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.
iov_len.
(check_iovec_for_write): Ditto.
* fhandler.h (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* fhandler.cc (fhandler_base::readv): New method.
(fhandler_base::writev): Ditto.
* syscalls.cc (_read): Delegate to readv(2).
(_write): Ditto, mutatis mutandi.
(readv): Rewrite, based on the old _read code, to use the new
fhandler_base::readv method. Improve access mode handling and ensure all calls
reach the final strace statement.
(writev): Ditto, mutatis mutandi.
* include/sys/uio.h (struct iovec): Change field types to match SUSv3.
* winsup.h (check_iovec_for_read): New function.
(check_iovec_for_write): Ditto.
* miscfuncs.cc (check_iovec_for_read): Ditto.
(check_iovec_for_write): Ditto.
* fhandler_console.cc (set_console_state_for_spawn): Remove if 0'ed code.
(fhandler_console::send_winch_maybe): Define new method.
(fhandler_console::read): Use send_winch_maybe where appropriate.
(fhandler_console::init): Just call all tcsetattr rather than output_tcsetattr.
* select.cc (peek_console): Reorganize so that send_winch_maybe is called for
everything but keyboard input.
* cygthread.h (cygthread::exit_thread): Declare new method.
* fhandler.h (fhandler_tty_master::hThread): Delete.
(fhandler_tty_master::output_thread): Define.
* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Adjust
constructor.
(fhandler_tty_master::init): Use cygthread rather than handle.
(process_output): Use cygthread method to exit.
(fhandler_tty_master::fixup_after_fork): Set output_thread to NULL after fork.
(fhandler_tty_master::fixup_after_exec): Set output_thread to NULL after
spawn/exec.
* tty.cc (tty_list::terminate): Detach from output_thread using cygthread
method.
the class - rts,dtr and method ioctl(). Variables rts and dtr
important for Win 9x only.
* fhandler_serial.cc (fhandler_serial::open): Add initial setting
of dtr and rts. Important for Win 9x only.
(fhandler_serial::ioctl): New function. Implements commands TIOCMGET,
TIOCMSET and TIOCINQ.
(fhandler_serial::tcflush): Fixed found error.
(fhandler_serial::tcsetattr): Add settings of rts and dtr. Important
for Win 9x only.
* termios.h: Add new defines as a support for ioctl() function
on serial device.
(fhandler_socket::is_connect_pending): Ditto.
(fhandler_socket::is_connected): Ditto.
(fhandler_socket::set_connect_state): New method.
(struct select_record): Add member `except_on_write'.
(select_record::select_record): Initialize all bool values to `false'.
* fhandler_socket.cc: Use set_connect_state() method throughout.
(fhandler_socket::connect): Set state always to connected if connection
isn't pending.
* net.cc (cygwin_getsockopt): Revert erroneous previous patch.
* select.cc (set_bits): Check for `except_on_write'. Set fd in
write_fds if set. Set connect state to connected if fd has been
returned by WINSOCK_SELECT.
(peek_socket): Check for `except_on_write'.
(start_thread_socket): Ditto.
(fhandler_socket::select_write): Don't set `write_ready' if connect
is pending. Set `except_on_write' if connect is pending.
(CONNECT_PENDING): Ditto.
(CONNECTED): Ditto.
(class fhandler_socket): Add member `had_connect_or_listen'.
Add member functions `is_unconnected', `is_connect_pending' and
`is_connected'.
* fhandler_socket.cc (fhandler_socket::connect): Set member
`had_connect_or_listen' according to return code of WinSock
call.
(fhandler_socket::listen): Ditto.
* net.cc (cygwin_getsockopt): Modify SO_ERROR return value in
case of socket with pending connect().
* select.cc (peek_socket): Only add socket to matching fd_set
if it's not "ready". Call WINSOCK_SELECT only if at least one
socket is in one of the fd_sets.
(start_thread_socket): Only add socket to matching fd_set
if it's not "ready".
(fhandler_socket::select_write): Set write_ready to true also
if socket isn't connected or listening.
(RegQueryInfoKeyA): Ditto.
* fhandler.h (fhandler_virtual::fill_filebuf): Change return type to bool.
(fhandler_proc::fill_filebuf): Ditto.
(fhandler_registry::fill_filebuf): Ditto.
(fhandler_process::fill_filebuf): Ditto.
(fhandler_registry::value_name): Add new member.
(fhandler_registry::close): Add new method.
(fhandler_process::p): Remove member.
* fhandler_proc.cc (fhandler_proc::open): Add set_nohandle after calling
superclass method. Check return value of fill_filebuf.
(fhandler_proc::fill_filebuf): Change return type to bool. Add return
statement.
* fhandler_process.cc (fhandler_process::open): Add set_nohandle after calling
superclass method. Remove references to p. Check return value of
fill_filebuf.
(fhandler_process::fill_filebuf): Change return type to bool. Don't use
dereference operator on p. Add return statement.
(fhandler_process::format_process_stat): Fix typo.
* fhandler_registry.cc: Add static open_key declaration.
(fhandler_registry::exists): Assume path is already normalised. Try opening
the path as a key in its own right first, before reverting to enumerating
subkeys and values of the parent key.
(fhandler_registry::fstat): Add additional code to return more relevant
information about the registry key/value.
(fhandler_registry::readdir): Explicitly set desired access when opening
registry key. Remove output of buf from debug_printf format string.
(fhandler_registry::open): Use set_io_handle to store registry key handle. Set
value_name member. Move code to read a value from the registry to
fill_filebuf. Add call to fill_filebuf.
(fhandler_registry::close): New method.
(fhandler_registry::fill_filebuf): Change return type to bool. Add code to
read a value from registry.
(fhandler_registry::open_key): Make function static. Use KEY_READ as desired
access unless this is the last path component. Check the return value of
RegOpenKeyEx for an error instead of hKey.
* fhandler_virtual.cc (fhandler_virtual::lseek): Check the return value of
fill_filebuf.
(fhandler_virtual::open): Remove call to set_nohandle.
(fhandler_virtual::fill_filebuf): Change return type to bool. Add return
statement.
* security.cc (get_nt_object_attribute): New function.
(get_object_attribute): New function.
* security.h (get_object_attribute): New function declaration.
(fhandler_process::fstat): Remove unneeded array. Set pid element.
(fhandler_process::open): Ditto.
(fhandler_process::fill_filebuf): Handle case where 'p' field is NULL.
(fhandler_process:fill_filebuf): Revert to same definition as virtual in parent
class.
(fhandler_process::open): Fill out p field rather than passing as an argument.
(fhandler_process::fill_filebuf): Use p pointer rather than argument.
* fhandler.h: Move fcntl.h include here.
(fhandler_base::set_flags): Accept supplied_bin argument. Make non-inlined.
* dtable.cc (dtable::init_std_file_from_handle): Just use binmode from pc.
(reset_to_open_binmode): Use set_flags.
* cygwin.din (open): Avoid newlib wrapper.
(read): Ditto.
(unlink): Ditto.
(write): Ditto.
* fhandler.cc (fhandler_base::set_flags): Accept supplied_bin argument. Make
binmode decisions here.
(fhandler_base::open): Avoid using pc if it is NULL. Eliminate binmode logic.
Just call set_flags with binmode argument.
(fhandler_base::init): Call set_flags with binmode argument.
