logs easier. Throughout, change /dev/tty* to /dev/pty*. Throughout, add flags
argument to fhandler_*::dup methods.
* devices.in: Rename (temporarily?) /dev/ttyN to /dev/ptyN. Add /dev/ptymN
devices for pty masters.
* devices.cc: Regenerate.
* devices.h (MAX_CONSOLES): Set to max number supported by devices.in.
(fh_devices::FH_PTMX): Rename from FH_PTYM.
(device::operator int): Return by reference.
* dtable.cc (fh_alloc): Take pc as an argument rather than just the device.
This makes debugging easier since more information is available. Actually
implement handling for already-allocated pty master devices. Make different
decisions when generating fhandler for not-opened devices. Add kludge to deal
with opening /dev/tty.
(cnew_no_ctor): New macro.
(build_fh_pc): Make debugging output more verbose. Use new clone() fhandler
interface to duplicate archetypes. Reset last term opened.
(dtable::dup_worker): Use Use new clone() fhandler interface to duplicate
archetypes. Pass flags to child dup handler.
(dtable::dup3): Set O_NOCTTY flag if newfd is not stdin/stdout/stderr.
* fhandler.cc (fhandler_base::reset): Rename from operator =() and reduce
functionality and sense of copy direction.
(fhandler_base::open_with_arch): Use published interface to query io_handle().
Use new copyto() fhandler method to copy from/to found archetype.
* fhandler.h: Throughout, delete size(), add copyout, clone, and fhandler_*
(void *) methods.
(fhandler_base::reset): Rename from operator =().
(fhandler_termios::is_dev_tty): Delete.
(fhandler_termios): change "protected" region to "private".
(fhandler_termios::is_dev_tty): Delete.
(fhandler_termios): Rearrange protected/public.
(fhandler_termios::fhandler_termios): Remember last fhandler_termios "opened".
(fhandler_termios::~fhandler_termios): Forget last fhandler_termios opened.
(ioctl): Rename from ioctl_termios. Take a void * argument. Reflect argument
change in pinfo::set_ctty.
(fhandler_console::dup): Declare new function. Set ctty here if appropriate.
(fhandler_pty_master::from_master): Privatize.
(fhandler_pty_master::to_master): Ditto.
(fhandler_pty_master::dwProcessId): Ditto.
(fhandler_pty_master::fhandler_pty_master): Add an `int' argument.
(fhandler_pty_master::open_setup): Declare new function.
(fhandler_pty_master::~fhandler_pty_master): Declare new method.
(fhandler_nodevice): Remove commented out function declaration.
* fhandler_console.cc: Use get_ttyp() instead of tc() throughout.
(fhandler_console::dup): Define new function to set controlling ctty on dup, as
appropriate.
(fhandler_console::ioctl): Reflect ioctl_termios name change.
(fhandler_console::setup): Rename from get_tty_stuff.
(fhandler_console::open_setup): Reflect argument change in pinfo::set_ctty.
(fhandler_console::fhandler_console): Set _tc here.
* fhandler_termios.cc (handler_termios::ioctl): Rename. Take a void * arg like
other ioctl functions.
* fhandler_tty.cc (fhandler_pty_slave::dup): Call myself->set_ctty to
potentially reset the controlling terminal.
(fhandler_pty_slave::ioctl): Reflect name/arg change for ioctl_termios.
(fhandler_pty_slave::fhandler_pty_slave): Take a "unit" argument. Call setup()
here so that we will know the unit number of this fhandler as soon as possible.
Set the unit as appropriate.
(handler_pty_master::open): Move most stuff to constructor and open_setup.
(handler_pty_slave::open_setup): Reflect argument change in pinfo::set_ctty.
(handler_pty_master::open_setup): Define new function.
(fhandler_pty_master::cleanup): Clear handles as a flag that the destructor
does not have to do "close" operations.
(fhandler_pty_master::close): Ditto.
(fhandler_pty_master::~fhandler_pty_master): Define new method.
(fhandler_pty_master::ioctl): Reflect name/arg change for ioctl_termios.
(fhandler_pty_master::setup): Allocate tty here. Rely on handles being
returned from allocated test rather than opening them here. Avoid setting
_need_nl here since it is already zeroed in the constructor. Set up device
information with DEV_TTYM_MAJOR.
* path.h (path_conv &operator =): Take a const argument.
(path_conv::dup): Ditto.
(pathconv_arg::PC_OPEN): New enum.
(pathconv_arg::PC_CTTY): Ditto.
(path_types::PATH_CTTY): Ditto.
(path_types::PATH_OPEN): Ditto.
(path_conv::isopen): New method.
(path_conv::isctty_capable): Ditto.
* path.cc (path_conv::check): Set PATH_OPEN and PATH_CTTY as appropriate.
* pipe.cc (fhandler_pipe::open): Use copyto to copy pipe handle.
* syscall.cc (open): Reinstate fd > 2 check to disallow resetting ctty on
non-std* handles.
* tty.cc (tty_list::allocate): Pass out handles for allocated tty. use
`not_allocated' to find unallocated ttys. Avoid keeping the lock since the
allocation of the tty should be sufficient to prevent multiple access.
(tty::not_allocated): Clarify comment. Rename. Return handles when an unused
tty is found. Simply test for existing tty.
(tty::exists): Rewrite to use `not_allocated'.
* tty.h (NTTYS): Reset down to actual number supported by devices.in.
(tty::not_allocated): Declare new function.
(tty_list::allocate): Pass out read/write tty handles. Zero them when not
found.
* fhandler_proc.cc: Reflect name change from FH_PTYM -> FH_PTMX.
* pinfo.h (pinfo::set_ctty): Reduce/reorder arguments passed in.
* pinfo.cc (pinfo::set_ctty): Ditto. Just use tc() built into the passed-in
fhandler_termios pointer. Return true if ctty is assigned.
* syscalls.cc (open): Call build_fh_pc with PC_OPEN flag. Set PC_CTTY if
appropriate.
(stat_worker): Remove is_dev_tty () stuff.
* dtable.cc (fh_alloc): Revert ill-advised setting of major/minor. Use new
is_dev_tty to remember that this device was opened as /dev/tty.
