* cygtls.h (waitq): Declare structure here.
	(_cygtls::wq): Declare.
	* cygtls.cc (_cygtls::fixup_after_fork): Clear wq.thread_ev to avoid
	using an invalid event handle in forked process.
	* dcrt0.cc (waitq_storage): Delete.
	(threadstuff): Remove waitq_storage.
	* perthread.h (per_thread_waitq): Delete.
	(waitq_storage): Delete declaration.
	* sigproc.cc (sigproc_init): Remove perthread waitq consideration.
	* sigproc.h (waitq): Delete declaration.
	* wait.cc (wait4): Use _my_tls waitq structure rather than per_thread.

2004-03-11  Pierre Humblet  <pierre.humblet@ieee.org>

	* cygtls.h (_cygtls::newmask): Delete member.
	(_cygtls::deltamask): New member.
	* gendef (_sigdelayed): Replace the call to set_process_mask by a call
	to set_process_mask_delta.
	* exceptions.cc (handle_sigsuspend): Do not filter tempmask.  Or
	SIG_NONMASKABLE in deltamask as a flag.
	(_cygtls::interrupt_setup): Set deltamask only.
	(set_process_mask_delta): New function.
	(_cygtls::call_signal_handler): Replace the first call to
	set_process_mask by a call to set_process_mask_delta.
	* tlsoffsets.h: Regenerate.

2004-03-11  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_cygtls::fixup_after_fork): Remove unneeded setting of
	oldmask.
	* exceptions.cc: Remove some __I386__ conditionals.
	(handle_exceptions): Move ppid test to outside of a loop for
	efficiency.
	(setup_handler): Make debugging output more wordy.
	(_cygtls::call_signal_handler): To avoid a race, use lock/unlock to
	synchronize with signal thread and ensure that signal_arrived event has
	actually been set.
	* gendef (_sigfe): Use ebx for all sigstack manipulations to ensure
	that the register is saved.  Move setting of incyg to within stack lock
	to avoid setup_handler confusion.
	(_sigbe): Use ebx for all sigstack manipulations to ensure that the
	register is saved.
	(_cygtls::pop): Ditto.
	(_cygtls::lock): Ditto.
	(stabilize_sig_stack): Ditto.
	(setjmp): Ditto.
	(longjmp): Ditto.

2004-03-08  Jaakko Hyvatti  <jaakko.hyvatti@iki.fi>

	* fhandler_serial.cc (fhandler_serial::ioctl): Implement TIOCSBRK and
	TIOCCBRK.
	* include/sys/termios.h: Define TIOCSBRK and TIOCCBRK.

2004-03-08  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (setup_handler): Avoid suspending a thread if it is in
	a cygwin function, in an exception, spinning, or locked.
	* gendef (_sigfe): Move incyg setting earlier.
	(sigreturn): Set incyg flag to avoid interrupting called cygwin
	functions.
	(sigdelayed): Ditto.
	(stabilize_sig_stack): Ditto.

	* sigproc.cc (proc_subproc): Don't restore process lock early in exec
	case.

	* cygtls.h: Reorganize fields in _cygtls slightly.
	* tlsoffsets.h: Regenerate.

2004-03-06  Christopher Faylor  <cgf@redhat.com>

	* fork.cc (fork_parent): Save parent pid in a temporary variable since
	child could conceivably exit before function returns, rendering the
	child's shared memory area invalid.

	* cygtls.h (_cygtls::incyg): Declare new field.
	(_cygtls::in_exception): Define new function.
	* exceptions.cc (setup_handler): Remove locked flag.  Use 'incyg' flag
	and in_exception function to determine when we're in a cygwin function.
	(_cygtls::call_signal_handler): Decrement incyg flag prior to calling a
	handler.  Increment it on return.
	* gendef (_sigfe): Increment incyg flag.  Use testl for zero testing
	rather than orl, for consistency.
	(_sigbe): Decrement incyg flag.  Use testl for zero testing rather than
	orl, for consistency.
	(_cygtls::pop): Use testl for zero testing rather than orl, for
	consistency.
	(stabilize_sig_stack): Ditto.

	* tlsoffsets.h: Regenerate.

2004-03-05  Christopher Faylor  <cgf@redhat.com>

	* gendef (sigdelayed): Handle return here rather than going through
	sigbe to ensure that flags are properly restored.

2004-03-04  Thomas Pfaff  <tpfaff@gmx.net>

	* include/pthread.h (PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP): New
	define.
	(PTHREAD_NORMAL_MUTEX_INITIALIZER_NP): Ditto.
	(PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP): Ditto.
	* thread.cc (pthread_mutex::is_good_initializer): Check for all
	posssible initializers
	(pthread_mutex::is_good_initializer_or_object): Ditto.
	(pthread_mutex::is_good_initializer_or_bad_object): Ditto.
	(verifyable_object_isvalid): Support up to three static initializers.
	(verifyable_object_isvalid (void const *,long)): Remove.
	(pthread_cond::is_good_initializer_or_bad_object): Remove unneeded
	objectState var.
	(pthread_cond::init): Condition remains unchanged when creation has
	failed.
	(pthread_rwlock::is_good_initializer_or_bad_object): Remove unneeded
	objectState var.
	(pthread_rwlock::init): Rwlock remains unchanged when creation has
	failed.
	(pthread_mutex::init): Remove obsolete comment.  Mutex remains
	unchanged when creation has failed.  Add support for new initializers.
	(pthread_mutex_getprioceiling): Do not create mutex, just return
	ENOSYS.
	(pthread_mutex_lock): Simplify.
	(pthread_mutex_trylock): Remove unneeded local themutex.
	(pthread_mutex_unlock): Just return EPERM if mutex is not initialized.
	(pthread_mutex_setprioceiling): Do not create mutex, just return
	ENOSYS.
	* thread.h (verifyable_object_isvalid): Support up to three static
	initializers.
	(verifyable_object_isvalid (void const *,long)): Remove prototype.
	(pthread_mutex::init): Add optional initializer to parameter list.

2004-03-03  Christopher Faylor  <cgf@redhat.com>

	* gendef (sigreturn): Call stabilize_sig_stack to ensure that there are
	no pending signals.  Restore edx later.
	(sigdelayed): Save edx earlier.