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
(fhandler_console::init): Force binary on open.
* fhandler_disk_file.cc (fhandler_disk_file::open): Don't set binmode here.
Let it happen in base class.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Force binmode open. Set return
value appropriately if unable to open.
* fhandler_proc.cc (fhandler_proc::open): Make sure flags are set before
open_status.
* fhandler_process.cc (fhandler_process::open): Ditto.
* fhandler_registry.cc (fhandler_registry::open): Ditto.
* fhandler_random.cc (fhandler_dev_random::fhandler_dev_random): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::open): Force O_BINARY by default.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
(fhandler_pty_master::open): Ditto.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* fhandler_windows.cc (fhandler_windows::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
* net.cc (fdsock): Ditto.
* path.cc (path_conv::check): Avoid checking for extension when error or
directory.
(set_flags): Set PATH_TEXT explicitly, when appropriate.
(mount_info::conv_to_win32_path): Use set_flags() to set path flags.
* path.h (PATH_TEXT): New enum.
(path_conv::binmode): Return appropriate constant based on binmode.
* pipe.cc (make_pipe): Set binmode to O_TEXT xor O_BINARY.
* syscalls.cc (setmode_helper): Make debugging message a little clearer.
(setmode): Set binmode via set_flags.
fixup_after_fork (bool, HANDLE).
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Move
functionality to new private method. Add closing parent socket
if not called from dup(). Create method new calling private method
with appropriate parameter.
(fhandler_socket::fixup_after_exec): Call private method
fixup_after_fork with appropriate parameter.
(fhandler_socket::dup): Ditto.
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
(LoadFuncEx2): Adapted from LoadFuncEx. Provides control of return value for
nonexistent function.
(NtQueryObject): Declare.
(IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not
available.
* debug.h (being_debugged): Just rely on IsDebuggerPresent return value.
* dtable.cc (handle_to_fn): New function.
(dtable::init_std_file_from_handle): Attempt to derive std handle's name via
handle_to_fn.
(dtable::build_fhandler_from_name): Fill in what we can in path_conv structure
when given a handle and path doesn't exist.
* fhandler.cc (fhandler_base::open): Don't set the file pointer here. Use
pc->exists () to determine if file exists rather than calling GetFileAttributes
again.
* fhandler.h (fhandler_base::exec_state_isknown): New method.
(fhandler_base::fstat_helper): Add extra arguments to declaration.
(fhandler_base::fstat_by_handle): Declare new method.
(fhandler_base::fstat_by_name): Declare new method.
* fhandler_disk_file (num_entries): Make __stdcall.
(fhandler_base::fstat_by_handle): Define new method.
(fhandler_base::fstat_by_name): Define new method.
(fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate.
(fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat
structure. Move handle or name specific stuff to new methods above.
(fhandler_disk_file::open): Use real_path->exists rather than calling
GetFileAttributes again.
* ntdll.h (FILE_NAME_INFORMATION): Define new structure.
(OBJECT_INFORMATION_CLASS): Partially define new enum.
(OBJECT_NAME_INFORMATION): Define new structure.
(NtQueryInformationFile): New declaration.
(NtQueryObject): New declaration.
* path.cc (path_conv::fillin): Define new method.
* path.h (path_conv::fillin): Declare new method.
(path_conv::drive_thpe): Rename from 'get_drive_type'.
(path_conv::volser): Declare new method.
(path_conv::volname): Declare new method.
(path_conv::root_dir): Declare new method.
* syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
equivalent to not_executable.
* sys/mount.h: Define MOUNT_NOTEXEC.
* path.h (fs_info): New class.
(path_conv): Move fs-specific fields to new 'fs' structure.
(path_conv::update_fs_info): Move to fs_info and rename to just 'update'.
* path.cc (fs_info::update): Ditto. Return 'true' if successful.
(fillout_mntent): Add ',noexec' to list of reported options.
'ZwQueryVirtualMemory'.
* fhandler.h: Change type of bufalloc and filesize members of fhandler_virtual
from int to size_t. Change type of position member from __off32_t to
__off64_t. Add new fileid member to fhandler_virtual class. Make seekdir take
an __off64_t argument. Make lseek take an __off64_t argument. Add
fill_filebuf method to fhandler_virtual. Add fill_filebuf method to
fhandler_proc. Add fill_filebuf method to fhandler_registry. Add fill_filebuf
method to fhandler_process. Add saved_pid and saved_p members to
fhandler_process.
* fhandler_proc.cc (proc_listing_array): Add 'loadavg', 'meminfo', and 'stat'.
(proc_fhandlers array): Ditto.
(fhandler_proc::open): Use fill_filebuf to flesh out the file contents.
(fhandler_proc::fill_filebuf): New method.
(fhandler_proc::format_proc_meminfo): Ditto.
(fhandler_proc::format_proc_stat): Ditto.
(fhandler_proc::format_proc_uptime): Ditto.
* fhandler_process.cc (process_listing): Add 'stat' and 'statm'.
(fhandler_process::fstat): Find the _pinfo structure for the process named in
the filename. Return ENOENT if the process is no longer around. Set the gid
and uid fields of the stat structure.
(fhandler_process::open): Store pid and pointer to _pinfo structure in
saved_pid and saved_p respectively. Use fill_filebuf to flesh out file
contents.
(fhandler_proc::fill_filebuf): New method.
(format_process_stat): New function.
(format_process_status): Ditto.
(format_process_statm): Ditto.
(get_process_state): Ditto.
(get_mem_values): Ditto.
* fhandler_registry.cc (fhandler_registry::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_registry::fill_filebuf): New method.
* fhandler_virtual.cc (fhandler_virtual::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_virtual::lseek): Ditto.
(fhandler_virtual::fill_filebuf): New method.
(fhandler_virtual::fhandler_virtual): Initialise fileid to -1.
* wincap.cc: Set flag has_process_io_counters appropriately.
* wincap.h: Add flag has_process_io_counters.
(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. 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: Add isproc and isvirtual_dev macros.
* 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: Add externally visible path_prefix_p and normalized_posix_path
prototypes.
(socketpair): Set socket type for both sockets.
From 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.
* 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.
(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.
* exceptions.cc (try_to_debug): Spin only as long as we don't have a debugger
attached.
* fhandler.h (fhandler_base::set_nohandle): New method.
(fhandler_base::get_nohandle): New method.
* fhandler.cc (fhandler_base::dup): Avoid duplicating handle if there is no
handle.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set nohandle flag on
dummy fd.
* Makefile.in: Make intermediate library for eventual inclusion in libcygwin.a
* fhandler.h (fhandler_pipe::fhandler_pipe): Remove default argument setting
since it is no longer used.
* miscfuncs.cc (check_null_str): New function.
(+check_null_str_errno): Ditto.
* net.cc: Add defensive buffer checking throughout.
(cygwin_sendto): Protect against invalid fd.
(cygwin_recvfrom): Ditto.
(cygwin_getpeername): Ditto.
(cygwin_recv): Ditto.
(cygwin_send): Ditto.
* winsup.h: Declare a new function.
* select.cc (set_bits): Fix conditional for setting fd in exceptfds.
* dtable.cc (dtable::build_fhandler): Create fhandler_pipe using correct device
type.
* path.cc (get_devn): Set correct pipe device type from device name.
methods for setting src pointer.
