* fhandler.h (fhandler_fifo::get_io_handle): New fifo-specific method.
* fhandler_fifo.cc (fhandler_fifo::close): Close output_handle only if it is
open.
(fhandler_fifo::open_not_mine): Reorganize slightly. Don't call _pinfo methods
when the fifo is owned by me or suffer dtable lock_cs deadlock.
(fhandler_fifo::open): Call open_not_mine first, otherwise open myself
(racy).
* pinfo.cc (_pinfo::commune_recv): Duplicate fifo handles here in requesting
processes arena to avoid one potential race (of many).
(_pinfo::commune_send): Move all PICOM_FIFO code under one case statement.
* thread.cc (pthread::init_mainthread) Use existing hMainProc handle rather
than calling GetCurrentProcess.
* ntdll.h (IsDosDeviceName_U): Declare.
* fhandler.cc (fhandler_base::open): Check to see if win32_name is a dos device
and just call the 9x open if so.
* path.cc (mount_info::add_item): Make sure native path has drive
or UNC form. Call normalize_xxx_path instead of [back]slashify.
Remove test for double slashes. Reorganize to always debug_print.
* 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.
* 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.
* 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.
* 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.
* fhandlet_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.
* 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.
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.
* 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.
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.
* 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.
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.
* 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.
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 (ttyname_r): New function.
(ttyname): Move functionality to ttyname_r. Call it from here.
* include/cygwin/version.h: Bump API minor number.
* 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.
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.
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.
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.
(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.
* 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.
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.
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.
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.
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.
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.
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.
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.
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.
* 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.
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.
Christopher Faylor
Corinna Vinschen
Pierre Humblet