Avoid use of tls since it isn't necessarily initialized when cygwin1.dll is
dynamically loaded.
(mount_info::create_root_entry): Ditto.
(mount_info::init): Calculate cygwin root once. Use create_root_entry to
record it. Pass fstab location to from_fstab.
(mount_info::from_fstab): Move root calculation stuff elsewhere, as per above.
* shared_info.h (mount_info::from_fstab_line): Make private.
(mount_info::fstab): Ditto. Accommodate new arguments.
wsa_event.h instead.
* fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h.
(wsa_events): Move from DLL shared area to cygwin_shared shared
memory. Accommodate throughout.
(socket_serial_number): Ditto.
* fhandler_tape.cc (mt): Ditto.
(mtinfo_init): Remove.
(mt): Define as cygwin_shared->mt.
* flock.cc (FLOCK_PARENT_DIR_ACCESS): Remove.
(FLOCK_INODE_DIR_ACCESS): Move up in file.
(FLOCK_MUTANT_ACCESS): Ditto.
(FLOCK_EVENT_ACCESS): Ditto.
(get_lock_parent_dir): Remove.
(inode_t::inode_t): Call get_shared_parent_dir to get parent dir handle.
Add a "flock-" prefix to file's lock directory name for clarity.
* mtinfo.h (mtinfo_init): Drop declaration.
* net.cc (last_used_bindresvport): Move from DLL shared area to
cygwin_shared shared memory.
(cygwin_bindresvport_sa): Accommodate above change.
* sec_helper.cc (_everyone_sd): Move here from flock.cc.
* security.h (SD_MIN_SIZE): Ditto.
(everyone_sd): Ditto.
* shared.cc (cygwin_shared_area): Remove.
(cygwin_shared_h): New handle.
(get_shared_parent_dir): New static function.
(shared_name): Drop session_local argument. Call get_shared_parent_dir
here. Add cygwin-shared subdir to object name.
(offsets): Reinstantiate SH_CYGWIN_SHARED member.
(open_shared): Revert change from 2007-03-29 for systems supporting
SeCreateGlobalPrivilege.
(shared_info::initialize): Call mtinfo's initialize here.
(memory_init): Drop call to mtinfo_init.
* shared_info.h (SHARED_INFO_CB): Accommodate change to shared_info.
(CURR_SHARED_MAGIC): Ditto.
(class shared_info): Add members for global socket and tape info
sharing.
(enum shared_locations): Reinstantiate SH_CYGWIN_SHARED.
(get_shared_parent_dir): Declare.
(shared_name): Drop session_local argument from declaration.
* wsa_event.h: New file. Move definitions of NUM_SOCKS and
struct wsa_event here.
* Makefile.in (sysconfdir): Define.
(install): Create $(sysconfdir)/postinstall dir. Install postinstall
script into it.
* path.cc: Add temorary comments to note later function removal.
(conv_fstab_spaces): New inline function to handle \040 to space
conversion.
(struct opt): Add "system" and "user" mount options.
(mount_info::from_fstab_line): Only allow # to start a comment at
the beginning of the line. Call conv_fstab_spaces on native_path and
posix_path fields. Don't enforce system mounts in /etc/fstab.
Drop last argument in call to add_item.
(mount_info::from_fstab): Create a default cygdrive entry. Load
user mount points from fstab.<username> instead of fstab.<sid>.
(mount_info::read_mounts): Drop last argument in call to add_item.
(mount_info::add_reg_mount): Remove.
(mount_info::del_reg_mount): Remove.
(mount_info::write_cygdrive_info): Rename from
mount_info::write_cygdrive_info_to_registry. Don't write to registry.
Disallow to overwrite a system cygdrive prefix.
(mount_info::remove_cygdrive_info_from_registry): Remove.
(mount_info::get_cygdrive_info): Just fetch current cygdrive prefix and
flags.
(mount_info::add_item): Drop last argument. Don't write to registry.
Disallow to overwrite a system mount point.