* dir.cc (opendir): Only pass path_conv argument to opendir, since name is
already part of the fhandler.
* dtable.cc (dtable::build_fhandler): Accomodate new FH_CYGDRIVE type.
* fhandler.cc (fhandler_base::opendir): Nuke name argument.
* fhandler.h: Add FH_CYGDRIVE to "device" enum.
(fhandler_base::opendir): Nuke name argument.
(fhandler_disk_file::opendir): Ditto.
(fhandler_disk_file::fhandler_disk_file): Declare new method which passes
devtype through.
(fhandler_cygdrive): Add elements for tracking drives.
(fhandler_cygdrive::set_drives): Declare new method.
(fhandler_cygdrive::iscygdrive_root): Declare new method.
(fhandler_cygdrive::opendir): Declare new method.
(fhandler_cygdrive::readdir): Declare new method.
(fhandler_cygdrive::telldir): Declare new method.
(fhandler_cygdrive::seekdir): Declare new method.
(fhandler_cygdrive::rewinddir): Declare new method.
(fhandler_cygdrive::closedir): Declare new method.
(fhandler_cygdrive::fstat): Declare new method.
* fhandler_disk_file.cc (fhandler_disk_file::fhandler_disk_file): Define new
method which passes devtype through.
(fhandler_disk_file::open): Tweak debug output.
(fhandler_disk_file::opendir): Nuke first argument. Use info from path_conv
and class rather than calling fstat.
(fhandler_cygdrive::set_drives): New method.
(fhandler_cygdrive::iscygdrive_root): New method.
(fhandler_cygdrive::opendir): New method.
(fhandler_cygdrive::readdir): New method.
(fhandler_cygdrive::telldir): New method.
(fhandler_cygdrive::seekdir): New method.
(fhandler_cygdrive::rewinddir): New method.
(fhandler_cygdrive::closedir): New method.
(fhandler_cygdrive::fstat): New method.
* path.cc (iscygdrive_device): Assume cygdriveness is already verified.
(path_conv::check): Treat FH_CYGDRIVE "method" as a special case, setting file
attributes as needed.
(mount_info::conv_to_win32_path): Allow stand-alone /cygdrive, meaning "the
directory which contains all of the drives on the system".
(fillout_mntent): Use cyg_tolower for conversions.
(mount_info::cygdrive_win32_path): Replace unused argument with unit number.
* shared_info.h (mount_info::cygdrive_win32_path): Reflect argument change.
* cygheap.h (cygheap_fdnew::operator =): New operator.
* dir.cc: Add invalid struct checking throughout. Use methods for all
directory manipulation throughout.
* fhandler.cc: Move fhandler_disk_file stuff to own file.
(fhandler_base::opendir): New method.
(fhandler_base::readdir): New method.
(fhandler_base::telldir): New method.
(fhandler_base::seekdir): New method.
(fhandler_base::rewinddir): New method.
(fhandler_base::closedir): New method.
* fhandler_disk_file.cc: New file.
* fhandler.h (fhandler_base): Declare new virtual methods.
(fhandler_disk_file): Ditto.
(fhandler_cygdrive): New class.
* path.cc (conv_path_list): Use strccpy to break apart path.
(fhandler_tty_slave::ready_for_read): Ditto.
(select_record): Remove poll, initialize peek.
* select.cc: Remove all poll functions, throughout. Change second argument of
peek_* functions to 'bool' throughout. Specifically initialize *_ready
variables throughout.
(select_stuff::poll): Subsume previous poll functionality.
(peek_pipe): Don't grab guard mutex when in select loop. select()/read() is
racy by design so there is no need to worry about a race in select().
(fhandler_base::ready_for_read): Remove unused argument.
(fhandler_tty_slave::ready_for_read): Ditto.
* syscalls.cc (_read): Eliminate third argument in ready_for_read call.
device.
* fhandler.h (fhandler_base::set_eof): New virtual method.
(fhandler_pipe::set_eof): New method.
* pipe.cc (fhandler_pipe::fhandler_pipe): Clear saweof flag.
(fhandler_pipe::read): Return immediately if hit eof.
(fhandler_pipe::hit_eof): Return true if saweof flag is set.
* select.cc (peek_pipe): Don't call PeekNamedPipe if we couldn't grab the guard
mutex.
inline" warnings.
* security.h (class cygsid): Ditto.
* sigproc.cc (get_proc_lock): Ditto.
* sigproc.h (class sigframe): Ditto.
* sync.h (class muto): Ditto.
* fhandler.h (fhandler_base::get_guard): Actually MAKE virtual as previously
indicated.
* pipe.cc (make_pipe): Remove extraneous set_errno.
* syscalls.cc (_open): Ditto.
* select.cc (peek_pipe): Need to check that there is still something to read
from the pipe after acquiring the mutex since another process/thread could have
eaten the input before we got to acquiring the lock. (Thanks to Nick Duffek
for this inspiration.)
* select.cc (fhandler_base::ready_for_read): Set read_ready to zero prior to
testing it or it will be uninitialized.
* Makefile.in (CFLAGS): Move setting to Makefile.common.
* fhandler.cc (fhandler_base::close): Show both name and handle in debugging
output.
* fhandler.h (fhandler_base::get_guard): New virtual method.
(fhandler_pipe::get_guard): New method.
(fhandler_socket::ready_for_read): Delete declaration.
(fhandler_pipe::ready_for_read): Ditto.
(fhandler_serial::ready_for_read): Ditto.
(fhandler_console::ready_for_read): Ditto.
(fhandler_tty_common::ready_for_read): Ditto.
(fhandler_windows::ready_for_read): Ditto.
(struct select_record::peek): Declare new method.
* select.cc (MAKEready): Delete.
(peek_pipe): Use get_guard method to retrieve potential guard mutex handle.
(fhandler_base::ready_for_read): Rewrite as generic ready-for-read handler.
Should only be called for "slow" devices.
(fhandler_socket::ready_for_read): Delete definition.
(fhandler_pipe::ready_for_read): Ditto.
(fhandler_serial::ready_for_read): Ditto.
(fhandler_console::ready_for_read): Ditto.
(fhandler_tty_common::ready_for_read): Ditto.
(fhandler_windows::ready_for_read): Ditto.
(fhandler_pipe::select_read): Fill in new peek record in select_record
structure.
(fhandler_console::select_read): Ditto.
(fhandler_tty_common::select_read): Ditto.
(fhandler_serial::select_read): Ditto.
(fhandler_socket::select_read): Ditto.
(fhandler_socket::select_read): Ditto.
(fhandler_tty_slave::ready_for_read): Check for tty not open. Set errnos
appropriately.
* syscalls.cc (_read): Allow ready_for_read to set errno.
* pinfo.cc (pinfo::init): Return spawn/NO_WAIT process as valid if it is
initializing.
* sigproc.cc (getsem): Adjust wait for process to initialize downward to avoid
huge waits.
argument.
* fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto.
(fhandler_serial::open): Avoid else when previous clause is a return().
* path.cc (get_devn): Alias /dev/ttyS0 -> /dev/com1, etc.
(get_device_number): Reallow standalone "com1" as a valid name for /dev/com1.
* fhandler.h (fhandler_dev_raw::get_unit): New method.