* fhandler.cc (fhandler_base::fstat): Remove leftover debugging statement.
(fhandler_base::tcgetsid): New function.
* fhandler.h ((fhandler_base::tcgetsid): Declare new function.
(fhandler_base::is_dev_tty): Ditto.
(fhandler_termios::opened_as_dev_tty): Declare new field.
(fhandler_termios::is_dev_tty): Declare new function.
(fhandler_termios::tcgetsid): Ditto.
(fhandler_pty_common::use_archetype): Move here from subclass.
(fhandler_pty_slave::use_archetype): Move up.
(fhandler_pty_master::use_archetype): Ditto.
* fhandler_console.cc (fhandler_console::ioctl): Rename second argument from
`buf' to `arg' for consistency. Call ioctl_termios for common fhandler_termios
ioctl handling.
* fhandler_tty.cc (fhandler_pty_slave::ioctl): Call ioctl_termios for common
fhandler_termios ioctl handling.
(fhandler_pty_master::ioctl): Ditto.
* fhandler_termios.cc (fhandler_termios::tcgetsid): Implement new function.
(fhandler_termios::ioctl_termios): Ditto. Implements TIOCSCTTY handling.
* syscalls.cc (stat_worker): Set /dev/tty device info when appropriate.
* termios.cc (tcgetpgrp): Avoid extraneous "isatty" check.
(tcgetsid): Implement new function.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 253.
* include/sys/termios.h (TIOCSCTTY): Define.
* child_info.h: Redefine CURR_CHILD_INFO_MAGIC.
(child_info_fork::abort): Rename from handle_failure. Change arguments.
* cygtls.h (_local_storage::ttybuf): New field.
* dcrt0.cc (vapi_fatal): Split api_fatal. Add "in forked process" to message
when appropriate.
(api_fatal): Use vapi_fatal.
* devices.h: Make multiple inclusion safe.
(fh_devices): Add FH_CONS* stuff. Reorder slightly.
(device): Eliminate anonymous union. Add more ways to access minor/major.
(device::setunit): Accommodate no-longer-anonymous union.
(device::is_fs): Ditto.
(device::is_fs_special): Ditto.
(device::major): New function.
(device::minor): Ditto.
(device::is_device): New function.
(device::not_device): Ditto.
(device::operator int): New operator.
(device::operator fh_devices): Ditto.
(device::operator bool): Ditto.
(device::operator DWORD): Ditto.
(device::operator =): Ditto.
(isproc_dev): New function.
(isprocsys_dev): Ditto.
(iscons_dev): Ditto.
(istty_slave_dev): Ditto.
* devices.in: Add new "/dev/cons*" strings. Accommodate no-longer-anonymous
union throughout.
(BRACK): Use more precise method for initialization.
* devices.cc: Regenerate.
* dtable.cc (dtable::stdio_init): Use get_cttyp instead of get_tty.
(dtable::find_archetype): Use new DWORD operator in device to test archetypes.
(dtable::init_std_file_from_handle): Use different method to initialize 'dev'.
Adapt to different ctty handling and accommodate /dev/cons*.
(fh_alloc): Accommodate no-longer-anonymous union. Adapt to new /dev/cons*.
(build_fh_pc): Make debugging output more useful.
* exceptions.cc (ctrl_c_handler): Use get_cttyp instead of get_tty.
* external.cc (fillout_pinfo): Accommodate new cons* stuff.
* fhandler.cc (fhandler_base::read): Eliminate is_slow() test.
* fhandler.h (fhandler_base::*): Adapt to changes in device.h.
(fhandler_*::is_slow): Delete.
( fhandler_proc::get_proc_fhandler): Return fh_devices type.
* fhandler_console.cc (open_shared_console): New function.
(console_unit): New class.
(console_unit::console_unit): New constructor.
(enum_windows): New function. Declare as friend to console_unit.
(fhandler_console::set_unit): New function.
(fhandler_console::get_tty_stuff): Call set_unit to set the unit number and
determine if initialization is needed. Eliminate flags parameter.
(tty_list::get_cttyp): Rename (sorta) from get_tty. Return pointer to correct
tty_min.
(fhandler_console::open): Adapt to elimination of argument to get_tty_stuff.
(fhandler_console::output_tcsetattr): Properly detect error condition.
(fhandler_console::fixup_after_fork_exec): Adapt to get_tty_stuff() setting tc
automatically.
* fhandler_proc.cc: Use FH_BAD rather than 0 throughout where using fh_devices
enum.
(fhandler_proc::get_proc_fhandler): Return fh_devices. Adapt to devices.h
changes.
* fhandler_process.cc: Adapt to devices.h changes. Use FH_BAD rather than 0
throughout where using fh_devices enum.
* fhandler_procnet.cc: Ditto.
* fhandler_procsys.cc: Ditto.
* fhandler_procsysvipc.cc: Ditto.
* fhandler_tape.cc (fhandler_dev_tape::fhandler_dev_tape): Ditto.
* fhandler_termios.cc (handler_termios::bg_check): Use tc->ttyname() rather
than assuming that we can construct a tty.
* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Just return
get_minor() of dev.
(fhandler_pty_master::process_slave_output): Add slightly more debugging info.
(fhandler_tty_slave::fhandler_tty_slave): Change name from ntty to unit.
(fhandler_pty_master::open): Ditto.
(fhandler_tty_slave::ioctl): Adapt to change which causes ctty to represent a
complete device.
(fhandler_tty_master::init_console): Add debugging for failure path.
(fhandler_pty_master::setup): Use get_unit() to retrieve unit number rather
than relying on raw ntty.
(fhandler_pty_master::setup): Ditto.
* fhandler_virtual.h (virt_tab_t): Redefine fhandler as fh_devices.
* fork.cc: Remove obsolete vfork stuff.
(frok::child): Don't assume that a ctty == 0 is valid.
* mount.cc (mount_info::conv_to_win32_path): Adapt to device struct changes.
(mount_info::conv_to_win32_path): Ditto.
* path.cc (path_conv::check): Retrive major/minor numbers via a method rather
than accessing them directly from device. Rely on dev operators to
set/retrieve device information as required by device struct change.
