* dcrt0.cc (dll_crt0_1): Use timeBeginPeriod to set default resolution to 1 ms.
* pinfo.cc (pinfo::thisproc): Set ppid for redirected _pinfo blocks too.
(pinfo::init): Avoid using VirtualQuery. Just rely on the assumption that
procinfo will be populated.
* pinfo.h (_pinfo::ppid): Move into redirected block.
stacksize to SIZE_T. Cast to SIZE_T in pointer arithmetic. Slightly
enhance output in case of a fatal error.
* fork.cc (frok::parent): Always set ch.stackaddr to DeallocationStack
value of current thread to help stack reservation in
child_info_fork::alloc_stack_hard_way along. Simplify subsequent code
storing stack values in ch. Print guardsize in hex, too.
* dcrt0.cc (parent_sigmask): Delete.
(dll_crt0_1): Use spawn_info->moreinfo->sigmask rather than saved parent signal
mask.
* thread.cc (pthread::thread_init_wrapper): Add comment stressing the
importance of maintaining ordering of statements.
* cygheap.cc (init_cygheap::find_tls): Rename threadlist_ix -> ix. Only take
one pass through thread list, looking for eligible threads to signal. Set a
new param indicating that function has found a sigwait* mask.
* cygheap.h (init_cygheap::find_tls): Reflect new parameter.
* dcrt0.cc (parent_sigmask): New variable.
(child_info_spawn::handle_spawn): Save parent's signal mask here.
(dll_crt0_1): Restore parent's signal mask to tls sigmask as appropriate. Call
sig_dispatch_pending to flush signal queue when we can finally do something
with signals.
* exceptions.cc (sigpacket::process): Avoid attempting to handle signals if we
haven't finished initializing. Rely on the fact that find_tls will do mask
checking and don't do it again. Delete ill-named 'dummy' variable.
* sigproc.cc (cygheap_exec_info::alloc): Save calling thread's signal mask in
new sigmask field.
(wait_sig): Try to debug when WFSO fails and DEBUGGING is defined.
* thread.cc (pthread::set_tls_self_pointer): Make this a true automatic method
rather than inexplicably relying on a thread parameter.
(pthread::thread_init_wrapper): Accommodate set_tls_self_pointer change to
non-static. Initialize sigmask before setting tid or suffer signal races.
* ehread.h (pthread::set_tls_self_pointer): Make non-static, delete parameter.
* dcrt0.cc (do_exit): Just set exit_state to ES_EVENTS_TERMINATE and nuke call
to events_terminate which just set a superfluous flag.
* sigproc.cc (signal_exit_code): New variable.
(setup_signal_exit): Define new function.
(_cygtls::signal_exit): Remove accommodations for closing the signal pipe
handle.
(exit_thread): Just sleep if we're exiting.
(wait_sig): If signal_exit_code is set, just handle bookkeeping signals and
exit ReadFile loop if there is nothing more to process. Call signal_exit at
end if signal_exit_code is non-zero.
* sigproc.h (setup_signal_exit): Declare new function.
* exceptions.cc (sigpacket::process): Use setup_signal_exit to control exiting
due to a signal.
(exception::handle): Ditto. Query exit_state rather than defunct exit_already
to determine if we are exiting.
* globals.cc (ES_SIGNAL_EXIT): New enum.
* sync.h (lock_process::release): New function for explicitly unlocking muto.
(lock_process::~lock_process): Use release method.
handling to print non-printable characters using hex notation.
* smallprint.cc (__small_vsprintf): Semi-reimplement printing of non-printable
characters in hex but only when padding is specified.
* dcrt0.cc (dll_crt0_0): Remove tty_list initialization.
* shared.cc (memory_init): Initialize tty_list here.
* path.cc (path_conv::check): Remove unneeded parentheses from if check.
* cygserver_ipc.h (ipc_set_proc_info): Use _cygtls::ipc_set_proc_info to set
per-thread signal arrived value.
* cygthread.cc (cygthread::detach): Use per-thread signal_arrived via
set_thread_waiting.
* fork.cc (_cygtls::fixup_after_fork): Clear signal_arrived.
(_cygtls::remove): Close any signal_arrived handle when thread exists.
(_cygtls::find_tls): Remove unneeded function.
* cygtls.h: Update copyright.
(class _cygtls): Reorganize to help avoid rebuilding newlib when structure
changes.
(_cygtls::event): Delete.
(_cygtls::threadkill): Ditto.
(_cygtls::signal_waiting): Declare new bool.
(_cygtls::find_tls): Delete declaration.
(_cygtls::set_threadkill): Ditto.
(_cygtls::reset_threadkill): Ditto.
(_cygtls::set_signal_arrived): Declare new function.
(class set_thread_waiting): Declare new class.
* cygwait.cc (cw_nowait_storage): Define.
(cygwait): Set per-thread signal_arrived via set_thread_waiting. Don't
special-case _main_tls.
* cygwait.h (cw_nowait): Define.
(cw_infinite): Ditto.
(cygwait): Redefine pathological wait-only case.
* dcrt0.cc (dll_crt0_0): Remove call to now-defunct events_init().
(dll_crt0_1): Remove call to now-defunct create_signal_arrived().
* exceptions.cc: Reflect set_signal_mask() argument reordering throughout.
Remove signal mask synchronization throughout.
(events_init): Delete definition.
(mask_sync): Delete now-unneeded mask synchronization.
(set_signal_mask): Reverse order of arguments to "standard" to, from layout.
Rename "newmask" argument to "setmask". Remove debugging.
(sig_handle_tty_stop): Use cancelable_wait rather than WFMO.
(_cygtls::interrupt_setup): Don't treat "threadkill" events specially.
Conditionally set signal_arrived depending on whether the thread has created it
or not.
(sigpacket::process): Reorganize to reflect thread-specific sending of signals
which is more in line with the way it was actually supposed to work.
* fhandler_socket.cc (get_inet_addr): Use cancelable_wait rather than
IsEventSignalled to avoid potential race.
(fhandler_socket::wait_for_events): Set signal_arrived event using
set_thread_waiting().
(fhandler_socket::close): Use cygwait for the case of just waiting 10 ms for a
signal.
* fhandler_tape.cc (fhandler_dev_tape::_lock): Use cancelable_wait rather than
WFMO. Redo switch/case tests accordingly.
* fhandler_termios.cc (fhandler_termios::bg_check): Use cygwait for case of
just waiting 0 ms for a potential signal.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Use
cancelable_wait rather than WFSO.
* fhandler_windows.cc (fhandler_windows::read): Set per-thread signal_arrived
via set_thread_waiting().
* flock.cc (lf_setlock): Ditto.
* select.cc (pselect): Ditto. Set per-thread signal_arrived using
set_thread_waiting().
* gendef: Don't special case handling of _cygtls::sig for threads.
* gentls_offsets: Use #pragma once in tlsoffsets.h.