(fhandler_dev_tape::norewind): Eliminate.
(fhandler_dev_tape::is_rewind_device): New method.
* fhandler_raw.cc (fhandler_dev_raw::open): Open new
fixed device name devices using NT internal method.
Keep calling fhandler_base::open() for old mount table
device mapping compatibility devices.
(fhandler_dev_raw::fstat): Eliminate. Settings are done
by fhandler_base::fstat() already.
* fhandler_tape.cc: Remove `norewind' usage throughout.
* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
Define struct _IO_STATUS_BLOCK.
Declare NtOpenFile().
* path.cc (get_raw_device_number): Add new approach for
using fixed device names.
(win32_device_name): Ditto.
(get_device_number): Ditto. Require POSIX path to begin
with "/dev/".
(mount_info::conv_to_win32_path): Call win32_device_name()
instead of get_device_number() after evaluating mount points
to allow changing the win32 destination path again.
* security.cc (str2buf2uni): Remove `static' to be able to
call function from fhandler_dev_raw::open().
* wincap.cc: Set flag has_raw_devices appropriately.
* wincap.h: Add flag has_raw_devices.
SNDCTL_DSP_GETBLKSIZE operation. Remove obsolete 'name' arg from fhandler_*
constructors throughout.
* winsup.h (winsock_active): New macro.
(winsock2_active): Ditto.
* autoload.cc (wsock_init): Use new macros to decide if winsock or winsock2 is
loaded.
(nonexist_wsock32): Dummy function to force winsock load.
(nonexist_ws2_32): Dummy function to force winsock2 load.
* fhandler.h (fhandler_socket::fstat): Declare new method. Currently unused.
* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Check that
winsock2 is active before trying WSADuplicateSocketA.
(fhandler_socket::fixup_after_fork): Add extra check for winsock2_active.
Otherwise use iffy procedures for Windows 95.
(fhandler_socket::fixup_after_exec): Add debugging.
(fhandler_socket::dup): Add debugging.
(fhandler_socket::fstat): New method.
(fhandler_socket::set_close_on_exec): Attempt to perform iffy stuff on Windows
95.
* errno.cc (_sys_nerr): Work around compiler strangeness.
* pinfo.cc (winpids::add): Add extra element at end of allocated array for
setting to NULL.
(winpids::enumNT): Ditto.
(winpids::init): Don't modify pidlist if it hasn't been allocated
(possibly due to malloc problem).
* fhandler.h: Change read and fstat to regparm/stdcall throughout.
(fhandler_base::fstat): Just declare. Don't define.
(fhandler_disk_file::fstat_helper): Declare.
* fhandler.cc (fhandler_base::fstat): Move here from fhandler.h, adapt from
former stat_dev().
(fhandler_disk_file::fstat): Move most of the disk-file-specific logic from
stat_worker to here. Use fstat_helper to derive final fstat output.
(fhandler_disk_file::fstat_helper): New method, renamed from former fstat
method.
(num_entries): Moved here from syscalls.cc.
* fhandler_mem.cc (fhandler_dev_mem::fstat): Use base class to initialize most
stuff. Invert has_physical_mem_access test for establishing permissions.
* fhandler_raw.cc (fhandler_dev_raw::fstat): Eliminate unneed test and memory
clearing. Use base class to initialize most stuff.
* syscalls.cc (stat_dev): Eliminate.
(stat_worker): Simply call fstat method to generate fstat output. Move all
device specific code to appropriate fstats.
* dir.cc (opendir): Pass correct arg to stat_worker to allow following
symlinks.
* fork.cc (vfork): Add debugging statements.
* path.cc (get_device_number): Make static. Rewrite to inspect both unix and
windows paths.
(get_raw_device_number): Just check for parts of raw device that we care about.
(get_devn): New function, pulled from get_device_number.
(win32_device_name): Accomodate arg changes to get_device_number.
(mount_info::get_device_number): Call get_device_number on translated Windows
path.
* spawn.cc (spawn_guts): Don't treat P_VFORK differently from P_NOWAIT. Add
handle to child's shared region to child so that it will be preserved if the
parent goes away.
* fhandler.h: Throughout, simplify to one open method for all fhandler classes,
requiring a path_conv first element.
* fhandler.cc (fhandler_base::open): Remove obsolete method. Generalize to
require path_conv * as first argument.
(fhandler_disk_file::open): Remove obsolete method.
(fhandler_disk_file::open): Use path_conv pointer rather than reference.
* fhandler_clipboard.cc (fhandler_dev_clipboard::dup): Use new open method.
(fhandler_dev_clipboard::open): Accomodate new argument for open methods.
* fhandler_console.cc (fhandler_console::open): Ditto.
(fhandler_console::dup): Use new open method.
(fhandler_console::fixup_after_fork): Ditto.
(fhandler_console::fixup_after_exec): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Accomodate new argument for open
methods.
* fhandler_floppy.cc (fhandler_dev_floppy::open): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_random (fhandler_dev_random::open): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tape.cc (fhandler_dev_tape::open): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
(fhandler_pty_master::open): Ditto.
* fhandler_windows.cc (fhandler_windows::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Accomodate new
argument for open methods.
* syscalls.cc (_open): Ditto.
(stat_worker): Ditto.
operators to simplify testing for directory and attributes, throughout.
* path.h (path_conv::exists): New method.
(path_conv::has_attribute): Ditto.
(path_conv::isdir): Ditto.
(path_conv::DWORD &): New operator.
(path_conv::int &): Ditto.
* dir.cc (rmdir): Eliminate a goto.
* dtable.cc (dtable::build_fhandler): Accept opt and suffix info for
path_conv.check. Return fh == NULL on path_conv error. Pass unit to set_name
as appropriate.
(dtable::reset_unix_path_name): New method.
* dtable.h (dtable): Declare new method. Reflect arg changes to
build_fhandler.
* fhandler.cc (fhandler_disk_dummy_name): Eliminate.
(fhandler_base::set_name): Expect paths to be NULL. Build unix_path_name from
win32_path_name when it is a device.
(fhandler_base::reset_unix_path_name): New method.
(fhandler_base::raw_read): Report EISDIR when ERROR_INVALID_FUNCTION or
ERROR_INVALID_PARAMETER and reading a directory.
(fhandler_disk_file::fstat): Don't call stat_dev since we should now never be
calling fhandler_disk_file methods with devices.
(fhandler_base::fhandler_base): Clear {unix,win32}_path_name.
(fhandler_base::~fhandler_base): Always free {unix,win32}_path_name.
(fhandler_disk_file::fhandler_disk_file): Remove set_no_free_names kludge.
(fhandler_disk_file::open): Ditto.
* fhandler.h (fhandler_base::no_free_names): Eliminate.
(fhandler_base::set_no_free_names): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Don't set
unix_path_name here.
* path.cc (fchdir): Lock fd table throughout. Use new
dtable::reset_unix_path_name method to reset path.
* syscalls.cc (stat_worker): Reorganize to always call fstat method. Pass
path_conv method to fhandler_*::open.
(chroot): Elminate a goto.
(writepipe_exists): New class element.
(orig_pid): Ditto.
(id): Ditto.
(is_slow): Eliminate.
* pipe.cc (fhandler_pipe::set_close_on_exec): Set inheritance on
writepipe_exists, if it exists.