* path.h (isproc_dev): Move to devices.h.
(isprocsys_dev): Ditto.
(isvirtual_dev): Ditto.
(path_conv:{isdevice,isfifo,isspecial,iscygdrive,issocket,get_devn,get_unitn}):
Use device methods to access/manipulate devices.
* pinfo.cc (pinfo::exit): Don't assume that ctty == 0 is valid. Use iscons_dev
to determine if a device is a console.
(_pinfo::_ctty): Use device::parse to generate tty/cons name.
(_pinfo::set_ctty): Don't assume that ctty == 0 is valid. Remove redundant
info from debugging.
* shared.cc (offsets): Remove console offset.
* shared_info.h (shared_locations): Ditto.
* syscalls.cc (umask): Use device methods to manipulate device information.
(ctermid): Use device::parse to generate term device name.
* tlsoffsets.h: Regenerate.
* tty.cc (ttyslot): Return minor number of ctty since ctty now represents a
full device.
(tty::create_master): Set ctty to a complete device.
(tty_list::attach): Rework to detect new /dev/cons* stuff.
(tty_list::terminate): Adapt to changes to ctty.
(tty_list::init): Adapt to change to setntty - pass in device major number.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Define new function.
* tty.h (tty_min::ntty): Redefine as fh_devices.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Declare new function.
(tty::getntty): Declare as const.
(tty_list::operator []): Assure that only minor part of argument is used.
* dll_init.cc (dll_list::alloc): Detect mismatch of data segments early issuing
an explicit error message if necessary.
* heap.cc (heap_init): Adapt to changes from fork->handle_failure to
fork->abort.
* pinfo.h (EXITCODE_FORK_FAILED): New enum. (from Ryan Johnson)
* sigproc.cc (child_info_fork::abort): Rename from handle_failure. Change
arguments to allow passing in a printf-like message.
* winsup.h (api_fatal): Delete macro definition.
(api_fatal): Redefine from __api_fatal.
(vapi_fatal): Declare new function.
* include/sys/strace.h (strace_vprintf): Define new macro.
* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemHandleInformation.
(fhandler_socket::write): Declare.
* fhandler_procsys.cc (fhandler_procsys::read): Add FIXME comment.
(fhandler_procsys::write): Ditto.
* fhandler_socket.cc (fhandler_socket::read): New method.
(fhandler_socket::write): New method.
* syscalls.cc: Rearrange order of read/write functions.
(read): Call fhandler read method directly instead of just readv.
(readv): Remove EINTR loop. This is done in all affected fhandler's
now.
(write): Call fhandler write method directly instead of just writev.
Fix debug output.
* debug.cc (close_handle): Call debugger on failure.
* devices.in (device::tty_to_real_device): Delete.
* devices.h (device::tty_to_real_device): Ditto.
* devices.cc: Regenerate.
* dtable.cc: Delete old ifdef'ed vfork code.
(dtable::release): Don't handle archetype here.
(dtable::init_std_file_from_handle): Consolidate console tests. Generate
major/minor for tty ASAP. Fix incorrect setting of DEV_TTYS* for serial.
(fh_alloc): New function derived from build_fh_pc. Pass current tty when
building tty.
(build_pc_pc): Use fh_alloc to create. Set name from fh->dev if appropriate.
Generate an archetype or point to one here.
(dtable::dup_worker): Deal with archetypes. Rely on = operator copying whole
class rather than just fhandler_base.
(dtable::fixup_after_exec): Call close_with_arch to handle closing of fhandlers
with archetypes.
* fhandler.cc (fhandler_base::operator =): Call memcpy with fhandler's size()
rather than sizeof fhandler_base.
(fhandler_base::open_with_arch): New function. Handles opening of fhandler's
with archetypes, dealing with usecounts, etc.
(fhandler_base::close_with_arch): Ditto for close.
* fhandler.h: Many changes for archetypes.
(fhandler_base::set_name): Set both normalized path and regular path.
(fhandler_base::open_with_arch): New function.
(fhandler_base::open_setup): Ditto.
(fhandler_base::use_archetype): Ditto.
(fhandler_base::_archetype_usecount): Ditto.
(fhandler_*::size): Ditto.
(fhandler_dev_tape::open): Remove virtual decoration.
(fhandler_console::use_archetype): New function. Return true.
(fhandler_console::open_setup): New function.
(fhandler_console::dup): Delete.
(fhandler_tty_slave::fhandler_tty_slave): Redeclare to take an argument.
(fhandler_tty_slave::use_archetype): New function. Return true.
(fhandler_tty_slave::cleanup): New function.
(fhandler_pty_master::use_archetype): New function. Return true.
(fhandler_pty_master::cleanup): New function.
(fhandler_pty_master::is_tty_master): New function. Return false.
(fhandler_tty_master::is_tty_master): New function. Return true.
(fhandler_dev_dsp::fhandler_dev_dsp): New function. Return true.
(report_tty_counts): Only report on archetype's usecount if there is one.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Remove handling of
setsid, set_ctty, set_flags, and manage_console_count.
(fhandler_console::open_setup): New function. Implement functionality removed
from get_tty_stuff.
(fhandler_console::dup): Delete.
(fhandler_console::output_tcsetattr): Set errno on error.
(fhandler_console::fhandler_console): Set device early.
(fhandler_console::init): Use open_with_arch to open console handles.
(fhandler_console::fixup_after_fork_exec): Nuke most of the stuff for dealing
with console handles.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Remove archetype handling.
(fhandler_dev_dsp::write): Ditto.
(fhandler_dev_dsp::read): Ditto.
(fhandler_dev_dsp::close): Ditto.
(fhandler_dev_dsp::dup): Ditto.
(fhandler_dev_dsp::ioctl): Ditto.
(fhandler_dev_dsp::fixup_after_fork): Ditto.
(fhandler_dev_dsp::fixup_after_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Add a little
more debugging.
(fhandler_tty_common::__release_output_mutex): Ditto.
(fhandler_pty_master::process_slave_output): Ditto. Don't do signal handling
or pthread_cancel handling in the tty master thread.
(process_output): Minor reorg.
