* dir.cc (rmdir): Add existance check to be errno-compatible with Linux.
* fhandler_disk_file.cc (fhandler_disk_file::rmdir): Drop test for
non-existent dir on 9x share.
* syscalls.cc (unlink): Add comment.
* wincap.cc: Remove access_denied_on_delete flag throughout.
* wincap.h: Ditto.
mapping addition.
(ga_clone): Just call ga_dup from here.
(ga_duplist): New function to duplicate list of struct addrinfo.
(ga_echeck): Don't check a_flags, it already happened in
cygwin_getaddrinfo.
(cygwin_freeaddrinfo): Always call ipv4_freeaddrinfo.
(cygwin_getaddrinfo): Use new wincap.supports_all_posix_ai_flags
flag rather than wincap.has_gaa_on_link_prefix. Always duplicate
WinSock's addrinfo list to a self-allocated list. Handle AI_V4MAPPED
for pre-Vista platforms supporting getaddrinfo.
* wincap.h (wincapc::supports_all_posix_ai_flags): New element.
* wincap.cc: Implement above element throughout.
* include/netdb.h: Note how AI_ADDRCONFIG is not supported pre-Vista.
Remove superfluous comment.
* ntdll.h (struct _FILE_RENAME_INFORMATION): Define.
* path.cc (fs_info::update): Note length of rootdir prefix in
root_len.
(get_nt_native_path): New function, taking over functionality of
path_conv::get_nt_native_path.
(path_conv::get_nt_native_path): Just call get_nt_native_path.
* path.h (get_nt_native_path): Declare.
(struct fs_info): New member root_len.
(fs_info::length): New inline method returning root_len.
(path_conv::rootdir): New inline method returning rootdir prefix.
* syscalls.cc (try_to_bin): Rewrite using only system calls.
(unlink_nt): Call try_to_bin with additional handle to open file
parameter.
(statvfs): Use path_conv::rootdir method.
* wincap.h: Define has_recycle_dot_bin throughout.
* wincap.cc: Ditto.
Expect first DWORD in child_info struct being set to non-zero if
wincap.needs_count_in_si_lpres2 is set. Add comment to explain why.
* fork.cc (frok::parent): Set ch.zero[0] to a sensible count value
if wincap.needs_count_in_si_lpres2 is set.
* spawn.cc (spawn_guts): Ditto. Add filler bytes after ch on stack
to accomodate needs_count_in_si_lpres2.
* wincap.h: Define needs_count_in_si_lpres2 throughout.
* wincap.cc: Ditto.
* environ.cc: Disable subauth settings.
* grp.cc: Accomodate cygsidlist's count now being a method.
* sec_helper.cc (SECURITY_MANDATORY_INTEGRITY_AUTHORITY): Remove.
(mandatory_medium_integrity_sid): Remove.
(mandatory_high_integrity_sid): Remove.
(mandatory_system_integrity_sid): Remove.
(fake_logon_sid): Add.
(cygsid::get_sid): Add well_known parameter. Set well_known_sid
accordingly.
(cygsid::getfromstr): Ditto.
(cygsidlist::alloc_sids): Move here from security.cc.
(cygsidlist::free_sids): Ditto.
(cygsidlist::add): Move here from security.h. Add well_known parameter.
Set well_known_sid accordingly. Don't allow duplicate SIDs.
* security.cc: Include cyglsa.h and cygwin/version.h. Throughout
accomodate cygsidlist's count now being a method. Throughout drop
redundant "contains" tests.
(get_user_local_groups): Add local groups as well known SIDs.
(get_token_group_sidlist): Add well known groups as well known SIDs.
(get_server_groups): Ditto. Only call get_unix_group_sidlist after
get_user_local_groups to maintain "well_known_sid" attribute.
(get_initgroups_sidlist): Add well known groups as well known SIDs.
(get_setgroups_sidlist): Add usersid and struct passwd parameter to
allow calling get_server_groups from here.
(get_system_priv_list): Make static. Return size of TOKEN_PRIVILEGES
structure.
(get_priv_list): Ditto.
(create_token): Accomodate above changes. Drop misguided attempt to
add MIC SIDs to created user token. Print returned token as hex value.
(subauth): Disable.
(lsaauth): New function implementing client side of LSA authentication.
* security.h (class cygsid): Add well_known_sid attribute. Accomodate
throughout. Add *= operator to create a well known SID.