(fhandler_pipe::hit_eof): New method, modelled after tty.
(fhandler_pipe::dup): Duplicate writepipe_exists, if it exists.
(make_pipe): Set up a dummy event for pipes on windows 9x. The nonexistence
of this event means that the write side of the pipe has closed.
(_dup): Move to syscalls.cc
(_dup2): Ditto.
* dtable.cc (dtable::build_fhandler): Fill out set_names here, if appropriate.
* syscalls.cc (_open): Call set_names in build_fhandler.
If available, use this to calculate path name and device number.
* dtable.h (dtable): Reflect above change.
* fhandler.h (fhandler_base): Declare virtual method which accepts path_conv
rather than path string as first argument.
* fhandler.cc (fhandler_base::open): Define above new method.
* syscalls.cc (_open): Set aside a path_conv variable for use in build_fhandler
and subsequent call to open.
interrupted.
* fhandler.cc: Move pipe methods to pipe.cc.
* fhandler.h (fhandler_pipe): Add new methods.
* fork.cc (sync_with_parent): Make error messages more informative.
* pipe.cc (fhandler_pipe::fhandler_pipe): Move here from fhandler.cc.
(fhandler_pipe::lseek): Ditto.
(fhandler_pipe::set_close_on_exec): New method.
(fhandler_pipe::read): Ditto.
(fhandler_pipe::close): Ditto.
(fhandler_pipe::dup): Ditto.
(make_pipe): Create the guard mutex on the read side of the pipe.
* select.cc (peek_pipe): Use guard_mutex to discover if we have the right to
read on this pipe.
(fhandler_pipe::readh_for_read): Pass the read pipe guard mutex to peek_pipe.
* syscalls.cc (_read): Always detect signal catchers, for now.
* debug.cc (makethread): Eliminate hack to make thread inheritable.
* sigproc.cc (subproc_init): Don't use hack to make thread inheritable.
implementation.
(fhandler_dev_raw::fixup_after_exec): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::fixup_after_fork): Don't
duplicate buffer on fork to avoid memory leak.
(fhandler_dev_raw::fixup_after_exec): New implementation equal to
former fixup_after_fork() implementation.
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Do
nothing when not using Winsock2.
(fhandler_socket::fixup_after_exec): New implementation.
(fhandler_socket::set_close_on_exec): Never call set_inheritance().
(setclexec_pid): New function for marking saved handle as close-on-exec.
(delete_handle): New function.
(debug_fixup_after_fork): New function.
* debug.h: Declare new functions, remove obsolete ones.
* fork.cc (debug_fixup_after_fork): Call to cleanup close-on-exec handles.
* fhandler.cc (fhandler_disk_file::close): Minor reorg.
(fhandler_base::set_inheritance): Set flag appropriately for debugging when
close-on-exec so forked process can delete closed handles.
* tty.h (open_output_mutex): Eliminate unneeded argument.
(open_input_mutex): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): reflect open_*_mutex argument
changes.
* fhandler.h (fhandler_socket): Make saw_shutdown_* functions type bool.
* tty.cc (tty::get_event): Eliminate unneeded argument.
(tty::common_init): Reflect change to get_event. Events should always be
inherited.
* Makefile.in: Use linker script to control location of cygheap.
* cygheap.cc (buckets): Make static.
(init_cheap): Remove special iswinnt handling. Allocate cygheap at a fixed
location. Display more info when allocation fails.
(cygheap_fixup_in_child): Try harder to move cygheap to correct location.
Display more info when allocation fails.
* fhandler.h (fhandler_socket): Add macros for tracking socket shutdown state.
* net.cc (cygwin_shutdown): Set appropriate shutdown value for future use.
* select.cc (select_stuff::cleanup): New method.
(cygwin_select): Call cleanup explicitly to avoid a race.
(select_stuff:~select_stuff): Call cleanup chain via cleanup method.
(fhandler_socket::select_read): Set *_ready when shutdown has been called on
the socket.
(fhandler_socket::select_write): Ditto.
(fhandler_socket::select_except): Ditto.
* winsup.h: Move NO_COPY to "COMMON" section.
* autoload.cc (wsock_started): Avoid initializing NO_COPY value.
* sigproc.cc: Remove initialization from NO_COPY variables.
(sigproc_init): Initialize sig_loop_wait here, rather than via initialization.
(subproc_init): Initialize proc_loop_wait here, rather than via initialization.
* fhandler.h: Move definitions of O_NOSYMLINK, O_DIROPEN and
OLD_O_NDELAY from winsup.h to here. Add O_NONBLOCK_MASK define.
* fhandler_socket.cc (fhandler_socket::close): Add hack to allow
a graceful shutdown even if shutdown() hasn't been called by the
application. Add debug output.
(fhandler_socket::ioctl): Set fhandler's NONBLOCK flag according
to FIONBIO setting.
(fhandler_socket::fcntl): Use new O_NONBLOCK_MASK define. Actually
set `request' before using it.
* fhandler_tty.cc: Use new O_NONBLOCK_MASK define throughout.
(fhandler_tty_slave::ioctl): Set fhandler's NONBLOCK flag according
to FIONBIO setting.
(fhandler_pty_master::ioctl): Ditto.
* net.cc (wsock_event::prepare): Compare WSACreateEvent return code
with `WSA_INVALID_EVENT' according to MSDN.
* syscalls.cc (_read): Use new O_NONBLOCK_MASK define.
* fhandler.cc (fhandler_base::fcntl): Only set specific O_NDELAY style flag
passed in from application.
* fhandler_socket.cc (fhandler_socket::fcntl): Ditto.
* fhandler.h: Set constant for future use.
* winsup.h: Define OLD_O_NDELAY only for old programs.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK.
* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function. Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
fhandler.h.
* fhandler.h (fhandler_base::get_inheritance): New method.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper
close-on-exec inheritance when creating.
(fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
* thread.cc (pthread_cond::TimedWait): Check for WAIT_TIMEOUT as well as
WAIT_ABANDONED.
(__pthread_cond_timedwait): Calculate a relative wait from the abstime
parameter.
function.
* fhandler.h: Declare it.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Don't
signal secret event immediately.
(fhandler_socket::check_peer_secret_event): Do it after peer event
was opened.
* net.cc (cygwin_connect): Or if socket is non-blocking.
(cygwin_accept): Ditto.
to 0, when requested.
* fhandler.h: New status flag FH_QUERYOPEN.
(fhandler::get_query_open): New function.
(fhandler::set_query_open): Ditto.
* syscalls.cc (stat_worker): Request query-only open mode.
doesn't deal well with "negative" chars.
* fhandler.cc (fhandler_disk_file::open): Propagate remote status of file
garnered from path_conv. Move #! checking to fstat.
(fhandler_disk_file::fstat): Reorganize st_mode setting to eliminate
duplication. Move check for #! here from fhandler::open.
* fhandler.h (fhandler_base::isremote): New method.
(fhandler_base::set_isremote): Ditto.
(fhandler_base::set_execable_p): Also record "don't care if executable state".
(fhandler_base::dont_care_if_execable): New method.
* path.cc (path_conv::check): Clear new flags. Appropriately set vol_flags,
drive_type, and is_remote_drive.
* path.h: Add new flags and methods for manipulating them.
* syscalls.cc (_unlink): Use isremote() to determine if a path is remote rather
than calling GetDriveType.