* ntdll.h: Use #pragma once.
* poll.cc: Reflect set_signal_mask() argument reordering.
* posix_ipc.cc (ipc_mutex_lock): Use cancelable_wait rather than WFMO.
(ipc_cond_timedwait): Set perl-thread signal arrived using
set_thread_waiting().
* security.h: Use #pragma once.
* signal.cc (abort): Reflect set_signal_mask() argument reordering.
(clock_nanosleep): Ditto. Change call to cancelable_wait to properly specify
handling of cancel and interrupt.
(sigwaitinfo): Remove handling of per-thread event in favor of per-thread
signal_arrived. Use cancelable_wait rather than WFSO.
* sigproc.cc (signal_arrived): Delete definition.
(create_signal_arrived): Ditto.
* sigproc.h (signal_arrived): Delete declaration.
(set_signal_mask): Avoid defining as a "C" function. Don't conditionally
declare.
(create_signal_arrived): Delete declaration.
* syscalls.cc (rename): Use cygwait() rather than WFSO.
* thread.h (fast_mutex::lock): Use cw_infinite rather than LARGE_NULL.
* wait.cc (wait4): Ditto.
* thread.cc (pthread_mutex::lock): Ditto.
(pthread::join): Ditto.
(semaphore::_wait): Ditto.
(pthread_kill): Remove set_threadkill() accommodation.
* tlsoffsets.h: Regenerate.
* child_info.h (child_info_spawn::parent_winpid): Declare new field.
(child_info_spawn::get_parent_handle): Declare new function.
* dcrt0.cc (child_info_spawn::get_parent_handle): Define new function.
(child_info_spawn::handle_spawn): Recreate parent handle if possible when
dynamically loaded. Don't mess with parent handle if it's NULL.
* spawn.cc (child_info_spawn::worker): Set parent_winpid appropriately.
* cygheap.h (init_cygheap::pid_handle): Delete.
* dcrt0.cc (child_info_spawn::handle_spawn): Keep parent open if we have
execed.
* pinfo.cc (pinfo::thisproc): Remove pid_handle manipulations.
(pinfo::init): Don't consider a reaped process to be available.
* spawn.cc (child_info_spawn::worker): Remove pid_handle manipulations. Make
wr_proc_pipe and parent noninheritable when starting a program which doesn't
use the Cygwin DLL. Conditionally reset wr_proc_pipe to inheritable if
CreateProcess fails. Inject wr_proc_pipe handle into non-Cygwin process.
Consider a non-cygwin process to be 'synced'.
(dtable::release): "Close" standard handle if appropriate.
* dcrt0.cc (dll_crt0_0): Fix minor switch formatting problem.
* fork.cc (frok::parent): Make minor comment indentation change.
(child_info::rd_proc_pipe): Declare new field.
(child_info::wr_proc_pipe): Ditto.
(child_info::prefork): Declare new function, derived from previous pinfo
version.
* dcrt0.cc (child_info_fork::handle_fork): Close previous wr_proc_pipe when
appropriate and assign new one from passed-in child_info block.
(child_info_spawn::handle_spawn): Assign our wr_proc_pipe handle from passed-in
child_info block.
* fork.cc (child_info::prefork): Define new function.
(frok::child): Clear rd_proc_pipe and wr_proc_pipe so they will not be closed
by the child_info destructor.
(frok::parent): Use child_info prefork handling, outside of retry loop. Set
rd_proc_pipe in child's pinfo after successful CreateProcess. Eliminate
postfork call.
* globals.cc (my_wr_proc_pipe): Define/declare new variable.
* pinfo.cc (pinfo::pending_rd_proc_pipe): Delete.
(pinfo::pending_wr_proc_pipe): Ditto.
(pinfo::prefork): Ditto.
(pinfo::postfork): Ditto.
(pinfo::postexec): Ditto.
(pinfo::wait): Assume that rd_proc_pipe is set up correctly prior to call.
(_pinfo::alert_parent): Replace "wr_proc_pipe" with "my_wr_proc_pipe".
* pinfo.h (_pinfo::_wr_proc_pipe): Delete declaration.
(_pinfo::set_rd_proc_pipe): Define new function.
(pinfo::pending_rd_proc_pipe): Delete declaration.
(pinfo::pending_wr_proc_pipe): Ditto.
(pinfo::prefork): Ditto.
(pinfo::postfork): Ditto.
(pinfo::postexec): Ditto.
(pinfo::wr_proc_pipe): Ditto.
* sigproc.cc (child_info::child_info): Clear rd_proc_pipe and wr_proc_pipe.
(child_info::cleanup): Close rd_proc_pipe and wr_proc_pipe if necessary.
(child_info_fork::child_info_fork): Set forker_finished to NULL by default.
(child_info_spawn::child_info_spawn): Use my_wr_proc_pipe rather than
myself->wr_proc_pipe.
(child_info::sync): Ditto.
(child_info_spawn::cleanup): Call child_info::cleanup.
* spawn.cc (child_info_spawn::worker): Remove call to myself.prefork(). Set
wr_proc_pipe when execing or set up new rd_proc_pipe/wr_proc_pipe via
child_info::prefork when spawning. Remove call to pinfo::postexec. Set
rd_proc_pipe in child pinfo when spawning. Use my_wr_proc_pipe rather than
myself->wr_proc_pipe. Remove call to postfork.
the pthread stack setup.
* wow64.cc (wow64_revert_to_original_stack): Rephrase some comments.
Return _tlsbase-16 rather than _main_tls-4 so as not to waste stack.
rather than for wincap.is_wow64. Accommodate name change from
wow64_has_64bit_parent to wow64_needs_stack_adjustment. Align comment.
(_dll_crt0): Ditto.
* wincap.h (wincaps::wow64_has_secondary_stack): New element.
* wincap.cc: Implement above element throughout.
(wincapc::init): Set wow64_has_secondary_stack to false on non-64 bit
systems.
* wow64.cc (wow64_needs_stack_adjustment): Rename (hopefully the last
time) from wow64_has_64bit_parent.
(wow64_eval_expected_main_stack): Fix comment to reflect real life.
(wow64_test_for_64bit_parent): Fix comment.
* wow64.h (wow64_needs_stack_adjustment): Accommodate new name.
parent stack fits into the child stack. Align comment.
* wow64.cc (wow64_eval_expected_main_stack): New function to fetch
expected addresses of main thread stack from PE/COFF image header
values.
(wow64_test_for_64bit_parent): Fix comment. Check current stack
against real expected main thread stack addresses.
(wow64_revert_to_original_stack): Fix and add comments. Check memory
against real expected main thread stack addresses. Use orignal stack
if reserved area is >= 256K.
* dcrt0.cc (CYGWIN_GUARD): Drop execute permission for stack, it's
not used for stacks by the OS either.
(child_info_fork::alloc_stack_hard_way): Ditto.