	* malloc_wrapper.cc (malloc_init): Add some more debugging output.

2004-03-02  Corinna Vinschen  <corinna@vinschen.de>

	* fhandler_raw.cc (fhandler_dev_raw::raw_read): When reading with
	variable block size, read only one block, read directly into user
	supplied buffer, return ENOMEM if user supplied buffer is smaller
	than size of next block to read.  Use read2 instead of bytes_to_read
	to count number of bytes read.
	* fhandler_tape.cc (fhandler_dev_tape::open): Add debug output.

2004-02-26  Brian Ford  <ford@vss.fsi.com>

	* miscfuncs.cc (check_invalid_virtual_addr): Assure the last page
	in the range is always tested.  Add appropriate const.
	* mmap.cc (mmap_record::alloc_fh): Remove unused static path_conf object.

2004-02-25  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (setup_handler): Signal event for any sigwaitinfo, if it
	exists, to force signal to be handled.  Zero event here to prevent
	races.
	* signal.cc (sigwaitinfo): Use local handle value for everything since
	signal thread could zero event element at any time.  Detect when
	awaking due to thread not in mask and set return value and errno
	accordingly.  Don't set signal number to zero unless we've recognized
	the signal.
	* sigproc.cc (sigq): Rename from sigqueue throughout.

	* thread.cc (pthread::join): Handle signals received while waiting for
	thread to terminate.

2004-02-25  Christopher Faylor  <cgf@redhat.com>

	* cygwin.din: Export sighold, sigqueue.
	* exceptions.cc (sighold): Define new function.
	* signal.cc (handle_sigprocmask): Set correct errno for invalid signal.
	Simplify debugging output.
	(sigqueue): Define new function.
	* include/cygwin/signal.h (sighold): Declare new function.
	(sigqueue): Ditto.
	* include/cygwin/version.h: Bump API minor version number.
	* include/limits.h (TIMER_MAX): Define.
	(_POSIX_TIMER_MAX): Ditto.

2004-02-25  Brian Ford <ford@vss.fsi.com>,
	    Corinna Vinschen  <corinna@vinschen.de>

	* miscfuncs.cc (check_invalid_virtual_addr): New function.
	* winsup.h (check_invalid_virtual_addr): Declare.
	* mmap.cc (munmap): Call check_invalid_virtual_addr instead of
	IsBadReadPtr.

2004-02-24  Christopher Faylor  <cgf@redhat.com>

	* gendef (stabilize_sig_stack): Correctly align this pointer for call
	to _cygtls::call_signal_handler.
	* gentls_offsets: Output sizeof field.
	* tlsoffsets.h: Regenerate.

2004-02-24  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (_dll_crt0): Don't check sync_startup if threadfunc_ix is set.

	* external.cc (cygwin_internal): Implement CW_GET_BINMODE.
	* include/sys/cygwin.h: Declare CW_GET_BINMODE.

2004-02-24  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (_dll_crt0): Add some stern internal errors.

2004-02-24  Corinna Vinschen  <corinna@vinschen.de>

	* thread.cc (pthread::cancelable_wait): Rearrange slightly.
	Add do_sig_wait parameter.  Wait for signal_arrived if set to true.
	Return WAIT_SIGNALED if signal arrived.
	(pthread_cond::wait): Accomodate change to pthread::cancelable_wait.
	(pthread::join): Ditto.
	(semaphore::_timedwait): Ditto.
	(semaphore::_wait): Ditto.  Change to return int to allow status
	feedback.
	(semaphore::wait): Return return value from semaphore::_wait.
	* thread.h (WAIT_SIGNALED): New definition.
	(pthread::cancelable_wait): Change declaration.  Define do_sig_wait
	as false by default to not interfere with existing calls accidentally.
	(semaphore::_wait): Declare int.

2004-02-21  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (sigpacket::process): Make sure that tls is filled in
	for SIGSTOP condition.
	(_cygtls::call_signal_handler): Restore signal mask using saved oldmask
	rather than current oldmask.

2004-02-20  Christopher Faylor  <cgf@redhat.com>

	* path.cc (conv_path_list): Return error condition.
	(copy1): New function.
	(copyenc): New function.
	(mount_item::fnmunge): Return error condition.  Use new functions to
	copy strings.
	(mount_item::build_win32): Ditto.
	(mount_info::conv_to_win32_path): Return error condition.
	(cygwin_conv_to_posix_path): Return result of path conversion.
	(cygwin_conv_to_full_posix_path): Ditto.
	(return_with_errno): New macro.
	(cygwin_win32_to_posix_path_list): Use new macro to potentially set
	errno.
	(cygwin_posix_to_win32_path_list): Ditto.
	* path.h (mount_item::fnmunge): Add size argument.
	(mount_item::build_win32): Ditto.

2004-02-20  Corinna Vinschen  <corinna@vinschen.de>

	* getopt.c: Avoid useless compiler warnings.

2004-02-20  Corinna Vinschen  <corinna@vinschen.de>

	* getopt.c: Replace with latest vanilla(!) OpenBSD version 1.16.

2004-02-18  Christopher Faylor  <cgf@redhat.com>

	* fork.cc (fork_child): Invert sense of test which defeated correct
	handling in a fork from a non-main thread.

	* dcrt0.cc (initial_env): Eliminate parameter and just send DebugBreak
	when appropriate.
	(dll_crt0_0): Reflect parameter change to initial_env.
	(dll_crt0_1): Don't call initial_env.

2004-02-18  Christopher Faylor  <cgf@redhat.com>

	* gendef (stabilize_sig_stack): New function.
	(setjmp): Import, add sig stack handling.  Store sig stack info.
	(longjmp): Call stabilize_sig_stack.  Restore sig stack info.
	* config/i386/setjmp.c: Remove.

2004-02-17  Corinna Vinschen  <corinna@vinschen.de>

	* fork.cc (fork_child): Move fixup_shms_after_fork so that
	signal_arrived is initialized when calling it.

2004-02-17  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (clean): Clean libserver, too.