(stat_worker): Ditto.
* security.cc (get_file_attribute): Or attribute with result of NTReadEA to be
consistent with get_nt_attribute.
* fhandler_termios.cc (fhandler_termios::echo_erase): New method for echoing
erase characters.
(fhandler_termios::line_edit): Check the echo flag before echoing control
characters (from Kazuhiro Fujieda <fujieda@jaist.ac.jp>).
(_crealloc): Ditto.
* dcrt0.cc (dll_crt0_1): Default to always checking for executable for now.
* dtable.cc (dtable::not_open): Move method.
* dtable.h (dtable): Here.
* exceptions.cc (ctrl_c_handler): Don't expect process group leader to handle a
signal if it doesn't exist.
* fhandler.h (fhandler_base): Make openflags protected.
* localtime.c (tzsetwall): Check for __CYGWIN__ as well as __WIN32__.
* path.cc (path_conv::check): Add some comments. Change strcat to assignment.
* lib/_cygwin_S_IEXEC.cc (_cygwin_bob__): Eliminate.
* fhandler_tty.cc (fhandler_console::dup): Set controlling terminal if
necessary.
* fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.
Throughout, change 'OutputStopped' to 'output_stopped', for consistency.
* dtable.cc (stdio_init): Set controlling tty if not set by stdio opens.
* exceptions.cc (ctrl_c_handler): Avoid special pgid checking if no tty is
associated with the process.
(Suggested by Tim Baker <dbaker@direct.ca>)
* external.cc (fillout_pinfo): Return actual tty number for ctty.
* fhandler_console.cc (get_tty_stuff): Set ctty when shared memory is
allocated. Accept flags input from open().
(set_console_ctty): New function.
(fhandler_console::open): Pass flags to get_tty_stuff and rely on this function
to set the ctty, if appropriate.
* fhandler_termios.cc (fhandler_termios::set_ctty): Move to tty_min class.
* fhandler_tty.cc (fhandler_tty_slave::open): Use tc field to access
set_ctty().
* tty.h (TTY_CONSOLE): Move to include/sys/cygwin.h.
(tty_min): Add set_ctty class here.
* include/sys/cygwin.h (TTY_CONSOLE): New home here.
* path.cc (symlink_info): Make contents an actual buffer. Pass more flags to
case_check.
(path_conv::check): Reorganize to do parsing based on posix path rather than
native path.
(symlink_info::check): Expect posix path as input. Translate to native path
here. Accept path_conv flags. Stop parsing if not a symlink regardless of
whether previous path was a symlink.
* fhandler.h (fhandler_base::set_open_status): New method. Stores original
open status.
(fhandler_base::get_open_status): New method. Retrieves original open status.
(fhandler_base::reset_to_open_binmode): New method.
* fhandler.cc (fhandler_base::open): Save open status.
(fhandler_base::init): Ditto.
* fhandler_clipboard.cc (fhandler_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_dsp.cc (fhandler_dsp::open): Ditto.
* fhandler_dev_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_dev_random.cc (fhandler_dev_random::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tty_slave.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tty_master.cc (fhandler_tty_master::open): Ditto.
* fhandler_dev_zero.cc (fhandler_dev_zero::open): Ditto.
* syscalls.cc (setmode): Rework so that 0 mode value causes reversion to open
state.
* fhandler_tty_slave.cc (fhandler_tty_slave::read): Use correct multiplier when
converting from deciseconds to milliseconds.
* fhandler_dsp.cc: New file. Implements OSS like /dev/dsp.
* include/sys/soundcard.h: New file. User land includes for OSS /dev/dsp.
* fhandler.h: Add new class fhandler_dev_dsp and a FH_OSS_DSP definition.
* dtable.cc (dtable::build_fhandler): Allow creation of the /dev/dsp device.
* path.cc (windows_device_names): Add /dev/dsp into list of device names.
* Makefile.in (DLL_OFILES): Add fhandler_dsp.o.
* fhandler_console.cc (fhandler_console::dup): Duplicate `insert_mode'.
(fhandler_console::fhandler_console): Initialize `insert_mode'.
fhandler_console::char_command): Add terminal capabilities
"enter insert mode" = \E[4h and "exit insert mode" = \E[4l.
Care for insert mode on terminal capability "repeat char" = \E[x;yb.
(fhandler_console::write_normal): Care for insert mode before writing
to the console.
(array keytable): Add keymapping for modified cursor and control
block keys (xterm like).
* fhandler_clipboard.cc (fhandler_dev_clipboard::fhandler_dev_clipboard):
Initialize new fields. Open clipboard here.
(fhandler_dev_clipboard::dup): New method.
(fhandler_dev_clipboard::open): Accomodate new fields. Register clipboard
here, if appropriate.
(set_clipboard): New function. Moves buffer to clipboard.
(fhandler_dev_clipboard::write): Truly implement clipboard writing.
(fhandler_dev_clipboard::read): Reimplement to allow successive reads.
(fhandler_dev_clipboard::lseek): Truly implement seeks in clipboard.
(fhandler_dev_clipboard::close): Clear out new fields. Support sequential
reads and sequential writes. Support for binary data via a native clipboard
format.
* fhandler.cc (fhandler_termios::fixup_after_fork): New function.
Fixup output handle.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Output
handle is now fixed up in fhandler_termios::fixup_after_fork().
complain.
* exceptions.cc (unused_sig_wrapper): Ditto.
* fhandler.h (fhandler_base): Make get_io_handle and friends return self.
* fhandler_tty.cc (fhandler_pty_common::close_on_exec): Accomodate DEBUGGING
flag to avoid spurious warnings when inheritance is set.
* binmode.c (cygwin_premain0): Ditto.
* textmode.c (cygwin_premain0): Ditto.
Patch contributed by Jason Tiller <jtiller@sjm.com> :
* auto_load.cc: Add "GetKeyboardLayout" entry in the list of
Win32 User32.DLL exports to provide.
* fhandler.h (class fhandler_console): Add meta_mask private
member to remember which keystroke modifiers should generate
META.
* fhandler_console.cc (fhandler_console::read): Modify code that
tests a keystroke for a META-escaped key to use the 'meta_mask'
variable.
(fhandler_console::fhandler_console): Add definition for
variable "meta_mask" used to determine if a keystroke should be
preceded by META in the client console stream. Set meta_mask
based on whether or not user's keyboard language is English -
non-English keyboards pass AltGr (right <ALT>) unmolested,
whereas English keyboards now interpret left- and right-<ALT>
as META.
chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries. Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty. Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device. Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC. Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.
syncronize input on master tty with slave tty.
* fhandler_tty.cc (fhandler_pty_master::accept_input): Use them to
syncronize with slave.
* fhandler_tty.cc (fhandler_tty_slave::read): Use input mutex and
event to syncronize with master. Do not limit amount of data read
from master to vmin value. Interrupt on signal and return already
read data, if any.
* fhandler_tty.cc (fhandler_tty_slave::open): Handle input mutex and
event.
* fhandler_tty.cc (fhandler_tty_common::close): Ditto.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Ditto.
* fhandler_tty.cc (fhandler_tty_common::dup): Ditto.
* tty.h (tty::open_input_mutex): New function.
* tty.cc (tty::common_init): Create input mutex and event.
describe "state" of console to be members of fhandler_console.
default_color is now the color which is set when console recieves
reset command.
