return code from GetFileSize and set file size to 0 if necessary.
* fhandler_netdrive.cc (fhandler_netdrive::fstat): Set permissions
to read/execute for all.
* path.h (enum pathconv_arg): Change PC_FULL to PC_NOUILL.
* path.cc (path_conv::check): Test for PC_NOFULL rather than !PC_FULL.
(cygwin_conv_to_win32_path): Use PC_NOFULL to force non-absolute path.
ERROR_NOT_SUPPORTED to workaround Win9x weirdness.
* path.cc (symlink_info::check): Remap ERROR_INVALID_FUNTION to
ERROR_FILE_NOT_FOUND for the same reason.
(__main): Don't rely on atexit to run dtors.
(do_exit): Specifically call do_global_dtors here.
(cygwin_exit): Ditto.
* dll_init.cc (dll_global_dtors): Make global. Only run dtors once.
(dll_list::init): Just set flag that dtors should be run. Don't rely on
atexit.
* dll_init.h (dll_global_dtors): Declare.
* exceptions.cc (sigrelse): Define.
* path.h (is_fs_device): New method.
(is_lnk_special): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::link): Use "is_lnk_special" rather
than "is_lnk_symlink".
* syscalls.cc (rename): Ditto.
* hookapi.cc (ld_preload): Use colon as a separator rather than space.
error code as well as errno. Use throughout where errno is set from
NT status.
(set_errno): Evaluate val only once.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Fix typo in
debug output.
* fhandler_mem.cc (fhandler_dev_mem::open): Rely on
__seterrno_from_nt_status setting Win32 error code in debug output.
* fhandler_proc.cc (format_proc_uptime): Ditto.
(format_proc_stat): Ditto.
* fhandler_process.cc (format_process_stat): Ditto.
* sysconf.cc (sysconf): Ditto.
* fhandler.cc (fhandler_base::raw_write): Don't touch has_changed flag.
* fhandler.h (enum change_state): Remove.
(fhandler_base::status): Revert has_changed to a simple bit.
(fhandler_base::fstat_helper): Add nAllocSize parameter. Rename
ftCreationTime to ftChangeTime.
* fhandler_disk_file.cc:
Call fstat_helper with additional
allocation size throughout.
(fhandler_base::fstat_by_handle): Use NT native functions to get
full file information on NT. Call fstat_helper with LastWriteTime
as ctime, if ChangeTime is not available.
(fhandler_base::fstat_by_name): Call fstat_helper with LastWriteTime
as ctime.
(fhandler_base::fstat_helper): Add comment. Drop special FAT
handling since it's useless. Use nAllocSize for st_blocks if available.
(fhandler_disk_file::touch_ctime): Only touch LastWriteTime.
(fhandler_disk_file::fchmod): Set has_changed on 9x only.
(fhandler_disk_file::fchown): Don't set has_changed.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::ftruncate): Ditto.
(fhandler_disk_file::link): Set has_changed on 9x only and on original
file only.
(fhandler_base::open_fs): Don't set has_changed in O_TRUNC case.
* ntdll.h (FILE_BASIC_INFORMATION): Define.
(FILE_STANDARD_INFORMATION): Define.
(FILE_INTERNAL_INFORMATION): Define.
(FILE_EA_INFORMATION): Define.
(FILE_ACCESS_INFORMATION): Define.
(FILE_POSITION_INFORMATION): Define.
(FILE_MODE_INFORMATION): Define.
(FILE_ALIGNMENT_INFORMATION): Define.
(FILE_NAME_INFORMATION): Don't define with arbitrary FileName size.
(FILE_ALL_INFORMATION): Define.
(FILE_INFORMATION_CLASS): Add FileAllInformation.
(FILE_FS_VOLUME_INFORMATION): Define.
(FS_INFORMATION_CLASS): Define.
(NtQueryVolumeInformationFile): Define.
* fhandler.h (enum change_state): Add.
(fhandler_base::status): Add a bit to has_changed flag.
(fhandler_base::has_changed): Implement with type change_state.
* fhandler.cc (fhandler_base::raw_write): Accomodate type change
of has_changed.
* fhandler_disk_file.cc )fhandler_disk_file::touch_ctime): Also
touch modification time if has_changed == data_changed.