	* fhandler.cc (fhandler_base::~fhandler_base): Remove path_conv cleanup.
	* syscalls.cc (chroot): Ditto.
	* path.cc (path_conv::~path_conv): Define new destructor.
	(conv_path_list_buf_size): Remove explicit path_conv cleanup.
	* path.h (path_conv::~path_conv): Declare new destructor.

2004-02-16  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Compile flock.o with -fomit-frame-pointer.

2004-02-16  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Compile dlfcn.o with -fomit-frame-pointer.

2004-02-16  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Compile delqueue.o with -fomit-frame-pointer.

2004-02-16  Pierre Humblet <pierre.humblet@ieee.org>

	* syscalls.cc (rename): Do not test the MoveFile error code
	where MoveFileEx exists.

2004-02-15  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (_csbrk): Report more debugging details on failing
	condition.

2004-02-14  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Compile syscalls.o with -fomit-frame-pointer.

	* sigproc.cc: Eliminate unused variable.

2004-02-14  Corinna Vinschen  <corinna@vinschen.de>

	* getopt.c: Replace with latest NetBSD version 1.16.  Keep Cygwin
	specific changes as minimal as possible.

2004-02-13  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (proc_subproc): Change warning back to silent debug
	output.

2004-02-13  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (alloc_stack_hard_way): Revert to previous implementation.
	(alloc_stack): Ditto.
	* exceptions.cc (ctrl_c_handler): Add debugging output.

2004-02-13  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (clean): Remove sigfe.s.
	(sigfe.s): Ensure that sigfe.s will be regenerated if it does not exist.
	* dll_init.cc (dll_dllcrt0): Simplify initializing tests.

	* exceptions.cc (setup_handler): Detect when stub caller is either
	spinning or has acquired the lock after being suspended to avoid
	windows problems with suspending a win32 API call.

	* cygtls.h (_cygtls::spinning): Declare new element.
	* gendef: Remove unused _siglist_index and _siglist declaration.
	(_sigfe): Set spinning element when potentially looping, waiting for lock.
	(_sigbe): Ditto.
	(_cygtls::lock): Ditto.
	(_longjmp): Ditto.
	* tlsoffsets.h: Regenerate.
	* pinfo.cc (_pinfo::exit): Set final exit state here.  Call sigproc_terminate if
	invoked with 'norecord'.  Clear any residual _cygtls stuff.
	* winsup.h (exit_states): Define ES_FINAL.
	* spawn.cc (spawn_guts): Don't call proc_terminate specifically when
	execing.  Let _pinfo::exit handle that case.

	* sigproc.cc (wait_subproc): Always exit loop early when proc_loop_wait.

	* init.cc (munge_threadfunc): Eliminate unused argument.
	(dll_entry): Reflect above change in call to munge_threadfunc.

2004-02-11  Christopher Faylor  <cgf@redhat.com>

	* gendef (_sigbe): Zero location on pop.
	(_cygtls::pop): Ditto.

2004-02-11  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (alloc_stack_hard_way): Eliminate second argument.
	(alloc_stack): Remove use of 'b' throughout.

2004-02-11  Christopher Faylor  <cgf@redhat.com>

	Rename _threadinfo to _cygtls, throughout.
	* cygtls.h (_cygtls::call_signal_handler): Rename from
	call_signal_handler_now.
	(_cygtls::push): Make second argument mandatory.
	(_cygtls::fixup_after_fork): Declare new function.
	(_cygtls::lock): Ditto.
	* cygtls.cc (_cygtls::fixup_after_fork): Define new function.
	* dcrt0.cc (cygwin_finished_initializing): Define as bool.
	(alloc_stack): Use _tlstop rather than arbitrary variable in probably
	vain attempt to avoid strange fork problem on CTRL-C.
	(dll_crt0_0): Remove obsolete winpids::init call.
	* dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to
	initializing.
	* winsup.h (cygwin_finished_initializing): Declare as bool.
	* exceptions.cc (handle_exceptions): Rely on
	cygwin_finished_initializing to determine how to handle exception
	during process startup.
	(_cygtls::call_signal_handler): Rename from call_signal_handler_now.
	(_cygtls::interrupt_now): Fill in second argument to push.
	(signal_fixup_after_fork): Eliminate.
	(setup_handler): Initialize locked to avoid potential inappropriate
	unlock.  Resume thread if it has acquired the stack lock.
	(ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished
	initializing.
	* fork.cc (sync_with_child): Don't call abort since it can cause exit
	deadlocks.
	(sync_with_child): Change debugging output slightly.
	(fork_child): Set cygwin_finished_initializing here.  Call _cygtls fork
	fixup and explicitly call sigproc_init.
	(fork_parent): Release malloc lock on fork failure.
	(vfork): Call signal handler via _my_tls.
	* sigproc.cc (sig_send): Ditto.
	* syscalls.cc (readv): Ditto.
	* termios.cc (tcsetattr): Ditto.
	* wait.cc (wait4): Ditto.
	* signal.cc (nanosleep): Ditto.
	(abort): Ditto.
	(kill_pgrp): Avoid killing self if exiting.
	* sync.cc (muto::acquire): Remove (temporarily?) ill-advised
	exiting_thread check.
	* gendef (_sigfe): Be more agressive in protecting stack pointer from
	other access by signal thread.
	(_cygtls::locked): Define new function.
	(_sigbe): Ditto.
	(_cygtls::pop): Protect edx.
	(_cygtls::lock): Use guaranteed method to set eax to 1.
	(longjmp): Aggressively protect signal stack.
	* miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0.
	* pinfo.cc (winpids::set): Counterintuitively use malloc's lock to
	protect simultaneous access to the pids list since there are
	pathological conditions which can cause malloc to call winpid.
	(winpids::init): Eliminate.
	* pinfo.h (winpids::cs): Eliminate declaration.
	* pinfo.h (winpids::init): Eliminate definition.

2004-02-11  Corinna Vinschen  <corinna@vinschen.de>

	* security.cc (get_nt_object_attribute): Fix error handling.

2004-02-09  Ralf Habacker  <ralf.habacker@freenet.de>

	* fhandler_socket.cc (fhandler_socket::ioctl): Add FIONREAD handling.