(mount_info::del_item): Drop last argument. Don't write to registry.
Disallow to remove a system mount point.
(mount): Enforce user mount.
(cygwin_umount): Ditto.
* shared_info.h (mount_info::add_item): Drop last argument.
(mount_info::del_item): Ditto.
(mount_info::add_reg_mount): Remove.
(mount_info::del_reg_mount): Remove.
(mount_info::write_cygdrive_info): Rename from
mount_info::write_cygdrive_info_to_registry.
(mount_info::remove_cygdrive_info_from_registry): Remove.
fstab files. Fallback to registry if none exists.
(skip_ws): New inline function.
(find_ws): Ditto.
(struct opt): New structure for mount options.
(read_flags): New static function to convert a mount flags string into
a flag value.
(mount_info::from_fstab_line): New method to create a mount table
entry from a fstab line.
(mount_info::from_fstab): New method to read fstab file.
* shared_info.h (mount_info::from_fstab_line): Declare.
(mount_info::from_fstab): Declare.
get_initial, and fixup_after_exec declarations.
Convert win32 to UNICODE_STRING.
(cwdstuff::get_drive): Convert win32 path in current codepage.
(cwdstuff::set): Take native NT path.
* ntdll.h (struct _TEB): Typedef.
* path.cc (mount_info::conv_to_posix_path): Add variant taking
wide char DOS paths.
(symlink_info::posixify): Simplify concatenating cwd and relative path.
(hash_path_name): Drop special relative path handling.
(chdir): Drop special "drive only" handling. Call cwdstuff::set with
native path.
(cwdstuff::get_hash): Remove.
(windows_system_directory): Remove.
(_upp): Remove.
(get_user_proc_parms): Make inline. Get PEB pointer by calling
NtCurrentTeb.
(cwdstuff::init): Simplify.
(cwdstuff::set): Rework to handle incoming native NT path. Workaround
a Vista problem with CWD handle in the user process parameter block.
(cwdstuff::get): Simplify locking. Accommodate type change of win32.
* shared_info.h (mount_info): Add declaration for new conv_to_posix_path
method.
* strfuncs.cc (sys_wcstombs): Return correct length of created
multi-byte string.
* delqueue.cc: Delete.
* fhandler.h (fhandler_base::close_fs): Drop declaration.
(fhandler_disk_file::close): Drop declaration.
* fhandler_disk_file.cc (fhandler_base::fstat_fs): Call close instead of
close_fs.
(fhandler_base::fstat_helper): Use open FH_UNIX handle in call to
get_file_attribute.
(fhandler_base::open_fs): Call close instead of get_file_attribute.
(fhandler_disk_file::close): Remove.
(fhandler_base::close_fs): Remove.
* fhandler_socket.cc (fhandler_socket::close): Just call
fhandler_base::close for FH_UNIX sockets.
* shared.cc (user_shared_initialize): Drop call to
user_shared->delqueue.init.
* shared_info.h (CURR_USER_MAGIC): Change according to below change.
(MAX_DELQUEUES_PENDING): Remove.
(class delqueue_list): Remove.
(class user_info): Remove delqueue.
* syscalls.cc (close_all_files): Drop call to
user_shared->delqueue.process_queue.
(unlink): Drop delqueue handling.
readdir_get_ino.
* fhandler.h (fhandler_disk_file::readdir_helper): Switch file name
parameter to PUNICODE_STRING.
* fhandler_disk_file.cc: Drop including ntdef.h.
(class __DIR_mounts): Store mount points in UNICODE. Additionally
store cygdrive prefix in unicode here. Change methods accordingly.
(__DIR_mounts::eval_ino): Call new stat_worker instead of lstat64.
(__DIR_mounts::~__DIR_mounts): New destructor to free UNICODE buffers.
(path_conv::ndisk_links): Rewrite using native NT functions.
(fhandler_base::fstat_by_handle): Use NAME_MAX instead of CYG_MAX_PATH.
Always set pfvi->VolumeSerialNumber to non-0. Remove last resort
code.