(fhandler_disk_file::fchmod): Also open on 9x, otherwise we can't
touch ctime. Accomodate type change of has_changed.
(fhandler_disk_file::fchown): Accomodate type change of has_changed.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::ftruncate): Ditto.
(fhandler_disk_file::link): Ditto.
(fhandler_base::open_fs): Ditto.
* cygheap.h (cygheap_user::curr_primary_token): New member.
(cygheap_user::primary_token): New method.
(cygheap_user::deimpersonate): Always revert to processes'
impersonation token.
(cygheap_user::reimpersonate): Set processes' or setuid token as
necessary.
(cygheap_user::has_impersonation_tokens): Look for curr_primary_token
value.
(cygheap_user::close_impersonation_tokens): Close curr_primary_token
here if necessary. Don't reset token values to NO_IMPERSONATION since
that's done in uinfo_init anyway.
(init_cygheap::luid): New LUID array keeping privilege LUIDs.
* cygtls.cc (_cygtls::init_thread): Call cygheap->user.reimpersonate.
* dcrt0.cc (hProcToken): New global variable to keep process token.
(hProcImpToken): Ditto for process impersonation token.
(dll_crt0_0): Open process token here once. Duplicate to create
hProcImpToken.
(dll_crt0_1): Call set_cygwin_privileges.
* environ.cc (allow_ntea): Drop duplicate declaration.
(allow_smbntsec): Ditto.
(set_traverse): Only set allow_traverse here.
(environ_init): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Drop call to
enable_restore_privilege.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
* fork.cc (fork_child): Move call to cygheap->user.reimpersonate after
syn with parent. Call set_cygwin_privileges.
* grp.cc (internal_getgroups): Use hProcImpToken instead of opening
process token.
* path.cc (fs_info::update): Bypass traverse checking when retrieving
volume information using push/pop_thread_privileges.
* registry.cc (load_registry_hive): Drop setting restore privilege
since it's already set if available.
* sec_helper.cc: Include cygtls.h.
(cygpriv): Privilege string array.
(privilege_luid): New function, evaluate LUID from cygpriv_idx.
(privilege_luid_by_name): New function, evaluate LUID from privilege
string.
(privilege_name): New function, evaluate privilege string from
cygpriv_idx.
(set_privilege): New static function called by set_process_privilege
and set_thread_privilege. Call privilege_luid to get privilege LUID.
Fix bug in return value evaluation. Improve debug output.
(set_cygwin_privileges): New function.
(set_process_privilege): Remove.
(enable_restore_privilege): Remove.
* security.cc (allow_traverse): New global variable.
(sys_privs): Change type to cygpriv_idx and store privilege indices
instead of strings.
(SYSTEM_PRIVILEGES_COUNT): Renamed from SYSTEM_PERMISSION_COUNT.
(get_system_priv_list): Don't use numerical constant in malloc call.
Use privilege_luid to get privilege LUIDs.
(get_priv_list): Call privilege_luid_by_name to get LUIDs. Improve
inner privilege LUID comparison loop.
(create_token): Enable create token privilege using
push/pop_self_privileges. Use hProcToken instead of opening process
token. Use default DACL when duplicating token.
(subauth): Enable tcb privilege using push/pop_self_privileges.
Use sec_none instead of homw made security attributes when duplicating
token.
(check_file_access): Don't duplicate access token, use active
impersonation token as is.
* security.h (enum cygpriv_idx): New enumeration type enumerating
possible privileges.
(privilege_luid): Declare new function.
(privilege_luid_by_name): Ditto.
(privilege_name): Ditto.
(allow_traverse): Declare.
(set_privilege): Declare function.
(set_process_privilege): Define as macro.
(enable_restore_privilege): Remove declaration.
(_push_thread_privilege): Define macro.
(push_thread_privilege): Ditto.
(pop_thread_privilege): Ditto.
(pop_self_privilege): Ditto.
* spawn.cc (spawn_guts): Use cygheap->user.primary_token instead of
cygheap->user.token.
* syscalls.cc (statvfs): Bypass traverse checking when retrieving
volume information using push/pop_thread_privileges. Rearrange code
to simplify push/pop bracketing.
(seteuid32): Use hProcToken instead of opening process token. Call
cygheap->user.deimpersonate instead of RevertToSelf. Create
impersonation token from primary internal or external token. Set
cygheap->user.curr_primary_token and cygheap->user.current_token
privileges once here. Drop "failed" and "failed_ptok" labels.