2004-02-08  Christopher Faylor  <cgf@redhat.com>

	* debug.h (console_printf): Define for non-debugging condition.

	* cygtls.h (_threadinfo::lock): Remove wait argument.
	(_threadinfo::interrupt_setup): Remove retaddr argument.
	* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
	(_threadinfo::interrupt_now): Accommodate change to interrupt_setup
	argument.
	(setup_handler): Ditto.  Always lock sig stack prior to determining
	interrupt method.
	* gendef (_sigfe): Correct thinko regarding cmpxchg.
	(_sigbe): Ditto.
	(_threadinfo::lock): Ditto.
	(_threadinfo::pop): Eliminate left-over stack unlock.
	* sigproc.cc (proc_subproc): Change debugging output to printed
	warning.

2004-02-08  Christopher Faylor  <cgf@redhat.com>

	* localtime.cc (localtime_r): Call tzset.

	* Makefile.in: Make version.h/cygwin.din version check a warning since
	it is not foolproof.

	* cygheap.h (CYGHEAPSIZE): Bump size down.

	* cygtls.h (_threadinfo::stacklock): New element.
	(_threadinfo::pop): Make regparm.
	(_threadinfo::lock): New function.
	(_threadinfo::unlock): New function.
	* cygtls.cc (_threadinfo::push): Wait for a lock on the stack before
	performing the operation.
	(_threadinfo::pop): Move to another file.
	* cygwin.din: More SIGFE changes.
	* exceptions.cc (try_to_debug): Always display messages on console.
	(handle_exceptions): Unwind stack only when actually about to call
	sig_send.
	(setup_handler): Lock stack prior to performing any operations.
	* gendef (_sigfe): Ditto.
	(_sigbe): Ditto.
	(_threadinfo::pop): Ditto.  Move here.
	* gen_tlsoffsets: Generate positive offsets.
	* tlsoffsets.h: Regenerate.

2004-02-06  Corinna Vinschen  <corinna@vinschen.de>

	* cygserver.h (CYGWIN_SERVER_VERSION_API): Bump.
	* cygserver_ipc.h (struct proc): Add signal_arrived member.
	(ipc_set_proc_info): Inititalize blk.signal_arrived.

2004-02-06  Pierre Humblet <pierre.humblet@ieee.org>

	* uinfo.cc (cygheap_user::init): Use sec_user_nih to build a
	security descriptor. Set both the process and the default DACLs.
	* fork.cc (fork_parent): Use sec_none_nih security attributes.
	* spawn.cc (spawn_guts): Ditto.

2004-02-05  Christopher Faylor  <cgf@redhat.com>

	* cygwin.din: Make many more functions SIGFE.
	* include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.

2004-02-05  Pierre Humblet <pierre.humblet@ieee.org>

	* security.h (SID): New macro.
	(well_known_*_sid): Change type to cygpsid.
	(cygsid::init): Delete declaration.
	* sec_helper.cc (well_known_*_sid): Define using above SID macro.
	(cygsid::init): Delete.
	* dcrt0.cc (dll_crt0_0): Do not call cygsid::init.
	* security.cc (get_user_local_groups): Change the second argument type
	to cygpsid.

2004-02-03  Christopher Faylor  <cgf@redhat.com>

	* cygtls.h (_local_storage::signamebuf): Increase size to prevent
	overflow on really odd values.
	* tlsoffsets.h: Regenerate.

2004-02-03  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (DLL_OFILES): Add strsig.o.
	* cygtls.h (_local_storage::signamebuf): New element.
	* sysconf.cc (sysconf): Implement _SC_RTSIG_MAX.
	* tlsoffsets.h: Regenerate.
	* include/limits.h (_POSIX_RTSIG_MAX): New define.
	(RTSIG_MAX): Ditto.
	* include/cygwin/signal.h (SIGRTMIN): New define.
	(SIGRTMAX): Ditto.
	(NSIG): Bump.
	* strsig.cc: New file.

2004-02-03  Jason Tishler <jason@tishler.net>

	* window.cc (Winmain): Show windows error code in error output when
	RegisterClass fails.

2004-02-02  Christopher Faylor  <cgf@redhat.com>

	* fhandler.h (*::fixup_after_exec): Eliminate unused handle argument.
	* fhandler.h (dtable::fixup_after_exec): Eliminate unused handle
	argument.
	* dcrt0.cc (dll_crt0_1): Reflect elimination of unused handle argument
	to fixup_after_exec.
	* dtable.cc (dtable::fixup_after_exec): Ditto.
	* fhandler_console.cc (fhandler_console::fixup_after_exec): Ditto.
	* fhandler_dsp.cc (fhandler_dsp::fixup_after_exec): Ditto.
	* fhandler_raw.cc (fhandler_raw::fixup_after_exec): Ditto.
	* fhandler_socket.cc (fhandler_socket::fixup_after_exec): Ditto.
	* fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Ditto.
	* pipe.cc (fhandler_pipe::fixup_after_exec): Ditto.

2004-02-02  Pierre Humblet <pierre.humblet@ieee.org>

	* spawn.cc (spawn_guts): Do not set ciresrv.parent.
	* child_info.h (child_info_spawn::~child_info_spawn): Do not close
	parent.  Update CURR_CHILD_INFO_MAGIC.
	* dcrt0.cc (dll_crt0_0): Do not close spawn_info->parent.  Pass NULL to
	cygheap->fdtab.fixup_after_exec().

2004-02-02  Christopher Faylor  <cgf@redhat.com>

	Throughout, change name from set_inheritance to set_no_inheritance to
	better reflect input arguments of this function.

	* cygheap.h (CYGHEAPSIZE): Increase size of cygheap to something closer
	to the 21st century.

2004-02-02  Corinna Vinschen  <corinna@vinschen.de>

	* cygerrno.h (set_errno): Replace semicolon with comma in non-DEBUGGING
	version to avoid compile time error.

2004-02-01  Christopher Faylor  <cgf@redhat.com>

	* cygerrno.h (set_errno): Set global errno whenever setting thread
	specific version.
	* debug.cc (__set_errno): Ditto.

