be used by subsequent startup functions.
(dll_crt0_0): Issue a warning if DuplicateTokenEx fails and DEBUGGING.
(dll_crt0_1): Move user_data->{resourcelocks,threadinterface} initialization
here from dll_crt0_0.
* fork.cc (frok::child): Tell wait_for_sigthread that this is fork.
(frok::parent): Only initialize start_time once. Tighten time when we're
"deimpersonated".
* sigproc.cc (signal_fixup_after_exec): Rework (futiley) sa_buf stuff. Add
debugging output.
(wait_for_sigthread): Accept an argument which illustrates whether we are
forked or not.
(wait_sig): Avoid using myself pointer.
* winsup.h ((wait_for_sigthread): Reflect change to argument.
(fhandler_dev_floppy::get_drive_info): Rearrange so that now
NtQueryVolumeInformationFile is called on drives which don't support
IOCTL_DISK_GET_DRIVE_GEOMETRY.
* ntdll.h (struct _FILE_FS_SIZE_INFORMATION): Add.
(enum _FSINFOCLASS): Add missing values.
* signal.cc (_SA_NORESTART): New flag.
(sigaction_worker): New function, derived from sigaction. Don't set internal
flags unless called internally.
(sigaction): Use sigaction_worker.
(signal): Honor new _SA_NORESTART flag.
(siginterrupt): Set _SA_NORESTART flag appropriately. Use sigaction_worker to
set flags.
* include/cygwin/signal.h: Define _SA_INTERNAL_MASK here.
* dcrt0.cc (dll_crt0_0): Semi-revert 2006-03-14 change which moved pinfo_init
and uinfo_init here.
(dll_crt0_1): Ditto.
(__dll_crt0): Ditto. Don't call update_envptrs here.
(dll_crt0_1): Ditto. Move wait_for_sigthread call here from dll_crt0_0.
* environ.cc (environ_init): Call it here instead.
* sigproc.cc (my_readsig): New static variable.
(wait_for_sigthread): Set up read pipe here since we are assured that we have
the proper privileges when this is called.
(talktome): Eliminate second argument since it is available as a global now.
(wait_sig): Reflect use of my_readsig.
iscygwin.
(child_info::isstraced): Booleanize.
(child_info::iscygwin): Ditto.
* sigproc.cc (child_info::child_info): Minor cleanup of flag setting.
* spawn.cc (spawn_guts): Only close_all_files when we know the process has
started successfully.
* exceptions.cc (init_console_handler): Fix indentation.
* pinfo.cc (_pinfo::dup_proc_pipe): Reset wr_proc_pipe on failure. Return
previous pipe handle.
* pinfo.h (_pinfo::dup_proc_pipe): Reflect change to return value.
* spawn.cc (spawn_guts): Restore previous proc pipe on retry or if process
exits before synchronization.
(child_info::flag): Rename from 'straced'.
(child_info::isstraced): New function.
(child_info::iscygwin): Ditto.
(child_info_fork::handle_fork): Reparmize.
(child_info_fork::handle_failure): Ditto.
(child_info_spawn::handle_spawn): New function.
* dcrt0.cc (get_cygwin_startup_info): Use isstraced method.
(child_info_spawn::handle_spawn): Define new function from code previously in
dll_crt0_0.
(dll_crt0_0): Move spawn stuff into handle_spawn. Only call
init_console_handler for fork case.
* sigproc.cc (child_info::child_info): Set flag appropriately.
(child_info::proc_retry): Treat exit code as "funny" if it's a cygwin process.
* spawn.cc (spawn_guts): Remove commented out flag setting.
* sigproc.cc (child_info::sync): Return EXITCODE_OK if entering with exit_code
== 0.
(sig_send): Don't complain if sending signals while blocked if the sender isn't
in the main thread.
(child_info::retry): Move here from fork subclass.
(child_info::exit_code): New field.
(child_info::retry_count): Max retry count for process start.
(child_info::proc_retry): Declare new function.
(child_info_fork::retry): Move to parent.
(child_info_fork::fork_retry): Ditto.
* dcrt0.cc (child_info::fork_retry): Rename and move.
(child_info_fork::handle_failure): Move.
(dll_crt0_0): Initialize console handler based on whether we have a controlling
tty or not. Avoid nonsensical check for fork where it can never occur.
* environ.cc (set_proc_retry): Rename from set_fork_retry. Set retry_count in
child_info.