Drop setting DefaultDacl of process token.
(setegid32): Use hProcToken and hProcImpToken instead of opening
process token. Always reimpersonate afterwards.
* uinfo.cc (cygheap_user::init): Use hProcToken instead of opening
process token.
(internal_getlogin): Ditto. Set hProcImpToken, too.
(uinfo_init): Initialize cygheap->user.curr_primary_token.
* winsup.h (hProcToken): Declare.
(hProcImpToken): Declare.
dwVolumeSerialNumber argument. Drop default values for last three
arguments.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Pass
dwVolumeSerialNumber from GetFileInformationByHandle to fstat_helper.
(fhandler_base::fstat_by_name): Pass pc.volser () to fstat_helper.
Accomodate dropping default values for last three arguments of
fstat_helper.
(fhandler_base::fstat_helper): Add dwVolumeSerialNumber argument.
Use for st_dev member unless 0 in which case pc.volser () is used.
(fhandler_base::status.query_open): Add a bit to make room for more
states.
(class fhandler_base): Declare new method utimes.
(class fhandler_socket): Ditto.
(class fhandler_disk_file): Ditto.
(fhandler_disk_file::fhandler_disk_file): Add constructor with
path_conv parameter.
* fhandler.cc (fhandler_base::open): Add query_write_attributes
handling.
(fhandler_base::utimes): New method.
* fhandler_disk_file.cc (fhandler_disk_file::link): Simplify.
Open file with query_write_attributes instead of query_write_control.
(fhandler_disk_file::utimes): New method.
(fhandler_disk_file::fhandler_disk_file): Add constructor with
path_conv parameter setting pc member immediately.
* fhandler_socket.cc (fhandler_socket::fchmod): Use new
fhandler_disk_file constructor.
(fhandler_socket::fchown): Ditto.
(fhandler_socket::facl): Ditto.
(fhandler_socket::link): Ditto.
(fhandler_socket::utimes): New method.
* times.cc: Include dtable.h.
(timeval_to_filetime): Make non-static.
(utimes): Move functionality into fhandler method utimes. Just call
this method from here.
* winsup.h: Simplify declarations of time helper functions.
(timeval_to_filetime): Add extern declaration.
(class fhandler_socket): Ditto.
(class fhandler_disk_file): Ditto.
* fhandler.cc (fhandler_base::open): Add FILE_WRITE_ATTRIBUTES
to query_write_control access flags.
(fhandler_base::link): New method.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Don't try to
open with O_WRONLY since query_write_control includes
FILE_WRITE_ATTRIBUTES.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::link): New method. Touch st_ctime on successful
link.
* fhandler_socket.cc (fhandler_socket::link): New method.
* syscalls.cc (link): Move functionality into fhandler method link.
Just call this method from here.
successful write.
* fhandler.h (fhandler_base::status_flags): Add 'has_changed' flag.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Call
fhandler_disk_file's own open and close instead of open_fs and
close_fs. Mark as changed on success.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
(fhandler_disk_file::ftruncate): Ditto.
(fhandler_base::open_fs): Mark as changed when O_TRUNC flag on existing
file is set.
(fhandler_disk_file::close): Set st_ctime if has_changed flag is set.
SETACL if no acls are available.
* fhandler.cc (fhandler_base::facl): Implement to return sensible
values on GETACL and GETACLCNT. Pretend successful SETACL.
* fhandler_virtual.cc (fhandler_virtual::facl): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::touch_ctime): New method
to set file's ctime.
(fhandler_disk_file::fchmod): Try opening file for writing first.
Set file's ctime on success.
(fhandler_disk_file::fchown): Ditto.
(fhandler_disk_file::facl): Ditto.
disk" device or fifo.
(fhandler_base::fchown): Ditto for changing ownership.
* fhandler_disk_file.cc (fhandler_base::fstat_helper): Accommodate device files
on ntfs partitions.
* path.cc (path_conv::check): Use isfs function to figure out if a path exists
on a filesystem to make sure that device files are caught.
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.
* 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.
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.
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.
* fhandler.h (fhandler_base::has_acls): Make pass through for path_conv method.
(fhandler_base::isremote): Ditto.
(fhandler_base::is_fs_special): Ditto.
