* fhandler_console.cc (dev_console::con_to_str): Return number of
multibyte char bytes.
(fhandler_console::read): Set nread to number of multibyte char bytes
returned from con_to_str.
(fhandler_console::write_normal): Reorder trunc buffer preocessing.
Return after writing valid multibyte sequence out of trunc buffer.
Change comments slightly.
* autoload.cc (CreateDesktopW): Replace CreateDesktopA.
(CreateWindowStationW): Replace CreateWindowStationA.
(GetUserObjectInformationW): Replace GetUserObjectInformationA.
* cygheap.h (cwdstuff::get): Assume default buffer size NT_MAX_PATH.
* cygtls.cc (_cygtls::remove): Free temporary TLS path buffers.
* cygtls.h (TP_NUM_C_BUFS): Define.
(TP_NUM_W_BUFS): Define.
(class tls_pathbuf): New class to store pointers to thread local
temporary path buffers.
(_local_storage::pathbufs): New member.
* environ.cc (win_env::add_cache): Use temporary TLS path buffer instead
of stack based buffer.
(posify): Get temporary outenv buffer from calling function.
(environ_init): Create temporary TLS path buffer for posify.
(build_env): Create Windows environment block as WCHAR buffer.
* environ.h (build_env): Change declaration accordingly.
* external.cc (sync_winenv): Accommodate build_env change.
* fhandler_console.cc (fhandler_console::need_invisible): Use
GetUserObjectInformationW and CreateWindowStationW.
* fhandler_process.cc (format_process_maps): Use temporary TLS path
buffer instead of stack based buffer.
* fork.cc (frok::parent): Convert to use CreateProcessW.
* path.cc: Throughout use temporary TLS path buffers instead of stack
based buffer. Replace checks for CYG_MAX_PATH by checks for
NT_MAX_PATH.
(getfileattr): New function to replace GetFileAttributesA.
(normalize_win32_path): Remove Win32 and NT long path prefixes.
(getwd): Assume PATH_MAX + 1 buffer per SUSv3.
* path.h (class path_conv): Set path buffer to size NT_MAX_PATH.
(iswdrive): Define.
* pinfo.cc (commune_process): Use temporary TLS path buffer instead of
stack based buffer.
* registry.cc (get_registry_hive_path): Ditto.
(load_registry_hive): Ditto.
* spawn.cc (spawn_guts): Convert to use CreateProcessW and
CreateProcessAsUserW.
(av::fixup): Open/close file using NtOpenFile/NtClose.
* syscalls.cc (mknod_worker): Allow PATH_MAX file name.
(mknod32): Ditto.
(getusershell): Ditto.
* tls_pbuf.cc: New file implementing tls_pathbuf and tmp_pathbuf
methods.
* tls_pbuf.h: New header for files using tmp_pathbuf.
* tlsoffsets.h: Regenerate.
* winsup.h (NT_MAX_PATH): Define as 32767 to avoid USHORT overflow.
truncated multibyte characters on input.
(fhandler_console::write_replacement_char): Declare new method.
* fhandler_console.cc (CONVERT_LIMIT): Raise to 64K.
(fhandler_console::fhandler_console): Initialize trunc_buf.
(ERR): Define as independent value again.
(fhandler_console::write_replacement_char): New method to print
replacement chars.
(fhandler_console::write_normal): Add handling for truncated multibyte
sequences. Call next_char instead of pathetic CharNextExA function.
Don't change src, rather just work with found later on.
* miscfuncs.cc (is_cp_multibyte): Move here from strfuncs.cc.
Don't call Windows function, restrict to well-known ANSI/OEM codepages
and UTF-8.
(next_char): Call CharNextExA only for doublebyte codepages.
Implement for UTF-8 here.
* strfuncs.cc (is_cp_multibyte): Move to miscfuncs.cc.
* winsup.h (next_char): Declare.
* include/limits.h (MB_LEN_MAX): Set to maximum value of MB_CUR_MAX
as defined by newlib for now.