	* exceptions.cc (handle_sigsuspend): Remove spurious
	sig_dispatch_pending call.
	(set_signal_mask): When there seem to be pending signals to dispatch,
	tell signal_dispatch_pending/sig_send not to specifically call any
	handlers.
	* sigproc.h (sig_dispatch_pending): Change declaration to void.
	* sigproc.cc (sig_dispatch_pending): Change definition to void.  Take
	an argument to determine whether to tell sig_send to wait for handler
	to be called.
	* sigproc.cc (sig_send): Don't call signal handler when sig ==
	__SIGFLUSHFAST.
	(wait_sig): Honor __SIGFLUSHFAST.  Guard against sigpacket::process
	nuking si_signo.
	* sigproc.h (__SIGFLUSHFAST): Define new special signal.
	(sig_dispatch_pending): Change declaration to void.  Take optional
	boolean argument.

	* fork.cc (vfork): Add debugging output.

2004-01-26  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (sig_handle_tty_stop): Avoid races by waiting for both
	signal_arrived and for sigCONT.
	(sigpacket::process): Enforce sending of both signal_arrived and
	sigCONT, where appropriate.
	* gendef (sigreturn): Save tls pointer in ebx so that it can jump into
	sigdelayed and use the same register.

2004-01-26  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_threadinfo::init_thread): Add more local reent stdio
	initialization.
	* dcrt0.cc (initial_env): Can it really be true that XP doesn't allow
	attaching a debugger during DLL attach?  Add temporary workaround.
	(dll_crt0_0): Ensure that _impure_ptr stdio is initialized before any
	threads.
	(dll_crt0_1): Move _impure_ptr initialization to dll_crt0_0.
	* exceptions.cc (try_to_debug): Reinstate old method for looping while
	debugging.
	* syscalls.cc (_cygwin_istext_for_stdio): Regularize debugging output.
	Remove hopefully extraneous check.
	(setmode_helper): Add debugging output for improbable case.  Use
	"binary" rather "raw" for consistency.

2004-01-25  Christopher Faylor  <cgf@redhat.com>

	* fhandler.cc (fhandler_base::fhaccess): Avoid always setting errno to
	EACCESS when return value is < 0.  Rely on errno being set properly.

2004-01-25  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (proc_subproc): Don't protect *child's* handle.

2004-01-24  Christopher Faylor  <cgf@redhat.com>

	* fhandler.h (fhandler_base::fhaccess): Return int for compatibility
	with access.
	* fhandler.cc (fhandler_base::fhaccess): Return int.  Use consistent
	variable name for exit value.  Exit at bottom, printing debugging
	information, like other cygwin functions.

2004-01-23  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cygheap::close_ctty): Protect YA vforkism.
	* fhandler.h (fhandler_base::has_acls): Make pass through for path_conv
	method.
	(fhandler_base::isremote): Ditto.
	(fhandler_base::is_fs_special): Ditto.
	(fhandler_base::has_attribute): Ditto.  Define new function.
	(fhandler_base::fhaccess): Declare new function based on access_worker.
	(fhandler_base::set_has_acls): Eliminate obsolete function.
	(fhandler_base::set_isremote): Ditto.
	* fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into
	fhandler_base class.  Use fhandler methods to access data rather than
	path_conv stuff.
	(fhandler_base::device_access_denied): Use fhaccess method.
	* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
	(fhandler_base::open_fs): Remove calls to obsolete functions.
	* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
	* winsup.h (access_worker): Remove obsolete access_worker declaration.
	*syscalls.cc (access_worker): Move function to fhandler.cc.
	(access): Use fhaccess method.

	* pinfo.cc (_pinfo::set_ctty): Clarify debugging output.
	* sigproc.cc (sig_dispatch_pending): Ditto.
	* syscalls.cc (setsid): Perform minor rearrangement.

2004-01-23  Pierre Humblet <pierre.humblet@ieee.org>

	* fhandler_socket.cc (fhandler_socket::create_secret_event): Avoid
	creating multiple handles. Always allow event inheritance but set the
	handle inheritance appropriately. Improve error handling.
	(fhandler_socket::check_peer_secret_event): Improve error handling.
	(fhandler_socket::close_secret_event): Simply call CloseHandle.
	(fhandler_socket::set_close_on_exec): Set secret event inheritance.

2004-01-23  Christopher Faylor  <cgf@redhat.com>

	* configure.in: Remove NEWVFORK default.
	* configure: Regenerate.
	* dcrt0.cc: Conditionalize vfork stuff throughout.
	* dtable.cc: Ditto.
	* perthread.h: Ditto.
	* pipe.cc (fhandler_pipe::close): Ditto.
	* spawn.cc (spawnve): Ditto.
	* syscalls.cc (setsid): Ditto.
	* exceptions.cc (sigpacket::process): Use macro to refer to vfork pid.

	* debug.cc (verify_handle): Define new function.
	* debug.h (VerifyHandle): Define new macro.
	(verify_handle): Declare new function
	* fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not
	supposed to be in use.
	(fhandler_base::set_inheritance): Ditto.
	(fhandler_base::fork_fixup): Ditto.
	* fhandler_socket.cc (fhandler_socket::dup): Ditto.
	* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
	* net.cc (set_socket_inheritance): Ditto.
	* pinfo.cc (pinfo_fixup_after_exec): Ditto.
	* sigproc.cc (proc_subproc): Ditto.
	(sig_send): Ditto.
	* spawn.cc (spawn_guts): Ditto.
	* thread.cc (pthread::init_mainthread): Ditto.
	* pipe.cc (fhandler_pipe::close): Close read_state with
	ForceCloseHandle since it was protected.
	(fhandler_pipe::fixup_after_exec): Protect read_state handle.
	(fhandler_pipe::dup): Correctly close open handles on error condition.
	Verify that dup'ed handle is not supposed to be in use.
	(fhandler_pipe::create): Protect read_state.

2004-01-23  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (sig_handle_tty_stop): Fix boneheaded mistake by using
	correct check for parent state rather than inverted check mistakenly
	introduced on 2003-09-15.

2004-01-22  Brian Ford  <ford@vss.fsi.com>

	* fhandler_serial.cc (fhandler_serial::raw_write): Prevent a deadlock
	when the input buffer overflows.
	(fhandler_serial::raw_read): Correct to print the actual error and only
	call PurgeComm when necessary.