(fhandler_base::has_attribute): Ditto. Define new function.
(fhandler_base::fhaccess): Declare new function based on access_worker.
(fhandler_base::set_has_acls): Eliminate obsolete function.
(fhandler_base::set_isremote): Ditto.
* fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into
fhandler_base class. Use fhandler methods to access data rather than path_conv
stuff.
(fhandler_base::device_access_denied): Use fhaccess method.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
(fhandler_base::open_fs): Remove calls to obsolete functions.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* winsup.h (access_worker): Remove obsolete access_worker declaration.
*syscalls.cc (access_worker): Move function to fhandler.cc.
(access): Use fhaccess method.
* pinfo.cc (_pinfo::set_ctty): Clarify debugging output.
* sigproc.cc (sig_dispatch_pending): Ditto.
* syscalls.cc (setsid): Perform minor rearrangement.
* syscalls.cc (access_worker): Accommodate extra fhandler_base argument. Use
it instead of stat_worker to determine stat information, when appropriate.
* fhandler.cc (fhandler_base::device_access_denied): Pass fhandler pointer to
access_worker so that it can use the proper method for determining stat
information.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
(NEW_FUNCTIONS): Add fcntl64.
* cygwin.din: Export fcntl64. Make fcntl being SIGFE.
* fcntl.cc (fcntl_worker): New function.
(fcntl64): New function.
(_fcntl): Call fcntl_worker. Convert 32 bit flock structure into
64 bit flock structure and vice versa.
* fhandler.cc (fhandler_base::lock): Change 2nd parameter to
struct __flock64 *.
* fhandler_disk_file.cc (fhandler_disk_file::lock): Ditto. Rework
to be 64 bit aware.
* fhandler.h: Accomodate above method argument changes.
* include/cygwin/types.h: Add struct __flock32 and __flock64.
Define struct flock according to setting of __CYGWIN_USE_BIG_TYPES__.
* include/cygwin/version.h: Bump API minor number.
h as h would be NULL at this point.
(cygthread::operator new): Issue debugging info when overflowing the thread
pool.
(cygthread::cygthread): Set ev from h here after h has been initialized.
* 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.
Accept an argument and calculate any extra links needed based on missing . and
.. entries.
(fhandler_disk_file::fstat_helper): Always call pc->ndisks_links() to calculate
the number of links.
* path.h (path_conv::ndisk_links): Declare.
not exist since cygwin simulates them.
(fhandler_cygdrive::fstat): Ditto.
(fhandler_cygdrive::readdir): Don't do any specific tests on __d_position when
seeing if a drive exists.
* include/sys/dirent.h (dirent): Remvoe old_d_ino.
(DIR): Make __d_dirhash a 64 bit value. Remove __d_data and __d_u. Add
__flags.
* dir.cc (opendir_states): New enum.
(opendir): Clear new DIR __flags field.
(readdir): Fill in '.' and '..' entries if we hit EOF and we haven't seen them
already. Nuke setting of old_d_ino.
(rewinddir): Reset DIR __flags field.
(seekdir64): Ditto.
* fhandler_disk_file.cc (fhandler_cygdrive::fhandler_cygdrive): Remove special
handling of "." and ".." since they are now handled automatically.
end of directory condition is encountered as per SUSv2.
* fhandler_proc.cc (fhandler_proc::readdir): Ditto.
* fhandler_process (fhandler_process::readdir): Ditto.
* fhandler_registry (fhandler_registry::readdir): Ditto.
is a tty associated with the process. Send SIGHUP on CTRL_LOGOFF_EVENT.
* fhandler_tty.cc (fhandler_tty_slave::open): Adjust console open handle
counter regardless of whether this is a pty or tty.
(fhandler_tty_slave::open): Ditto.
(fhandler_tty_slave::dup): Ditto.
(fhandler_tty_common::set_close_on_exec): Ditto.
(fhandler_tty_master::init_console): Decrement console open handle counter
after init since it will now be handled by all tty open.
* syscalls.cc (setsid): Rework debugging output slightly.
(fhandler_base::get_encoded): New function.
(fhandler_base::set_encoded): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set encoded flag in
fhandler, as appropriate.
(fhandler_disk_file::readdir): Unmunge filename as appropriate based on new
encoding flag.