(fhandler_base::fstat_by_name): Rewrite using native NT functions.
(fhandler_base::fstat_fs): Always call fstat_by_name if fstat_by_handle
fails.
(fhandler_base::fstat_helper): Rely on dwVolumeSerialNumber.
(fhandler_disk_file::facl): Call fstat_by_name if fstat_by_handle fails.
(DIR_BUF_SIZE): Define using NAME_MAX instead of CYG_MAX_PATH.
(__DIR_cache): Remove __name.
(d_dirname): Remove.
(fhandler_disk_file::opendir): Drop pathname length check.
Remove outdated comment. Use get_name method instead of accessing
pc.normalized_path directly.
(readdir_get_ino): Drop unused dir parameter. Accomodate throughout.
Allocate fname dynamically. Call new stat_worker instead of lstat64.
Call NtOpenFile instead of CreateFile. Call NtClose instead of
CloseHandle.
(fhandler_disk_file::readdir_helper): Use native NT functions.
Check for volume mount points and use correct inode number.
(fhandler_disk_file::readdir): Simplify slightly.
Use get_name instead of pc.normalized_path.
(fhandler_disk_file::rewinddir): Use RtlInitUnicodeString.
(fhandler_cygdrive::fstat): Ignore floppy drives. Set st_nlink
correctly.
(fhandler_cygdrive::readdir): Ignore floppy drives.
* fhandler_netdrive.cc (fhandler_netdrive::readdir): Accommodate
change to readdir_get_ino.
* fhandler_proc.cc (PROC_DIR_COUNT): Define.
(fhandler_proc::fstat): Evaluate correct link count for /proc.
* ntdll.h (struct _FILE_DIRECTORY_INFORMATION): Define.
(NtFsControlFile): Declare.
(RtlAppendUnicodeToString): Declare.
(RtlAppendUnicodeStringToString): Declare.
(RtlCompareUnicodeString): Declare.
(RtlCopyUnicodeString): Declare.
(RtlCreateUnicodeStringFromAsciiz): Declare.
(RtlEqualUnicodeString): Declare.
(RtlFreeUnicodeString): Declare.
(RtlInitEmptyUnicodeString): Declare.
(RtlSecondsSince1970ToTime): Declare.
(RtlInitEmptyUnicodeString): Define as inline function.
(RtlInitCountedUnicodeString): Define as inline function.
* path.cc (path_conv::check): New method with PUNICODE_STRING as path,
preliminary implementation.
(mount_info::get_mounts_here): Change to create UNICODE_STRINGs.
Also copy cygpath prefix into UNICODE_STRING.
(is_floppy): Drop 9x consideration.
* path.h: Drop including ntdef.h.
(path_conv::check): Add declaration.
(path_conv::path_conv): Add constructor for UNICODE_STRING paths.
* shared_info.h (mount_info::get_mounts_here): Change declaration.
* syscalls.cc: Drop forward declaration of stat_worker.
(stat_worke): Take path_conv as parameter. Drop nofollow flag.
(stat64): Create matching path_conv and call stat_worker with it.
(lstat64): Ditto.
* winsup.h: Include ntdef.h.
(stat_worker): Declare.
(readdir_get_ino): Change declaration.
(CURR_SHARED_MAGIC): Ditto.
(class shared_info): Add heap_slop_inited member.
* shared.cc (shared_info::heap_slop_size): Use heap_slop_inited to
track initializing heap_slop since 0 is a valid value for heap_slop.
Drop useless < 0 consideration.
(child_info_spawn::__stdin): Ditto.
(CURR_CHILD_INFO_MAGIC): Regenerate.
* dcrt0.cc (check_sanity_and_sync): Minor cleanup.
(child_info_spawn::handle_spawn): Handle new __std* elements by calling
move_fd.
* dtable.cc (dtable::move_fd): Define new function.
* dtable.h (dtable::move_fd): Declare new function.
* fhandler.h (fhandler_pipe::popen_pid): Declare new element.