(parse_thing): Reflect above change.
* exceptions.cc (dummy_ctrl_c_handler): Remove unused variable name.
(ctrl_c_handler): Always return TRUE for the annoying CTRL_LOGOFF_EVENT.
* fhandler_termios.cc (fhandler_termios::tcsetpgrp): Remove call to
init_console_handler.
* fhandler_tty.cc (fhandler_tty_slave::open): Just call mange_console_count
here and let it decide what to do with initializing console control handling.
* fork.cc (fork_retry): Remove definition.
(frok::parent): Define static errbuf and use in error messages (not thread safe
yet). Close pi.hThread as soon as possible. Protect pi.hProcess as soon as
possible. Don't set retry_count. That happens automatically in the
constructor now. Accommodate name change from fork_retry to proc_retry.
* init.cc (dll_entry): Turn off ctrl-c handling early until we know how it is
supposed to be handled.
* pinfo.cc (_pinfo::dup_proc_pipe): Remember original proc pipe value for
failure error message. Tweak debug message slightly.
* sigproc.cc (child_info::retry_count): Define.
(child_info::child_info): Initialize retry count.
(child_info::sync): Set exit code if process dies before synchronization.
(child_info::proc_retry): Rename from child_info_fork::fork_retry. Use
previously derived exit code. Be more defensive about what is classified as an
error exit.
(child_info_fork::handle_failure): Move here from dcrt0.cc.
* spawn.cc (spawn_guts): Maintain error mode when starting new process to avoid
annoying pop ups. Move deimpersonate call within new loop. Move envblock
freeing to end. Loop if process dies prematurely with bad exit code.
* syscalls.cc (init_console_handler): Remove hopefully unneeded call to
init_console_handler.
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.
* dcrt0.cc (child_info_fork::fork_retry): Define new function.
* fork.cc (frok::parent): Move retry decision into child_info_fork::fork_retry
and honor what it tells us to do.
* sigproc.cc (sig_send): Unhold signals on __SIGEXIT.
(child_info_fork::retry): New field.
* dcrt0.cc (__api_fatal_exit_val): Define.
(child_info_fork::handle_failure): Define new function.
(__api_fatal): Exit using __api_fatal_exit_val value.
* environ.cc (set_fork_retry): Set fork_retry based on CYGWIN environment
variable.
(parse_thing): Add "fork_retry" setting.
* fork.cc (fork_retry): Define.
(frok::parent): Reorganize to allow retry of failed child creation if child
signalled that it was ok to do so.
* heap.cc (heap_init): Signal parent via handle_failure when VirtualAlloc
fails.
* pinfo.h (EXITCODE_RETRY): Declare.
* sigproc.cc (child_info::sync): Properly exit with failure condition if called
for fork and didn't see subproc_ready.
* spawn.cc (spawn_guts): Use windows pid as first argument.
* winsup.h: Remove obsolete NEW_MACRO_VARARGS define.
(__api_fatal_exit_val): Declare.
(set_api_fatal_return): Define.
(in_dllentry): Declare.
* exceptions.cc (inside_kernel): Remove unneeded in_dllentry declaration.
later. Add a comment.
* fork.cc (resume_child): Make void.
(frok::parent): Only zero pi when necessary. Explicitly zero si. Set
this_errno when child_copy fails. Accommodate change to resume_child.
* sigproc.cc (sigalloc): Move global_sigs initialization here.
(sigproc_init): Move global_sigs.
(sig_send): Just check for flush signals once.
* wincap.h: Define supports_setconsolectrlhandler_null throughout.
* wincap.cc: Ditto.
previously initialized.
* cygtls.h (_cygtls::initialized): Move nearer the end to catch situation when
Windows 98 mysteriously changes pieces of cygtls when thread is detaching.
* gendef (__sigfe_maybe): Simplify slightly.
* tlsoffsets.h: Regenerate.
(CYGTLSMAGIC): Delete.
* dcrt0.cc (dll_crt0_0): Call sigproc_init during init startup.
(_dll_crt0): Don't worry about sync_startup. Just wait for sigthread here.
* dll_init.cc (cygwin_detach_dll): Only pick up tls version of retaddr if we
have a valid tls.
* fork.cc (frok::child): Remove sigproc_init initialization since it happens
much earlier now.
* gendef: Recognize SIGFE_MAYBE.
(fefunc): Generate calls to _sigfe_maybe, if appropriate.