(child_info_fork::alloc_stack): Don't alloc_stack_hard_way under WOW64
if forked from a 64 bit parent. Set child's StackBase to parent's
StackBase. Add comments to explain why.
(wow64_respawn): Move to wow64.cc.
(wow64_started_from_native64): Move to wow64.cc.
(respawn_wow64_process): Move to wow64.cc.
(dll_crt0_0): Drop wow64_test_stack_marker and move stack test into
wow64_test_for_64bit_parent function. Don't return early if WOW64
process has been started from native 64 bit process.
(_dll_crt0): Implement moving stack for WOW64 processes started from
native 64 bit process.
* wow64.cc: New file.
(wow64_has_64bit_parent): Rename from wow64_respawn.
(wow64_test_for_64bit_parent): Rename from wow64_started_from_native64.
Change comment.
(wow64_revert_to_original_stack): New function.
(wow64_respawn_process): Rename from respawn_wow64_process for symmetry.
* wow64.h: New file.
information.
* exceptions.cc (_cygtls::inside_kernel): Modernize comment. Consider
executing a DLL from the Wow64 directory as being "in the kernel".
(_cygtls::call_signal_handler): For now, only deal with main_tls signals if
main_tls is known to be executing in the cygwin DLL. To more closely emulate
linux, consider the operation to be restartable if not executing in the main
thread.
* globals.cc (windows_system_directory): Remove NO_COPY.
(windows_system_directory_length): Ditto.
(system_wow64_directory): New variable.
(system_wow64_directory_length): Ditto.
* select.cc (cygwin_select): Don't issue a EINTR on non-main threads since that
seems to be what Linux does. Add missing break to signal case/switch.
(select_stuff::wait): Don't issue a EINTR on non-main threads since that seems
to be what Linux does. Remove now-unneeded accommodation for
WAIT_IO_COMPLETION. Add a comment.
* sigproc.h (cygwait): Ditto. Don't return if signal_received noticed and it's
not the main thread.
* signal.cc (sigprocmask): Add standard syscall debug stuff.
* thread.cc (pthread_sigmask): Ditto.
(wow64_started_from_native64): New function to check if a WOW64
process got started from a native 64 bit process.
(respawn_wow64_process): New function to respawn process.
(dll_crt0_0): When started from a native parent, check if parent
is a 64 bit process. If so, return early.
(_dll_crt0): Respawn WOW64 process here if required.
* init.cc (respawn_wow64_process): Remove.
(dll_entry): Rename wow64_test_stack_marker to test_stack_marker.
Drop WOW64 test here.
process of setting up the DLL and no name is known.
* dcrt0.cc (initial_env): Remove CYGWIN_SLEEP stuff.
(get_cygwin_startup_info): Activate strace here as appropriate.
(dll_crt0_0): Move get_cygwin_startup_info as early as possible to avoid
missing strace output.
* fork.cc (frok::child): Move debugging statement to point where ppid will be
set.
* pinfo.cc (pinfo::thisproc): Remove obsolete call to strace.hello. Tweak
debug output slightly.
* select.cc (select_stuff::wait): Allow APCS to be triggered while waiting
since we use them now. Report when that happens.
* sigproc.cc (child_info::child_info): Use strace.active() rather than
strace.attached().
* spawn.cc (child_info_spawn::worker): Only write strace child pid when we know
it's a cygwin process. Accommodate change to write_child argument list.
* strace.cc (strace::hello): Delete. Move functionality...
(strace::activate): ...to here.
(mypid): Just use raw GetCurrentProcessId () if myself isn't set.
(strace::write_childpid): Don't wait for subproc_ready. Remove arg which was
required for it.
* include/sys/strace.h (strace::hello): Delete.
(strace::write_childpid): Delete first argument.
* dcrt0.cc (get_cygwin_startup_info): Signal readiness when stracing since
strace::write_child relies on it. Use strace.activate to notify strace
process, passing in arg indicating whether we're forked.
* sigproc.cc (wait_sig): Accommodate new strace::activate argument.
* spawn.cc (child_info_spawn::worker): Oops. Previous suspended test was
actually correct. Revert and document.
* strace.cc (strace::activate): Send additional flag indicating whether this is
an attempt to activate a forked process.
(strace::hello): Report on windows pid.
* include/sys/strace.h (strace::strace): Make a dummy.
(strace::activate): Modify declaration to accept an argument.
(strace::write_childpid): Set regparm.
(cygheap_exec_info::nchildren): Move from child_info_spawn.
(cygheap_exec_info::cchildren): Ditto.
(cygheap_exec_info::record_children): Declare new function.
(cygheap_exec_info::reattach_children): Ditto.
(cygheap_exec_info::alloc): Ditto.
(child_info_spawn::nchildren): Move to cygheap_exec_info.
(child_info_spawn::cchildren): Ditto.
* sigproc.cc (cygheap_exec_info::alloc): Define new function.
(child_info_spawn::cleanup): Accommodate move of children info to
cygheap_exec_info.
(cygheap_exec_info::record_children): Define new function.
(cygheap_exec_info::reattach_children): Ditto.
(child_info_spawn::record_children): Use cygheap_exec_info function to
accomplish this task.
(child_info_spawn::reattach_children): Ditto.
* spawn.cc (child_info_spawn::worker): Allocate moreinfo using
cygheap_exec_info::alloc.
* dcrt0.cc (child_info_fork::alloc_stack_hard_way): Use abort for the error to
avoid a retry.
Throughout rename _PROC_* to _CH_*.
* child_info.h: Include "pinfo.h".
(child_info_types): Rename _PROC_* -> _CH_* to avoid confusion with similarly
named constants.
(_PROC_*): Delete unneeded aliases.
(PROC_*): Ditto.
(CURR_CHILD_INFO_MAGIC): Ditto.
(cchildren): Define using "pinfo_minimal".
(child_info::set_saw_ctrl_c): Move to
(child_info_spawn::set_saw_ctrl_c): Here.
(child_info_spawn::lock): New field.
(child_info_spawn::hExeced): Ditto.
(child_info_spawn::ev): Ditto.
(child_info_spawn::~child_info_spawn): Move to sigproc.cc.
(child_info_spawn::child_info_spawn): Ditto.
(child_info_spawn::cleanup): Declare new function.
(child_info_spawn::set_saw_ctrl_c): Move to this class. Set flag only when
execed and return true when we have set the flag.
(child_info_spawn::child_info_spawn::signal_myself_exited): New function.
(child_info_spawn::wait_for_myself): Ditto.
(child_info_spawn::has_execed_cygwin): Ditto.
(child_info_spawn::has_execed): Ditto. Replaces "hExeced" test.
(child_info_spawn::operator HANDLE&): New operator.
(child_info_spawn::worker): Define old "spawn_guts" as class member.
(ch_spawn): Declare.
(have_execed): Define.
(have_execed_cygwin): Ditto.
* cygheap.h: Update comment.
