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newlib-cygwin/winsup/cygwin/ChangeLog

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2002-05-08 Corinna Vinschen <corinna@vinschen.de>
* cygheap.h (class cygheap_user): Add member `orig_psid'.
Add method `orig_sid()'.
* cygheap.cc (cygheap_user::set_sid): Maintain orig_psid.
2002-04-28 Norbert Schulze <norbert.schulze@web.de>
* localtime.cc (tzsetwall): Use wildabbr if generated timezone name
length < 3.
2002-05-05 Pierre Humblet <pierre.humblet@ieee.org>
* spawn.cc (spawn_guts): Move call to set_process_privilege()
to load_registry_hive().
* registry.cc (load_registry_hive): ditto.
* fork.cc (fork_parent): Call sec_user_nih() only once.
2002-05-04 Christopher January <chris@atomice.net>
* path.h (path_conv::path_conv): Initialise normalized_path to NULL.
2002-05-03 Christopher Faylor <cgf@redhat.com>
* net.cc (getdomainname): Change second argument of getdomainname to
size_t.
2002-05-03 Christopher January <chris@atomice.net>
* fhandler_proc.cc (proc_listing): Add '.' and '..' to directory
listing.
(fhandler_proc::open): Change use of mode to flags. If the file does
not exist already, fail with EROFS if O_CREAT flag is set. Change
EROFS error to EACCES error when writing to a file. Use cmalloc to
allocate memory for filebuf.
(fhandler_proc::close): Use cfree to free filebuf.
(fhandler_proc::get_proc_fhandler): Properly detect attempts to access
unknown subdir.
* fhandler_process.cc (process_listing): Add '.' and '..' to directory
listing.
(fhandler_process::open): Use cmalloc to allocate memory for filebuf.
(fhandler_process::close): Use cfree to free filebuf.
* fhandler_registry.cc (registry_listing): Add . and '..' to directory
listing.
(fhandler_registry::open): Move check for open for writing before
open_key. Use cmalloc to allocate memory for filebuf.
(fhandler_registry::close): Use cfree to free filebuf.
(fhandler_registry::telldir): Use lower 16 bits of __d_position as
position in directory.
(fhandler_registry::seekdir): Ditto.
* fhandler_virtual.cc (fhandler_virtual::write): Change EROFS error to
EACCES error.
(fhandler_virtual::open): Set the NOHANDLE flag.
(fhandler_virtual::dup): Add call to fhandler_base::dup. Allocate
child's filebuf using cmalloc. Copy filebuf from parent to child.
(fhandler_virtual::close): Use cfree to free filebuf.
(fhandler_virtual::~fhandler_virtual): Ditto.
(from Chris Faylor <cgf@redhat.com>).
(fhandler_registry::readdir): Add support for '.' and '..' files in
subdirectories of /proc/registry.
* path.cc (path_conv::check): Do not return ENOENT if a file is not
found in /proc.
2002-05-02 Christopher Faylor <cgf@redhat.com>
* fhandler_proc.cc (fhandler_proc::fstat): Use fhandler name rather
than path_conv name.
(fhandler_proc::open): Ditto.
* fhandler_process.cc (fhandler_process::fstat): Use fhandler name
rather than path_conv name.
(fhandler_process::open): Ditto.
* fhandler_registry.cc (fhandler_registry::fstat): Use fhandler name
rather than path_conv name.
(fhandler_registry::open): Ditto.
* path.cc (path_conv::check): Don't copy posix path when virtual.
(mount_info::conv_to_win32_path): Don't zero string when isproc. Just
derive normal windows path.
* path.h (path_conv::clear_normalized_path): Declare new method.
* path.cc (path_conv::clear_normalized_path): Define new method.
* dtable.cc (build_fhandler_from_name): Clear normalized path when
finished to conserve space.
2002-05-02 Christopher Faylor <cgf@redhat.com>
* fhandler_proc.cc (fhandler_proc::fstat): Prime with information from
fhandler_base::fstat. Use defines rather than constants for permission
settings.
2002-04-30 Eric Blake <ebb9@email.byu.edu>
* path.cc (hash_path_name): Improve hash function strength.
2002-05-02 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (__pthread_cond_dowait): Fix a race on signalling from a
thread woken by the same condition variable it's signalling on. Thanks
to Michael Beach for the report and test case.
2002-05-02 Christopher Faylor <cgf@redhat.com>
* path.h (pathconv_arg): Add PC_POSIX.
(path_conv): Add normalized_path field.
* path.cc (path_conv::~path_conv): New destructor.
(path_conv::check): Set normalized_path, where appropriate.
* dtable.cc (build_fhandler_from_name): Use normalized path from
path_conv.
* syscalls.cc (chroot): Ditto.
* cygheap.h: Remove path_prefix_p declaration.
2002-02-26 Christopher January <chris@atomice.net>
Christopher Faylor <cgf@redhat.com> (minor fixups)
* Makefile.in: Add fhandler_proc.o, fhandler_registry.o,
fhandler_process.o and fhandler_virtual.o.
* dtable.cc (dtable::build_fhandler): Add entries for FH_PROC,
FH_REGISTRY and FH_PROCESS. Set unix_name to the normalized posix
path.
* fhandler.h: Add constants for FH_PROC, FH_REGISTRY and FH_PROCESS.
Add class declarations for fhandler_virtual, fhandler_proc,
fhandler_registry and fhandler_virtual. Update fhandler_union
accordingly.
* fhandler_proc.cc: New file. Add implementation for fhandler_proc.
* fhandler_virtual.cc: New file. Add implementation for
fhandler_virtual.
* fhandler_process.cc: New file. Add implementation for
fhandler_process.
* fhandler_registry.cc: New file. Add implementation for
fhandler_registry.
* path.cc (isproc): New macro.