(CharNextExA): Define.
* environ.cc (codepage_init): Un-static. Set active_codepage to
active codepage. Default to ansi regardless of buf pointer.
* fhandler.h (dev_console::get_console_cp): New method.
(dev_console::con_to_str): Change declaration according to new
implementation.
(dev_console::str_to_con): Ditto.
* fhandler_console.cc (cp_convert): Remove.
(dev_console::con_to_str): Redefine to take WCHAR as incoming console
char.
(dev_console::get_console_cp): Return correct codepage according to
alternate_charset_active setting.
(dev_console::str_to_con): Redefine to create WCHAR buffer for console
output.
(fhandler_console::read): Read console input as WCHARs.
(base_chars): Fix typo in comment.
(fhandler_console::char_command): Save and restore console output
buffer using UNICODE functions.
(fhandler_console::write_normal): Convert to write output in UNICODE.
Use CharNextExA to recognize multibyte characters in input. Workaround
problem with UTF-8 and MultiByteToWideChar. Simplify the loop for
printing "normal" characters.
* strfuncs.cc (active_codepage): New variable to store active codepage.
(get_cp): Call codepage_init() if active_codepage is uninitialized.
Just return active_codepage.
(is_cp_multibyte): New function.
* winsup.h (active_codepage): Declare.
(codepage_init): Declare.
(is_cp_multibyte): Declare.
codepage.
* environ.cc (set_file_api_mode): Always set file api to ANSI if not
using the OEM codepage.
(codepage_init): Allow "utf8" codepage.
* fhandler_clipboard.cc (set_clipboard): Convert clipbuf to void and
cast as needed. Always convert input to wide char and write
CF_UNICODETEXT to clipboard.
(fhandler_dev_clipboard::read): Read CF_UNICODETEXT from clipboard and
convert to current codepage if CYGWIN_NATIVE format is not available.
* fhandler_console.cc: Drop redundant undef.
* smallprint.cc (__small_vsprintf): Convert PWCHAR and UNICODE_STRING
to current codepage for printing.
* strfuncs.cc: Use PWCHAR throughout.
(get_cp): Return CP_UTF8 for utf8_cp codepage setting.
(sys_wcstombs): Allow NULL target buffer.
(sys_wcstombs_alloc): New function.
(sys_mbstowcs_alloc): Ditto.
* winsup.h (codepage_type): Add utf8_cp.
(HEAP_NOTHEAP): Define.
(sys_wcstombs_alloc): Declare.
(sys_mbstowcs_alloc): Declare.
current meta key mode.
* fhandler_console.cc (fhandler_console::read): Set the top bit of
the character if metabit is true.
* fhandler_console.cc (fhandler_console::ioctl): Implement
KDGKBMETA and KDSKBMETA commands.
* fhandler_tty.cc (process_ioctl): Support KDSKBMETA.
(fhandler_tty_slave::ioctl): Send KDGKBMETA and KDSKBMETA to the
master.
* include/cygwin/kd.h: New file for the meta key mode.
* include/sys/kd.h: New file.
(dll_crt0_1): Reflect renaming from tty_init to tty::init_session.
(do_exit): Reflect moving of tty_terminate into tty_list.
* exceptions.cc (events_init): Move tty_mutex stuff elsewhere.
* fhandler_console.cc (set_console_title): Use lock_ttys class.
* fhandler_termios.cc (fhandler_termios::bg_check): Make debug output more
accurate.
* fhandler_tty.cc (fhandler_tty_slave::open): Reflect move of attach_tty into
tty_list class. Don't attempt to grab master end of pty if master doesn't
exist.
(fhandler_pty_master::open): Reflect move of allocate_tty into tty_list class.
Use lock_ttys::release to release mutex. Improve debugging output.
(fhandler_pty_master::setup): Remove if 0'ed block. Fix argument to
SetNamedPipeHandleState.
