Commit Graph

152 Commits

Author SHA1 Message Date
Christopher Faylor 0476bae576 * fhandler_dsp.cc (fhandler_dsp::ioctl): Return 0 for successful
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).
2001-10-13 17:23:35 +00:00
Christopher Faylor a448b8cf34 * fhandler.cc (fhandler_base::fork_fixup): Protect dup'ed handle and record it
as non-inheritable for debugging purposes in case there is a subsequent fork or
exec.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Allow fork_fixup to
call ProtecHandle.
2001-10-06 01:04:24 +00:00
Christopher Faylor 8af0f81d52 * dcrt0.cc (dll_crt0_1): Don't close hexec_proc if it is NULL.
* 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.
2001-10-04 02:34:20 +00:00
Christopher Faylor 47063f00e4 Add "path.h" include throughout, where needed. Use new path_conv methods and
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.
2001-10-01 04:10:07 +00:00
Christopher Faylor 35f879a6d0 * fhandler.h (fhandler_pipe::hit_eof): New method.
(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.
2001-09-24 21:50:44 +00:00
Christopher Faylor c50d56bc43 * fhandler.cc (fhandler_base::set_inheritance): Just use DUPLICATE_CLOSE_SOURCE
to change inheritance.  Eliminate all other logic dealing with closed handles.
* fhandler.h (fhandler_base::set_inheritance): Reflect above change.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.
2001-09-20 20:58:29 +00:00
Christopher Faylor 1ff9f4b937 * cygheap.h (init_cygheap): Move heap pointers here.
* include/sys/cygwin.h (perprocess): Remove heap pointers.
* dcrt0.cc (__cygwin_user_data): Reflect obsolete perprocess stuff.
(_dll_crt0): Don't initialize heap pointers.
(cygwin_dll_init): Ditto.
(release_upto): Use heap pointers from cygheap.
* heap.h: Ditto.
* fork.cc (fork_parent): Ditto.  Don't set heap pointers in ch.
(fork_child): Remove obsolete sigproc_fixup_after_fork.
* shared.cc (memory_init): Reorganize so that cygheap initialization is called
prior to regular heap since regular heap uses cygheap now.
* sigproc.cc (proc_subproc): Eliminate zombies allocation.
(sigproc_init): Move zombies alloation here.  Don't free up array on fork, just
reuse it.
(sigproc_fixup_after_fork): Eliminate.
* sigproc.h: Ditto.
* include/cygwin/version.h: Reflect change to perprocess structure.
2001-09-07 21:32:07 +00:00
Christopher Faylor 08b78edf5a Remove initialization of static or global values to zero, throughout. This
just needlessly grows the size of the DLL.
* tty.cc (tty::alive): Make inuse handle non-inheriting on open, just for
thread safety.
2001-09-06 04:41:59 +00:00
Christopher Faylor 2496a3637f * tty.cc (tty::create_inuse): Eliminate unneeded argument.
* tty.h: Reflect above change.
* fhandler_tty.cc: Reflect argument reduction in tty::create_inuse, throughout.
Always make inuse inheritable.
2001-09-01 05:38:46 +00:00
Christopher Faylor e62ac9e869 * debug.cc (mark_closed): Rename from debug_mark_closed and make static.
(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.
2001-09-01 05:17:34 +00:00
Corinna Vinschen 5fd12fb0cc * fhandler.cc (fhandler_base::is_nonblocking): New method.
(fhandler_base::set_nonblocking): Ditto.
        * fhandler.h (fhandler_base): Declare new methods `is_nonblocking' and
        `set_nonblocking'.
        * fhandler_socket.cc (fhandler_socket::ioctl): Use `set_nonblocking'.
        * fhandler_tty.cc (fhandler_pty_master::process_slave_output):
        Use `is_nonblocking'.
        (fhandler_tty_slave::read): Ditto.
        (fhandler_tty_slave::ioctl): Use `set_nonblocking'.
        (fhandler_pty_master::ioctl): Ditto.
        * net.cc (cygwin_sendto): Fallback to winsock 1 functionality
        in case of nonblocking IO.
        (cygwin_recvfrom): Ditto.
        (cygwin_recv): Ditto.
        (cygwin_send): Ditto.
        * syscalls.cc (_read): Use `is_nonblocking'.
2001-08-15 07:49:15 +00:00
Corinna Vinschen 6a574f1ad6 * fhandler.cc (fhandler_base::fcntl): Use new O_NONBLOCK_MASK define.
* 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.
2001-08-14 07:41:45 +00:00
Christopher Faylor 6b91b8d53b Throughout, reorganize header file inclusion to put security.h prior to
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.