(isvirtual_dev): Ditto.
* path.cc (path_conv::check): Add check for virtual devices.
* path.cc (mount_info::conv_to_win32_path): Convert paths in /proc to
empty Win32 paths.
* path.cc (chdir): Replace check for FH_CYGDRIVE with more generic
isvirtual_dev macro. Force setting of posix path for virtual
fhandlers.
* path.h (path_prefix_p): Declare.
Wed May 1 16:06:02 2002 Jason Tishler <jason@tishler.net>
* include/cygwin/types.h: Include <sys/sysmacros.h>.
Wed Apr 17 11:27:04 2002 Jason Tishler <jason@tishler.net>
* security.cc (get_lsa_srv_inf): Prevent extraneous backslashes for
the NT Domain case.
2002-04-12 Corinna Vinschen <corinna@vinschen.de>
* net.cc (cygwin_accept): Set socket type for accepted socket.
(socketpair): Set socket type for both sockets.
2002-04-12 Egor Duda <deo@logos-m.ru>
* fhandler.h (class fhandler_socket): New member to store socket type.
(fhandler_socket::get_socket_type): Access it.
(fhandler_socket::set_socket_type): Ditto.
* net.cc (cygwin_socket): Store socket type.
(cygwin_connect): Disable security checks for connectionless sockets.
(cygwin_accept): Ditto.
2002-04-09 Mark Bradshaw <bradshaw@staff.crosswalk.com>
* cygwin.din: Add strptime.
* include/cygwin/version.h: Increment API version number.
2002-04-09 Corinna Vinschen <corinna@vinschen.de>
* fork.cc (fork_child): Call fixup_mmaps_after_fork() somewhat earlier.
2002-04-09 Corinna Vinschen <corinna@vinschen.de>
* fhandler.cc (fhandler_base::open): Set read-only bit in
file_attributes when adequate.
2002-03-28 Christopher Faylor <cgf@redhat.com>
* times.cc (gettimeofday): Fix typo in previous patch.
2002-03-27 Wu Yongwei <adah@netstd.com>
* times.cc (gettimeofday): Revert to setting timezone info if tz !=
NULL.
2002-03-21 Christopher Faylor <cgf@redhat.com>
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Always set
st_[ug]id to value derived from get_file_attributes.
2002-03-21 Christopher Faylor <cgf@redhat.com>
* spawn.cc (find_exec): Return input if file not found.
2002-03-19 Boris Schaeling <boriss@web.de>
* poll.cc (poll): Add support for invalid descriptors.
2002-03-15 Robert Collins <rbtcollins@hotmail.com>
* fhandler.h (fhandler_termios::lseek): Override lseek.
* fhandler_termios.cc (fhandler_termios::lseek): Implement this.
2002-03-15 Christopher Faylor <cgf@redhat.com>
* cygserver.cc: Include stdlib.h for exit declaration.
* threaded_queue.cc: Ditto.
2002-03-15 Christopher Faylor <cgf@redhat.com>
* pinfo.cc (pinfo::init): Use PID_ALLPIDS flag to control when a
redirected block should be marked as nonexistent.
(winpids::add): Use PID_ALLPIDS when looking for all pids.
* cygwin.h (PID_ALLPIDS): New enum element.
2002-03-15 Corinna Vinschen <corinna@vinschen.de>
* glob.c (stat32_to_STAT): New function.
(g_lstat): Call user space functions always with 32 bit struct stat
as a workaround.
(g_stat): Ditto.
* include/glob.h (struct glob): Don't prototype function pointers
when compiling Cygwin.
2002-03-14 Christopher Faylor <cgf@redhat.com>
* pinfo.cc (pinfo::init): Properly handle execed process stub when
PID_NOREDIR is specified.
2002-03-13 Boris Schaeling <boriss@web.de>
* poll.cc (poll): Remove variable open_fds. Rearrange and add code to
fix settings of revents.
2002-03-13 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (mmap_record::map_map): Return -1 if VirtualProtect fails.
(list::erase): New method with no argument. Erase latest record
added.
(mmap64): Fail if map_map() fails.
2002-03-12 Corinna Vinschen <corinna@vinschen.de>
* sysconf.cc (sysconf): Fix condition.
2002-03-11 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc (msync): Check area given by addr and len for being a
contigeous mmap'd region.
2002-03-11 Corinna Vinschen <corinna@vinschen.de>
* fork.cc (fork_child): Call fixup_mmaps_after_fork() before
closing parent process handle. Call fixup_mmaps_after_fork()
with parent process handle as parameter.
* mmap.cc (mmap_record::access): New method.
(fixup_mmaps_after_fork): Take process handle as parameter.
In case of FILE_MAP_COPY access, copy valid memory regions to child.
* pinfo.h (fixup_mmaps_after_fork): Change prototype accordingly.
2002-03-07 Corinna Vinschen <corinna@vinschen.de>
* autoload.cc (NetGetDCName): Add symbol.
(NetServerEnum): Remove symbol.
* security.cc (get_lsa_srv_inf): Call NetGetDCName() instead of
NetServerEnum() since it's faster. Don't call it at all if machine
is not a domain member.
2002-03-06 Christopher Faylor <cgf@redhat.com>
* path.cc (normalize_posix_path): Avoid runs of '.'s > 2.
2002-03-05 Christopher Faylor <cgf@redhat.com>
* errno.cc: Change EPERM associated text to "Operation not permitted"
throughout.
2002-03-05 Christopher Faylor <cgf@redhat.com>
* fhandler_socket.cc (fhandler_socket::close): Respond to signals while
looping, waiting for socket to close. Superstitiously clear last error
when WSAEWOULDBLOCK.
2002-03-05 Robert Collins <rbtcollins@hotmail.com>
* cygserver_transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
Always init - until static members work correctly.