* fhandler.h (fhandler_pipe::get_popen_pid): Define new function.
* fhandler.h (fhandler_pipe::set_popen_pid): Ditto.
* pipe.cc (fhandler_pipe::fhandler_pipe): Zero popen_pid.
(fhandler_pipe::dup): Ditto.
* spawn.cc (handle): Change second argument to bool.
(spawn_guts): Accept __stdin/__stdout arguments and set them appropriately in
child_info structure and in STARTUPINFO structure.
* syscalls.cc (popen): New cygwin-specific implementation using spawn.
(pclose): Ditto.
* winsup.h (spawn_guts): Accommodate new arguments for spawn_guts.
* fhandler.cc (fhandler_base::set_no_inheritance): Make second arg a bool.
* fhandler.h (fhandler_base::set_no_inheritance): Ditto for declaration.
* child_info.h (child_info::msv_count): Rename from the now-inappropriate
"zero".
(child_info_spawn::filler): Add filler to work around Vista bug.
(child_info_fork::filler): Ditto.
* dcrt0.cc (get_cygwin_startup_info): Remove "zero" check since it is now
always filled out.
* fork.cc (frok::parent): Move ch.zero manipulation to constructor.
* spawn.cc (spawn_guts): Ditto. Remove _ch wrapper.
* sigproc.cc (child_info::child_info): Initialize starter[].
* shared.cc (shared_info::heap_slop_size): Remove noisy system_printfs.
* shared_info.h (CURR_SHARED_MAGIC): Regenerate.
* fhandler_tape.cc (mt): Define as DLL shared area in
.cygwin_dll_common instead of as dynamically allocated area.
Change referencing throughout.
* mtinfo.h (mt_h): Remove entirely.
(mt): Remove extern declaration.
* shared.cc (cygwin_shared_area): New global cygwin_shared
variable located in .cygwin_dll_common.
(offsets): Define shared region addresses descending from
cygwin_shared_address.
(open_shared): Replace usage of SH_CYGWIN_SHARED by SH_USER_SHARED.
(memory_init): Set cygwin_shared just by pointing to cygwin_shared_area.
* shared_info.h (shared_locations): Remove SH_CYGWIN_SHARED and
SH_MTINFO.
(cygwin_shared_address): Define as DLL start address.
* tty.h (tty_min::tty_min): Remove constructor.
* fhandler.h (fhandler_base::fixup_after_exec): Make non-inline.
(fhandler_termios::fixup_after_fork): Delete declaration.
(fhandler_termios::fixup_after_exec): Ditto.
(fhandler_tty_common::inuse): Remove.
(fhandler_tty_common::dup): Delete declaration.
(fhandler_tty_common::fixup_after_fork): Ditto.
(fhandler_tty_slave::fixup_after_exec): Declare new function.
(fhandler_pty_master::dwProcessId): New variable.
(fhandler_pty_master::from_master): Ditto.
(fhandler_pty_master::to_master): Ditto.
(fhandler_pty_master::setup): New function.
(fhandler_pty_master::fixup_after_fork): Ditto.
(fhandler_pty_master::fixup_after_exec): Ditto.
* fhandler_termios.cc (fhandler_termios::fixup_after_exec): Delete definition.
(fhandler_termios::fixup_after_fork): Ditto.
* fhandler_tty.cc (fhandler_tty_master::init): Use fhandler_pty_master setup
function rather than obsolete tty::common_init. Delete obsolete inuse setting.
(fhandler_tty_slave::fhandler_tty_slave): Set inuse to NULL here.
(fhandler_tty_slave::open): Change debugging output for clarity. Check for
different things when doing a sanity check on the tty. Reflect the fact that
master_pid now is the cygwin pid rather than the windows pid. Use "arch"
rather than "archetype" for consistency.
(fhandler_tty_slave::close): Close inuse here.
(fhandler_tty_slave::dup): Remove old if 0'ed code.