* dcrt0.cc (get_cygwin_startup_info): Use _CH_* enums.
(child_info_spawn::handle_spawn): Ditto.
(dll_crt0_0): Ditto.
(multiple_cygwin_problem): Ditto.
* exceptions.cc (chExeced): Delete obsolete declaration.
(ctrl_c_handler): Reference set_saw_ctrl_c via new ch_spawn global.
* globals.cc (hExeced): Delete.
* pinfo.cc (pinfo::thisproc): Refer to cygheap as ::cygheap for consistency in
handle naming when -DDEBUGGING.
(pinfo::init): Accommodate case where myself.h is known but h0 is passed in.
(pinfo::pinfo): New constructor for setting up a pinfo passed in by previous
exec'or.
(pinfo::proc_waiter): Don't handle subprocess if we're in the process of
exiting due to an exec of a cygwin process. Don't close rd_proc_pipe here.
Close it when we actually are finished with the process. Use new
ch_spawn.signal_myself_exited function to let exec stub know that subprocess
has exited.
(pinfo::wait): Clarify debugging output.
(pinfo::release): Use "close_h" to close all handles to avoid races.
(winpids::add): Assume that elements of the array do not need to be zeroed and
are properly initialized or suffer problems on pinfo::release. Don't close
hProcess since release does that now.
* pinfo.h: Update comment.
(pinfo_minimal): Move some elements from pinfo here so that child_info_spawn
can use them.
(pinfo): Inherit from pinfo_minimal.
(pinfo::pinfo): Modify to accommodate new pinfo_minimal.
(pinfo::allow_remove): New function.
* sigproc.cc (proc_subproc): Use boolean values for true/false. Implement
PROC_EXEC_CLEANUP.
(proc_terminate): Set ppid = 1 since the procs list will only be iterated when
the process has not execed. Don't do any cleanup here since it is now handled
in pinfo::release.
(sigproc_init): Initialize sync_proc_subproc earlier.
(child_info::child_info): Assume that all important fields are properly
initialized and avoid memset().
(child_info_spawn::child_info_spawn): Specifically test for execing and then
set up appropriate fields in the struct.
(child_info_spawn::cleanup): Define new function.
(child_info_spawn::record_children): Specifically test for being execed here.
Fill in pinfo_minimal part of children array.
(child_info_spawn::reattach_children): Use constructor to duplicate information
for previous exec'or. Add more debugging output.
(remove_proc): Force deletion of thread when exiting due to exec. Rely on
pinfo::cleanup in release.
* sigproc.h (PROC_EXEC_CLEANUP): New enum.
(PROC_DETACHED_CHILD): Delete.
* spawn.cc (chExeced): Delete.
(child_info_spawn::worker): Rename from spawn_guts. Use elements of
child_info_spawn throughout rather than ch.whatever. Use ::cygheap to refer to
global rather than element of child_info. Use wait_for_myself() rather than
waitpid(). Call child_info_spawn::cleanup on function return.
(spawnve): Reflect movement of spawn_guts functionality into
child_info_spawn::worker.
* syscalls.cc (popen): Ditto.
* winsup.h (spawn_guts): Delete declaration.
(child_info_spawn::nchildren): Rename from nprocs.
(child_info_spawn::children): Change type to cchildren for more bookkeeping
possibilities.
(child_info_spawn::child_info_spawn): Clear nchildren.
(child_info_spawn::record_children): Declare new function.
(child_info_spawn::reattach_children): Ditto.
* dcrt0.cc (child_info_spawn::handle_spawn): Call reattach_children to gather
list of processes we are potentially waiting for.
* pinfo.h (pinfo::pinfo): Make sure that rd_proc_pipe is always cleared.
(pinfo::reattach): New function.
* sigproc.cc: Move pinfo.h earlier so that it can be used in sigproc.h.
(get_proc_lock): Don't bother with a lock during DLL initialization.
(proc_subproc): Handle PROC_REATTACH_CHILD.
(proc_terminate): Orphan children only when we are not an execed process or
when the pid is about to be occupied by a non-cygwin process.
(child_info_spawn::record_children): Define new function.
(child_info_spawn::reattach_children): Ditto.
* sigproc.h (procstuff): Define PROC_REATTACH_CHILD and renumber other
elements.
* spawn.cc (spawn_guts): Record any to-be-waited-for subprocesses if about to
exec a cygwin process.
* sigproc.cc (sig_send): Fix harmless transposition of fifth and six arguments
to DuplicateHandle().
(child_info::child_info): Ditto.
* globals.cc (hExeced): Make NO_COPY.
* cygthread.h (cygthread::create): Use correct regparm.
(cygthread::standalone): Delete from class and from all constructors.
(cygthread::cygthread): Use three only arguments for detached threads, and
start the thread via QueueUserAPC/async_create.
* dcrt0.cc (dll_crt0_0): Remove handling for wincap.has_buggy_thread_startup.
(dll_crt0_1): Ditto.
* wincap.cc: Ditto throughout.
* wincap.h: Ditto.
* strace.cc (strace::hello): Drop printing DLL information here since
application info is not always available at this point.
(strace::dll_info): New method to print DLL info.
* include/sys/strace.h (strace::dll_info): Declare.
* child_info.h: Redefine CURR_CHILD_INFO_MAGIC.
(child_info_fork::abort): Rename from handle_failure. Change arguments.
* cygtls.h (_local_storage::ttybuf): New field.
* dcrt0.cc (vapi_fatal): Split api_fatal. Add "in forked process" to message
when appropriate.
(api_fatal): Use vapi_fatal.
* devices.h: Make multiple inclusion safe.
(fh_devices): Add FH_CONS* stuff. Reorder slightly.
(device): Eliminate anonymous union. Add more ways to access minor/major.
(device::setunit): Accommodate no-longer-anonymous union.
(device::is_fs): Ditto.
(device::is_fs_special): Ditto.
(device::major): New function.
(device::minor): Ditto.
(device::is_device): New function.
(device::not_device): Ditto.
(device::operator int): New operator.
(device::operator fh_devices): Ditto.
(device::operator bool): Ditto.
(device::operator DWORD): Ditto.
(device::operator =): Ditto.
(isproc_dev): New function.
(isprocsys_dev): Ditto.
(iscons_dev): Ditto.
(istty_slave_dev): Ditto.
* devices.in: Add new "/dev/cons*" strings. Accommodate no-longer-anonymous
union throughout.
(BRACK): Use more precise method for initialization.
* devices.cc: Regenerate.
* dtable.cc (dtable::stdio_init): Use get_cttyp instead of get_tty.
(dtable::find_archetype): Use new DWORD operator in device to test archetypes.
(dtable::init_std_file_from_handle): Use different method to initialize 'dev'.
Adapt to different ctty handling and accommodate /dev/cons*.
(fh_alloc): Accommodate no-longer-anonymous union. Adapt to new /dev/cons*.