2001-07-26 19:22:24 +00:00
Christopher Faylor a7670c1e82 * cygheap.cc (cygheap_fixup_in_child): Attempt Win95 workaround.
* dtable.cc (dtable::dup_worker): Add debugging output.
(dtable::vfork_child_dup): Correctly set close_on_exec.
* fhandler.cc (fhandler_base::fork_fixup): Don't mess with handle if there is
no need to get it from the parent.
* fhandler_tty.cc (fhandler_tty_common::close): Add debugging output.
2001-07-21 03:20:01 +00:00
Christopher Faylor 20a2c44362 * fhandler_tty.cc (fhandler_tty_slave::init): Revert 2001-06-16 change.
* fork.cc (fork_copy): Print more debugging info.
(fork_parent): Change order of arguments to accomdate buggy gcc.
(fork): Ditto.
* syscalls.cc (_unlink): Reorganize to try harder to delete file with
DeleteFile and to recover more gracefully if FILE_FLAG_DELETE_ON_CLOSE doesn't
work properly.
2001-06-18 21:18:59 +00:00
Christopher Faylor 99a5bd2fab * exceptions.cc (sig_handle_tty_stop): Reset PID_STOPPED if not actually
stopping.
* fhandler_console.cc (fhandler_console::fixup_after_fork): Don't set
controlling terminal if just inheriting a handle.
(fhandler_console::fixup_after_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
* signal.cc (kill_worker): Set appropriate errno if proc_exists determines that
process does not really exist.
2001-06-16 17:09:19 +00:00
Christopher Faylor 49a8c92ca3 * fhandler_tty.cc (fhandler_tty_common::dup): Preserve O_NOCTTY when duping a
filehandle.
2001-05-13 18:05:52 +00:00
Christopher Faylor 792011508a * cygheap.cc (_cfree): Add regparm attribute.
(_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.
2001-05-08 15:16:49 +00:00
Christopher Faylor b98ebf5470 Throughout, change 'tty_attached' to 'real_tty_attached', for clarity.
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.
2001-04-28 23:48:28 +00:00
Egor Duda a069f5602e * tty.cc (tty::make_pipes): Set to_slave pipe mode to nonblocking.
* fhandler_tty.cc (fhandler_pty_master::accept_input): If pipe buffer
is full, give slave a chance to read data.
2001-04-27 06:27:28 +00:00
Christopher Faylor f3ea62a847 Remove trailing underscore from fhandler_base and friends, throughout.
* 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.
2001-04-24 02:07:58 +00:00
Christopher Faylor 0381fec68f Throughout, change fdtab references to cygheap->fdtab.
* child_info.h (cygheap_exec_info): Eliminate special fdtab stuff.
* spawn.cc (spawn_guts): Ditto.
* cygheap.cc (cygheap_init): Initialize fdtab, if appropriate.
* cygheap.h (CYGHEAPSIZE): Include size of init_cygheap.
(_cmalloc_entry): Include fdtab here.
* dtable.h (dtable): Declare/define new methods.
* dtable.cc (dtable::vfork_child_fixup): New method.
(dtable::fixup_after_exec): Remove unneeded extra arguments.
* dcrt0.cc (dll_crt0_1): Ditto.
* environ.cc (getwinenv): Use case sensitive comparison.
(winenv): Make a copy of environment cache to avoid realloc problems when
duplicate environment variables exist in the environment.  (From Egor Duda)
* net.cc (cygwin_socket): Revert Apr 14 change.
* include/sys/file.h: Protect against previous X_OK definition.
* passwd.cc: Eliminate passwd_sem throughout.
* security.cc: Ditto.
* cygwin.din: Export New functions.
* passwd.cc (read_etc_passwd): Make race safe.
(getpwuid_r): New function.
(getpwnam_r): New function.
2001-04-18 21:10:15 +00:00
Egor Duda 78ace8a7e5 * tty.h (tty::create_inuse): Add new parameter to allow non-
inheritable 'inuse' events.
* tty.cc (tty::create_inuse): Use new parameter.
* fhandler_tty.cc (fhandler_tty_master::init): Ditto.
* fhandler_tty.cc (fhandler_pty_master::open): Ditto.
* fhandler_tty.cc (fhandler_tty_master::init): Create master_alive
event.
* tty.cc (tty_list::terminate): Close master_alive event.
* fhandler_tty.cc (fhandler_tty_common::close): Send EOF to slaves
when master side is closed.
2001-03-19 18:27:37 +00:00
Egor Duda 5e8e21d938 * fhandler.h (fhandler_tty_slave): Declare new methods.