(_sigfe_maybe): New function.
* init.cc (search_for): Always initialize search_for, even on fork.
(calibration_thread): Delete.
(calibration_id): Delete.
(prime_threads): Delete.
(munge_threadfunc): Remove calibration_thread special case. Avoid calling
thread function if we haven't yet hit the "search_for" thread.
(dll_entry): Remove prime_threads call. Only call munge_threadfunc when
hwait_sig is active. Ditto. for _my_tls.remove ();
* sigproc.cc (hwait_sig): Make global.
(sigproc_init): Don't bother with sync_startup.
(sig_send): Treat flush as a no-op when signals are held.
(wait_sig): Cause signals to be held after fork.
(NtOpenDirectoryObject): Define.
(NtQueryDirectoryObject): Define.
* fhandler_proc.cc: Include ctype.h and wchar.h.
(format_proc_partitions): Revamp loop over existing harddisks by
scanning the NT native \Device object directory and looking for
Harddisk entries.
* ntdll.h: Rearrange system call declarations alphabetically.
(DIRECTORY_QUERY): Define.
(struct _DIRECTORY_BASIC_INFORMATION): Define.
(NtOpenDirectoryObject): Declare.
(NtQueryDirectoryObject): Declare.
* dll_init.cc (cygwin_detach_dll): Use new tls function to find return address
since this function is now signal guarded.
(update_envptrs): Remove unneeded braces.
* syscalls.cc (statvfs): Coerce full_path to avoid a gcc warning.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Move storing
fhandler in file descriptor table to some point very late in function
to avoid double free'ing. Add comment to explain what happens.
Add label free_mounts and don't forget to delete __DIR_mounts structure
if NtOpenFile fails.
dirent_saw_dev and dirent_saw_proc.
(fhandler_cygdrive::open): Declare.
(fhandler_cygdrive::close): Declare.
* fhandler_disk_file.cc (class __DIR_mounts): Move to beginning of file.
(__DIR_mounts::check_mount): New parameter to indicate if inode number
is needed in calling function or not. Add /proc and /cygdrive handling.
(__DIR_mounts::check_missing_mount): Ditto.
(path_conv::ndisk_links): Use __DIR_mounts class to create correct
hardlink count for directories with mount points in them.
(fhandler_disk_file::readdir_helper): Remove /dev, /proc and /cygdrive
handling.
(fhandler_cygdrive::open): New method.
(fhandler_cygdrive::close): New method.
(fhandler_cygdrive::fstat): Always return fixed inode number 2 and
fixed link count of 1. Drop call to set_drives.
(fhandler_cygdrive::opendir): Drop call to get_namehash.
(fhandler_cygdrive::readdir): Handle "." entry to return fixed inode
number 2.
* cygthread.cc (cygthread::callfunc): Revert below change. Make ev a manual
reset event again. so that it will be reset by WaitFor*Object as appropriate.
(cygthread::stub): Ditto.
(cygthread::terminate_thread): Reset ev if it was found to have been set.
it will be reset by WaitFor*Object as appropriate.
(cygthread::stub): Ditto.
(cygthread::terminate_thread): Remove forced setting of thread termination.
__d_internal.
* fhandler_disk_file.cc (struct __DIR_cache): Remove useless "typedef".
(d_dirname): Remove useless "struct".
(d_cachepos): Ditto.
(d_cache): Ditto.
(class __DIR_mounts): New class, implementing mount point tracking
for readdir.
(d_mounts): New macro for easy access to __DIR_mounts structure.
(fhandler_disk_file::opendir): Allocate __DIR_mounts structure and
let __d_internal element of dir point to it.
(fhandler_disk_file::readdir_helper): Add mount points in the current
directory, which don't have a real directory backing them.
Don't generate an inode number for /dev. Add comment, why.
(fhandler_disk_file::readdir): Move filling fname to an earlier point.
Check if current entry is a mount point and evaluate correct inode
number for it.
(fhandler_disk_file::readdir_9x): Ditto.
(fhandler_disk_file::rewinddir): Set all mount points in this directory
to "not found" so that they are listed again after calling rewinddir().
(fhandler_disk_file::closedir): Deallocate __DIR_mounts structure.
* path.cc (mount_info::get_mounts_here): New method to evaluate a list
of mount points in a given parent directory.
* shared_info.h (class mount_info): Declare get_mounts_here.
Christopher Faylor
Corinna Vinschen