2004-01-22  Christopher Faylor  <cgf@redhat.com>

	* dcrt0.cc (reent_data): Make global.
	* cygwin.din: Reexport reent_data.

2004-01-22  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_threadinfo::remove): Don't assume that we are removing
	_my_tls.
	* exceptions.cc (setup_handler): Improve debugging output.
	(call_signal_handler_now): Remove ill-advised debugger call.
	* sigproc.cc (sigcomplete_main): Delete.
	(sig_send): Honor FIXME and avoid using main thread's completion event
	for everything or suffer races.
	(pending_signals::add): Default stored mask to current process mask
	rather than mask at time of signal send.
	(wait_sig): Add debugging output.
	* sigproc.h (sigpacket::mask_storage): Delete.

2004-01-22  Christopher Faylor  <cgf@redhat.com>

	* fhandler.cc (fhandler_base::open): Revert isfs change.

2004-01-21  Christopher Faylor  <cgf@redhat.com>

	* devices.in: Change raw com device to more correct form.

2004-01-21  Christopher Faylor  <cgf@redhat.com>

	* fhandler.cc (fhandler_base::open): Use major numbers rather than
	device numbers to control special behavior for devices which take
	units.
	* fhandler_raw.cc (fhandler_dev_raw::writebuf): Ditto.
	(fhandler_dev_raw::fstat): Ditto.
	(fhandler_dev_raw::open): Ditto.
	(fhandler_dev_raw::ioctl): Ditto.

2004-01-21  Nicholas Wourms  <nwourms@netscape.net>

	* signal.cc (sigaction): Fix if-statement typo.

2004-01-21  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (handle_threadlist_exception): Change logic, improve
	debugging output.

2004-01-21  Christopher Faylor  <cgf@redhat.com>

	* fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change
	for TIOCSWINSZ.  It is not an error for ioctl_request_event to be
	missing.

2004-01-20  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (pending_signals::save): New function.
	(pending_signals::restore): Ditto.
	(sig_clear): Save/restore current queue pointer.
	(wait_sig): Delete signals marked as such.
	* sigproc.h (__SIGDELETE): New enum.

2004-01-20  Christopher Faylor  <cgf@redhat.com>

	* include/cygwin/version.h: Bump DLL minor number to 8.

	* cygmalloc.h: Make more concessions to attempts to get debugging
	malloc working.
	* debug.h: Ditto.
	* dlmalloc.cc: Ditto.
	* dlmalloc.h: Ditto.
	* malloc_wrapper.cc: Ditto.

	* perthread.h (perthread::create): Use calloc to ensure zeroed memory.

2004-01-20  Christopher Faylor  <cgf@redhat.com>

	* sec_acl.cc (setacl): Make sure sd_ret is large enough.

2004-01-19  Christopher Faylor  <cgf@redhat.com>

	* sigproc.cc (sigproc_terminate): Don't close sendsig handle when
	execing since we're not closing what we think we're closing.
	(sig_send): Improve debugging when exiting due to no_signals_available.

	* wincap.h (wincaps::cant_debug_dll_entry): New element.
	* wincap.cc: Implement above element throughout.
	* dcrt0.cc (initial_env): Accommodate changes necessary to allow
	initial debugging for systems which do not allow debugging in
	dll_entry.
	(dll_crt0_0): Add initial_env call back here.

	* Makefile.in (install-man): Use mandir as target for installation.

2004-01-19  Christopher Faylor  <cgf@redhat.com>

	* include/cygwin/version.h: Bump DLL minor number to 7 (should have been
	done earlier).

2004-01-19  Christopher Faylor  <cgf@redhat.com>

	* cygwin/include/signal.h: Add copyright notice.

	* cygwin.din: Make clock SIGFE.  Add clock_gettime, sigwaitinfo,
	timer_create, timer_delete, timer_settime.
	* include/cygwin/version.h: Reflect above additions.
	* fork.cc (fork_child): Call fixup_timers_after_fork.
	* signal.cc (sigwait): Remove unused variable.
	* timer.cc: New file.
	(clock_gettime): Define new function.
	(timer_tracker): Define new struct used by timer functions.
	(timer_tracker::timer_tracker): New function.
	(to_us): New function.
	(timer_thread): New function.
	(timer_tracker::settime): New function.
	(timer_create): New function.
	(timer_settime): New function.
	(timer_delete): New function.
	(fixup_timers_after_fork): New function.
	* cygthread.cc: Bump thread count.

2004-01-17  Christopher Faylor  <cgf@redhat.com>

	* signal.cc (sigwaitinfo): Define new function.
	(sigwait): Redefine based on sigwaitinfo.
	* include/cygwin/signal.h (sigwaitinfo): Declare.
	(sigwait): Ditto.

2004-01-17  Christopher Faylor  <cgf@redhat.com>

	* dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty
	when ctty == ctty_on_hold.

2004-01-16  Christopher Faylor  <cgf@redhat.com>

	* cygtls.h (_threadinfo::threadkill): New element.
	(_threadinfo::set_threadkill): Declare new function.
	(_threadinfo::reset_threadkill): Declare new function.
	* dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach
	to running process with #(*& Windows Me/9x.
	(initial_env): Try to initialize strace if uninitialized.
	* gendef: Don't zero signal if threadkill is set since that will happen
	in the called function.
	* signal.cc (sigwait): Ensure cleanup in error conditions.
	* sigproc.cc (sig_send): Clear packet mask storage.
	(wait_subproc): Fill in child exit code in siginfo_t structure.
	* thread.cc (pthread_kill): Set threadkill flag.
	* tlsoffsets.h: Regenerate.