(class cygsidlist): Rename count to cnt. Make count a method.
(cygsidlist::add): Move to sec_helper.cc.
(cygsidlist::operator *=): New method to add well known SID.
(cygsidlist::non_well_known_count): New method returning number of
non well known SIDs in list.
(cygsidlist::next_non_well_known_sid): New method returning next non
well known SID by index.
(mandatory_medium_integrity_sid): Drop declaration.
(mandatory_high_integrity_sid): Drop declaration.
(mandatory_system_integrity_sid): Drop declaration.
(fake_logon_sid): Add declaration.
(subauth): Disable declaration.
(lsaauth): Add declaration.
* syscalls.cc (seteuid32): Disable subauthentication. Add LSA
authentication.
* wincap.h: Define needs_logon_sid_in_sid_list throughout.
* wincap.cc: Ditto.
(well_known_this_org_sid): New well known sid.
(SECURITY_MANDATORY_INTEGRITY_AUTHORITY): Define.
(mandatory_medium_integrity_sid): New well known sid.
(mandatory_high_integrity_sid): Ditto.
(mandatory_system_integrity_sid): Ditto.
(cygsid::get_sid): Use local SID_IDENTIFIER_AUTHORITY. Allow all
authorities fitting in a UCHAR.
* security.cc (get_token_group_sidlist): Always add the local
group to the token. Add comment. Add "This Organization" group
if available in incoming group list.
(get_server_groups): Only add world and authenticated users groups
if not already in list.
(create_token): Add matching mandatory integrity SID to group list
on systems supporting Mandatory Integrity Control.
* security.h (well_known_this_org_sid): Define.
(mandatory_medium_integrity_sid): Define.
(mandatory_high_integrity_sid): Define.
(mandatory_system_integrity_sid): Define.
* wincap.h: Define has_mandatory_integrity_control throughout.
* wincap.cc: Ditto.
on/off depending on whether we have allocated a console or not.
* dcrt0.cc (child_info_fork::fork_retry): Add more potential retry statuses.
(dll_crt0_0): Turn on/off console control depending on whether we have a
controlling tty or not.
* exceptions.cc (init_console_handler): Change BOOL to bool.
* fhandler_console.cc (fhandler_console::need_invisible): Cosmetic change.
* winsup.h (init_console_handler): Reflect argument type change.
* wincap.h (supports_setconsolectrlhandler_null): Remove duplicate capability
throughout.
* wincap.cc: Ditto.
later. Add a comment.
* fork.cc (resume_child): Make void.
(frok::parent): Only zero pi when necessary. Explicitly zero si. Set
this_errno when child_copy fails. Accommodate change to resume_child.
* sigproc.cc (sigalloc): Move global_sigs initialization here.
(sigproc_init): Move global_sigs.
(sig_send): Just check for flush signals once.
* wincap.h: Define supports_setconsolectrlhandler_null throughout.
* wincap.cc: Ditto.
* fhandler_socket.cc (fhandler_socket::bind): Set socket to
SO_EXCLUSIVEADDRUSE if application didn't explicitely set SO_REUSEADDR
socket option, on systems supporting SO_EXCLUSIVEADDRUSE.
* net.cc (cygwin_setsockopt): Set fhandler's saw_reuseaddr status flag
if SO_REUSEADDR socket option has been successsfully set.
* wincap.h (wincaps::has_exclusiveaddruse): New element.
* wincap.cc: Implement above element throughout.
* dir.cc (__opendir_with_d_ino): Just call opendir.
(opendir): Remove CYGWIN_VERSION_CHECK_FOR_NEEDS_D_INO handling.
(readdir_worker): Only try generating d_ino if it's 0.
Utilize namehash of directories fhandler. Call readdir_get_ino to
generate d_ino for "..".
(seekdir64): Keep dirent_set_d_ino flag.
* fhandler.h (enum dirent_states): Add dirent_get_d_ino.
(class fhandler_disk_file): Declare new private methods readdir_helper
and readdir_9x.
* fhandler_disk_file.cc (path_conv::hasgood_inode): New method to
evaluate if a filesystem has reliable inode numbers.
(fhandler_base::fstat_by_handle): Accomodate structure member name
change from IndexNumber to FileId.
(fhandler_base::fstat_helper): Call hasgood_inode here.
(fhandler_disk_file::opendir): Call fhaccess only for real files.