* fhandler_console.cc (fhandler_console::fhandler_console): Turn
mouse handling and raw keyboard mode off by default. Initialize
state information.
* fhandler.cc (fhandler_console::set_raw_win32_keyboard_mode): New
function.
* fhandler_console.cc (fhandler_console::set_default_attr): New
function. Reset console attributes to default values.
* fhandler_console.cc (fhandler_console::open): Reset attributes.
* fhandler_console.cc (fhandler_console::get_win32_attr): New function.
Calculate win32-style console attribute based on terminal attributes.
* fhandler_console.cc (fhandler_console::set_cursor_maybe): Use
member variable.
* fhandler_console.cc (fhandler_console::read): If in raw-win32
keyboard mode, encode win32 keyboard events in \033{x;y;z;t;u;wK
sequences.
* fhandler_console.cc (fhandler_console::dup): Copy all state
information to the dup()ed handle.
* fhandler_console.cc (fhandler_console::scroll_screen): Use current
fill-in attribute.
* fhandler_console.cc (fhandler_console::clear_screen): Ditto.
* fhandler_console.cc (fhandler_console::char_command): Check if we
saw '?' symbol by member variable. Set terminal attributes on \033[Xm
commands. \033[24m - turn off underline mode, \033[27m - turn off
reverse mode, \033[39m - restore default foreground color.
\033[49m - restore default background color. \033[2000h - turn on raw
keyboard mode, \033[2000l - turn off raw keyboard mode.
* fhandler_console.cc (fhandler_console::write): Set attribues to
default values on reset command.
* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to earlier
in interrupt.
((interrupt_setup): i.e., here.
(sig_handle): Don't queue multiple SIGSTOPS.
* fhandler.h (bg_check_types): Enumerate return value of bg_check for clarity.
* signal.cc (kill_pgrp): Minor cleanup.
* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type for
function return. Don't raise signal if a signal is already queued.
* fhandler_console.cc (fhandler_console::read): Use enumerated return type for
bg_check.
* select.cc: Ditto, throughout.
* read.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.
(_read): YA interrupt detect simplification.
* wait.cc (wait4): Ditto.
method.
* fhandler_console.cc (fhandler_console::read): Revert previously misapplied
patch.
(fhandler_console::char_command): Add a second argument.
(fhandler_console::write): Recognize when a '?' is found after a <esc>[.
`fixup_after_fork'.
* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Add
`set_need_fixup_after_fork' call.
(fhandler_dev_raw::~fhandler_dev_raw): Revert to user space
allocation.
(fhandler_dev_raw::open): Ditto.
(fhandler_dev_raw::dup): Ditto. Reset buffer pointer.
(fhandler_dev_raw::fixup_after_fork): New function.
* fhandler_tape.cc (fhandler_dev_tape::open): Revert to user space
memory allocation.
(fhandler_dev_tape::ioctl): Ditto. Change behaviour on MTSETBLK when
new size is 1.
cnt_need_fixup_before accordingly.
(dtable::dup2): Ditto.
(dtable::fixup_before_fork): New method.
(dtable::fixup_before_exec): Ditto.
* dtable.h (class dtable): Add member `cnt_need_fixup_before'. Add
definition for methods `dec_need_fixup_before', `inc_need_fixup_before',
`need_fixup_before', `fixup_before_exec' and `fixup_before_fork'.
* fhandler.h (class fhandler_base): Slight rearrangements. Add
definitions for methods `fixup_before_fork_exec'.
(class fhandler_socket): Eliminate superfluous constructor.
Add member `prot_info_ptr'. Add destructor. Add definitions for
methods `dup', `fixup_before_fork_exec', `fixup_after_fork' and
`fixup_after_exec'.
* fork.cc (fork_parent): Care for file types which need a fixup
before fork. Start child in suspended state then.
* net.cc: New global variable `ws2_32_handle' and `wsadata'.
(fdsock): Check for Winsock version. Call `set_socket_inheritance'
only if Winsock version < 2.0. Care for `need_fixup' count in fdtab.
(cygwin_socket): Eliminate call to `set_socket_inheritance'.
(cygwin_accept): Ditto.
(cygwin_rcmd): Ditto.
(cygwin_rresvport): Ditto.
(cygwin_rexec): Ditto.
(socketpair): Ditto.
(fhandler_socket::fhandler_socket): Set `need_fork_fixup'. Allocate
space for the WSAPROTOCOL_INFOA struct used in fixup.
(fhandler_socket::~fhandler_socket): New destructor.
(fhandler_socket::fixup_before_fork_exec): New method.
(fhandler_socket::fixup_after_fork): Ditto.
(fhandler_socket::dup): Ditto.
(wsock_init): New static function.
(LoadDLLinitfunc (wsock32)): Rearranged.
(LoadDLLinitfunc (ws2_32)): New function.
(dummy_autoload): Add autoload statemants for `WSADuplicateSocketA'
and `WSASocketA'.
* spawn.cc (spawn_guts): Care for file types which need a fixup
before exec. Start child in suspended state then.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Eliminate.
* fork.cc (fork_parent): Avoid returning same pid twice in a row regardless of
OS.
* pinfo.cc (pinfo::init): Rename create argument to flags and treat it as such.
* signal.cc (set_sigcatchers): New function.
(signal): Use set_sigcatchers to increment or decrement sigcatcher tracker.
(sigaction): Ditto. Add debugging output.
* spawn.cc (spawn_guts): Always quote first argv[0] argument when it's a
COMSPEC shell.
* Makefile.in: include fhandler_clipboard.o in DLL_OFILES list.
* fhandler.h: add FH_CLIPBOARD to the devices enum.
(fhandler_dev_clipboard): new
* path.cc (windows_device_names): add "\\dev\\clipboard"
(get_device_number): check for "clipboard"
* dcrt0.cc: declare a few more functions from winuser.h
* dtable.cc (dtable::build_fhandler): check for FH_CLIPBOARD in
switch().
* fhandler.cc (fhandler_base::fstat): Move to inline method in fhandler.h.
(fhandler_base::set_io_handle): Ditto.
* fhandler.h (fhandler_base): Make some methods inline.
* fhandler_console.cc (fhandler_console::write_normal): Make buffer larger.
* sigproc.h (sigframe::sigframe): Actually use set ebp parameter correctly.
* spawn.cc (spawn_guts): Set dwProcessId when exec'ing. Just exit immediately
after reparenting.
* syscalls.cc: Sprinkle sigframe stuff throughout.
* wait.cc (wait4): Set signal frame here.
* dcrt0.cc (__api_fatal): Don't rely on small_printf to display errors. Always
display problems to the console, if possible.
member function `init'.
* fhandler_mem.cc: Add typedefs for NT internal data types
`SYSTEM_INFORMATION_CLASS' and `SYSTEM_BASIC_INFORMATION'.
Add prototype for `NtQuerySystemInformation' function.
(fhandler_dev_mem::fhandler_dev_mem): Takes over initialization task
from `init'. Use `NtQuerySystemInformation' function to evaluate the
size of physical memory instead of interval search.
(fhandler_dev_mem::init): Eliminated.
(fhandler_dev_mem::open): Don't call `init'.
(fhandler_dev_mem::read): Eliminate check for `init_phase'.