(build_fh_pc): Make debugging output more useful.
* exceptions.cc (ctrl_c_handler): Use get_cttyp instead of get_tty.
* external.cc (fillout_pinfo): Accommodate new cons* stuff.
* fhandler.cc (fhandler_base::read): Eliminate is_slow() test.
* fhandler.h (fhandler_base::*): Adapt to changes in device.h.
(fhandler_*::is_slow): Delete.
( fhandler_proc::get_proc_fhandler): Return fh_devices type.
* fhandler_console.cc (open_shared_console): New function.
(console_unit): New class.
(console_unit::console_unit): New constructor.
(enum_windows): New function. Declare as friend to console_unit.
(fhandler_console::set_unit): New function.
(fhandler_console::get_tty_stuff): Call set_unit to set the unit number and
determine if initialization is needed. Eliminate flags parameter.
(tty_list::get_cttyp): Rename (sorta) from get_tty. Return pointer to correct
tty_min.
(fhandler_console::open): Adapt to elimination of argument to get_tty_stuff.
(fhandler_console::output_tcsetattr): Properly detect error condition.
(fhandler_console::fixup_after_fork_exec): Adapt to get_tty_stuff() setting tc
automatically.
* fhandler_proc.cc: Use FH_BAD rather than 0 throughout where using fh_devices
enum.
(fhandler_proc::get_proc_fhandler): Return fh_devices. Adapt to devices.h
changes.
* fhandler_process.cc: Adapt to devices.h changes. Use FH_BAD rather than 0
throughout where using fh_devices enum.
* fhandler_procnet.cc: Ditto.
* fhandler_procsys.cc: Ditto.
* fhandler_procsysvipc.cc: Ditto.
* fhandler_tape.cc (fhandler_dev_tape::fhandler_dev_tape): Ditto.
* fhandler_termios.cc (handler_termios::bg_check): Use tc->ttyname() rather
than assuming that we can construct a tty.
* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Just return
get_minor() of dev.
(fhandler_pty_master::process_slave_output): Add slightly more debugging info.
(fhandler_tty_slave::fhandler_tty_slave): Change name from ntty to unit.
(fhandler_pty_master::open): Ditto.
(fhandler_tty_slave::ioctl): Adapt to change which causes ctty to represent a
complete device.
(fhandler_tty_master::init_console): Add debugging for failure path.
(fhandler_pty_master::setup): Use get_unit() to retrieve unit number rather
than relying on raw ntty.
(fhandler_pty_master::setup): Ditto.
* fhandler_virtual.h (virt_tab_t): Redefine fhandler as fh_devices.
* fork.cc: Remove obsolete vfork stuff.
(frok::child): Don't assume that a ctty == 0 is valid.
* mount.cc (mount_info::conv_to_win32_path): Adapt to device struct changes.
(mount_info::conv_to_win32_path): Ditto.
* path.cc (path_conv::check): Retrive major/minor numbers via a method rather
than accessing them directly from device. Rely on dev operators to
set/retrieve device information as required by device struct change.
* path.h (isproc_dev): Move to devices.h.
(isprocsys_dev): Ditto.
(isvirtual_dev): Ditto.
(path_conv:{isdevice,isfifo,isspecial,iscygdrive,issocket,get_devn,get_unitn}):
Use device methods to access/manipulate devices.
* pinfo.cc (pinfo::exit): Don't assume that ctty == 0 is valid. Use iscons_dev
to determine if a device is a console.
(_pinfo::_ctty): Use device::parse to generate tty/cons name.
(_pinfo::set_ctty): Don't assume that ctty == 0 is valid. Remove redundant
info from debugging.
* shared.cc (offsets): Remove console offset.
* shared_info.h (shared_locations): Ditto.
* syscalls.cc (umask): Use device methods to manipulate device information.
(ctermid): Use device::parse to generate term device name.
* tlsoffsets.h: Regenerate.
* tty.cc (ttyslot): Return minor number of ctty since ctty now represents a
full device.
(tty::create_master): Set ctty to a complete device.
(tty_list::attach): Rework to detect new /dev/cons* stuff.
(tty_list::terminate): Adapt to changes to ctty.
(tty_list::init): Adapt to change to setntty - pass in device major number.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Define new function.
* tty.h (tty_min::ntty): Redefine as fh_devices.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Declare new function.
(tty::getntty): Declare as const.
(tty_list::operator []): Assure that only minor part of argument is used.
* dll_init.cc (dll_list::alloc): Detect mismatch of data segments early issuing
an explicit error message if necessary.
* heap.cc (heap_init): Adapt to changes from fork->handle_failure to
fork->abort.
* pinfo.h (EXITCODE_FORK_FAILED): New enum. (from Ryan Johnson)
* sigproc.cc (child_info_fork::abort): Rename from handle_failure. Change
arguments to allow passing in a printf-like message.
* winsup.h (api_fatal): Delete macro definition.
(api_fatal): Redefine from __api_fatal.
(vapi_fatal): Declare new function.
* include/sys/strace.h (strace_vprintf): Define new macro.
* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemHandleInformation.
(class child_info_fork): Remove stacksize, add stackaddr and guardsize
members.
* dcrt0.cc (child_info_fork::alloc_stack_hard_way): Partial rewrite
to regenerate the stack exactly as in the parent.
(child_info_fork::alloc_stack): Set stackaddr to 0, rather than
stacksize.
(dll_crt0_1): Check for stackaddr before changing the stack addresses
in the TEB.
* fork.cc (frok::child): Check for stackaddr here.
(frok::parent): Set ch.stackaddr and ch.guardsize if not called from
the main thread.
* init.cc (dll_entry): Replace pointer to NT_TIB with pointer to TEB.
Fix incorrectly changed address test before removing _my_tls.
Set StackLimit to NULL on Windows 2000. Explain why.
* miscfuncs.cc (struct thread_wrapper_arg): Store stackbase rather
than stacksize, store commitaddr, remove guardsize. Store all pointers
as char * for easier address arithmetic.
(thread_wrapper): Rewrite to remove OS stack before calling thread
function. Add lots of comments to explain what we do.
(CygwinCreateThread): Reserve our own stack in case we got no
application stack. Add comments.
* ntdll.h (struct _TEB): Extend defintion up to DeallocationStack
member.
* thread.cc (pthread_attr::pthread_attr): Use "(size_t) -1"
rather then 0xffffffff.
* wincap.h (wincaps::has_stack_size_param_is_a_reservation): New
element.
* wincap.cc: Implement above element throughout.
requested stack is application-provided within the user heap or an
mmapped region. If so, just use it. Add comment to explain why.
* miscfuncs.cc (thread_wrapper): If an application-provided stack
has been given, implement cygtls area at the stackbase. Fix comment.
* mmap.cc (is_mmapped_region): New function.
* winsup.h (is_mmapped_region): Declare.
closed since an fd may rely on a thread.