* shm.cc (shmget): Initialize the security descriptor - thanks Corinna!
* include/sys/ipc.h: Make the ipc control constants partitioned off from the sem
control constants.
2002-03-04 Christian Lestrade <christian.lestrade@free.fr>
* include/sys/termios.h: Define _POSIX_VDISABLE. Define CCEQ macro.
* fhandler_termios.cc: Include <sys/termios.h>.
(line_edit): Recognize disabled c_cc[] chars. Ignore VDISCARD when
not in ICANON mode.
2002-03-04 Dmitry Timoshkov <dmitry@baikal.ru>
* syscalls.cc (truncate64): Use ftruncate64 directly to not lose
upper 32 bits.
2002-03-04 Robert Collins <rbtcollins@hotmail.com>
* cygserver_shm.cc (delete_shmnode): New function.
(client_request_shm::serve): Use it.
2002-03-04 Robert Collins <rbtcollins@hotmail.com>
* cygserver_shm.cc (client_request_shm::serve): Implement SHM_DETACH.
* shm.cc (shmdt): Implement.
2002-03-04 Robert Collins <rbtcollins@hotmail.com>
* cygserver_shm.cc: Run indent.
(deleted_head): New global for storing shm id's pending deletion.
(client_request_shm::serve): Return ENOSYS for invalid request types.
Implement SHM_DEL - delete a shm id.
* cygserver_shm.h (SHM_DEL): New type value.
* shm.cc (delete_inprocess_shmds): New function, does what it's name implies.
(shmctl): Implement shm_rmid control type.
2002-03-04 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in (install): Remove install-bin to allow make install to work.
2002-03-03 Robert Collins <rbtcollins@hotmail.com>
* shm.cc (shmat): Prevent a compile error.
(shmdt): Set errno as this function is incomplete.
2002-02-28 Christopher Faylor <cgf@redhat.com>
* times.cc: Remove if 0'd code. Clean up slightly.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* Merged cygwin_daemon into head minus the new shm and ipc exports.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* fhandler_tty.cc (fhandler_tty_slave::open): More debugging.
(fhandler_tty_slave::read): Fix printf type for the handle.
* tty.cc (tty::common_init): Add a FIXME for security.
2002-01-29 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in (OBJS): Remove duplicate localtime.o.
2002-01-17 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (check_and_dup_handle): Consolidate the two variants for
simplicity.
Add Some basic debug output.
(client_request_attach_tty::serve): Use the new debug_printf for clarity.
Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen
tty's.
2002-01-16 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (transport): Correct scope.
(client_request_attach_tty::serve): Add more debug information.
Fix erroneous use of transport instead of conn.
* cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
Mon Oct 8 7:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (server_request::process): Rename client_request_shm_get to
client_request_shm.
* cygserver_process.cc (process_cache::add): Rename to add_task.
Use process_cleanup instead of process_request.
(process_cache::remove_process): New method.
(process::process): Initialize new members.
(process::~process): New member.
(process::cleanup): New method.
(process::add_cleanup_routine): New method.
(process_request::process): Rename to process_cleanup.
Call the process object's cleanup method and then delete it.
(process_process_param::request_loop): Remove the signalling process.
* cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm_get::serve): Handle attach request counting.
* cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm.
(class shm_cleanup): New class.
* shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm::client_request_shm): New constructor for attach requests.
(shmat): Use it.
* include/cygwin/cygserver_process.h (class process_request): Rename to
process_cleanup.
(class cleanup_routine): New class.
(class process): New members and methods to allow calling back when the process
terminates.
Thu Oct 4 14:12:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (request_loop): Make static.
(main): Use new cache constructor syntax.
Start cache worker threads.
Cleanup the cache at shutdown.
* cygserver_process.cc: Run indent.
(process_cache::process_cache): Add a trigger to use when adding a process.
(process_cache::process): Move process_entry to process.
Insert at the end of the list.
Trigger the request loop when new process's inserted.
(process_cache::process_requests): Do it.
(process_cache::add): New method.
(process_cache::handle_snapshot): New method.
(process::process): Merge in the process_entry fields.
(process::handle): Make a stub function.
(process::exit_code): New method.
(process_request::process): New method.
(process_process_param::request_loop): New method.
* cygserver_shm.cc: New header dependency - threaded_queue.h.
* threaded_queue.cc (threaded_queue::cleanup): Clearer messages.
(queue_process_param::stop): Short spinlock on interruptible threads.
* threaded_queue.h (class threaded_queue): New constructor.
* include/cygwin/cygserver_process.h (process_request): New class.
(process_entry): Remove.
(process): Merge in process_entry.
(process_cache): Inherit from threaded_queue.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (class server_process_param): Use new constructor syntax.
* cygserver_process.cc (process_cache::~process_cache): New function.
* threaded_queue.cc: Define condition debug_printf.
Run indent.
(threaded_queue::cleanup): Move queue_process_param guts to a method.
(threaded_queue::process_requests): Ditto.
(queue_process_param::queue_process_param): New method.
(queue_process_param::~queue_process_param): Ditto.
(queue_process_param::start): Ditto.
(queue_process_param::stop): Ditto.
* threaded_queue.h (class queue_process_param): Add support for
interruptible request loops.
* cygwin/include/cygwin/cygserver_process.h (class process_cache): Add
destructor.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver_client.cc: New flag allow_daemon to disable the daemon completely.
(cygserver_request): Check it.
(cygserver_init): Ditto.
* environ.cc (parse_thing): Add (no)daemon option.
Tue Oct 2 23:00:00 2001 Robert Collins <rbtcollins@hotmail.com>
* shm.cc: Update to handle include changes from HEAD.
Tue Oct 2 16:06:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Remove cygserver_shm.o from cygwin1.dll.
Rename cygserver_shm_outside.o to cygserver_shm.o.