(fhandler_pty_master::dup): New function. Handles pty master archetype.
(fhandler_pty_master::fhandler_pty_master): Zero pty_master specific fields.
(fhandler_pty_master::open): Implement using archetypes, similar to slave. Use
fhandler_pty_master setup function rather than obsolete tty::common_init.
Don't set inuse.
(fhandler_tty_common::close): Don't deal with inuse. Delete old if 0'ed code.
(fhandler_pty_master::close): Implement using archetypes. Close from_master
and to_master.
(fhandler_tty_common::set_close_on_exec): Just set close_on_exec flag here
since everything uses archetypes now.
(fhandler_tty_common::fixup_after_fork): Delete definition.
(fhandler_tty_slave::fixup_after_exec): Define new function.
(fhandler_pty_master::setup): New function, derived from tty::common_init.
(fhandler_pty_master::fixup_after_fork): New function.
(shared_info.h): Reset SHARED_INFO_CB to reflect new tty size.
* tty.cc (tty_list::terminate): Close individual handles from tty_master.
(tty::master_alive): Delete.
(tty::make_pipes): Ditto.
(tty::common_init): Ditto.
* tty.h (tty::from_slave): Delete.
(tty::to_slave): Ditto.
(tty::common_init): Delete declaration.
(tty::make_pipes): Ditto.
(tty::master_pid): Define as pid_t since it is now a cygwin pid.
__d_internal.
* fhandler_disk_file.cc (struct __DIR_cache): Remove useless "typedef".
(d_dirname): Remove useless "struct".
(d_cachepos): Ditto.
(d_cache): Ditto.
(class __DIR_mounts): New class, implementing mount point tracking
for readdir.
(d_mounts): New macro for easy access to __DIR_mounts structure.
(fhandler_disk_file::opendir): Allocate __DIR_mounts structure and
let __d_internal element of dir point to it.
(fhandler_disk_file::readdir_helper): Add mount points in the current
directory, which don't have a real directory backing them.
Don't generate an inode number for /dev. Add comment, why.
(fhandler_disk_file::readdir): Move filling fname to an earlier point.
Check if current entry is a mount point and evaluate correct inode
number for it.
(fhandler_disk_file::readdir_9x): Ditto.
(fhandler_disk_file::rewinddir): Set all mount points in this directory
to "not found" so that they are listed again after calling rewinddir().
(fhandler_disk_file::closedir): Deallocate __DIR_mounts structure.
* path.cc (mount_info::get_mounts_here): New method to evaluate a list
of mount points in a given parent directory.
* shared_info.h (class mount_info): Declare get_mounts_here.
intact throughout.
(normalize_win32_path): Revert to only checking for slash.
(realpath): Convert drive letters to cygdrive paths before
doing anything else.
* shared_info.h (mount_info::cygdrive_posix_path): Make public.
collision with large data areas.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Accommodate changes to
open_shared arguments.
* fhandler_tape.cc (mtinfo_init): Ditto.
* pinfo.cc (pinfo::init): Use open_shared rather than win32 mmap calls.
* shared.cc (user_shared_initialize): Ditto.
(memory_init): Ditto.
(open_shared): Change to allow use a smore general mmap handler.
* shared_info.h (shared_locations): Add SH_JUSTCREATE, SH_JUSTOPEN.
(open_shared): Change declaration to match new usage.
* autoload.cc (LoadDLLfuncEx2): Define in terms of LoadDLLfuncEx3.
(LoadDLLfuncEx3): New macro.
* 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.
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.
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.
(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.
* shared_info.h: Update CURR_USER_MAGIC, CURR_SHARED_MAGIC and
SHARED_INFO_CB.
(mount_info::cb): Delete.
(mount_info::version): Delete.
(shared_info::delqueue): Delete.
* Makefile.in: Do magic for USER_MAGIC, class user_info, instead
of for mount_info.
* sigproc.cc (sigpacket): New structure.
(sig_send): Fill out sigpacket structure to send to signal thread rather than
racily sending separate packets.