(fhandler_tty_slave::fhandler_tty_slave): Set device based on new ntty
argument.
(fhandler_tty_slave::open): Remove archetype handling. Move some processing
into open_setup().
(fhandler_tty_slave::open_setup): New function.
(fhandler_tty_slave::cleanup): New function.
(fhandler_tty_slave::close): Remove archetype handling. Move some processing
into cleanup().
(fhandler_tty_slave::init): Rename argument from f to h. Open device using
open_with_arch(). Remove archetype handling.
(fhandler_pty_master::dup): Ditto.
(fhandler_pty_master::open): Ditto.
(fhandler_pty_master::close): Ditto. Move some handling to cleanup().
(fhandler_pty_master::cleanup): New function.
(fhandler_tty_master::init_console): Give unique name to captive console
fhandler.
* pinfo.cc (_pinfo::set_ctty): Rename argument from arch to fh. Eliminate
archetype assumption.
* syscalls.cc (close_all_files): Use close_with_arch for closing.
(open): Use open_with_arch() rather than open().
(close): Use close_with_arch() rather than close().
* fhandler_socket.cc (fhandler_socket::connect): Ditto.
(fhandler_socket::accept4): Ditto.
(fhandler_socket::recvfrom): Ditto.
(fhandler_socket::recvmsg): Ditto.
(fhandler_socket::sendto): Ditto.
(fhandler_socket::sendmsg): Ditto.
* flock.cc (lf_setlock): Allow to cancel thread running blocking
file lock. Try to make code more readable.
(lockf): Call pthread_testcancel.
* mmap.cc (msync): Ditto.
* posix_ipc.cc (ipc_cond_timedwait): Call pthread::static_cancel_self
rather than pthread_testcancel.
* select.cc (cygwin_select): Call pthread_testcancel.
* syscalls.cc (pread): Ditto.
(pwrite): Ditto.
(readv): Ditto.
(writev): Ditto.
(open): Ditto.
(close): Ditto.
(fsync): Ditto.
* termios.cc (tcdrain): Ditto.
* thread.cc: Align list of cancellation points with above changes.
Mark not-implemented functions, too.
(cancelable_wait): Don't set unused object indices to WAIT_FAILED
since that could result in wrong behaviour. Set them to the invalid
value WAIT_TIMEOUT + 1 instead.
* autoload.cc: Enable autoloading advapi32 functions.
* environ.cc (regopt): Use wide char arguments in reg_key functions.
* fhandler_console.cc (beep): Ditto. Use WCHAR throughout.
* registry.cc (reg_key): Rewrite reg_key class to use native NT registry
functions. Use WCHAR string parameters throughout. Use PCWSTR rather
than const WCHAR. Drop multibyte char functionality. Drop unused
methods.
(get_registry_hive_path): Use RtlQueryRegistryValues to fetch path from
registry.
(load_registry_hive): Drop useless check for user hive being available.
Load hive using NtLoadKey.
* registry.h: Accommodate above changes.
* sched.cc (sched_rr_get_interval): Use wide char arguments in reg_key
functions.
* shared.cc (init_installation_root): Ditto.
(shared_info::init_obcaseinsensitive): Use RtlQueryRegistryValues to
fetch obcaseinsensitive value.
(shared_info::heap_slop_size): Use wide char arguments in reg_key
functions.
(shared_info::heap_chunk_size): Ditto.
* syscalls.cc (gethostid): Ditto.
* winsup.h (__WIDE): Define.
(_WIDE): Define.
* libc/minires-os-if.c (get_registry_dns_items): Don't fetch values
from registry. Just extract them from given UNICODE_STRING parameter.
(get_registry_dns): Fetch all registry values at once using
RtlQueryRegistryValues.
(UuidCreateSequential): Remove.
* passwd.cc (internal_getpwsid): Avoid a strict-aliasing compiler
error with gcc 4.5.1.
* fhandler_floppy.cc (fhandler_dev_floppy::get_drive_info): Ditto.
* ntdll.h (NtAllocateUuids): Declare.
* syscalls.cc (gethostid): Use NtAllocateUuids function rather than
UuidCreateSequential/UuidCreate to get rid of rpcrt4 dependency.
more generally available.
(stop_transaction): Ditto.
(unlink_nt): Potentially start transaction when trying to delete file
with DOS R/O attribute set. If file is .lnk symlink, check for number
of hardlinks. Add "out" label and only return via "out". Rearrange
reversion of DOS R/O attribute and, on success, only revert R/O
attribute if file is .lnk symlink with more than one hardlink. Add
length comment to explain why.
fhandler.
* fhandler.cc (fhandler_base::fstatvfs): Keep handle in created
path_conv.
* fhandler.h (fhandler_base::get_stat_access): New method.
(fhandler_base::get_stat_handle): New method.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Use handle
returned by get_stat_handle. Only request inode from system if it
isn't already set in the fhandler, and only for filesystems supporting
them.
(fhandler_base::fstat_fs): Use handle returned by get_stat_handle.
Change the way open_fs is called. Explain why.
(fhandler_base::fstat_helper): Use handle returned by get_stat_handle.
Never use 0 inode number. Simplify executable recognition by re-using
get_stat_handle if file could be opened with sufficient rights.
(fhandler_disk_file::fstatvfs): Use handle returned by get_stat_handle.
(fhandler_disk_file::facl): Use handle returned by get_stat_handle in
GETACL and GETACLCNT cases.
(fhandler_disk_file::link): Use handle returned by get_stat_handle
instead of opening file here again. Add comment.
(readdir_get_ino): Keep handle in created path_conv and drop
opening file.
* ntdll.h (wait_pending): New helper function.
* path.cc (symlink_info::check): Drop unused 'opt' parameter from
declaration. Add path_conv_handle argument.
(path_conv::check): Make sure conv_handle is closed. Keep
PC_KEEP_HANDLE flag in pflags_or. Accommodate call to sym.check to
new args.
(path_conv::~path_conv): Close conv_handle.
(symlink_info::check_shortcut): Don't re-open file here, just use
incoming handle. Drop goto's and label out.