(dummy_autoload): Add load statement for `NtQuerySystemInformation'.
* fhandler.cc (fhandler_base::open): Ditto.
* fhandler.cc (fhandler_base::fhandler_base): Ditto.
(fhandler_base::read): Ditto. Add more debugging output. Don't issue a \r
when \r\n detected.
* pipe.cc (make_pipe): Streamline slightly. Make debug output more
interesting.
* strace.cc (strace::vsprintf): Use __progname where appropriate to distinguish
strace output when exec'ing.
Add `unit' member.
* fhandler_mem.cc (fhandler_dev_mem): Initialize `unit' as well.
(init): Care for differences between /dev/mem, /dev/kmem (not
implemented yet) and /dev/port.
(open): Change debug message to reflect the device.
(mmap): New function.
(munmap): Ditto.
(msync): Ditto.
(fstat): Use unit when setting st_dev in stat structure.
* mmap.cc (mmap): Handle MAP_ANONYMOUS flag.
Change error handling slightly.
* path.cc (get_device_number): Handle /dev/port.
These changes require rebuilding all.
=====================================
* fhandler.h: Add mmap(), munmap() and msync() to fhandler_base
and fhandler_disk_file.
* mmem.cc (mmap): Eliminated device dependent implementation details.
These are moved to the appropriate fhandler class.
(munmap): Ditto.
(msync): Ditto.
(fhandler_base::mmap): New method.
(fhandler_base::munmap): Ditto.
(fhandler_base::msync): Ditto.
(fhandler_disk_file::mmap): Ditto.
(fhandler_disk_file::munmap): Ditto.
(fhandler_disk_file::msync): Ditto.
`mem_size' and `init_phase'.
* fhandler_mem.cc (init): New function to figure out the size of
the physical memory.
(open): Add checking for illegal flags. Change usage of access mode.
(write): Add intended functionality.
(read): Add parameter checking. Eliminate page size constant. Use
getpagesize() instead. Don't touch errno and don't create debug output
while init() is running.
(lseek): Add bounds checking. Fix SEEK_END.
(fstat): Eliminate page size constant. Use getpagesize() instead.
(dup): Add intended functionality.
* dtable.cc (dtable::build_fhandler): Add case for FH_MEM.
* fhandler.h: Add FH_MEM device type. Add class fhandler_dev_mem.
* fhandler_mem.cc: New file. Implementation of class fhandler_dev_mem.
* path.cc: Add /dev/mem to windows_device_names.
(get_device_number): Add FH_MEM type.
* fhandler.h (fhandler_socket::~fhandler_socket): Delete declaration.
* net.cc: Remove unnecessary "number_of_sockets" usage.
(fhandler_socket::fhandler_socket): Ditto.
(fhandler_socket::~fhandler_socket): Delete definition.
* spawn.cc (spawn_guts): Force first argument passed to CreateProcess as a
command line to be windows style.
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
Include sys/termios.h for files which need it.
* tty.h: New file.
* shared_info.h: New file.
* fhandler.h: Move inline methods that rely on tty stuff to
fhandler_console.cc.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set
output_done_event immediately after reading data to speed up tty output
processing.
(process_output): Set write_error to errno or zero.
(fhandler_tty_slave::write): Check previous write error prior to writing to
slave end of pipe. This allows tty output to be slightly less synchronous.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Moved here from
fhandler.h.
(fhandler_console::set_input_state): Ditto.
* child_info.h: Add specific exec class.
* cygheap.h: New file. Contains declarations for cygwin heap.
* cygheap.cc: New file. Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here. Accomodate new method for
passing arguments between cygwin programs. Initialize cygwin heap. Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods. Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h. Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name. fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd. Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table. Pass this
to environ_init. Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child. Build argv list using new
method. Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions. Add envsize() declaration.
* lib/cygwin_crt0.c: Inexplicably need to define alloca for newer compilers.
* fhandler.h (fhandler_console): Add new method.
* fhandler.cc (fhandler_console::set_cursor_maybe): New method.
(fhandler_console::read): Set cursor if it has moved to make it visible.
pseudo randomness.
* fhandler_random.cc: Rearrange. Use pseudo random number generator
as entropy source if system entropy isn't available and if device is
used as /dev/urandom. Allow initializing device by calling write().
to be set when variable blocksize mode is on.
* fhandler_raw.cc: Eliminate `\n' from trace output.
(clear): Set `varblkop' to 0.
(dup): Copy varblkop as well.
(writebuf): Care for variable blocksize.
(open): Ditto.
(raw_read): Ditto.
(raw_write): Ditto.
* fhandler_tape.cc (open): Ditto.
(ioctl): Ditto. Some cleanups.
an fd.
* external.cc (cygwin_internal): Add handling of perfile_table setting.
* fhandler.cc (perfile_table): New global.
(fhandler_base::get_default_fmode): New method to return a file's default mode
based on its name.
(fhandler_base::open): Use get_default_mode method to determine a file's mode.
Record file mode in file flags.
* fhandler.h (fhandler_base): Declare get_default_fmode
* syscalls.cc (getmode): New function.
* sys/cygwin.h (__cygwin_perfile): New structure.
(cygwin_getinfo_types): Move outside of WINVER conditional.
(per_process): Move inside of WINVER conditional.
* fhandler.h: Add device type FH_RANDOM. Add class
fhandler_dev_random.
* fhandler_random.cc: New file. Implementation of
fhandler_dev_random.
* hinfo.cc (build_fhandler): Add case for FH_RANDOM.
* path.cc: Add device names for random devices to
windows_device_names.
(get_device_number): Add if branch for random devices.
(win32_device_name): Add device name generation for
random devices.
winsup.h: Include <wincrypt.h>.
(fhandler_base::set_inheritance): Make this a method so that we can use the
appropriate close methods.
* fhandler.cc (fhandler_base::set_inheritance): Ditto.
* path.cc (normalize_posix_path): Eliminate /. trailing path component.
* debug.cc (threadname_init): Pass name of lock as arg 2 of new_muto.
* malloc.cc (malloc_init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* exceptions.cc (events_init): Ditto.
(call_handler): Eliminate special case for hExeced. Report locked thread in
debugging output.
* fhandler.cc (fhandker_pipe::fhandler_pipe): Propagate device type to base
class.
* fhandler.h (fhandler_pipe): Ditto.
* hinfo.cc (hinfo::build_fhandler): Pass specific type of pipe to constructor.
* spawn.cc (spawn_guts): Eliminate dependency on signal when waiting for
subprocess.
* strace.cc: Remove obsolete #ifdef.
* sync.cc (muto::muto): Save the name of the muto.
(muto:~muto): Also release the muto.
* sync.h: Add a muto name field.
* select.cc (peek_pipe): Avoid doing a PeekNamedPipe on the write end of a
pipe.
* fhandler.h: Declare new function. Add extra argument to
process_slave_output.
* fhandler_console.cc (fhandler_console::read): Move read ahead code to new
function.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Move common code
here.
(fhandler_tty_slave::read): Understand readahead.
(fhandler_pty_master::read): Move code to process_slave_output.
* select.cc (peek_pipe): Avoid performing certain checks when non-read and on
inappropriate fh types.
Christopher Faylor
Corinna Vinschen
Conrad Scott
Robert Collins
Egor Duda
DJ Delorie