* pinfo.cc (_pinfo::set_ctty): Lock ttys before setting sid/pgid. Improve
debugging. Add temporary debugging.
* tty.cc (tty_list::init_session): New function.
(tty::init_session): Rename from tty_init. Reflect move of attach_tty to
tty_list class.
(tty::create_master): Rename from create_tty_master.
(tty_list::attach): Rename from attach_tty. Reflect renaming of connect_tty to
connect. Ditto for allocate_tty.
(tty_terminate): Delete.
(tty_list::terminate): Subsume tty_terminate. Use lock_ttys rather than
manipulating mutex directly.
(tty_list::allocate): Rename from allocate_tty. Use lock_ttys rather than
manipulating mutex directly. Don't set sid here since linux apparently doesn't
do this. Reflect move of create_tty_master into tty.
(lock_ttys::lock_ttys): Define new constructor.
(lock_ttys::release): New function.
* tty.h (tty::exists): Return false immediately if !master_pid.
(tty::set_master_closed): Define new function.
(tty::create_master): Ditto.
(tty::init_session): Ditto.
(tty_list::mutex): New field.
(tty_list::allocate): Define new function.
(tty_list::connect): Ditto.
(tty_list::attach): Ditto.
(tty_list::init_session): Ditto.
(lock_ttys): New class.
(tty_init): Delete declaration.
(tty_terminate): Ditto.
(attach_tty): Ditto.
(create_tty_master): Ditto.
(tty::gethwnd): Ditto.
(tty::sethwnd): Ditto.
(tty_min::hwnd): Receive variable from tty class.
(tty_min::gethwnd): Receive function from tty classs.
(tty_min::sethwnd): Ditto.
* dtable.cc (dtable::stdio_init): Only call init_console_handler when we
actually own the console.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Set tty's hwnd to
non-zero value.
* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Semi-reinstate handling of
console when pgrp is set.
on/off depending on whether we have allocated a console or not.
* dcrt0.cc (child_info_fork::fork_retry): Add more potential retry statuses.
(dll_crt0_0): Turn on/off console control depending on whether we have a
controlling tty or not.
* exceptions.cc (init_console_handler): Change BOOL to bool.
* fhandler_console.cc (fhandler_console::need_invisible): Cosmetic change.
* winsup.h (init_console_handler): Reflect argument type change.
* wincap.h (supports_setconsolectrlhandler_null): Remove duplicate capability
throughout.
* wincap.cc: Ditto.
bool.
* spawn.cc (spawn_guts): Ditto, i.e., once again call
set_console_state_for_spawn with an indication of whether we're about to start
a cygwin process.
* fhandler_console.cc (set_console_state_for_spawn): Don't set the console
state if we know we're starting a cygwin process or if we're using a "real"
tty.
declaration.
* fhandler.cc (set_console_state_for_spawn): Eliminate argument from
definition. Always check for invisible console.
(fhandler_console::need_invisible): Don't do anything if the windows station is
already not visible.
* spawn.cc (spawn_guts): Accommodate change of argument to
set_console_state_for_spawn.
* sigproc.cc (sigproc_init): Move clearing of sync_startup here to lessen the
likelihood of trying to deal with non-cygwin threads in dll_entry.
* fhandler_console: Fix set_console_state_for_spawn comment.
syscall_printf.
* fhandler_console.cc (fhandler_console::need_invisible): Use made-up name for
windows station rather than asking Windows to create one for us.
* spawn.cc (spawn_guts): Don't mess with console if we're detaching.
* fhandler_console.cc (beep): Use a more Windows-generic wav file if the beep
is missing. Use a more foolproof way to find out whether we should be
recreating the missing key.
* registry.h (reg_key::_disposition): New field.
(reg_key::created): New function.
* registry.cc (reg_key::reg_key): Set _disposition to zero by default.
(reg_key::build_key): Fill in _disposition field.
* fhandler_console.cc (set_console_state_for_spawn): Ditto for the definition.