2004-01-16  Christopher Faylor  <cgf@redhat.com>

	Throughout, use siginfo_t to fill out all signal information for
	"kernel" signals.
	* cygtls.h (_threadinfo::set_siginfo): Declare new function.
	* cygtls.cc (_threadinfo::set_siginfo): Define new function.
	* dcrt0.cc (do_exit): Accommodate siginfo_t considerations.
	* exceptions.cc (handle_exceptions): Ditto.
	(sig_handle_tty_stop): Ditto.
	(ctrl_c_handler): Use killsys() to send signal.
	(sigpacket::process): Rename from sig_handle.  Use siginfo_t field from
	sigpacket for everything.
	(tty_min::kill_pgrp): Accommodate siginfo_t considerations.
	(fhandler_termios::bg_check): Ditto.
	* fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal.
	* signal.cc (kill_worker): Rewrite to use siginfo_t second argument.
	(kill_pgrp): Ditto.
	(kill0): Define new function pulled from kill().
	(kill): Rewrite as frontend to kill0.
	(killsys): Define new function.
	* sigproc.cc (sigelem): Eliminate.
	(sigpacket): Move to sigproc.h.  Subsume sigelem.
	(pending_signals): Use sigpacket rather than sigelem for everything.
	(sig_clear): Ditto.
	(wait_sig): Ditto.
	(sig_send): Rewrite to use siginfo_t argument.
	(sig_send): New function wratpper to sig_send with siginfo_t argument.
	(wait_subproc): Accommodate siginfo_t considerations.
	* thread.cc (pthread_kill): Ditto.
	* sigproc.h (sigpacket): Move here.
	(sigpacket::process): Declare "new" function.
	(sig_handle): Eliminate declaration.
	(sig_send): Declare with new paramaters.
	(killsys): Declare new function.
	(kill_pgrp): Declare.
	* winsup.h: Move some signal-specific stuff to sigproc.h.
	* include/cygwin/signal.h: Tweak some siginfo_t stuff.

2004-01-16  Christopher Faylor  <cgf@redhat.com>

	* fhandler_console.cc (fhandler_console::close): Remove obsolete test
	for vfork_cleanup.
	* pipe.cc (fhandler_pipe::close): Add comment.

2004-01-16  Christopher Faylor  <cgf@redhat.com>

	* cygheap.cc (init_cygheap::close_ctty): Don't NULL ctty if it is still
	active.

2004-01-16  Christopher Faylor  <cgf@redhat.com>

	* dtable.cc (dtable::vfork_parent_restore): Store ctty_on_hold prior to
	calling close_all_files since it will be zeroed.

2004-01-15  Christopher Faylor  <cgf@redhat.com>

	* gentls_offsets: Reinstate unlink of temp files.

2004-01-14  Christopher Faylor  <cgf@redhat.com>

	* fhandler_console.cc (fhandler_console::close): Fix debugging output.
	(fhandler_console::fixup_after_fork): Decrement open_fhs prior to call
	to fhandler_console::open since this would cause incrementing too much
	incrementing in child processes.  (Probably needs to be handled more
	elegantly someday)
	(fhandler_console::fixup_after_exec): Ditto.

2004-01-14  Christopher Faylor  <cgf@redhat.com>

	* cygtls.h (_threadinfo::call): Remove regparm declaration to work
	around compiler bug.

2004-01-13  Christopher Faylor  <cgf@redhat.com>

	* autoload.cc (TryEnterCriticalSection): Remove.
	* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of
	_my_tls.stackptr to NULL since it has really bad consequences.  Make
	'si' an automatic variable.

2004-01-13  Christopher Faylor  <cgf@redhat.com>

	* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused
	thread list to be allocated every time.
	* cygtls.h (CYGTLS_PADSIZE): Define as const int.
	* sync.h: Make multiple inclusion safe.
	(muto::next): Eliminate.
	(muto::exiting_thread): New variable.
	(muto::set_exiting_thread): New function.
	(new_muto): Change to use different section for mutos since c++ give
	inexplicable warning in some cases otherwise.
	(new_muto1): Ditto.
	* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
	* sync.cc (muto_start): Eliminate.
	(muto::acquire): Always give exiting thread a lock.  Never give thread
	a lock if exiting.
	(muto::release): Ditto for releasing.
	* dtable.cc (dtable::init_lock): Unline function and define here.
	* dtable.h (lock_cs): Define as a muto since critical sections seem to
	work oddly on Windows Me.
	(lock): Accommodate switch to muto.
	(unlock): Ditto.
	* exceptions.cc (setup_handler): Don't worry about acquiring mutos
	since that hasn't mattered for a long time.
	(signal_exit): Ditto: muto stuff will be handled automatically on exit
	now.

2004-01-12  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL
	initialization.
	* autoload.cc (RegCloseKey): Arbitrarily choose this function as a
	"seed" to pull the advapi32 link library in.  So, comment out the
	autoloading.
	* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
	(_threadinfo::remove): Add debugging.
	(_threadinfo::find_tls): Ditto.
	* cygtls.h (_threadinfo::padding): Make zero length (for now?).
	* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
	(dll_crt0_1): See above.
	* dtable.h (dtable::lock): Remove commented out critical section
	locking.
	* dtable.h (dtable::init_lock): Remove commented out critical section
	locking.
	* dtable.h (dtable::unlock): Remove commented out critical section
	locking.
	* exceptions.cc (interruptible): bool'ize.
	* init.cc (threadfunc_fe): Revert to storing threadfunc at stack
	bottom.
	(munge_threadfunc): Ditto.  Avoid adding overhead to
	calibration_thread.
	(prime_threads): Don't initialize tls stuff.
	(dll_entry): Make minor change to initialization order.
	* tlsoffsets.h: Regenerate.

	* sigproc.cc (wait_sig): Add sanity check for end of process thread
	exit.

	* select.h: Make minor formatting change.

2004-01-10  Christopher Faylor  <cgf@redhat.com>

	* Makefile.in: Add still more -fomit-frame-pointer functions.
	* dtable.h (dtable::lock): New function.
	(dtable::unlock): New function.
	(dtable::init_lock): New function.
	* cygheap.h (HEAP_TLS): Declare new enum value.
	(init_cygheap::threadlist): Declare new array.
	(init_cygheap::sthreads): Declare new variable.
	(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock
	functions.
	(cygheap_fdnew::cygheap_fdnew): Ditto.
	(cygheap_fdget::cygheap_fdget): Ditto.
	* dtable.cc (dtable_init): Initialize fdtab critical section.
	(dtable::fixup_after_fork): Ditto.
	(dtable::fixup_after_exec): Ditto.
	(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
	(dtable::find_fifo): Ditto.
	(dtable::fixup_before_fork): Ditto.
	(dtable::fixup_before_exec): Ditto.
	(dtable::set_file_pointers_for_exec): Ditto.
	(dtable::vfork_child_dup): Ditto.
	(dtable::vfork_parent_restore): Ditto.
	* syscalls.cc (close_all_files): Ditto.
	* sync.h (muto::acquired): Declare new function.
	(new_muto1): Declare new macro used to specify name of muto storage.
	* sync.cc (muto::acquired): Define new function.