(symlink_info::check_sysfile): Don't re-open file here, just use
incoming handle. Keep track of file position to accommodate the fact
that file has been opened asynchronously in calling function.
(symlink_info::check_nfs_symlink): Don't re-open file here, just use
incoming handle.
(symlink_info::check): Drop unused 'opt' parameter. Add
path_conv_handle argument. Always try to open file with GENERIC_READ
rights first to allow reading file content w/o having to re-open the
file. Drop back to READ_CONTROL | FILE_READ_ATTRIBUTES otherwise.
Call symlink test functions (except for check_reparse_point) only if
file could be opened with GENERIC_READ. Keep file handle open if
PC_KEEP_HANDLE is set in pflags.
* path.h (enum pathconv_arg): Add PC_KEEP_HANDLE flag.
(class path_conv_handle): New class.
(class path_conv): Add conv_handle member.
(path_conv::operator =): Duplicate conv_handle.
(path_conv::handle): New method.
(path_conv::access): New method.
(path_conv::reset_conv_handle): New method.
(path_conv::close_conv_handle): New method.
* select.cc (peek_pipe): Reorganize slightly. Don't attempt to check a handle
if it has ongoing I/O.
(select_pipe_info::select_pipe_info): Delete definition.
(select_pipe_info::~select_pipe_info): Delete definition.
(thread_pipe): Get rid of WFMO call. Reorganize loop.
(pipe_cleanup): Remove dependence on destructor.
(thread_serial): Reorganize loop.
* select.h (select_pipe_info): Empty this class since it no longer has any
special requirements (for now).
* syscalls.cc (readv): Remove an unneeded debug printf.
(user_info::version): Make LONG to accommodate spinlock use.
(user_info::create): New static function renamed from user_info_create.
(user_info::initialize): New private function renamed from
user_info_initialize.
(SHARED_VERSION): Delete.
(SHARED_VERSION_MAGIC): Ditto.
(USER_VERSION_MAGIC): Ditto.
(SHARED_INFO_CB): Ditto.
(USER_VERSION): Ditto.
(USER_VERSION_MAGIC): Ditto.
(CURR_SHARED_MAGIC): Update.
(CURR_USER_MAGIC): Ditto.
(shared_info::version): Make LONG to accommodate spinlock use.
(shared_info::create): New static function mirroring user_info::create.
(dll_crt0_1): Accommodate change to user_info::initialize.
* spinlock.h (spinlock::setto): New variable member.
(spinlock::done): New function.
(spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call
done() when lock is not needed.
* ntdll.h: Make multiple-inclusion safe.
(NtQuerySystemTime): Declare.
* shared.cc (installation_root_inited): Rename from shared_mem_inited.
(init_installation_root): Make inline. Use a spinlock to ensure that this is
initialized only once per session.
(user_info::initialize): Rename from user_shared_initialize. Protect with
spinlock on sversion and remove other spinlock-like things. Remove reference
to user_shared since it is now implicit. Refer to spinlock version of
multiple_cygwin_problem to ensure that any spinlock is released.
(user_info::create): Rename from user_shared_create. Accommodate change from
user_shared_initialize to user_info::initialize.
(shared_info::create): New inline function.
(shared_info::initialize): Protect with spinlock on sversion. Move heap_init
back under specific control of shared_info spinlock. Remove reference to
SHARED_INFO_CB and just use sizeof(*this).
(memory_init): Move all locking into respective functions where it is needed.
Accommodate name changes. Remove call to heap_init().
* syscalls.cc (seteuid32): Accommodate name change to user_info::create().
* mount.cc (mount_info::create_root_entry): Report on errors from add_item
since they should be nonexistent.
(mount_info::init): Don't initialize nmounts. It should already be zero. Give
more verbose error when root_idx < 0. Implicitly use this pointer rather than
explicitly referencing mount_table->.
(mount_info::add_item): Minor whitespace fix.
blessed_executable_suffixes to static.
(rename): Revert meaning of old_explicit_suffix. Change the rules
for appending a .exe suffix and (yikes!) document them.
(pipe2): Export.
* dtable.cc (dtable::dup_worker): Take additional flags parameter.
Handle O_CLOEXEC flag.
(dtable::dup3): Rename from dup2. Take additional flags parameter.
Check for valid flags. Drop check for newfd == oldfd.
* dtable.h (dtable::dup_worker): Add flags parameter.
(dtable::dup3): Rename from dup2.
* fcntl.cc (fcntl64): Add F_DUPFD_CLOEXEC case.
* fhandler.h (fhandler_mailslot::get_object_attr): Add flags parameter.
* fhandler.cc (fhandler_base::open): Use security attribute with
inheritance according to setting of O_CLOEXEC flag.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_fifo.cc (sec_user_cloexec): New inline function to
create security attribute with inheritance according to setting of
O_CLOEXEC flag.
(fhandler_fifo::open): Call sec_user_cloexec to fetch security
attribute.
(fhandler_fifo::wait): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_mailslot.cc (fhandler_mailslot::get_object_attr): Take
additional flags parameter. Use security attribute with inheritance
according to setting of O_CLOEXEC flag.
(fhandler_mailslot::open): Call get_object_attr with flags parameter.
* fhandler_registry.cc (fhandler_registry::open): Call set_close_on_exec
on real handles to accommodate O_CLOEXEC flag.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tape.cc: Create mutex with inheritance according to setting
of O_CLOEXEC flag.
* pipe.cc: Replace usage of O_NOINHERIT with O_CLOEXEC.
(fhandler_pipe::init): Simplify setting close_on_exec flag.
(fhandler_pipe::open): Remove setting close_on_exec flag.
(fhandler_pipe::create): Use security attribute with inheritance
according to setting of O_CLOEXEC flag.
(pipe2): New exported function.
* posix_ipc.cc: Throughout, open backing files with O_CLOEXEC
flag to follow POSIX semantics.
* security.h (sec_none_cloexec): New define.
* syscalls.cc (dup): Add missing extern "C" qualifier. Accommodate
renaming of dtable::dup2 to dtable::dup3.
(dup2): Ditto. Check newfd == oldfd here.
(dup3): New function. Check newfd == oldfd here.