* cygserver.cc (server_request::process): Use the new client_request
constructor.
* cygserver_client.cc: Remove the #ifdef's stubs for the server method
within cygwin.
(client_request_attach_tty::client_request_attach_tty): Use the new
client_request constructor.
(client_request_shutdown::client_request_shutdown): Ditto.
(client_request::client_request): Ditto.
* cygserver_shm.cc (client_request_shm_get::serve): Remove the
#ifdef'd stub for in-cygwin builds.
(client_request_shm_get::client_request_shm_get): Use the new
client_request constructor, and remove the in-cygwin variants.
* cygserver_shm.h (class client_request_shm_get): #ifndef test the
serve method - it's only used in cygserver.
* shm.cc (client_request_shm_get::client_request_shm_get): New function.
* include/cygwin/cygserver.h (request_header): New constructor.
(class client_request): Use it.
New constructor accepting the header size.
#ifndef test the server method - it's only used within cygserver.
(client_request_get_version): #ifdef test the server method.
(client_request_shutdown): Ditto.
(client_request_attach_tty): Ditto.
Tue Oct 2 9:57:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: add threaded_queue.o to cygserver.exe.
* cygserver.cc: Include threaded_queue.h
(class server_request): Inherit from queue_request.
(class server_process_param): Inherit from queue_process_param.
(class server_request_queue): Inherit from threaded_queue.
(request_loop): Adjust for new types.
(server_request_queue::process_requests): Remove guts to
threaded_queue::process_requests.
(server_request::server_request): Adjust for new types.
(worker_function): Delete.
(server_request_queue::create_workers): Delete.
(server_request_queue::cleanup): Delete.
(server_request_queue::add): Move guts to threaded_queue::add.
* threaded_queue.cc: New file.
* threaded_queue.h: New file.
Mon Oct 1 12:38:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (client_request::serve): New function.
* cygserver_process.cc: Inlude <pthread.h> for pthread_once.
(process_cache::process_cache): Initialise a crtiical section for write access.
(process_cache::process): Use the critical section. Also add missing entries to
the cache.
(do_process_init): New function to initalise class process static variables.
(process::process): Ensure that the process access critical section is
initialised.
(process::handle): Close the handle of old process's when they have terminated
and we are returning the handle for a process with the same pid.
* cygserver_shm.cc: Run indent.
Include cygserver_process.h to allow process cache functionality.
(client_request_shm_get::serve): New parameter for process cache support.
Use the process cache, not OpenProcess to get a handle to the originating process.
Fix a handle leak with token_handle.
* cygserver_shm.h (class client_request_shm_get): Update ::serve for process
cache support.
* cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG.
* include/cygwin/cygserver.h: Do not implement client_request::serve in the
header.
* include/cygwin/cygserver_process.h (class process_cache): Add a write access
critical section to prevent races when requests from a multithreaded
application arrive.
Sun Sep 30 23:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_process.o to cygserver.exe.
* cygserver.cc: Include signal.h and cygwin_version.h.
Define debug_printf as a macro.
Define DEBUG to a value.
(client_request_attach_tty::serve): Add beginning of process cache support.
Change from #ifdef DEBUG to work with new DEBUG style.
(client_request_get_version::serve): Add beginning of process cache support.
(class server_request): New prototype for support of process cache.
(class queue_process_param): New class to allow request loop threading.
(class server_request_queue): Add beginning of process cache support.
Allow request loop threading.
(request_loop): Thread function for request loops.
(server_request_queue::process_requests): Initiator for threaded request loops.
(client_request_shutdown::serve): Add beginning of process cache support.
(server_request::server_request): Ditto.
(server_request::process): Use debug_printf. Add beginning of process cache
support.
(server_request_queue::cleanup): Kill off any request loop threads.
(server_request_queue::add): Add beginning of process cache support.
(handle_signal): Trigger a shutdown.
(main): Print out some useful info at startup - version, date time.
Add process cache support.
Spawn a separate thread for the transport request loop, thus allowing concurrent
support for multiple transports.
* cygserver_client.cc (client_request_get_version::serve): Add process cache
support.
(client_request_attach_tty::serve): Add process cache support.
(client_request_shutdown::serve): Add process cache support.
* cygsserver_process.cc: New file with the process cache support.
* cygserver_shm.cc: Redefine debug_printf to allow conditional output.
* cygwin.din: Export shmdt().
* shm.cc: Run indent.
Update FIXME's.
(shmdt): New function.
* include/cygwin/cygserver.h (class client_request): Add process cache support.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
* include/cygwin/cygserver_process.h: New header for process cache support.
Sun Sep 30 8:52:00 2001 Robert Collins <rbtcollins@hotmail.com>
* include/cygwin/cygserver_transport.h: Add copyright header.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
Sat Sep 29 20:40:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES.
Add cygserver_transport_sockets_outside.o to cygserver.exe.
* cygserver.cc: Include new include files.
* cygserver_client.cc: Ditto.
* cygserver_shm.h: No need to include <sys/socket.h> now.
* cygerver_transport.cc: Include new include files.
(transport_layer_base::transport_layer_base): Strip back to a stub.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport_pipes.cc: Include new header
"cygwin/cygserver_transport_pipes.h".
* cygserver_transport_sockets.cc: New file.
* dcrt0.cc: No need to include <sys/socket.h> now.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
* include/cygwin/cygserver_transport.h: Strip the base class to a stub.
Remove the cygserver_transport_pipes class.
* include/cygwin/cygserver_transport_pipes.h: New file.
* include/cygwin/cygserver_transport_sockets.h: New file.
Tue Sep 25 16:22:00 2001 Robert Collins <rbtcollins@hotmail.com>
* autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'.
* Makefile.in: Add new object files, and build instructions for cygserver.exe.
* cygwin.din: Export ftok, shmat, shmctl and shmget.