* select.cc (fhandler_tty_slave::select_read): New method.
* select.cc (fhandler_tty_slave::ready_for_read): Ditto.
* select.cc (verify_tty_slave): New function.
* fhandler_termios.cc (fhandler_termios::line_edit): Empty input
buffer on signal.
* fhandler_tty.cc (fhandler_tty_slave::read): Check for input data
after reading from pipe. Reset event if input pipe is empty.
* tty.h (class tty): Allow creating events with manual reset.
* tty.cc (tty::get_event): Use manual_reset flag.
* tty.cc (tty::common_init): Create input_available_event with
manual reset.
2001-03-18 18:05:01 +00:00
Christopher Faylor ed4c976cf2 fix spelling error. 2001-03-17 01:45:40 +00:00
Egor Duda e935fcf08a * fhandler.h (fhandler_termios::fixup_after_exec): New function.
* 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().
2001-03-12 21:27:42 +00:00
Christopher Faylor 2116a17508 * autoload.cc (noload): Use proper method for multiline strings or newer gcc's
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.
2001-03-11 01:58:23 +00:00
Christopher Faylor 95a8465ba0 * dlopen.c (dlopen): Return NULL when name is NULL (suggested by
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.
2001-03-05 06:28:25 +00:00
Egor Duda 306c4b6737 * fhandler.h (class fhandler_tty_common): New mutex and event to
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.
2001-03-04 15:34:25 +00:00
Christopher Faylor 92e1969051 * debug.cc (add_handle): Issue warning on attempts to add the same handle more
than once.
* fhandler_tty.cc (fhandler_tty_slave::open): Protect some handles.
(fhandler_tty_common::close): Use proper name when closing handles.
(fhandler_pty_master::close): Don't close to_slave or from_slave since they've
already been closed earlier in the function.
* sigproc.cc (proc_subproc): Don't protect vchild->hProcess.  Expect that the
caller will do this, instead.
* tty.cc (tty_list::terminate): Use proper name when closing handles.
(tty::make_pipes): Protect some handles.
2000-10-17 01:42:04 +00:00
Christopher Faylor a3ad824178 * fhandler_tty.cc (fhandler_tty_slave::write): Correct typo which caused
resetting of windows error to ERROR_IO_DEVICE to be ignored.
2000-09-18 23:46:10 +00:00
Christopher Faylor f0338f545d Break out more header info into separate files. Use appropriate header files
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.
2000-09-08 02:56:55 +00:00
Christopher Faylor 29ac7f89e3 Split out tty and shared_info stuff into their own headers and use throughout.
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.
2000-09-07 16:23:51 +00:00
Christopher Faylor c1644acb23 * exceptions.cc (signal_exit): Reset all mutos owned by the main thread.
* fhandler.h: Define *_output_mutex macros for serializing tty output.
(fhandler_termios): Remove restart_output_event.  Define dummy output mutex
methods.
(fhandler_pty_master): Remove unneeded fixup_after_fork method.
* fhandler_termios.cc (fhandler_termios::line_edit): Acquire output_mutex when
CTRL-S is hit.  Release it on CTRL-Q.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Remove
inappropriate OutputStopped test here.  Just use the output mutex.
(fhandler_pty_master::fhandler_pty_master): Remove obsolete reference to
restart_output_event.
(fhandler_tty_common::close): Ditto.
(fhandler_pty_master::set_close_on_exec): Ditto.
(fhandler_pty_master::fixup_after_fork): Delete.
* tty.cc (tty::common_init): Ditto.
* sync.cc (muto::reset): New method.
* sync.h: Declare above method.
2000-09-07 01:18:37 +00:00
Christopher Faylor b0e82b74fb * Makefile.in: Add cygheap.o.
* 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.
2000-09-03 04:16:35 +00:00
Christopher Faylor d824bcf985 * signal.cc (_raise): New function.
* exceptions.cc (unused_sig_wrapper): Remove _raise.
* sigproc.h (class sigframe): Default frames to skip to zero or suffer from
exuberant optimization.
* fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when WriteFile
to pipe fails.
2000-08-29 02:06:49 +00:00
Christopher Faylor bccd5e0d85 * winsup.h: Eliminate inclusion of most of the cygwin .h files. Use .h files
only in sources which require them.
* Makefile.in: Generate dependencies with -MD option.