(open): Set close_on_exec flag according to O_CLOEXEC flag before
calling fhandler->open.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
according to context. Throughout, replace hMainThread with
GetCurrentThread/NtCurrentThread according to context.
* dcrt0.cc (dll_crt0_0): Drop duplication of GetCurrentProcess to
hMainProc. Drop duplication of GetCurrentThread to hMainThread.
* dtable.cc (dtable::stdio_init): Remove useless comment.
* globals.cc (hMainProc): Remove.
(hMainThread): Remove.
* ntdll.h (NtCurrentProcess): Define.
(NtCurrentThread: Define.
files in this case, instead of moving them to the recycler. Create
even more unique filename. Add comment to explain filename.
(unlink_nt): Remove code returning with EBUSY on remote shares.
Set bin_stat to move_to_bin except on NFS. Add comment to explain.
SubstituteName for volume string to recognize volume mount points.
Reuse subst when calling sys_wcstombs.
* syscalls.cc (rename): Set errno to EBUSY when trying to rename
volume mount points. Explain why.
(ro_u_sys): Ditto.
* syscalls.cc (nt_path_has_suffix): Replace with ...
(nt_path_has_executable_suffix): New function checking for explicit
executable suffixes.
(rename): Call nt_path_has_executable_suffix instead of
nt_path_has_suffix. Check oldpath for nt_path_has_executable_suffix
as well to set old_explicit_suffix.
CW_SET_EXTERNAL_TOKEN.
Add new enum CW_TOKEN_IMPERSONATION, CW_TOKEN_RESTRICTED.
* cygheap.h (cyguser): New flags ext_token_is_restricted,
curr_token_is_restricted and setuid_to_restricted.
* external.cc (cygwin_internal): Add CW_SET_EXTERNAL_TOKEN.
* sec_auth.cc (set_imp_token): New function.
(cygwin_set_impersonation_token): Call set_imp_token ().
* security.h (set_imp_token): New prototype.
* spawn.cc (spawn_guts): Use CreateProcessAsUserW if restricted token
was enabled by setuid(). Do not create new window station in this case.
* syscalls.cc (seteuid32): Add handling of restricted external tokens.
Set HANDLE_FLAG_INHERIT for primary token.
(setuid32): Set setuid_to_restricted flag.
* uinfo.cc (uinfo_init): Do not reimpersonate if restricted token was
enabled by setuid (). Initialize user.*_restricted flags.
call initial_setlocale from here.
* syscalls.cc (initial_setlocale): Set internal charset and revert
application locale to "C".
(setlocale): Don't set Cygwin's internal charset here.
* dcrt0.cc (dll_crt0_1): Call setlocale (LC_CTYPE, "") here, just
before resetting application locale to "C".
* environ.cc (environ_init): Drop code setting locale here.
* syscalls.cc (check_codepage): Break out check for required codepage
from internal_setlocale.
(internal_setlocale): Just convert CWD and $PATH from old charset to
new charset and set internal charset.
(setlocale): Change accordingly. Don't require LC_ALL or LC_CTYPE to
store old locale value. Always call internal_setlocale if charset
changed due to locale environment changes.
returning pointer to posix path.
(cwdstuff::reset_posix): Convert to non-inline method taking a wchar_t
pointer.
* path.cc (cwdstuff::set): Revert change from 2009-05-13. Set posix
to valid incoming path again.
(cwdstuff::reset_posix): New implementation setting posix path from
incoming wchar_t path. Explain usage.
(cwdstuff::get_posix): Drop implementation.
(cwdstuff::get): Drop special case to handle empty posix path.
* syscalls.cc (internal_setlocale): Store old posix cwd as wide char
path. Restore posix cwd using new charset. Explain why.
* sigproc.cc (wait_for_sigthread): Ditto. Don't synchronize with wait_sig
after receiving an event that it is ready to go.
(init_sig_pipe): New function.
(wait_sig): Call init_sig_pipe to create pipes for communicating signals to
this process. Don't send sigCONT signal when initializing.
* fork.cc (frok::child): Accommodate wait_for_sigpipe parameter change.
* fhandler.h (fhandler_*::write): Make ssize_t/__stdcall.
(fhandler_*::write_overlapped): Ditto.
(fhandler_*::raw_write): Ditto.
(fhandler_*::readv): Ditto.
(fhandler_*::writev): Ditto.
(fhandler_*::raw_read): Make __stdcall.
* fhandler: Accommodate changes to read/write functions throughout.
* fhandler_clipboard.cc: Ditto.
* fhandler_console.cc: Ditto.
* fhandler_dsp.cc: Ditto.
* fhandler_fifo.cc: Ditto.
* fhandler_mailslot.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_random.cc: Ditto.
* fhandler_tape.cc: Ditto.
* fhandler_tty.cc: Ditto.
* fhandler_virtual.cc: Ditto.
* fhandler_windows.cc: Ditto.
* fhandler_zero.cc: Ditto.
* syscalls.cc (readv): Use ssize_t as temp variable.
* fhandler.cc (fhandler_base::read): Coerce returned len to signed or it will
never be treated as < 0.
(fhandler_base::wait_overlapped): Minimize calls to GetLastError. Remove
duplicate debugging test. Fix error return.
* fhandler.h (fhandler_fifo::fifo_name): Declare new function.
(fhandler_fifo::close): Ditto.
(fhandler_fifo::dup): Ditto.
(fhandler_fifo::close_on_exec): Ditto.
* fhandler.cc (fhandler_fifo::fifo_name): Define new function.
(FIFO_BUF_SIZE): New define.
(cnp): Ditto.
(fhandler_fifo::open): Rework. Use cnp to open named pipe. Always open write
side as a client. Open dummy client when writing and can't connect.
(wait): Rework. Implement fifo_wait_for_next_client. Handle signals during
connect better. Add new fifo_wait_for_server code which polls
(sigh) waiting for server.
(fhandler_fifo::raw_read): Handle transition states when one client closes and
another is available.
(fhandler_fifo::close): Define.
(fhandler_fifo::dup): Ditto.
(fhandler_fifo::close_on_exec): Ditto.
* wincap.cc: Implement above element throughout.
* wchar.h (__sjis_mbtowc): Declare.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): Ditto.