* fhandler_tty.cc: Reformat comment.
(fhandler_pty_master::pty_master_thread): Refuse ERROR_PIPE_CONNECTED state as
an error.
* globals.cc (exit_states): Reorder ES_THREADTERM.
* path.cc (find_fast_cwd_pointers): Remove excessively wordy DEBUGGING output.
(wincapc::has_buggy_thread_startup): Ditto.
* wincap.cc::wincap_*): Accommodate has_buggy_thread_startup.
(wincapc::init): Explicitly turn off has_buggy_thread_startup if not WOW64.
* cygthread.h (cygthread::thread_handle): Declare/define new method.
* dcrt0.cc (_dll_crt0): Don't call __sinit here.
(dll_crt0_0): Don't call sigproc_init during initialization if
wincap.has_buggy_thread_startup().
(dll_crt0_1): Defer sigproc_init to here when
wincap.has_buggy_thread_startup(). Call __sinit after we've determined that
we're not forking.
(__main): Rework comments. Add potential future reminder.
* dcrt0.cc (dll_crt0_0): Move sigproc initialization later to ensure everything
we need has been set up.
(dll_crt0_1): Streamline some logic slightly.
* sigproc.cc (no_signals_available): Add back dropped test for macro parameter.
* fhandler_console.cc (fhandler_console::write): Show a little bit of what's
being written to the console in debugging output.
__name.
* cygthread.h (cygthread::cygthread): Create versions which eliminate 'n'
parameter.
* dcrt0.cc (dll_crt0_1): Remove check for threadfunc_ix. Remove obsolete
comments. Set process_state to active here.
* fhandler_netdrive.cc (create_thread_and_wait): Use shortened cygthread
constructor.
* timer.cc (timer_tracker::settime): Ditto.
* window.cc (HWND): Ditto.
* fhandler_tty.cc: Use shortened cygthread constructor, where appropriate,
throughout.
* select.cc: Ditto.
* fork.cc (frok::child): Remove wait_for_sigthread.
(fork): Reformat if for slightly better clarity.
* init.cc (dll_finished_loading): New variable.
(dll_entry): Use dll_finished_loading to determine when we should call
merge_threadfunc.
* sigproc.cc (no_signals_available): Simplify by using my_readsig.
(wait_sig_inited): Delete.
(wait_sig): Define as void function.
(pending_signals): Accommodate change to wait_sig definition.
(wait_for_sigthread): Delete definition.
(sigproc_init): Initialize signal pipe here, before wait_sig thread is created.
Use void form of cygthread creation.
(init_sig_pipe): Delete.
(wait_sig): Return void rather than DWORD. Assume previous initialization of
signal pipe. Set my_sendsig to NULL when exiting.
* sigproc.h (wait_for_sigthread): Delete declaration.
(struct dll_info): Convert name to WCHAR.
(std_dll_init): Load DLLs with full path to windows system directory.
Add hint to Microsoft security advisory.
* dcrt0.cc (init_windows_system_directory): New function.
(dll_crt0_0): Call init_windows_system_directory first.
* exceptions.cc (windows_system_directory): Move to globals.cc.
(windows_system_directory_length): Ditto.
(events_init): Drop code fetching windows_system_directory.
* globals.cc (windows_system_directory): New global variable.
(windows_system_directory_length): Ditto.
* net.cc (load_ipv6_funcs): Use windows_system_directory rather than
GetSystemDirectoryW.
* netdb.cc (open_system_file): Ditto. Simplify debug output.
* dcrt0.cc (child_info_fork::handle_fork): Call _pei386_runtime_relocator here.
(dll_crt0_1): Ditto for non-fork case.
* dll_init.cc (dll::init): Complain more in comment. Clean up slightly.
(dll_dllcrt0_1): Call _pei386_runtime_relocator when we know we have a
filled-in per_process structure.
* globals.cc (__cygwin_user_data): Accommodate new fields for
_pei386_runtime_relocator.
* pseudo-reloc.cc: New file adapted from old lib/pseudo-reloc.c. Include
winsup.h directly. Collapse #ifdef __CYGWIN__ into one block. Perform minor
whitespace code reformatting.
(__report_error): Use small_printf to output error.
(_pei386_runtime_relocator): Conditionalize for cygwin to take per_process
pointer parameter.
* winsup.h (_pei386_runtime_relocator): Declare.
* include/cygwin/version.h
(CYGWIN_VERSION_PER_PROCESS_API_VERSION_COMBINED): New macro.
(CYGWIN_VERSION_USER_API_VERSION_COMBINED): Use above macro.
(CYGWIN_VERSION_USE_PSEUDO_RELOC_IN_DLL): New macro.
(CYGWIN_VERSION_API_MINOR): Bump to 227.
* include/sys/cygwin.h: Remove obsolete comment.
(per_process::unused2): Shorten.
(per_process::pseudo_reloc_start): New field.
(per_process::pseudo_reloc_end): Ditto.
(per_process::image_base): Ditto.
* lib/_cygwin_crt0_common.cc: Declare pseudo runtime externs needed for
per_process structure.
(_cygwin_crt0_common): Fill in pseudo_reloc runtime constants.
* lib/pseudo-reloc-dummy.c: New file. Dummy function to satisify ld.
* lib/pseudo-reloc.c: Delete.
* dcrt0.cc (cygwin_exit): Set exit_state to ES_EXIT_STARTING prior to calling
real exit.
* dll_init.cc (dll_list::detach): Remove dll from linked list and call
destructors even if exiting. Don't call __cxa_finalize in exiting case.
(user_info::version): Make LONG to accommodate spinlock use.
(user_info::create): New static function renamed from user_info_create.
(user_info::initialize): New private function renamed from
user_info_initialize.
(SHARED_VERSION): Delete.
(SHARED_VERSION_MAGIC): Ditto.
(USER_VERSION_MAGIC): Ditto.
(SHARED_INFO_CB): Ditto.
(USER_VERSION): Ditto.
(USER_VERSION_MAGIC): Ditto.
(CURR_SHARED_MAGIC): Update.
(CURR_USER_MAGIC): Ditto.
(shared_info::version): Make LONG to accommodate spinlock use.
(shared_info::create): New static function mirroring user_info::create.
(dll_crt0_1): Accommodate change to user_info::initialize.
* spinlock.h (spinlock::setto): New variable member.
(spinlock::done): New function.
(spinlock::spinlock): Generalize to allow arbitrary values and timeouts. Call
done() when lock is not needed.
* ntdll.h: Make multiple-inclusion safe.
(NtQuerySystemTime): Declare.
* shared.cc (installation_root_inited): Rename from shared_mem_inited.
(init_installation_root): Make inline. Use a spinlock to ensure that this is
initialized only once per session.
(user_info::initialize): Rename from user_shared_initialize. Protect with
spinlock on sversion and remove other spinlock-like things. Remove reference
to user_shared since it is now implicit. Refer to spinlock version of
multiple_cygwin_problem to ensure that any spinlock is released.