Only set invisible console for non-cygwin process. Remove debugging leftover.
* spawn.cc (spawn_guts): Pass argument denoting whether this is a cygwin
process to set_console_state_for_spawn and only call this function when
exec'ing.
(fhandler_console::invisible_console): Declare new variable.
(fhandler_console::need_invisible): Ditto.
(fhandler_console::has_a): Ditto.
* fhandler_console.cc (set_console_state_for_spawn): Eliminate return value.
Set up an invisible console if necessary prior to spawning.
(fhandler_console::invisible_console): Define.
* fhandler_tty.cc (fhandler_tty_slave::open): Use
fhandler_console::invisible_console to setup an invisible console.
* pipe.cc (fhandler_pipe::fixup_in_child): Define new function from
fixup_after_exec.
(fhandler_pipe::fixup_after_exec): Use fixup_in_child when appropriate.
(fhandler_pipe::fixup_after_fork): Ditto.
* spawn.cc (handle): Reorganize and modernize a little.
(spawn_guts): Rely on set_console_state_for_spawn to set the console into the
right state but don't create the process with "detached" flag if we have no
controlling tty since that confuses 'cmd'.
* dtable.cc (dtable::stdio_init): Don't set console as controlling terminal if
we have an invisible console.
* sigproc.cc (child_info::sync): Use correct name in ForceCloseHandle1.
bool parameter.
(fhandler_console::fixup_after_exec): Accommodate fixup_after_fork_exec's
parameter.
(fhandler_console::fixup_after_fork): Ditto.
* fhandler_console.cc (fhandler_console::fixup_after_fork_exec): Avoid opening
new console only when close_on_exec AND execing.
(fhandler_console::fixup_after_fork): Use fixup_after_fork_exec.
(fhandler_console::fixup_after_exec): Ditto.
* fhandler_console.cc (fhandler_console::fixup_after_fork): Delete definition.
(fhandler_console::fixup_after_fork_exec): Rename from fixup_after_exec.
* pinfo.cc (_pinfo::set_ctty): Don't play with console count here.
* syscalls.cc (close_all_files): Don't close cygheap ctty if hExeced since the
child will be copying information from us.
(setsid): Use myctty() rather than raw ctty #.
(init_cygheap::console_count): Renamed from open_fhs. Make private.
* cygheap.cc (init_cygheap::manage_console_count): Define new function.
* dtable.cc (dtable::fixup_after_exec): Always call fixup_after_exec on
elements of fd even when they are about to be closed.
* fhandler.h (report_tty_counts): Remove open_fhs from debugging output.
* fhandler_console.cc (fhandler_console::open): Use manage_console_count rather
than manipulating count directly.
(fhandler_console::close): Ditto.
(fhandler_console::fixup_after_fork): Ditto.
(fhandler_console::fixup_after_exec): Ditto. Don't close handles if
close_on_exec.
* fhandler_tty.cc (fhandler_tty_slave::open): Use manage_console_count() rather
than manipulating count directly. Reflect change in arguments to
report_tty_counts().
(fhandler_tty_slave::close): Ditto for both.
(fhandler_tty_slave::dup): Ditto for both.
(fhandler_tty_slave::ioctl): Use myctty() rather than raw ctty #.
(fhandler_tty_slave::fixup_after_fork): Reflect change in arguments to
report_tty_counts().
(fhandler_tty_master::init_console): Use manage_console_count() rather than
manipulating count directly.
* fhandler_clipboard.cc (fhandler_dev_clipboard::fixup_after_exec): Don't
perform any operations if close_on_exec.
* fhandler_dsp.cc (fhandler_dev_dsp::fixup_after_exec): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::fixup_after_exec): Ditto.
* fhandler_serial.cc (fhandler_serial::fixup_after_exec): Ditto.
* pinfo.h (_pinfo::_ctty): Declare new function.
(myctty): Declare new macro.