(__kr_mbtowc): Ditto.
(__big5_mbtowc): Ditto.
* syscalls.cc (internal_setlocale): Convert to char * function.
Return parameter by default. Return NULL if request to use a
charset can't be satisfied due to missing codepage support in the
underlying OS. Fix comment.
(setlocale): Store original locale. Restore to original locale if
internal_setlocale returns NULL.
(select_record::select_record): Define do-nothing constructor for "new" to
avoid gratuitous zeroing.
(select_info): New base class.
(select_pipe_info): New class with methods for dealing with pipes.
(select_socket_info): New class with methods for dealing with sockets.
(select_serial_info): Dummy class for serial.
(select_mailslot_info): Dummy class for mailslots.
(select_stuff): Define device_specific_* as actual classes rather than void *.
* dtable.h (dtable::select_read): Accommodate return value change to 'bool' and
argument change to "select_stuff".
(dtable::select_write): Ditto.
(dtable::select_except): Ditto.
* dtable.cc (dtable::select_read): Accommodate return value change to 'bool'
and argument change to "select_stuff".
(dtable::select_write): Ditto.
(dtable::select_except): Ditto.
* fhandler.h: Excise select-related classes.
(fhandler_*::select_read): Change argument to select_stuff.
(fhandler_*::select_write): Ditto.
(fhandler_*::select_except): Ditto.
* select.cc (UNIX_FD_ZERO): Use memset rather than bzero.
(select_stuff::test_and_set): Change return type to bool. Allocate
select_record on entry and let fhandler_*::select_* operate on the start.next
field of select_stuff.
(pipeinf): Delete.
(select_pipe_info::select_pipe_info): New constructor. Allocates event for
controlling pipe waits.
(select_pipe_info::~select_pipe_info): New destructor. Destroy event. Stop
thread.
(select_pipe_info::add_watch_handle): New function.
(thread_pipe): Wait for the hEvent part of any overlapped pipes before peeking.
(start_thread_pipe): Don't allocate device_specific_pipe stuff here. Assume
that it has been allocated earlier.
(pipe_cleanup): Rely on select_pipe_info destructor to clean up pipe
paraphenalia.
(fhandler_*::select_*): Derive select_record from new select_stuff argument.
(fhandler_pipe::select_*): Ditto. Allocate pipe-specific field if not already
allocated.
(serialinf): Delete.
(thread_serial): serialinf -> select_serial_info.
(fhandler_base::ready_for_read): Rewrite to accommodate change in argument to
fhandler_*::select_*.
(socketinf): Delete.
(thread_socket): socketinf -> select_socket_info.
(mailslotinf): Delete.
(thread_mailslot): mailslotinf -> select_mailslot_info.
* cygheap.h (struct cygheap_locale): New structure.
(struct user_heap_info): Add cygheap_locale member locale.
* dcrt0.cc (dll_crt0_1): Revert to calling _setlocale_r so that only
the applications locale is reverted to "C".
* environ.cc (environ_init): Remove unused got_lc variable.
* fhandler.h (class dev_console): Remove now unsed locale variables.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Remove
setting dev_console's locale members.
(dev_console::con_to_str): Use internal locale settings. Default to
__ascii_wctomb if charset is "ASCII".
(fhandler_console::write_normal): Ditto.
* strfuncs.cc (__ascii_wctomb): Drop declaration.
(__db_wctomb): Use fixed value 2 instead of not
necessarily matching MB_CUR_MAX.
(__eucjp_wctomb): Use 3 instead of MB_CUR_MAX.
(sys_cp_wcstombs): Remove special case for "C" locale.
(sys_wcstombs): Implement here. Use internal locale data stored on
cygheap.
(sys_cp_mbstowcs): Remove special case for "C" locale.
(sys_mbstowcs): Implement here. Use internal locale data stored on
cygheap.
* syscalls.cc (internal_setlocale): New function to set cygheap locale
data and to reset CWD posix path.
(setlocale): Just call internal_setlocale from here if necessary.
* wchar.h (__ascii_wctomb): Declare.
(sys_wcstombs): Don't define inline, just declare.
(sys_mbstowcs): Ditto.
(try_to_bin): Return bin_status. Rename win32_path to pc. Rename h
to fh. Rename fh to tmp_fh. Add code to set delete dispostion and
more code to replace file moved to bin by another, temporary file.
Add comments to explain why.
(unlink_nt): Replace move_to_bin with bin_stat. Only set bin_stat
to move_to_bin for non-remote files. As a last resort, call try_to_bin
if setting delete-on-close failed. Only re-set R/O DOS attribute
and only close handle if it's still valid.
where appropriate.
* globals.cc: New file for generic global variables.
* mkglobals_h: New file to generate globals.h.
* mkstatic: New Script used to build a (currently non-working) static
libcygwin_s.a.
* Makefile.in: Add unused rule to build a non-working libcygwin_s.a.
(DLL_OFILES): Add globals.o. Make all objects rely on globals.h.
(globals.h): New target. Generate globals.h.
* cygtls.h: Honor new CYGTLS_HANDLE define to control when the HANDLE operator
is allowed in _cygtls.
* dcrt0.cc: Move most globals to globals.cc.
* init.cc: Ditto.
* environ.cc (strip_title_path): Remove now-unneeded extern.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* pinfo.cc: Ditto.
(commune_process): Ditto.
* shared.cc: Ditto.
* glob.cc: Ditto.
* strace.cc: Ditto.
* exceptions.cc: Define CYGTLS_HANDLE before including winsup.h.
* path.cc (stat_suffixes): Move here.
* security.h: Add forward class path_conv declaration.
* smallprint.cc (__small_vsprintf): Make a true c++ function.
(__small_sprintf): Ditto.
(small_printf): Ditto.
(console_printf): Ditto.
(__small_vswprintf): Ditto.
(__small_swprintf): Ditto.
* spawn.cc (spawn_guts): Remove _stdcall decoration in favor of regparm.
(hExeced): Move to globals.cc
* strfuncs.cc (current_codepage): Ditto.
(active_codepage): Ditto.
* sync.cc (lock_process::locker): Move here from dcrt0.cc.