2000-08-22 05:10:20 +00:00
Christopher Faylor 9e2baf8dfa * cygerrno.h: New file. Use this throughout whenever errno manipulation is
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting.  Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno.  Add more checks for trailing / and /..  even though they are currently
useless.  Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
2000-08-22 03:58:47 +00:00
Christopher Faylor 84cf3d22e3 Correct order in include files. 2000-08-12 05:47:12 +00:00
Christopher Faylor e2ebe11776 * winsup.h: Split out dtable definitions into separate header file.
* dtable.h: New file.
* sigproc.h: Eliminate pinfo.h usage here.  Use it in source files that need
it.
2000-08-12 05:35:42 +00:00
Christopher Faylor 9015e0fb8c Rename hinfo -> dtable. Name the former dtable array 'fdtab'. 2000-08-12 04:48:44 +00:00
Christopher Faylor 14323f6a97 * fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set length field
correctly when "need_nl".
2000-08-03 13:02:09 +00:00
Christopher Faylor 20d7f75837 * strace.cc (strace::prntf): Make second argument the function name, rather
than use special format options.
(strace::vprntf): Ditto.
(getfunc): New function.
* include/sys/strace.h: Reflect above changes.
* smallprint.c (__small_vsprintf): Eliminate '%F' formatting.
* pinfo.cc (set_myself): Modify for new strace::prntf parameter.
* errno.cc (seterrno_from_win_error): Ditto.
* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Ditto.
* fhandler_tty.cc (fhandler_tty_common::__release_output_mutex): Ditto.
2000-08-02 19:26:01 +00:00
DJ Delorie 4c8d72ded5 * winsup.h: take out protections of environ, errno, allow C use
* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
2000-08-02 16:28:18 +00:00
Christopher Faylor ad0bed746d * Makefile.in (DLL_OFILES): Sort.
* fhandler_tty.cc (fhandler_tty_slave::send_ioctl_request): Eliminate.
(fhandler_tty_slave::ioctl): Rewrite to avoid races.
2000-05-12 05:06:43 +00:00
Christopher Faylor 332600d80c Pipe changes throughout suggested by Eric Fifer <EFifer@sanwaint.com>
* 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.
2000-03-15 04:49:36 +00:00
Christopher Faylor 3f0b493540 * fhandler.cc (fhandler_base::get_readahead_into_buffer): New function.
* 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.
2000-03-12 06:29:54 +00:00
Christopher Faylor 774ea16211 * fhandler_console.cc (fhandler_console::read): Don't even think about breaking
on interrupt if executing in a "cygwin" thread.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Streamline,
simplify code.
* sigproc.cc (sig_send): Remove debugging statement.
2000-03-12 04:44:37 +00:00
Christopher Faylor af1dc7ccea * environ.cc: Eliminate oldstack CYGWIN option.
* exceptions.cc (sfta): Eliminate obsolete function.
(sgmb): Eliminate obsolete function.
(class stack_info): Remove MS method for walking the stack.
(stack_info::init): Just initialize required fields.
(stack_info::brute_force): Rename to stack_info::walk.
(handle_exceptions): Pass derived frame pointer to sig_send.
(interrupt_setup): Clear saved frame pointer here.
(interrupt_on_return): thestack is no longer a pointer.
(call_handler): Accept a flag to indicate when a signal was sent from other
than the main thread.  Use saved frame pointer for determining where to place
signal handler call.
(sig_handle): Accept "nonmain" argument.  Pass it to call_handler.
* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Change
debugging output slightly.
* (fhandler_tty_common::__release_output_mutex): Ditto.
(fhandler_tty_slave::read): Fix a comment, remove a goto.
* sigproc.cc (sig_send): Accept an optional frame pointer argument for use when
suspending the main process.  sigcomplete_main is an autoreset event now.  Save
frame pointer for non-main operation.
(wait_sig): Make sigcomplete_main an autoreset event.  Eliminate NOSIGQUEUE.
Pass rc to sig_handle to signify if this was a nonmain process.
* sigproc.h: Reflect change to sig_send argument.
* syscalls.cc (swab): Eliminate swab function since it is now available in
newlib.
* winsup.h (signal_dispatch): Change CONTEXT cx to DWORD ebp.
2000-03-09 21:04:05 +00:00
Christopher Faylor 5abc9b830b Throughout use strace class in place of individual functions and variables.
* cygwin.din: Eliminate _strace_wm.
* sigproc.cc (wait_sig): Temporarily add more debugging output.
* include/cygwin/version.h: Bump minor api to reflect export change.
2000-03-07 05:33:09 +00:00
Christopher Faylor 9cec3d45aa Respond to a multitude of g++ warnings. 2000-02-21 05:20:38 +00:00
Christopher Faylor 1fd5e000ac import winsup-2000-02-17 snapshot 2000-02-17 19:38:33 +00:00