* dcrt0.cc: Additional includes for cygserver support.
(dll_crt0_1): Initialise the cygserver client.
* fhandler.h (fhandler_tty): New method cygserver_attach_tty.
* fhandler_tty.cc: Additional includes for cygserver support.
(fhandler_tty_slave::open): Attempt to use the cygserver when obtaining
handles from the parent process. On failure or 9x use the current method.
(fhandler_tty_slave::cygserver_attach_tty): New function.
* fork.cc (fork_child): Fixup shm memory mapped areas.
* pinfo.h: Declare fixup_shms_after_fork().
* security.h: Declare alloc_sd().
* tty.cc: Additonal includes to support cygserver.
(tty::common_init): Don't allow others to open us if the cygserver is running.
* winsup.h: Declare cygserver_running.
* cygserver.cc: New file.
* cygserver_client.cc: New file.
* cygserver_shm.cc: New file.
* cygserver_shm.h: New file.
* cygserver_transport.cc: New file.
* cygserver_transport_pipes.cc: New file.
* ipc.cc: New file.
* shm.cc: New file.
* include/cygwin/cygserver.h: New file.
* include/cygwin/cygserver_transport.h: New file.
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1.
(__sem_wait): Ditto.
(__sem_trywait): Ditto.
2002-02-27 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number.
2002-02-23 Corinna Vinschen <corinna@vinschen.de>
* cygwin.din (fstat64): New symbol.
(ftruncate64): Ditto.
(lseek64): Ditto.
(lstat64): Ditto.
(mmap64): Ditto.
(seekdir64): Ditto.
(stat64): Ditto.
(telldir64): Ditto.
(truncate64): Ditto.
* dir.cc (telldir64): New function.
(telldir): Call telldir64().
(seekdir64): New function.
(seekdir): Call seekdir64().
* fhandler.h: Redefine all methods using __off32_t to use __off64_t.
* fhandler.cc: Use __off64_t and struct __stat64 throughout.
* fhandler_clipboard.cc: Ditto.
* fhandler_disk_file.cc: Ditto.
* fhandler_dsp.cc: Ditto.
* fhandler_floppy.cc: Ditto.
* fhandler_mem.cc: Ditto.
* fhandler_random.cc: Ditto.
* fhandler_socket.cc: Ditto.
* fhandler_tape.cc: Ditto.
* fhandler_zero.cc: Ditto.
* pipe.cc: Ditto.
* glob.c: Ditto, call lstat64 and stat64 in Cygwin.
* mmap.cc: Use __off64_t throughout.
(mmap64): New function.
* sec_acl.cc (acl_worker): Use struct __stat64, call stat64 and lstat64.
* syscalls.cc (lseek64): New function.
(stat64_to_stat32): Ditto.
(fstat64): Ditto.
(stat64): Ditto.
(lstat64): Ditto.
(ftruncate64): Ditto.
(truncate64): Ditto.
(_fstat): Call fstat64.
(_stat): Call stat64.
(cygwin_lstat): Rename to avoid declaration problem. Call lstat64.
(stat_worker): Use struct __stat64.
(access): Ditto.
(ftruncate): Call ftruncate64.
(truncate): Call truncate64.
* wincap.cc: Set flag has_64bit_file_access appropriately.
* wincap.h: Add flag has_64bit_file_access.
* winsup.h (ILLEGAL_SEEK): Define as __off64_t.
(stat_dev): Declare using struct __stat64.
(stat_worker): Ditto.
* include/cygwin/stat.h (struct __stat32): Define if compiling Cygwin.
(struct __stat64): Ditto.
(struct stat): Revert definition with explicitly sized datatypes.
Eliminate sized field names.
* include/cygwin/types.h (blksize_t): New type.
(__blkcnt32_t): Ditto.
(__blkcnt64_t): Ditto.
(blkcnt_t): Ditto.
2002-02-22 Christopher Faylor <cgf@redhat.com>
* sync.h (new_muto): Just accept an argument which denotes the name of
the muto. Use this argument to construct static storage.
* cygheap.cc (cygheap_init): Reflect above change.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* cygheap.h (cwdstuff): Change name of lock element to make it less
generic.
* path.cc (cwdstuff::get_hash): Ditto.
(cwdstuff::get_initial): Ditto.
(cwdstuff::set): Ditto.
(cwdstuff::get): Ditto.
* sigproc.cc (proc_subproc): Ditto.
* debug.cc (lock_debug): Change to method. Use method rather than
macro throughout.
* tty.h (tty_min::kill_pgrp): Declare new method.
* fhandler_termios.cc (tty_min::kill_pgrp): New method.
(fhandler_termios::line_edit): Use new method for killing process.
* dcrt0.cc (do_exit): Ditto.
* dtable.cc (dtable::get_debugger_info): New method for inheriting
dtable info from a debugger.
* tty.cc (tty_init): Attempt to grab file handle info from parent
debugger, if appropriate.
# dtable.cc (dtable::stdio_init): Make this a method.
(dtable::init_std_file_from_handle): Don't set fd unless it's not open.
(dtable::build_fhandler_from_name): Move name setting to
dtable::build_fhandler.
(dtable::build_fhandler): Add win32 name parameter.
* dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init.
* dtable.h (dtable): Reflect build_fhandler parameter change.
* mmap.cc (mmap_record::alloc_fh): Don't set name parameter in
build_fhandler.
* net.cc (fdsock): Remove set_name call since it is now handled by
build_fhandler.
* sigproc.cc (proc_subproc): Release muto as early as possible.
2001-02-22 Corinna Vinschen <corinna@vinschen.de>
* smallprint.c (rn): Allow long long values.
(__small_vsprintf): Add 'D', 'U' and 'X' formats for long long
parameters.