(user_info::create): Rename from user_shared_create. Accommodate change from
user_shared_initialize to user_info::initialize.
(shared_info::create): New inline function.
(shared_info::initialize): Protect with spinlock on sversion. Move heap_init
back under specific control of shared_info spinlock. Remove reference to
SHARED_INFO_CB and just use sizeof(*this).
(memory_init): Move all locking into respective functions where it is needed.
Accommodate name changes. Remove call to heap_init().
* syscalls.cc (seteuid32): Accommodate name change to user_info::create().
* mount.cc (mount_info::create_root_entry): Report on errors from add_item
since they should be nonexistent.
(mount_info::init): Don't initialize nmounts. It should already be zero. Give
more verbose error when root_idx < 0. Implicitly use this pointer rather than
explicitly referencing mount_table->.
(mount_info::add_item): Minor whitespace fix.
* miscfuncs.cc (yield): Rename from low_priority_sleep. Remove all of the
logic which called Sleep() and just use SwitchToThread.
* miscfuncs.h (yield): Rename from low_priority_sleep.
(SLEEP_0_STAY_LOW): Delete unused define.
* shared.cc (memory_init): Move heap_init() call directly after shared memory
initialization to more closely mimic long-standing program flow.
* tty.cc (tty_list::terminate): Replace call to low_priority_sleep with Sleep.
(_cygtls::andreas): Convert to a pointer.
(san): Convert to a real class with methods. Use a linked list to keep track
of previous handlers on the "stack".
(myfault): Rewrite to use new san class rather than calling directly into
_cygtls.
* cygtls.cc (_cygtls::init_exception_handler): Just assume that we're always
using the standard exception handler.
(_cygtls::init_thread): Reflect loss of argument to init_exception_handler.
* dcrt0.cc (dll_crt0_1): Ditto.
* dfcn.cc (dlopen): Ditto.
(dlclose): Reset the exception handler after FreeLibrary.
* dll_init.cc (dll_list::detach): Make sure that the exception handler is
initialized before calling destructors.
* exceptions.cc (_cygtls::handle_exceptions): Accommodate new andreas pointer.
* thread.cc (verifyable_object_isvalid): Pass objectptr to faulted for explicit
NULL pointer checking.
* tlsoffsets.h: Regenerate.
* thread.cc (pthread_mutex::can_be_unlocked): Remove check for
MUTEX_OWNER_ANONYMOUS since it is racy and unsafe.
(pthread::init_mainthread): Initialize thread directly from _my_tls.
(pthread::self): Ditto.
(pthread::get_tls_self_pointer): Delete.
(pthread_mutex::pthread_mutex): Use an event rather than a semaphore.
(pthread_mutex::lock): Rename from _<func>. Derive self directly.
(pthread_mutex::tryunlock): Ditto.
(pthread_mutex::destroy): Ditto.
(pthread_mutex::unlock): Ditto. Accommodate change from semaphore to event.
(pthread_mutex::_fixup_after_fork): Accommodate change from semaphore to event.
(pthread_mutex::init): Don't attempt to initialize a semaphore unless it is in
an initialized state. Do this check under mutex_initialization_lock.lock
* thread.h (fast_mutex::init): Use event rather than semaphore.
(fast_mutex::lock): Ditto.
(pthread_mutex::_lock): Delete.
(pthread_mutex::_unlock): Ditto.
(pthread_mutex::_trylock): Ditto.
(pthread_mutex::_destroy): Ditto.
(pthread_mutex::get_pthread_self): Ditto.
(pthread_mutex::get_tls_self_pointer): Ditto.
(pthread_mutex::lock): Un-inline.
(pthread_mutex::unlock): Ditto.
(pthread_mutex::trylock): Ditto.
(pthread_mutex::destroy): Ditto.
(cygwin_exit): Remove atexit lock.
(cygwin_atexit): Ditto. Rename parameter to match newlib. Call __cxa_atexit
when invoked by a registered DLL.
* dll_init.cc (remove_dll_atexit): Delete.
(dll_list::find): New function.
(dll_list::detach): Use dll_list::find to find dll associated with return
address. Use __cxa_finalize to run atexit functions associated with the dll.
(cygwin_detach_dll): Don't assume that HANDLE == void *.
* dll_init.h (dll_list::find): Declare.
(__cxa_atexit): Ditto.
(__cxa_finalize): Ditto.
* init.cc (dll_entry): Clarify comment.
according to context. Throughout, replace hMainThread with
GetCurrentThread/NtCurrentThread according to context.
* dcrt0.cc (dll_crt0_0): Drop duplication of GetCurrentProcess to
hMainProc. Drop duplication of GetCurrentThread to hMainThread.
* dtable.cc (dtable::stdio_init): Remove useless comment.
* globals.cc (hMainProc): Remove.
(hMainThread): Remove.
* ntdll.h (NtCurrentProcess): Define.
(NtCurrentThread: Define.
call initial_setlocale from here.
* syscalls.cc (initial_setlocale): Set internal charset and revert
application locale to "C".
(setlocale): Don't set Cygwin's internal charset here.
* dcrt0.cc (dll_crt0_1): Call setlocale (LC_CTYPE, "") here, just
before resetting application locale to "C".
* environ.cc (environ_init): Drop code setting locale here.
* syscalls.cc (check_codepage): Break out check for required codepage
from internal_setlocale.
(internal_setlocale): Just convert CWD and $PATH from old charset to
new charset and set internal charset.
(setlocale): Change accordingly. Don't require LC_ALL or LC_CTYPE to
store old locale value. Always call internal_setlocale if charset
changed due to locale environment changes.
(pdrive_buf): New place to hold information about cygdrive.
* fhandler_disk_file.cc (fhandler_cygdrive::set_drives): Store drive info in
pdrive_buf since get_win32_name() could now be too small to hold everything.
(fhandler_cygdrive::rewinddir): Reset pdrive to pdrive_buf.
(fhandler_cygdrive::closedir): Ditto.
* pipe.cc (fhandler_pipe::init): Be more defensive when referencing
get_win32_name(). Rework logic which made a copy of the POSIX path and then
never used it.
* dcrt0.cc (__main): Schedule dll_global_dtors to run
atexit before global dtors.
(do_exit): Delete test for ES_GLOBAL_DTORS and call to
dll_global_dtors.
(initial_env): Set jit_debug when we are automatically starting a gdb process.
* dtable.cc (dtable::get_debugger_info): Don't tty tricks when we are being
debugged by our own captive gdb, as determined by jit_debug == true.
(dtable::init_std_file_from_handle): Detect errors when initializing a tty
early rather than at random points later.
* fhandler.h (fhandler_*::init): Return int to indicate success/failure.
* fhandler.cc (fhandler_base::init): Reflect change in return value.
* pipe.cc (fhandler_pipe::init): Ditto.