Don't append '*' to __d_dirname here, move to readdir_9x. On NT,
open directory handle here. Set dirent_get_d_ino and dirent_set_d_ino
flags according to wincap and filesystem.
(fhandler_disk_file::readdir_helper): New method to implement readdir
postprocessing only once.
(readdir_get_ino_by_handle): New static function.
(readdir_get_ino): New function to centralize inode number evaluation
in case inode number hasn't been returned by NtQueryDirectoryFile.
(fhandler_disk_file::readdir): Move old functionality to readdir_9x.
Call readdir_9x when on 9x/Me. Implement NT specific readdir here.
(fhandler_disk_file::readdir_9x): Move 9x specific readdir here.
(fhandler_disk_file::seekdir): Accomodate new NT readdir method.
(fhandler_disk_file::closedir): Ditto.
(fhandler_cygdrive::fstat): Set d_ino to namehash. Add comment.
(fhandler_cygdrive::opendir): Call get_namehash to prepare later
correct evaluation of d_ino.
(fhandler_cygdrive::readdir): Replace recursion with loop. Evaluate
drive's d_ino by calling readdir_get_ino.
* fhandler_proc.cc (fhandler_proc::readdir): Set dirent_saw_dot and
dirent_saw_dot_dot to avoid seeing . and .. entries twice.
* fhandler_process.cc (fhandler_process::readdir): Ditto.
* fhandler_registry.cc (fhandler_registry::readdir): Ditto.
* ntdll.h (STATUS_INVALID_PARAMETER): New define.
(STATUS_INVALID_LEVEL): New define.
(struct _FILE_INTERNAL_INFORMATION): Rename member IndexNumber to
FileId (as in Nebbitt).
* path.h (path_conv::hasgood_inode): Now implemented in
fhandler_disk_file.cc.
* wincap.h (wincaps::has_fileid_dirinfo): New element.
* wincap.cc: Implement above element throughout.
* winsup.h (readdir_get_ino): Add declaration.
* include/sys/dirent.h (struct dirent): Slightly rename structure
members to accomodate changes.
Remove __USE_EXPENSIVE_CYGWIN_D_INO handling and declaration of
__opendir_with_d_ino.
Windows 2000 and above. Clarify the comment about IP_TOS and move
to the place where the magic happens.
(get_ifconf): Remove unused code.
* wincap.h (wincaps::has_disabled_user_tos_setting): New element.
* wincap.cc: Implement above element throughout.
* init.cc (dll_entry): Rename is_wow64_proc to wow64_test_stack_marker.
Call wincap.init here before doing anything else. Use wincap.is_wow64
to determine if we're running in a WOW64 emulator.
* mmap.cc (MapViewNT): Don't use AT_ROUND_TO_PAGE in WOW64, it's
apparently not supported.
(mmap64): Don't create mappings beyond EOF, which would need to use
AT_ROUND_TO_PAGE, on WOW64.
* wincap.cc (wincap): Throw into the .cygwin_dll_common section.
(wincapc::init): Determine if running in WOW64 and set wow_64 flag.
* wincap.h (class wincapc): Add wow64 member.
(wincapc::is_wow64): New method.
* cygheap.cc (_csbrk): Call getpagesize instead of getshmlba.
* dcrt0.cc (dll_crt0_0): Call mmap_init.
* external.cc (cygwin_internal): Call getpagesize instead of getshmlba.
* fhandler.h (fhandler_base::mmap): Change access to prot parameter.
(fhandler_base::fixup_mmap_after_fork): Ditto.
(fhandler_disk_file::mmap): Ditto.
(fhandler_disk_file::fixup_mmap_after_fork): Ditto.
(fhandler_dev_mem::mmap): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::write): Call getsystempagesize
instead of getpagesize.
(fhandler_dev_mem::read): Ditto.
(fhandler_dev_mem::fstat): Ditto.
(fhandler_dev_mem::mmap): Move to mmap.cc.
(fhandler_dev_mem::munmap): Ditto.
(fhandler_dev_mem::msync): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto.
* fhandler_proc.cc (format_proc_meminfo): Call getsystempagesize
instead of getpagesize.
* fhandler_process.cc (format_process_stat): Ditto.
(format_process_status): Ditto.
(get_mem_values): Ditto.
* mmap.cc: Fix formatting. Try to make more readable and modular.
Take advantage of pagesize==granularity.
(gen_protect): New static function to evaluate Windows
protection bits from POSIX protection and flags.