2002-02-19 Christopher Faylor <cgf@redhat.com>
* fhandler.cc (fhandler_base::puts_readahead): Remove default parameter
setting. Newer gcc's complain about this.
(fhandler_base::set_readahead_valid): Ditto.
* fhandler_dsp.cc (Audio::open): Ditto.
(fhandler_dev_dsp::open): Ditto.
2002-02-19 Christopher Faylor <cgf@redhat.com>
* fork.cc (fork_parent): Use sec_user_nih to control process/thread
inheritance/permission.
* spawn.cc (spawn_guts): Ditto.
* security.cc (create_token): Initialize token so that it is not tested
for bogus value later. Use sec_user to control process/thread
creation.
* security.h (__sec_user): Rename declaration from sec_user.
(sec_user_nih): Declare here as inline function wrapper for __sec_user.
(sec_user): Ditto.
* sigproc.cc (czombies): Allocate a character array for zombies to
avoid constructor overhead
(extremely hackish, I know).
(cpchildren): Ditto.
(pchildren): New define.
(zombies): Ditto.
(getsem): Use sec_user_nih to control semaphore inheritance/permission.
2002-02-16 Christopher Faylor <cgf@redhat.com>
* times.cc (hires::prime): Restore thread priority on failure
condition.
* uinfo.cc (uinfo_init): Use more robust method for determining if
process was invoked from a non-cygwin process.
* sync.h (muto::init): Eliminate "inheritance" parameter.
(new_muto): Reflect removal of parameter.
* sync.cc (muto::init): Ditto.
* cygheap.cc (cygheap_init): Ditto.
* debug.cc (threadname_init): Ditto.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* grp.cc (group_lock): Use different method for locking with static
member.
(read_etc_group): REALLY ensure that read lock mutex is released.
* passwd.cc (passwd_lock): Use different method for locking with static
member.
(read_etc_passwd): REALLY ensure that read lock mutex is released.
* shared.cc (sec_user): Correct reversed inheritance test.
2002-02-15 Christopher Faylor <cgf@redhat.com>
* hires.h (hires::usecs): Rename from utime. Accept an argument.
* strace.cc (strace::microseconds): Use hires class for calculating
times.
* sync.h (new_muto): Use NO_COPY explicitly in declaration.
* times.cc (gettimeofday): Reflect change in usecs argument.
(hires::usecs): Ditto. Changed name from utime.
* winsup.h (NO_COPY): Add nocommon attribute to force setting aside
space for variable.
* regcomp.c (REQUIRE): Add a void cast to bypass a warning.
2002-02-15 Christopher Faylor <cgf@redhat.com>
* hires.h: New file.
* times.cc (gettimeofday): Use hires class for calculating current time.
(hires::prime): New method.
(hires::utime): Ditto.
2002-02-14 Christopher Faylor <cgf@redhat.com>
* include/sys/cygwin.h (cygwin_getinfo_types): New CW_STRACE_ACTIVE.
* external.cc (cygwin_internal): Handle CW_STRACE_ACTIVE.
2002-02-14 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (unused_sig_wrapper): Eliminate unused parameter to
asm.
* external.cc (cygwin_internal): Change CW_STRACE_ON to
CW_STRACE_TOGGLE.
* strace.cc (strace::hello): Toggle strace on and off.
* sync.cc (muto::init): Renamed from constructor.
* sync.h (muto::new): Delete.
(muto::delete): Ditto.
(new_muto): Simplify. Use muto.init for nearly everything.
* uinfo.cc (uinfo_init): Avoid closing a NULL handle.
* include/sys/cygwin.h (cygwin_getinfo_types): Rename CW_STRACE_OFF to
CW_STRACE_TOGGLE. Delete CW_STRACE_OFF.
* include/sys/strace.h (strace): Add "inited" field.
2001-02-12 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/acl.h: Fix definition of aclent_t.
2002-02-10 Christopher Faylor <cgf@redhat.com>
* Makefile.in (DLL_OFILES): Consolidate object files.
2002-02-10 Corinna Vinschen <corinna@vinschen.de>
* child_info.h, cygheap.h, fhandler_clipboard.cc, fhandler_dsp.cc,
fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
security.h, thread.h, uinfo.cc, include/cygwin/acl.h: Fix copyright.
2002-02-10 Corinna Vinschen <corinna@vinschen.de>
* child_info.h, cygheap.h, dcrt0.cc, dir.cc, fhandler.cc, fhandler.h,
fhandler_clipboard.cc, fhandler_disk_file.cc, fhandler_dsp.cc,
fhandler_floppy.cc, fhandler_mem.cc, fhandler_random.cc,
fhandler_tape.cc, fhandler_zero.cc, grp.cc, mmap.cc, passwd.cc,
pinfo.cc, pinfo.h, pipe.cc, sec_acl.cc, sec_helper.cc, security.cc,
security.h, spawn.cc, syscalls.cc, thread.h, uinfo.cc, winsup.h:
Change usage of uid_t to __uid16_t, gid_t to __gid16_t and
off_t to __off32_t throughout. Use INVALID_UID, INVALID_GID and
INVALID_SEEK instead casting -1 to the appropriate type.
* winsup.h: Define INVALID_UID, INVALID_GID and INVALID_SEEK.
* include/cygwin/acl.h: Define internal __aclent16_t and __aclent32_t
types. Don't declare acl functions when compiling Cygwin.
* include/cygwin/grp.h: Declare getgrgid() and getgrnam() with
correct types for internal usage.
2002-02-10 Corinna Vinschen <corinna@vinschen.de>
Patch suggested by Pierre A. Humblet <Pierre.Humblet@ieee.org>:
* uinfo.cc (internal_getlogin): Try evaluating user by SID even if
ntsec is off.
(uinfo_init): Set primary group even if ntsec is off.
2002-02-09 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/grp.h: New file.