(__ctty): Declare new macro.
* pinfo.cc (_pinfo::_ctty): Define new function.
(_pinfo::set_ctty): Use manage_console_count() rather than manipulating count
directly.
* signal.cc (kill_pgrp): Use myctty() and __ctty() macros rather than raw ctty
#.
* syscalls.cc (setsid): Ditto. Use manage_console_count() rather than
manipulating count directly.
eof_detected status flag. Delete is_eom and is_eof methods.
Move drive_size, bytes_per_sector, eom_detected status flag, as well
as the methods read_file, write_file, raw_read and raw_write to ...
(class fhandler_dev_floppy): ... here. Remove is_eom and is_eof
methods. Add dup method.
* fhandler_floppy.cc (IS_EOM): New macro.
(fhandler_dev_floppy::is_eom): Remove.
(fhandler_dev_floppy::is_eof): Remove.
(fhandler_dev_floppy::fhandler_dev_floppy): Initialize status flags.
(fhandler_dev_floppy::get_drive_info): Only call EX functions on
systems supporting them and stop suffering strange delays.
(fhandler_dev_floppy::read_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::write_file): Move here, drop setting
current_position.
(fhandler_dev_floppy::open): Rearrange comment.
(fhandler_dev_floppy::dup): New method.
(fhandler_dev_floppy::get_current_position): New inline method. Use
instead of former current_position were appropriate.
(fhandler_dev_floppy::raw_read): Move here. Drop EOF handling.
(fhandler_dev_floppy::raw_write): Move here. Drop EOF handling.
(fhandler_dev_floppy::lseek): Remove useless conditions. Convert
sector_aligned_offset to LARGE_INTEGER to improve SetFilePointer call.
(fhandler_dev_floppy::ioctl): Move blocksize check in RDSETBLK case
to here.
* fhandler_raw.cc (fhandler_dev_raw::is_eom): Remove.
(fhandler_dev_raw::is_eof): Remove.
(fhandler_dev_raw::write_file): Remove.
(fhandler_dev_raw::read_file): Remove.
(fhandler_dev_raw::raw_read): Remove.
(fhandler_dev_raw::raw_write): Remove.
(fhandler_dev_raw::dup): Drop copying removed members.
(fhandler_dev_raw::ioctl): Drop blocksize testing.
* wincap.h: Implement has_disk_ex_ioctls throughout.
* wincap.cc: Ditto.
(wincap_vista): Preliminary wincaps for Windows Vista/Longhorn.
(wincapc::init): Add Vista/Longhorn handling.
appropriately.
* pinfo.cc (pinfo::exit): Always call sigproc_terminate here. Rely on
sigproc_terminate to signal signal thread to handle eventual process exit.
* sigproc.cc (no_signals_available): Change criteria for determining if this
process can handle signals to itself.
(my_sendsig): New variable. Copy of my sendsig handle.
(proc_can_be_signalled): Don't send signals if exit code is set.
(sigproc_terminate): Use and set exit_state appropriately to determine when to
do anything. Send __SIGEXIT to self to control process exit.
(sig_send): Use my_sendsig for sending signals. Don't call
proc_can_be_signalled for myself since the criteria is now different for
sending signals to myself.
(wait_sig): Copy myself->sendsig to my_sendsig for future use. Exit signal
loop when __SIGEXIT is received. Wait for main thread to exit and use its exit
status to actually exit process.
* sigproc.h (__SIGEXIT): New enum.
* dcrt0.cc (alloc_stack): Eliminate superfluous "return;".
* debug.cc (add_handle): Ditto.
* devices.in (device::parse): Ditto.
* dtable.cc (dtable::vfork_parent_restore): Ditto.
(dtable::vfork_child_fixup): Ditto.
* environ.cc (parse_options): Ditto.
* errno.cc (seterrno_from_win_error): Ditto.
* exceptions.cc (sig_handle_tty_stop): Ditto.
(set_signal_mask): Ditto.