(gen_access): Ditto for Windows access mode.
(VirtualProt9x): Wrapper function to call VirtualProtect on 9x.
(VirtualProtNT): Ditto for NT.
(VirtualProtEx9x): Ditto for VirtualProtectEx on 9x.
(VirtualProtExNT): Ditto for NT.
(CreateMapping9x): Wrapper function for creating a mapping handle on 9x.
(CreateMappingNT): Ditto for NT.
(MapView9x): Wrapper function to map a view on 9x.
(MapViewNT): Ditto for NT.
(mmap_funcs_9x): Structure containing function pointers to wrapper
functions for 9x.
(mmap_funcs_nt): Ditto for NT.
(mmap_func): Pointer to wrapper functions used in subsequent code.
(mmap_init): Initialize mmap_func depending on OS.
(class mmap_record): Use sensible member names. Add POSIX protection
member. Drop Windows access flags member. Constify more methods.
Use accessors instead of direct member access inside of own methods.
(mmap_record::gen_protect): Class wrapper to evaluate matching
Windows protection bits.
(mmap_record::gen_access): Ditto for Windows access flags.
(mmap_record::compatible_flags): New function to check if flags are
compatible with flags of existing map.
(list::add_record): Drop offset and length arguments.
(class map): Change counters to unsigned. Match usage throughout.
(mmapped_areas): Convert from pointer to global struct.
(mmap_record::alloc_page_map): Simplify.
(mmap_record::map_pages): Ditto.
(mmap_record::fixup_page_map): Delete.
(mmap64): Simplify. Add workaround for Windows 98 bug. Fix bug on
NT that existing anonymous mappings weren't searched for a match.
(munmap): Add workaround for Windows 98 bug.
(msync): Simplify.
(mprotect): Handle existing maps correctly.
(mlock): Add local pagesize variable and enlightening comment.
(fhandler_disk_file::mmap): Main functionality now in CreateMapping/
MapView wrapper functions.
(fhandler_disk_file::fixup_mmap_after_fork): Call MapView wrapper.
(fhandler_dev_mem::mmap): Moved from fhandler_mem.cc. Simplify by
calling MapViewNT.
(fhandler_dev_mem::munmap): Moved from fhandler_mem.cc.
(fhandler_dev_mem::msync): Ditto.
(fhandler_dev_mem::fixup_mmap_after_fork): Ditto. Call MapViewNT.
(fixup_mmaps_after_fork): Restructure and hopefully speed up loop for
setting protection and memory content on MAP_PRIVATE maps.
* ntdll.h (AT_ROUND_TO_PAGE): Remove define.
(AT_EXTENDABLE_FILE): Add define.
(NtCreateSection): Add prototype.
* syscalls.cc (getpagesize): Return granularity as pagesize now.
(getsystempagesize): New function to retrieve "real" pagesize.
(getshmlba): Delete since it's replaced by getpagesize now.
* wincap.h (wincaps::has_mmap_alignment_bug): New element.
* wincap.cc: Implement above element throughout.
* winsup.h (getshmlba): Drop prototype.
(getsystempagesize): Add prototype.
(mmap_init): Ditto.
* include/sys/mman.h: (Not yet) define MAP_NORESERVE.
eof_detected status flag. Delete is_eom and is_eof methods.
Move drive_size, bytes_per_sector, eom_detected status flag, as well
as the methods read_file, write_file, raw_read and raw_write to ...
(class fhandler_dev_floppy): ... here. Remove is_eom and is_eof
methods. Add dup method.
* fhandler_floppy.cc (IS_EOM): New macro.
(fhandler_dev_floppy::is_eom): Remove.
(fhandler_dev_floppy::is_eof): Remove.
(fhandler_dev_floppy::fhandler_dev_floppy): Initialize status flags.
(fhandler_dev_floppy::get_drive_info): Only call EX functions on
systems supporting them and stop suffering strange delays.
(fhandler_dev_floppy::read_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::write_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::open): Rearrange comment.
(fhandler_dev_floppy::dup): New method.
(fhandler_dev_floppy::get_current_position): New inline method. Use
instead of former current_position were appropriate.
(fhandler_dev_floppy::raw_read): Move here. Drop EOF handling.
(fhandler_dev_floppy::raw_write): Move here. Drop EOF handling.
(fhandler_dev_floppy::lseek): Remove useless conditions. Convert
sector_aligned_offset to LARGE_INTEGER to improve SetFilePointer call.