* include/cygwin/stat.h: Ditto.
* include/cygwin/types.h: Add definitions for __off32_t,
__off64_t, off_t, __uid16_t, __uid32_t, uid_t, __gid16_t,
__gid32_t and gid_t.
* include/sys/cygwin.h: Use correct uid and gid types.
2002-02-09 Corinna Vinschen <corinna@vinschen.de>
* dtable.cc (dtable::dup2): Revert previous patch.
* fhandler.h: Ditto.
(fhandler_socket::recv): Define new method.
(fhandler_socket::send): Ditto.
* fhandler_socket.cc (fhandler_socket::recv): New method.
(fhandler_socket::send): Ditto.
(fhandler_socket::read): Call fhandler_socket::recv() now.
(fhandler_socket::write): Call fhandler_socket::send() now.
* net.cc (class wsock_event): Move definition to wsock_event.h.
(fdsock): Revert previous patch.
(cygwin_recv): Move implementation to fhandler_socket::recv().
(cygwin_send): Move implementation to fhandler_socket::send().
* wsock_event.h: New file.
2002-02-06 Alexander Gottwald <Alexander.Gottwald@s1999.tuchemnitz.de>
* net.cc (get_2k_ifconf): Create interface entries for tokenring cards.
2002-02-08 Corinna Vinschen <corinna@vinschen.de>
* dtable.cc (dtable::dup2): Store fd for fhandler_socket.
* fhandler.h (fhandler_base::set_fd): New virtual method.
(fhandler_base::get_fd): Ditto.
(fhandler_socket::set_fd): Ditto.
(fhandler_socket::get_fd): Ditto.
* fhandler_socket.cc (fhandler_socket::read): Call cygwin_recv instead
of native Winsock recv.
(fhandler_socket::write): Call cygwin_send instead of native Winsock
send.
* net.cc (fdsock): Store fd in fhandler_socket.
2002-02-07 Corinna Vinschen <corinna@vinschen.de>
* net.cc (cygwin_getsockname): Fix handling of NULL sun_path.
2002-01-29 Corinna Vinschen <corinna@vinschen.de>
* net.cc (getdomainname): Fix registry key for 9x systems, too.
2002-01-29 Corinna Vinschen <corinna@vinschen.de>
* net.cc (getdomainname): Fix registry key for NT systems.
2002-01-28 Christopher Faylor <cgf@redhat.com>
* external.cc (cygwin_internal): Initialize various internal settings
if required to allow use of some things from user loaded DLL.
(CW_STRACE_ON): Add new feature.
(CW_CYGWIN_PID_TO_WINPID): Ditto.
* pinfo.cc (set_myself): Call "strace.hello" to initiate possible
strace session.
(pinfo::init): Guard against dereferencing uninitialized myself.
* sigproc.cc (wait_sig): Call strace.hello() when __SIGTRACE "signal"
received.
* strace.cc (strace::hello): New method.
* wincap.cc (wincapc::init): Avoid initializing if already initialized.
* wincap.h (wincapc::wincapc): New method.
* include/sys/cygwin.h: Add new CW_ enums. Kludge typedefs of
{g,u}id_t if required.
* strace.h (strace::hello): Declare new method.
2002-01-28 Earnie Boyd <earnie@users.sf.net>
* include/sys/strace.h (_STRACE_ON): Define.
(_STRACE_OFF): Ditto.
2002-01-24 Christopher Faylor <cgf@redhat.com>
* speclib: Ensure that temporary def file is removed.
2002-01-23 Christopher Faylor <cgf@redhat.com>
* speclib: Use rm -f to remove temp file just to quiet any potential
warnings.
2002-01-23 Corinna Vinschen <corinna@vinschen.de>
* security.cc (create_token): Use sec_user() to create
SECURITY_ATTRIBUTES structure for primary token. Use
MAXIMUM_ALLOWED access rights instead of TOKEN_ALL_ACCESS.
2002-01-23 Corinna Vinschen <corinna@vinschen.de>
* path.cc (symlink): Fix check for already existing file.
2002-01-21 Christopher Faylor <cgf@redhat.com>
* cygmagic: Suppress error output when figuring out if sum takes an
option.
2002-01-21 Christopher Faylor <cgf@redhat.com>
* cygmagic: Attempt to figure out if sum takes an option.
2002-01-21 DJ Delorie <dj@redhat.com>
* Makefile.in (libpthread.a): Pass the assembler also.
(libm.a): Ditto.
(libc.a): Ditto.
* speclib: Specify the assembler to dlltool.
2002-01-21 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number.
2002-01-21 Corinna Vinschen <corinna@vinschen.de>
* grp.cc (getgrgid): Don't return default gid entry when ntsec is on.
* syscalls.cc (setegid): Don't set primary group in process token.
2002-01-21 Christopher Faylor <cgf@redhat.com>
* speclib: Don't use /dev/null as DLL name. Just default to what's
already in .def file.
2002-01-21 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sig_handle): Remove last vestiges of SA_NOCLDSTOP code
which caused SIGCHLD to be ignored.
2002-01-20 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number.
2002-01-20 Christopher Faylor <cgf@redhat.com>
* syscalls.cc (regfree): Make dll_export.
2002-01-20 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (ctrl_c_handler): Convert windows pid to cygwin pid
when detecting if we should actually handle CTRL-C.
2002-01-19 Christopher Faylor <cgf@redhat.com>
* Makefile.in (new-cygwin1.dll): Revert previous change. libsupc++.a
is only available in libstdc++-v3.
2002-01-19 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sig_handle_tty_stop): Don't send SIGCHLD if parent
doesn't want it.
(sig_handle): Don't check for SA_NOCLDSTOP here. We don't have enough
information.
2002-01-19 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number.