(wait_sig): Use sigpacket structure to receive info from signal sender.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes
fhandler.h throughout. Remove device argument and unit arguments from fhandler
constructors throughout. Remove pc arguments to fhandler functions and use
internal pc element instead, throughout. Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class. Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices. Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move
out of dtable class. Don't accept a path_conv argument. Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class.
Simplify arguments to just take new 'device' type and a name. Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element. Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access. Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe. Change arguments to accept
fhandler_pipe array. Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately. Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument. Call build_fh_name to construct
fhandler. Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access. Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here. Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
* cygheap.h (cygheap_user::init): New declaration.
* uinfo.cc (cygheap_user::init): New.
(internal_getlogin): Move functionality to cygheap_user::init. Open the
process token to update the group sid.
* shared.cc (user_shared_initialize): Get the user information from
cygheap->user.
(shared_info::initialize): Remove argument. Call cygheap->user.init instead of
cygheap->user.set_name.
(memory_init): Do not get the user name and do not pass it to
shared_info::initialize.
* registry.cc (get_registry_hive_path): Make csid a cygpsid.
(load_registry_hive): Ditto.
* shared_info.h: Include security.h.
(open_shared): Add psa argument.
(user_shared_initialize): New declaration.
* security.h: Add _SECURITY_H guard.
(sec_user): Use sec_none in the no ntsec case.
* spawn.cc (spawn_guts): Remove call to load_registry_hive.
* syscalls (seteuid32): If warranted, call load_registry_hive,
user_shared_initialize and RegCloseKey(HKEY_CURRENT_USER).
* shared.cc (user_shared_initialize): New.
(open_shared): Add and use psa argument.
(memory_init): Move mount table initialization to
user_shared_initialize. Call it.
become unmasked.
* sigproc.cc (pending_signals): Flip back to a global.
(wait_sig): Don't set pending signals when there is an armed semaphore or
signal is blocked.
* shared.cc (shared_info::initialize): Add a username parameter for user-mode
mounts. Reorganize to try to avoid startup race.
(memory_init): Move some stuff into shared_info::initialize.
* shared_info.h (shared_info::initialize): Change declaration.
(CURR_SHARED_MAGIC): Update.
* path.cc (path_conv::check): Set exec state based on known situations.
* path.cc (mount_item::fnmunge): New function.
(mount_item::build_win32): New function.
(mount_info::conv_to_win32_path): Use build_win32 to build windows path.
* path.h (mount_item::fnmunge): Declare new function.
(mount_item::build_win32): Ditto.
* sys/mount.h (MOUNT_ENC): Define.
(init_cheap): Ditto for declaration.
* fork.cc (fork_parent): Use user_heap element in cygheap.
* heap.h (inheap): Ditto.
* heap.cc (sbrk): Ditto.
(heap_init): Ditto. Reorganize to shrink heap chunk as required and record new
value in cygheap.
* dcrt0.cc (dll_crt0_1): More "move the cygthread init" games.
* shared.cc (open_shared): Rework memory protection to properly deal with
relocated shared segment.
(shared_info::heap_chunk_size): Rename element to 'heap_chunk'.
* shared_info.h (shared_info): Ditto for declaration.
* strace.cc (strace::hello): Report on heap chunk size from cygheap since it
may shrink.
* shared.cc (shared_info::heap_chunk_size): Store info as megabytes. Search
HKEY_LOCAL_MACHINE as well as HKEY_CURRENT_USER.
* shared_info.h (shared_info::initial_heap_size): Change element name to
reflect new functionality.
* strace.cc (strace::hello): Report on initial heap size.
(child_info_fork::mount_table): Remove.
(child_info_fork::myself_addr): Remove.
* fork.cc (fork_child): Don't set either of the above.
* dcrt0.cc (dll_crt0_1): Call memory_init as early as possible.
* fhandler_console.cc (console_state): Move to shared_info.h.
(fhandler_console::get_tty_stuff): Reflect open_shared arg change.
* pinfo.cc (myself_addr): Remove definition.