(fhandler_pipe::create_selectable): Don't say we're retrying when we aren't.
* fhandler_console.cc (fhandler_console::init): Ditto. Return success/failure.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
(fhandler_tty_slave::open): Make debugging output more detailed.
* tty.cc (tty_list::terminate): Don't close I/O handles before all slaves have
checked in.
(tty::slave_alive): Make a non-inlined function. Check if tty pipe handles can
be created as an additional exists check.
* tty.h (tty::slave_alive): Just define here.
(init_cygheap): Inherit locale field via mini_cygheap.
* cygheap.cc (cygheap_at_start): Define new variable.
(cygheap): Initialize as cygheap_at_start so that locale information is always
available.
(cygheap_init): Initialize cygheap iff it is set to cygheap_at_start.
* shared_info.h (memory_init): Accommodate argument change.
* memory.cc (memory_init): Accept an argument indicating whether cygheap should
be initialized or not.
* dcrt0.cc (child_info_fork::handle_fork): Pass false to memory_init().
(child_info_spawn::handle_spawn): Ditto.
(dll_crt0_0): Pass true to memory_init when not forking or execing.
* cygheap.h (cygheap_types::HEAP_2_DLL): New enum.
* dll_init.h (dll): Remove unused namelen field.
(dll_list::load_after_fork): Accommodate change in arguments.
* dll_init.cc (dll_list::alloc): Allocate dll information in the cygwin heap.
(dll_list::detach): Free dll information from the cygwin heap.
(dll_list::load_after_fork): Use dll information in the cygwin heap directly
rather than querying parent.
* fork.cc (frok::first_dll): Delete.
(frok::child): Don't report on first_dll. Don't pass it to load_on_fork.
(frok::parent): Don't set first_dll.
(fork): Ditto.
* cygheap.h (struct cygheap_locale): New structure.
(struct user_heap_info): Add cygheap_locale member locale.
* dcrt0.cc (dll_crt0_1): Revert to calling _setlocale_r so that only
the applications locale is reverted to "C".
* environ.cc (environ_init): Remove unused got_lc variable.
* fhandler.h (class dev_console): Remove now unsed locale variables.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Remove
setting dev_console's locale members.
(dev_console::con_to_str): Use internal locale settings. Default to
__ascii_wctomb if charset is "ASCII".
(fhandler_console::write_normal): Ditto.
* strfuncs.cc (__ascii_wctomb): Drop declaration.
(__db_wctomb): Use fixed value 2 instead of not
necessarily matching MB_CUR_MAX.
(__eucjp_wctomb): Use 3 instead of MB_CUR_MAX.
(sys_cp_wcstombs): Remove special case for "C" locale.
(sys_wcstombs): Implement here. Use internal locale data stored on
cygheap.
(sys_cp_mbstowcs): Remove special case for "C" locale.
(sys_mbstowcs): Implement here. Use internal locale data stored on
cygheap.
* syscalls.cc (internal_setlocale): New function to set cygheap locale
data and to reset CWD posix path.
(setlocale): Just call internal_setlocale from here if necessary.
* wchar.h (__ascii_wctomb): Declare.
(sys_wcstombs): Don't define inline, just declare.
(sys_mbstowcs): Ditto.
(__ctype_default): New character class array for default ASCII
character set.
(__ctype_iso): New array of character class array for ISO charsets.
(__ctype_cp): Ditto for singlebyte Windows codepages.
(tolower): Implement as distinct function to support any singlebyte
charset.
(toupper): Ditto.
(__set_ctype): New function to copy singlebyte character classes
corresponding to current charset to ctype_b array.
Align copyright text to upstream.
* dcrt0.cc (dll_crt0_1): Reset current locale to "C" per POSIX.
* environ.cc (set_file_api_mode): Remove.
(codepage_init): Remove.
(parse_thing): Remove "codepage" setting.
(environ_init): Set locale according to environment settings, or
to current codepage, before converting environment to multibyte.
* fhandler.h (fhandler_console::write_replacement_char): Drop argument.
* fhandler_console.cc (dev_console::str_to_con): Call sys_cp_mbstowcs
rather than MultiByteToWideChar.
(fhandler_console::write_replacement_char): Always print a funny
half filled square if a character isn't in the current charset.
(fhandler_console::write_normal): Convert to using __mbtowc
rather than next_char.
* fork.cc (frok::child): Drop call to set_file_api_mode.
* globals.cc (enum codepage_type) Remove.
(current_codepage): Remove.
* miscfuncs.cc (cygwin_wcslwr): Unused, dangerous. Remove.
(cygwin_wcsupr): Ditto.
(is_cp_multibyte): Remove.
(next_char): Remove.
* miscfuncs.h (is_cp_multibyte): Drop declaration.
(next_char): Ditto.
* strfuncs.cc (get_cp): Remove.
(__db_wctomb): New function to implement _wctomb_r functionality for
doublebyte charsets using WideCharToMultiByte.
(__sjis_wctomb): New function to replace unusable newlib function.
(__jis_wctomb): Ditto.
(__eucjp_wctomb): Ditto.
(__gbk_wctomb): New function.
(__kr_wctomb): Ditto.
(__big5_wctomb): Ditto.
(__db_mbtowc): New function to implement _mbtowc_r functionality for
doublebyte charsets using MultiByteToWideChar.
(__sjis_mbtowc): New function to replace unusable newlib function.
(__jis_mbtowc): Ditto.
(__eucjp_mbtowc): Ditto.
(__gbk_mbtowc): New function.
(__kr_mbtowc): New function
(__big5_mbtowc): New function
(__set_charset_from_codepage): New function.
(sys_wcstombs): Reimplement, basically using same wide char to multibyte
conversion as newlib's application level functions. Plus extras.
Add lengthy comment to explain. Change return type to size_t.
(sys_wcstombs_alloc): Just use sys_wcstombs. Change return type to
size_t.
(sys_cp_mbstowcs): Replace sys_mbstowcs, take additional codepage
argument. Explain why. Change return type to size_t.
(sys_mbstowcs_alloc): Just use sys_mbstowcs. Change return type to
size_t.
* wchar.h: Declare internal functions implemented in strfuncs.cc.
(wcscasecmp): Remove.
(wcsncasecmp): Remove.
(wcslwr): Remove.
(wcsupr): Remove.
* winsup.h (codepage_init): Remove declaration.
(get_cp): Ditto.
(sys_wcstombs): Align declaration to new implementation.
(sys_wcstombs_alloc): Ditto.
(sys_cp_mbstowcs): Add declaration.
(sys_mbstowcs): Define as inline function.
(sys_mbstowcs_alloc): Align declaration to new implementation.
(set_file_api_mode): Remove declaration.
* include/ctype.h (isblank): Redefine to use _B character class.
(toupper): Remove ASCII-only definition.
(tolower): Ditto.
Christopher Faylor
Corinna Vinschen
Kai Tietz