* fhandler.cc (fhandler_base::read): Ditto.
(fhandler_base::operator delete): Ditto.
(fhandler_base::seekdir): Ditto.
(fhandler_base::rewinddir): Ditto.
* fhandler_console.cc (fhandler_console::read): Ditto.
(fhandler_console::fixup_after_exec): Ditto.
* sigproc.cc (sigproc_init): Ditto.
(sigproc_terminate): Ditto.
* devices.cc: Regenerate.
collision with large data areas.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Accommodate changes to
open_shared arguments.
* fhandler_tape.cc (mtinfo_init): Ditto.
* pinfo.cc (pinfo::init): Use open_shared rather than win32 mmap calls.
* shared.cc (user_shared_initialize): Ditto.
(memory_init): Ditto.
(open_shared): Change to allow use a smore general mmap handler.
* shared_info.h (shared_locations): Add SH_JUSTCREATE, SH_JUSTOPEN.
(open_shared): Change declaration to match new usage.
* autoload.cc (LoadDLLfuncEx2): Define in terms of LoadDLLfuncEx3.
(LoadDLLfuncEx3): New macro.
(dev_console::set_default_attr): Ditto, moved from fhandler_console.
(dev_console::fillin_info): Ditto. Accommodate this change throughout this
file.
(fhandler_console::get_win32_attr): Eliminate.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Properly set default
attributes on initialization.
(fhandler_console::open): Set current attributes rather than default color on
open.
(fhandler_console::get_win32_attr): Eliminate.
(dev_console::set_color): New function. Move get_win32_attr stuff here.
(dev_console::set_default_attr): New function, moved from fhandler_console.
(dev_console::fillin_info): Ditto.
(fhandler_console::char_command): Call set_color to set screen characteristics.
* dcrt0.cc (dll_crt0_0): Remove hexec_proc stuff.
* fork.cc (fork_child): Remove call to pinfo_fixup_after_fork.
* pinfo.cc (set_myself): Close and zero pid_handle if set.
(pinfo_fixup_after_fork): Delete.
(proc_waiter): Don't close vchild.hProcess here. Do that when we are remove
the vchild from procs. Save hProcess as pid_handle only on first reparent
operation.
(pinfo::wait): Don't set pid_handle here.
(pinfo::alert_parent): Always try to send signal. If unsuccessful then close
and zero wr_proc_pipe.
* pinfo.h (pinfo::pinfo): Make sure that appropriate parts of the class are
zeroed on construction.
(pinfo::alert_parent): Take char argument.
(pinfo_fixup_after_fork): Delete declaration.
(hexec_proc): Ditto.
* sigproc.cc (remove_proc): Close pid_handle and hProcess if appropriate.
* spawn.cc (spawn_guts): Set cygheap->pid_handle on first exec.
* cygheap.h (init_cygheap::pid_handle): New element.
* pinfo.cc (set_myself): Clear previously existing cygheap->pid_handle when a
new process has been started.
(pinfo::wait): Make sure that a handle to the newly forked/spawned process is
kept around so that the pid will not be reused.
* pinfo.h (_pinfo::pid_handle): Move.
(pinfo::pid_handle): to here.
* spawn.cc (spawn_guts): Create a pid_handle in cygheap prior to spawning to
ensure that the pid does not get reused during the lifetime of the "cygwin
pid".
* pinfo.h (pinfo::alert_parent): New function.
* exceptions.cc (sig_handle_tty_stop): Use alert_parent to send "signals" to
parent.
* fork.cc (fork_parent): Don't close pi.hProcess. Let the waiter thread do
that.
* pinfo.cc (proc_waiter): Detect case where process exits without setting the
exit code and use value from GetExitCodeProcess. Reluctantly implement
__SIGREPARENT.
(pinfo::alert_parent): Define.
* sigproc.h (__SIGREPARENT): New enum.