(pinfo::init): Get myself address from open_shared.
* pinfo.h (myself_addr): Remove declaration.
* shared.cc (open_shared): Rework so that known shared memory locations are
protected. Take shared memory type as fifth argument.
(memory_init): Reflect open_shared arg change.
* shared_info.h (shared_locations): New enum.
(console_state): Move here.
(open_shared): Reflect open_shared arg change in declaration.
(child_info_fork::heaptop): Remove obsolete element.
(child_info_fork::heabbase): Ditto.
(child_info_fork::heapptr): Ditto.
(child_info_fork::mount_table): New element.
(child_info_fork::myself_addr): Ditto.
* dcrt0.cc (dll_crt0_1): Set mount_table and myself_addr when forking.
(initial_env): Add newline to "sleeping" message.
* dll_init.cc (reserve_upto): Accommodate cygwin heap when freeing memory.
Make debugging output a little more descriptive.
* fork.cc (fork_parent): Save mount_table and myself_addr.
* pinfo.cc (myself_addr): New variable.
(set_myself): Pass PID_MYSELF flag to init.
(pinfo::Init): Honor PID_MYSELF. Save address where myself shared memory
resides in myself_addr, for fork.
* pinfo.h (myself_addr): Declare.
* shared.cc (memory_init): On fork, use previously saved address for location
of mount table.
* include/sys/cygwin.h (PID_MYSELF): New value.
* dtable.cc (dtable::stdio_init): Don't pass access type to
init_std_file_from_handle. It's always the same.
(dtable::init_std_file_from_handle): Remove access type argument. Assume
read/write.
* dtable.h (dtable::init_std_file_from_handle): Ditto for declaration.
* exceptions.cc (try_to_debug): Don't try to debug if already being debugged.
* fhandler_console.cc (shared_console_info_save): New variable.
(fhandler_console::get_tty_stuff): Save address of shared console stuff for
fork.
Initialize thread_sync event here which is used to Suspend using an event
rather than relying on SuspendThread/ResumeThread.
(cygthread::init): Save handle to runner thread for future termination.
(cygthread::cygthread): Only resume thread when it is actually suspended.
Otherwise signal thread completion event.
(cygthread::terminate): Forcibly terminate runner thread and any helper
threads. Call DisableThreadLibrary calls if execing.
* cygthread.h (cygthread::thread_sync): Declare.
* dcrt0.cc (do_exit): Eliminate calls to obsolete window_terminate and
shared_terminate.
* exceptions.cc (events_terminate): Don't bother closing title_mutex since it
is going away anyway.
* pinfo.cc (_pinfo::exit): Call cygthread::terminate to ensure that threads are
shut down before process exit or otherwise strange races seem to occur.
* shared.cc (shared_terminate): Eliminate.
* shared.h (shared_terminate): Eliminate declaration.
* winsup.h (window_terminate): Eliminate declaration.
* spawn.cc (spawn_guts): Call cygthread::terminate early in process if execing.
Call DisableThreadLibrary calls if execing.
* window.cc (Winmain): Call ExitThread to force exit.
(window_terminate): Eliminate.
* dcrt0.cc (do_exit): Track exit state more closely.
(CURR_CHILD_INFO_MAGIC): Update.
(child_info::magic): Make 'long'.
* cygheap.h: Export _cygheap_start.
* cygheap.cc: Don't declare _cygheap_start.
* cygmagic: Use cksum to produce checksums. Append 'U' to end of checksum.
* dcrt0.cc (initial_env): Calculate sleep ms before reusing buffer.
(_dll_crt0): Detect cygheap mismatch as indicative of different cygwin version.
Set child_proc_info to NULL when _PROC_WHOOPS.
(multiple_cygwin_problem): If child_info specific problem, then set
child_proc_info type to _PROC_WHOOPS.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(CURR_SHARED_MAGIC): Ditto.
Christopher Faylor
Corinna Vinschen
Pierre Humblet
Robert Collins