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.
* pinfo.cc (_pinfo::set_ctty): to here.
* fhandler_mem.cc (fhandler_dev_mem::fstat): Don't fill out structure if this
is an on-disk device rather than an "auto" device.
* fhandler_raw.cc (fhandler_dev_raw::fstat): Ditto.
* path.cc (normalize_posix_path): Don't treat a standalone '//' as introducing
a UNC path.
(normalize_win32_path): Ditto.
* pinfo.h (_pinfo::exists): Declare "new" function.
(_pinfo::kill): Ditto.
* fhandler_termios.cc (tty_min::kill_pgrp): Use _pinfo::exists rather than
proc_exists.
* pinfo.cc (pinfo::init): Ditto. Don't do a low_priority_sleep(0) when looping
to find exec'ed procinfo.
(pinfo::release): Be more careful about unmapping and closing.
* signal.cc (_pinfo::kill): Rename from kill_worker. Accommodate entry into
_pinfo class.
(kill0): Use _pinfo::kill rather than kill_worker.
(kill_pgrp): Ditto. Use _pinfo::exists rather than proc_exists.
* sigproc.cc (_pinfo::exists): Rename from proc_exists.
(pid_exists): Use _pinfo::exists rather than proc_exists.
(remove_proc): Ditto.
* sigproc.h (proc_exists): Delete declaration.
with additional flags parameter. Change offset parameter to _off64_t.
(class fhandler_disk_file): Ditto.
(class fhandler_dev_mem): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork):
Accomodate new parameters.
* mmap.cc: Include ntdll.h.
(class mmap_record): Add flags member.
(mmap_record::mmap_record): Add flags parameter.
(mmap_record::get_flags): New method.
(class map): Add next_anon_addr member to store next anonymous mapping
address suggestion.
(map::get_next_anon_addr): New method.
(map::set_next_anon_addr): New method.
(mmap64): Don't align offset and length to granularity in case of
MAP_ANONYMOUS on NT. Check for already existing mapping only on 9x.
Call mmap_record::mmap_record with additional flags argument.
(fhandler_base::fixup_mmap_after_fork): Accomodate new parameters.
(fhandler_disk_file::mmap): Use NtMapViewOfSection with
AT_ROUND_TO_PAGE flag for anonymous mappings on NT. If addr is NULL,
try to map adjacent to previous mapping.
(fhandler_disk_file::fixup_mmap_after_fork): Add flags argument.
Change offset parameter to _off64_t. Use NtMapViewOfSection to
re-create anonymous mappings on NT.
(fixup_mmaps_after_fork): Accomodate new parameters when calling
fhandler's fixup_mmaps_after_fork function.
* ntdll.h (AT_ROUND_TO_PAGE): New define.
address parameter.
(mmap_record::map_pages): New method with address parameter.
(mmap64): Evaluate access mode before checking if already existing
mapping can be used.
Only use existing mapping if requested access mode matches the one
in the existing mapping.
Add check for existing mapping for MAP_FIXED case.
(dirname): Export.
* path.cc (basename): New function.
(dirname): New function.
* include/libgen.h: New file.
* include/cygwin/version.h: Bump API minor version.
* fhandler.cc (fhandler_base::fsync): Return with EINVAL if no
handle is available.
* syscalls.cc (fdatasync): Create export alias to fsync.
* include/cygwin/version.h: Bump API minor version.
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.
(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.
(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.
fchmod and facl.
* fhandler_socket.cc (fhandler_socket::fstat): Handle AF_LOCAL
sockets.
(fhandler_socket::fchmod): New method.
(fhandler_socket::fchown): New method.
(fhandler_socket::facl): New method.
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.
(cygthread::terminate_thread): Eliminat racy code which reset ev and
thread_sync. Remove a few nonsensical inuse checks. Exit at the bottom.
(cygthread::detach): Rewrite to again try to ensure that we don't say we're
signalled when we are not signalled.
* fhandler.cc (fhandler_base::raw_read): Revert to signalling read success
quickly.
* pipe.cc (fhandler_pipe::close): Use base method to close handle.
* sigproc.h (WAIT_SIG_PRIORITY): Just trundle along at normal priority to allow
the pipe thread to do its thing if possible.
* pinfo.h (pinfo::zap_cwd): Declare new function.
(pinfo::zap_cwd): Move 'cd out of the way code' here.
(pinfo::exit): Use it here.
* spawn.cc (spawn_guts): And here.
* cygthread.cc (cygthread::detach): Be more careful about ensuring that sigwait
is properly waited for to avoid later missynchronization.
(cygthread::terminate_thread): Return true if thread was actually terminated
and all handles were closed.
* fhandler_base.cc (fhandler_base::raw_read): Use signal_read_state rather than
raw calls to win32 api.
(fhandler_base::read): Ditto.
* fhandler.h (fhandler_pipe::fixup_after_exec): Use method to create read_state
signalling.
(fhandler_pipe::create): Ditto.
* Makefile.in: Make some more files -fomit-frame-pointer.
event in the event that the thread was actually in the process of exiting.
* pipe.cc (fhandler_pipe::dup): read_state is not supposed to be inheritable.
Fix that.
* path.cc (path_conv::check): Set symlen = 0 to avoid a compiler warning.
* devices.h (devices::parsedisk): Declare new function.
* devices.in (devices::parsedisk): Define new function.
* dtable.cc (dtable::init_std_file_from_handle): Use device numbers rather than
name.
* fhandler_proc.cc (format_proc_partitions): Use parsedisk to generate disk
names from numeric codes. (This was broken on two of my systems previously and
is still broken now)
"device:" entry.
* fhandler.h (fhandler_socket::open): New method.
(fhandler_pipe::open): New method.
* fhandler_proc.cc (fhandler_proc::exists): Return -2 in case of
/proc/self.
* fhandler_process.cc (fhandler_process::exists): Return -2 in
case of symlinks, -3 for pipes and -4 for sockets.
(fhandler_process::fstat): Handle pipes and sockets.
(fhandler_process::open): Handle opening /proc/<pid>/fd.
(fhandler_process::fill_filebuf): Generate empty names for
non exisiting file descriptors.
* fhandler_socket.cc (fhandler_socket::get_proc_fd_name): Always
generate "socket:[number]" strings as on Linux.
(fhandler_socket::open): New method.
(fhandler_socket::fstat): Always return socket type.
* path.cc (symlink_info::set): Remove unused second parameter.
(path_conv::check): Handle pipes and sockets in /proc.
Set correct device type for AF_LOCAL sockets.
* pinfo.cc (_pinfo::commune_recv): Generate empty names for
non exisiting file descriptors.
(_pinfo::fd): Ditto.
* pipe.cc (fhandler_pipe::open): New method.
Corinna Vinschen
Christopher Faylor