(fhandler_dev_floppy::ioctl): Move blocksize check in RDSETBLK case
to here.
* fhandler_raw.cc (fhandler_dev_raw::is_eom): Remove.
(fhandler_dev_raw::is_eof): Remove.
(fhandler_dev_raw::write_file): Remove.
(fhandler_dev_raw::read_file): Remove.
(fhandler_dev_raw::raw_read): Remove.
(fhandler_dev_raw::raw_write): Remove.
(fhandler_dev_raw::dup): Drop copying removed members.
(fhandler_dev_raw::ioctl): Drop blocksize testing.
* wincap.h: Implement has_disk_ex_ioctls throughout.
* wincap.cc: Ditto.
(wincap_vista): Preliminary wincaps for Windows Vista/Longhorn.
(wincapc::init): Add Vista/Longhorn handling.
(wincapc::detect_win16_exe): Implement.
* wincap.cc: Populate detect_win16_exe where appropriate.
* spawn.cc (spawn_guts): Only go out of the way to detect 16-bit apps on
systems which are flummoxed by them.
* autoload.cc (GetVolumePathNamesForVolumeNameA): Remove.
* autoload.cc (GetVolumeNameForVolumeMountPointA): Add.
* syscalls.cc (sync): Rewrite guid case to skip floppies also on
Windows 2000.
* wincap.h (wincaps::has_get_volume_pathnames): Rename from
has_guid_volumes
* wincap.cc: Accomodate above rename throughout. Set to false on
Windows 2000.
set_socketpair_eids.
* fhandler_socket.cc (fhandler_socket::set_socketpair_eids): New method.
(fhandler_socket::dup): Duplicate sec_pipe if necessary.
(fhandler_socket::listen): Only create sec_pipe if named pipes are
available. Initialized sec_peer_pid to 0 as on Linux.
(fhandler_socket::connect): Only run eid credential transaction if
named pipes are available. Fake otherwise. Initialized sec_peer_pid
to 0 as on Linux.
(fhandler_socket::accept): Ditto.
(fhandler_socket::close): Move closing sec_pipe handle from here...
(fhandler_socket::~fhandler_socket): ... to here.
* net.cc (socketpair): Set eid credentials by calling
fhandler_socket::set_socketpair_eids() on both socket ends.
* wincap.h (wincaps::has_named_pipes): New element.
* wincap.cc: Implement above element throughout.
(FindNextVolumeA): Add.
(FindVolumeClose): Add.
(GetVolumePathNamesForVolumeNameA): Add.
* fhandler.h (class fhandler_base): Declare new method fsync.
* fhandler.cc (fhandler_base::fsync): New method.
* syscalls.cc (fsync): Move functionality into fhandler method fsync.
Just call this method from here.
(sync_worker): New static function.
(sync): Fill with life for NT systems.
* wincap.h (wincaps::has_guid_volumes): New element.
* wincap.cc: Implement above element throughout.
* fork.cc (fork_parent): Copy parent's nice value into child.
* spawn.cc (spawn_guts): Ditto.
* miscfuncs.cc (winprio_to_nice): New function.
(nice_to_winprio): Ditto.
* pinfo.cc (pinfo_init): If parent is not a Cygwin process, set
default nice value according to current Win32 priority class.
* pinfo.h (class _pinfo): Add nice member.
* syscalls.cc (setpriority): New function, only implementing
PRIO_PROCESS for now.
(getpriority): Ditto.
(nice): Just call setpriority.
* wincap.h (wincaps::has_extended_priority_class): New element.
* wincap.cc: Implement above element throughout.
* winsup.h: Add prototypes for winprio_to_nice and nice_to_winprio.
* include/limits.h (NZERO): New define.
* include/cygwin/types.h (id_t): New datatype.
* include/cygwin/version.h: Bump API minor version.
* include/sys/resource.h: Add PRIO_XXX defines and prototypes for
getpriority and setpriority.
(cygthread::cygthread): Ditto.
(cygthread::terminate_thread): Ditto. Move inuse test earlier or suffer
infinite loop.
* pinfo.cc (_pinfo::dup_proc_pipe): Close handle if DuplicateHandle fails and
process no longer exists.
* spawn.cc (spawn_guts): Create process in suspended state if OS demands it.
* wincap.cc: Add "start_proc_suspended" throughout.
* wincap.h (wincaps): Ditto.
(wincapc): Ditto.