2002-01-19 Christopher Faylor <cgf@redhat.com>
* Makefile.in (new-cygwin1.dll): Just use -lsupc++ for link.
* sigproc.cc (proc_exists): Change existence criteria.
* sync.h (new_muto): Add volatile to definition to avoid gcc
optimization problems.
2002-01-19 Corinna Vinschen <corinna@vinschen.de>
* include/cygwin/version.h: Bump API minor version to 51.
2002-01-19 Mark Bradshaw <bradshaw@staff.crosswalk.com>
* cygwin.din: Add recvmsg and sendmsg.
* net.cc: Add cygwin_recvmsg and cygwin_sendmsg.
* /usr/include/sys/socket.h: Add recvmsg and sendmsg.
2002-01-19 Corinna Vinschen <corinna@vinschen.de>
* security.cc (create_token): Close processes token handle as soon
as it's not used anymore.
2002-01-17 Corinna Vinschen <corinna@vinschen.de>
* Makefile.in: Add fnmatch.o to DLL_OFILES.
* cygwin.din: Add fnmatch export symbol.
* fnmatch.c: New file.
* include/fnmatch.h: Ditto.
* include/cygwin/version.h: Bump API minor version to 50.
2002-01-15 Corinna Vinschen <corinna@vinschen.de>
* path.cc (fchdir): Call chdir with full windows path.
2002-01-14 Corinna Vinschen <corinna@vinschen.de>
* dir.cc: Use INVALID_FILE_ATTRIBUTES instead of "(DWORD) -1"
for file attributes throughout.
* fhandler.cc: Ditto.
* fhandler_disk_file.cc: Ditto.
* path.cc: Ditto.
* path.h: Ditto.
* syscalls.cc: Ditto.
* times.cc (utimes): Use path_conv::isdir() instead of explicit
GetFileAttributes() call.
2002-01-13 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (multiple_cygwin_problem): Clarify logic and make
CYGWIN_MISMATCH_OK more powerful.
2002-01-10 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sig_handle): Accept a second argument indicating
whether the signal came from this process or not.
* sigproc.h: Reflect sig_handle arg change.
* signal.cc (kill_pgrp): Add sigframe info.
(abort): New function. Eliminates newlib function of same name.
* sigproc.cc (wait_sig): Pass "signal from this process" value as arg
2.
2002-01-10 Corinna Vinschen <corinna@vinschen.de>
* syscalls.cc (pathconf): Guard _PC_PATH_MAX branch against invalid
file parameter.
2002-01-09 Christopher Faylor <cgf@redhat.com>
Robert Collins <rbtcollins@hotmail.com>
* exceptions.cc (early_stuff_init): Rename from misnamed
set_console_handler.
(ctrl_c_handler): Attempt to work around potential signal duplication
during process startup.
(sig_handle): Ignore SIGINT when we're just an "exec stub".
* spawn.cc (spawn_guts): Store pid of spawned process in global for use
by ctrl_c_handler.
* dcrt0.cc (dll_crt0_1): Call renamed initialization function.
* winsup.h: Reflect function name change.
2002-01-08 Corinna Vinschen <corinna@vinschen.de>
* net.cc (cygwin_accept): Set sun_path for newly connected socket.
2002-01-07 Ralf Habacker <Ralf.Habacker@freenet.de>
* Makefile.in: Add uninstall target.
2002-01-07 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (getsem): Clean up debugging output.
2002-01-07 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (getsem): Set errno when unable to create own semaphore.
Reorganize to make clearer that error should only come from initial
creation of process semaphore.
2002-01-06 Christopher Faylor <cgf@redhat.com>
* dtable.cc (dtable::init_std_file_from_handle): Add some defensive
code to invalid handle case.
2002-01-06 Corinna Vinschen <corinna@vinschen.de>
* ioctl.cc (ioctl): Make third argument optional.
* include/sys/ioctl.h: Ditto in declaration.
* dtable.cc (dtable::init_std_file_from_handle): Revert previous
bogus patch.
* window.cc (WndProc): Raise SIGURG instead of SIGIO in case of FD_OOB
message.
2002-01-05 Christopher Faylor <cgf@redhat.com>
* dir.cc (opendir): Guarantee release of alloced fhandler structure on
error.
2002-01-05 Corinna Vinschen <corinna@vinschen.de>
* exceptions.cc (sig_handle): Set default action for SIGURG to SIG_IGN.
2002-01-05 Corinna Vinschen <corinna@vinschen.de>
* dtable.cc (dtable::init_std_file_from_handle): Don't treat NULL
handle as errorneous.
2002-01-04 Christopher Faylor <cgf@redhat.com>
* cygmagic: Change logic for equality test.
2002-01-04 Christopher Faylor <cgf@redhat.com>
* dir.cc (opendir): Don't attempt to call sub-opendir if ENOENT.
2002-01-04 Corinna Vinschen <corinna@vinschen.de>
* net.cc: Replace usage of AF_UNIX by Posix compliant AF_LOCAL
throughout.
(socketpair): Explicitly allow SOCK_STREAM and SOCK_DGRAM socket types
in families AF_UNIX and AF_LOCAL. Explicitly allow PF_UNSPEC, PF_LOCAL
and PF_INET protocols. Return error otherwise. Implement datagram
socketpairs.
2002-01-01 Christopher Faylor <cgf@redhat.com>
* speclib: Remove temp files automatically.
2002-01-01 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (fhandler_socket::sun_path): New private member.
(fhandler_socket::set_sun_path): New method.
(fhandler_socket::get_sun_path): Ditto.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
sun_path to NULL.
(fhandler_socket::~fhandler_socket): Free sun_path if needed.
(fhandler_socket::set_sun_path): New method.
* net.cc (cygwin_bind): Set sun_path to path of local socket file.
(cygwin_getsockname): Add code to return correct sockaddr for unix
domain sockets.
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