* path.cc (normalize_posix_path): Don't punt on files with colons.
(special_char): New function.
(mount_item::fnmunge): Ditto.
(fnunmunge): Ditto.
(special_name): Ditto.
(mount_item::build_win32): Avoid drive considerations when file is encoded.
(mount_info::conv_to_win32_path): Handle encoded filenames.
(mount_info::conv_to_posix_path): Ditto.
(fillout_mntent): Add posix string when directory is encoded.
* path.h (fnunmunge): Declare.
(path_conv::is_encoded): Declare.
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
* fhandler_disk_file.cc (fhandler_disk_file::fstat): Mark the pc
as non-executable if the file cannot be opened for read. Retry query
open only if errno is EACCES. Never change the mode, even if it is 000
when query open() fails.
(fhandler_base::set_did_lseek): Rename from set_check_win95_lseek_bug.
(fhandler_base::get_did_lseek): Rename from get_check_win95_lseek_bug.
(fhandler_base::set_fs_flags): New method.
(fhandler_base::get_fs_flags): Ditto.
* fhandler.cc (fhandler_base::write): Make 64 bit clean. Convert file
to a "sparse" file when writing after a long lseek (>64K) beyond EOF.
(fhandler_base::lseek): Call set_did_lseek() instead of
set_check_win95_lseek_bug().
(fhandler_base::fhandler_base): Initialize fs_flags to 0.
* fhandler_disk_file.cc (fhandler_disk_file::open): Don't create files
as "sparse" unconditionally. Set fs_flags member.
* syscalls.cc (statfs): Call full_path.root_dir() instead of
rootdir(full_path). Use GetDiskFreeSpaceEx when available and
report space available in addition to free space.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_by_name):
Do not call FindFirstFile for disk root directories.
(get_nt_attribute): Only call read_sd and get_info_from_sd.
Return void.
(get_file_attribute): Move sd error handling to get_info_from_sd.
and symlink handling to fhandler_disk_file::fstat_helper.
(get_nt_object_attribute): Only call read_sd and get_info_from_sd.
Return void.
(get_object_attribute): Remove symlink handling and simply return -1
when ntsec is off.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): For
symlinks set the attribute, call get_file_attribute to get the ids
and return. In the normal case call get_file_attribute with the
addresses of the buffer ids and do not recheck if the file is a socket.
(fhandler_disk_file::open): Accept some filesystem specific stuff.
* sigproc.cc (wait_for_sigthread): Become slightly more thread safe.
(sig_send): Don't assume that signal thread is ready.
* 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.
* path.cc (iscygdrive): Disallow /cygdrive\x.
(normalize_posix_path): "Normalize" a windows path, if detected, rather than
converting to posix.
* fhandler_serial.cc (fhandler_serial::tcsetattr): Add support and capability
checking for B230400 bitrate.
(fhandler_serial::tcgetattr): Add support for B230400 bitrate.
* include/sys/termios.h: Add B230400 definition for Posix support of 230.4Kbps.
already taken care of that.
* fhandler_console.cc (fhandler_console::open): Initialize handles to NULL.
(fhandler_console::close): Ditto. GNUify non-GNU formatted functions calls
throughout.
may not end up in the pool.
(cygthread::new): Avoid race when checking for initialized. Add debugging
code.
* fhandler.cc (fhandler_base::raw_read): Add case for ERROR_INVALID_HANDLE due
to Win95 directories.
(fhandler_base::open): Handle errors due to Win95 directories.
(fhandler_base::close): Add get_nohandle () test.
(fhandler_base::set_close_on_exec): Ditto.
(fhandler_base::fork_fixup): Ditto.
(fhandler_base::lock): Change error code to Posix EINVAL.
(fhandler_base::dup): If get_nohandle (), set new value to INVALID_HANDLE_VALUE
instead of NULL.
* fhandler_disk_file.cc (fhandler_disk_file::fstat): Call fstat_by_name if
get_nohandle (). Remove extraneous element from strpbrk.
(fhandler_disk_file::open): Remove test for Win95 directory.
* fhandler_random.cc (fhandler_dev_random::open): Add set_nohandle ().
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
(fhandler_dev_zero::close): Delete.
* fhandler.h (class fhandler_dev_zero): Ditto.
Corinna Vinschen
Christopher Faylor
Pierre Humblet
Robert Collins