* spawn.cc (spawn_guts): Send reparent signal to parent on exec. Always create
process in suspended state to avoid races. Remove cygthread.h in favor of
cygtls.h throughout since cygtls now includes cygthread.h. Eliminate
ppid_handle usage throughout.
* child_info.h: Regenerate magic number
(child_info): Remove pppid_handle.
* cygthread.h (cygthread::release): New method. Frees thread without waiting.
* cygthread.cc (cygthread::stub): Set _ctinfo in _mytls to point to information
for executing thread. Don't call SetEvent if thread is no longer in use.
(cygthread::simplestub): Ditto.
* cygtls.h (_cygtls::_ctinfo): New element contains pointer to information
about executing cygthread, if any.
* dcrt0.cc: Remove last vestiges of per_thread stuff.
(dll_crt0_0): Ditto. Remove accommodation for ppid_handle.
(do_exit): Remove obsolete reparenting test.
(_exit): Exit with a more SUSv3-like exit value.
* dtable.cc (dtable::stdio_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* exceptions.cc (open_stackdumpfile): Ditto.
(handle_exceptions): Ditto.
(ctrl_c_handler): Ditto.
(sig_handle_tty_stop): Ditto. Let parent send signal to itself on STOP.
(sigpacket::process): Comment out vfork test.
(signal_exit): Use more SUSv3-like exit value on signal.
* external.cc (fillout_pinfo): Don't set hProcess.
* fork.cc: Remove VFORK cruft.
(per_thread::set): Delete.
(fork_child): Remove perthread stuff.
(fork_parent): Remove obsolete subproc_init. Accommodate new method for
tracking subprocesses.
* pinfo.cc (set_myself): Accommodate new pinfo/_pinfo layout. Set some things
here that used to be set in wait_sig.
(_pinfo::exit): Set exitcode here. Close process pipe.
(_pinfo::commune_send): Accommodeate new pinfo/_pinfo layout.
(proc_waiter): New function. Waits, in a thread for subprocess to go away.
(pinfo::wait): New function. Initialization for proc_waiter.
* pinfo.h (_pinfo::exitcode): New element.
(_pinfo::cygstarted): Ditto.
(_pinfo::wr_proc_pipe): Ditto.
(_pinfo::ppid_handle): Delete.
(_pinfo::hProcess): Delete.
(_pinfo::lock): Delete.
(pinfo::hProcess): New element.
(pinfo::lock): Ditto.
(pinfo::wait): Declare new function.
(pinfo::preserve): Define new function.
* sigproc.cc: Remove old stuff from wait_subproc thread based method.
(zombies): Remove.
(procs): New.
(my_parent_is_alive): Just check that the parent pid exists.
(mychild): Just use pinfo methods to determine if child is mine.
(proc_subproc): Revamp PROC_ADDCHILD to use pinfo::wait. Remove
PROC_CHILDTERMINATED logic. Use different method to remove processes from list
when SIGCHLD == SIG_IGN.
(proc_terminate): Gut.
(subproc_init): Delete.
(init_child_info): Remove setting of pppid_handle.
(checkstate): Revamp to only scan procs array.
(remove_proc): Rename from remove_zombie. Don't close hProcess or pid_handle.
Don't release memory if it's myself.
(stopped_or_terminated): Change logic to handle new consolidated proc/zombie
array.
(wait_subproc): Delete.
* sigproc.h: Remove obsolete EXIT_* defines.
(subproc_init): Remove declaration.
* spawn.cc (spawn_guts): Remove reparenting stuff. Use standard wait logic to
wait for child if started from a non-cygwin process.
* tlsoffsets.h: Regenerate.
* tty.cc (tty_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* include/sys/signal.h (external_pinfo::exitcode): Replace hProcess.
* include/sys/wait.h (WCOREDUMP): Define.
* fhandler_tty.cc (fhandler_tty_slave::read): Add debugging output for timeout
case.
* signal.cc (abort): Flag that we are exiting with the ABORT signal.