ERROR_SETMARK_DETECTED to EIO instead of ESPIPE.
Handle ERROR_FILEMARK_DETECTED.
* fhandler_tape.cc (TAPE_FUNC): Add comment that ERROR_BUS_RESET
has still to be handled correctly.
(fhandler_dev_tape::open): Accomodate fact that get.mt_dsreg
also contains density code.
(fhandler_dev_tape::ioctl): Rearrange slightly. Reset devbuf also on
MTNOP, MTWSM, MTSETBLK, MTSETDRVBUFFER, MTSETPART and MTMKPART.
(fhandler_dev_tape::tape_set_pos): Rearrange. Match behaviour to
the Linux tape driver.
(fhandler_dev_tape::tape_status): Call IOCTL_STORAGE_GET_MEDIA_TYPES_EX
if available. Return device type and density code in appropriate
mtget members.
* wincap.h (wincaps::has_ioctl_storage_get_media_types_ex): New element.
* wincap.cc: Implement above element throughout.
* include/cygwin/mtio.h: Add tape device types as returned by
IOCTL_STORAGE_GET_MEDIA_TYPES_EX.
(MT_TAPE_INFO): Use above type codes.
(struct mtget): Change mt_dsreg comment.
we're not closing what we think we're closing.
(sig_send): Improve debugging when exiting due to no_signals_available.
* wincap.h (wincaps::cant_debug_dll_entry): New element.
* wincap.cc: Implement above element throughout.
* dcrt0.cc (initial_env): Accommodate changes necessary to allow initial
debugging for systems which do not allow debugging in dll_entry.
(dll_crt0_0): Add initial_env call back here.
* Makefile.in (install-man): Use mandir as target for installation.
* include/cygwin/version.h: Bump DLL minor number to 7 (should have been done
earlier).
* wincap.h (wincaps::is_server): New flag.
(wincapc::version): Change type to OSVERSIONINFOEX.
(wincapc::is_server): New function.
* wincap.cc (wincap_unknown::is_server): New initializer.
(wincap_95): Ditto.
(wincap_95osr2): Ditto.
(wincap_98): Ditto.
(wincap_me): Ditto.
(wincap_nt3): Ditto.
(wincap_nt4): Ditto.
(wincap_nt4sp4): Ditto.
(wincap_2000): Ditto.
(wincap_xp): Ditto.
(wincapc::init): Adapt to OSVERSIONINFOEX. Add detection of NT server systems.
* sched.cc: Include windows.h and registry.h.
(sched_rr_get_interval): Re-implement for NT systems.
(ENTROPY_SOURCE_NAME): Ditto.
(secret_event_name): New static function. Create shared event name
with "Global\" prefix on systems supporting terminal services.
(fhandler_socket::set_connect_secret): Fix conditional.
(fhandler_socket::create_secret_event): Create secret event using
secret_event_name().
(fhandler_socket::close_secret_event): Ditto.
* shared.cc (shared_name): Create shared object name with "Global\"
prefix on systems supporting terminal services.
* wincap.cc: Set has_terminal_services capability throughout.
(wincap_2003): New global object representing Windows 2003 Server
capabilities.
(wincapc::init): Accomodate Windows 2003 Server.
* wincap.h (struct wincaps): Add has_terminal_services capability.
(wincapc:pty_needs_alloc_console): New function.
* wincap.cc: Add pty_needs_alloc_console throughout.
* fhandler_tty.cc (fhandler_tty_slave::open): Open an "invisible" console on
first pty allocation.
* include/winioctl.h (FSCTL_SET_SPARSE): Define.
cygwin:
* wincap.h (wincaps::supports_sparse_files): New flag.
(wincapc::supports_sparse_files): New method.
* wincap.cc (wincap_unknown): Define value for the new flag.
(wincap_95): Ditto.
(wincap_95osr2): Ditto.
(wincap_98): Ditto.
(wincap_98se): Ditto.
(wincap_me): Ditto.
(wincap_nt3): Ditto.
(wincap_nt4): Ditto.
(wincap_nt4sp4): Ditto.
(wincap_2000): Ditto.
(wincap_xp): Ditto.
* path.h (path_conv::fs_flags): New method.
* fhandler_disk_file.cc: Include winioctl.h for DeviceIoControl.
(fhandler_disk_file::open): Set newly created and truncated files as
sparse on platforms that support it.
Corinna Vinschen
Christopher Faylor