* syscalls.cc (stat_suffixes): Move to path.cc.
* tty.cc (tty::create_master): Uncapitalize fatal warning for consistency.
* winsup.h: Include globals.h to declare most of the grab bag list of globals
which were previously defined here.
* mount.h: Move USER_* defines back to shared_info.h.
* speclib: Force temporary directory cleanup.
* fhandler_fifo.cc (fhandler_fifo::open): Rework to cause errno to be set to
ENXIO when opening a fifo write/nonblocking.
* environ.cc (ucreqenv): Rename to ucenv. Move code from old ucenv here and
conditionalize it on create_upcaseenv.
(ucenv): Delete.
(environ_init): Fix compiler warning by moving create_upcaseenv test to ucenv.
Don't bother checking for child_proc_info when calling ucenv since it is
assumed to be NULL at the point where the function is called.
* path.cc (symlink_worker): Turn off MS-DOS path warnings when dealing with
devices since the device handler passes in a translated MS-DOS path.
* sec_auth.cc (lsaprivkeyauth): Avoid variable initialization which causes a
compiler error.
* fhandler_netdrive.cc: Update copyright.
* cygserver.h (CYGWIN_SERVER_VERSION_API): Bump.
(request_code_t): Define CYGSERVER_REQUEST_SETPWD request type.
* cygserver_msg.h (client_request_msg::retval): Use default value of -1
for retval if msglen is 0.
* cygserver_sem.h (client_request_sem::retval): Ditto.
* cygserver_shm.h (client_request_shm::retval): Ditto.
* cygserver_setpwd.h: New file.
* external.cc (cygwin_internal): Implement new CW_SET_PRIV_KEY type.
* sec_auth.cc (open_local_policy): Make externally available.
Get ACCESS_MASK as argument.
(create_token): Accommodate change to open_local_policy.
(lsaauth): Ditto.
(lsaprivkeyauth): New function fetching token by retrieving
password stored in Cygwin or Interix LSA private data area and
calling LogonUser with it.
* security.h (lsaprivkeyauth): Declare.
(open_local_policy): Declare.
* setlsapwd.cc: New file implementing setting LSA private data password
using LsaStorePrivateData or by calling cygserver if available.
* syscalls.cc (seteuid32): Add workaround to get the original token
when switching back to the original privileged user, even if
setgroups group list is still active. Add long comment to explain why.
Call lsaprivkeyauth first, only if that fails call lsaauth or
create_token.
* include/cygwin/version.h: Bump API minor number.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_SET_PRIV_KEY.
* dtable.cc (handle_to_fn): Ditto.
* fhandler_console.cc (fhandler_console::read): Ditto.
(fhandler_console::scroll_screen): Ditto.
(dev_console::set_color): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::write): Ditto.
(fhandler_dev_dsp::read): Ditto.
* fhandler_tape.cc (mtinfo_drive::get_status): Ditto.
* hookapi.cc (find_first_notloaded_dll): Ditto.
* mmap.cc (msync): Ditto.
* pipe.cc (pipesync::pipesync): Ditto.
* sec_acl.cc (getace): Ditto.
* sec_auth.cc (create_token): Ditto.
(lsaauth): Ditto.
* select.cc (peek_pipe): Ditto.
* spawn.cc (av::fixup): Ditto.
* syscalls.cc (popen): Ditto.
* tty.cc (tty::init_session): Ditto.
* uinfo.cc (pwdgrp::load): Ditto.
* fhandler.cc (fhandler_base::setup_overlapped): Ditto.
(fhandler_base::wait_overlapped): Rename second use of res variable to wres or
errors are not returned correctly.
* dcrt0.cc: Remove obsolete variable.
* dll_init.cc (release_upto): Fix typo involving incorrect use of '|'.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Avoid a compiler
warning regarding coercing type-punned variables.
(fhandler_base::fstat_by_name): Ditto. fhandler_fifo.cc
(fhandler_fifo::open_nonserver): Fix = vs. == typo.
(fhandler_fifo::wait): Add all conditions to switch statement to avoid a
compiler warning.
* fhandler_process.cc: Avoid unneeded initialization of variables to zero.
(fhandler_socket::listen): Add braces around initializer.
* flock.cc (inode_t::get_all_locks_list): Reorganize to avoid a compiler
warning. Fix problem with EWOULDBLOCK error return.
* path.cc (GUID_shortcut): Use braces around struct initializer.
(cygwin_conv_path): Reorganize to avoid a compiler warning.
* random.cc (dummy): Mark variable as volatile to avoid a "used uninitialized"
warning.
* libc/getopt.c: Mark some variables as dllexport although gcc doesn't seem to
do the right thing with them.
* libc/minires-os-if.c (get_registry_dns_items): Coerce some function arguments
to avoid a compiler warning.
user_shared_initialize_1 from here.
(dll_crt0_1): Remove dynamically_loaded check. Just call malloc_init and
user_shared_initialize unconditionally.
* shared.cc (user_shared_create): Rename from user_shared_initialize.
(user_shared_initialize): Rename from user_shared_initialize_1. Move complete
user_shared content initialization code here from user_shared_create.
* syscalls.cc (seteuid32): Remove call to user_shared_initialize_1. That is
implied by the "true" argument to user_shared_create().
here in case we're dynamically loaded. Explain why.
(dll_crt0_1): Call user_shared_initialize_1 from here.
* mount.cc (is_native_path): New inline function testing for native
and long Win32 path prefix.
(is_unc_share): Remove long WIn32 path prefix test.
(mount_info::create_root_entry): Use PATH_MAX buffer.
(mount_info::init): Ditto.
(mount_info::add_item): Test for is_native_path as well.
* path.cc (normalize_win32_path): Simplify native path prefix code.
* shared.cc (user_shared_initialize_1): New function taking user
shared initialization code relying on malloc and cygtls.
(user_shared_initialize): Move mountinfo initialization to
user_shared_initialize_1.
* shared_info.h (user_shared_initialize_1): Declare.
* syscalls.cc (seteuid32): Call user_shared_initialize_1 after user
changed.
Corinna Vinschen
Christopher Faylor
Eric Blake