	* cygthread.cc (cygthread::stub): Remove signal chain removal call
	since it is handled during initialization now.
	* cygthread.cc (cygthread::simplestub): Remove signal chain removal
	call since it is handled during initialization now.
	* cygtls.cc (sentry): New class used for locking.  Use throughout.
	(_threadinfo::reset_exception): Don't pop stack.
	(_threadinfo::find_tls): Move from exceptions.cc.
	(_threadinfo::init_thread): Initialize array of threads rather than
	linked list.  Take second argument indicating thread function for this
	thread.
	(_threadinfo::remove): Search thread array rather than linked list.
	Use sentry to lock.  Only unlock if we got the lock.
	(_threadinfo::find_tls): Ditto for first two.
	(handle_threadlist_exception): Handle exceptions when manipulating the
	thread list in case of premature thread termination.
	(_threadinfo::init_threadlist_exceptions): Ditto.
	* cygtls.h (TLS_STACK_SIZE): Decrease size.
	(_threadinfo::padding): Add element to avoid overwriting lower part of
	stack.
	(_threadinfo::remove): Add a "wait" argument to control how long we
	wait for a lock before removing.
	* exceptions.cc (init_exception_handler): Make global.  Take argument
	to control exception handler being set.
	(ctrl_c_handler): Wait forever when removing self from signal chain.
	(_threadinfo::find_tls): Move to cygtls.cc.
	(sig_handle): Reorganize detection for thread-specific signals.
	* heap.cc (heap_init): Rework slightly.  Make fatal error more verbose.
	Remove malloc initialization since it can't happen during dll attach.
	* init.cc (search_for): Move address to search for on stack here.
	(threadfunc_ix): Ditto for stack offset.  Make shared so that stack
	walk potentially only has to be done once when cygwin processes are
	running.
	(threadfunc_fe): Use standard tls to store thread function (may change
	back later).
	(calibration_thread): New function.  Potentially called to find
	threadfunc_ix.
	(munge_threadfunc): Search for "search_for" value on stack.  Output
	warning when thread func not found on stack.  Use standard tls to store
	thread function.
	(prime_threads): New function.  Called to prime thread front end.
	(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH.  Call
	prime_threads here.  Try to remove thread from signal list here.
	* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
	* thread.cc (pthread::exit): Pass argument to signal list remove
	function.
	* thread.h: Remove obsolete *ResourceLock defines.

	* tlsoffsets.h: Regenerate.

	* winsup.h (spf): Define temporary debug macro to be deleted later.

	* dcrt0.cc (dll_crt0_0): New function, called during DLL
	initialization.  Mainly consists of code pulled from dll_crt0_1.
	(dll_crt0_1): See above.
	(_dll_crt0): Wait for initial calibration thread to complete, if
	appropriate.  Move some stuff to dll_crt0_0.
	(initialize_main_tls): Accommodate argument change to
	_thread_info::init_thread.
	* fork.cc (fork_child): Ditto.
	(sync_with_child): Fix debug message.
	* external.cc (cygwin_internal): Remove special considerations for
	uninitialized dll since initialization happens during dll attach now.

	* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
	(dlclose): Ditto.

2004-01-05  Christopher Faylor  <cgf@redhat.com>

	* cygheap.h (init_cygheap::close_ctty): Declare new function.
	* cygheap.cc (init_cygheap::close_ctty): Define new function.
	* syscalls.cc (close_all_files): Use close_ctty.
	(setsid): Ditto.

	* cygthread.cc (cygthread::stub): Remove exception initialization.
	* cygthread.cc (cygthread::stub): Remove exception initialization.
	(cygthread::simplestub): Ditto.
	* thread.cc (pthread::thread_init_wrapper): Ditto.
	* cygtls.cc (_last_thread): Make static.
	(_threadinfo::call2): Initialize exception handler here.
	(_threadinfo::find_tls): Move here.
	* exceptions.cc (_threadinfo::find_tls): Move.

	* dcrt0.cc (__api_fatal): Add prefix info to message here rather than
	including it in every call to function.
	* winsup.h (api_fatal): Accommodate above change.
	* debug.cc (add_handle): Don't do anything if cygheap not around.
	(mark_closed): Ditto.

	* dll_init.cc (dll_list::detach): Fix debug output.
	* fork.cc (sync_with_child): Ditto.
	(vfork): Improve debug output.
	* heap.cc (heap_init): Ditto.

	* exceptions.cc (try_to_debug): Clarify message when debugger attaches.

2004-01-03  Christopher Faylor  <cgf@redhat.com>

	* exceptions.cc (_threadinfo::interrupt_now): Avoid double call to
	sigdelayed.
	* pinfo.cc (_pinfo::commune_send): Avoid inexplicable test which caused
	most pids to be shown as "<defunct>" on Win9x.

2004-01-02  Christopher Faylor  <cgf@redhat.com>

	* cygheap.h (init_cygheap): Play more vfork shell games and move
	ctty_on_hold and open_fhs_on_hold (back) here.
	* dcrt0.cc (_dll_crt0): Just set impure_ptr_ptr here and let later
	initialization deal with tls.
	* dtable.cc (dtable::vfork_child_fixup): Move ctty considerations here.
	(dtable:vfork_parent_restore): And here.
	* fork.cc (vfork): Reflect change to ctty handling.
	* perthread.h (vfork_save::fhctty): Eliminate.

	* cygwin.din: Make more exports NOSIGFE that will never be interrupted
	by a signal.

	* init.cc (dll_entry): Set stackptr to NULL to catch problems earlier.