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* dcrt0.cc (signal_shift_subtract): Eliminate ancient backwards compatibility.
(check_sanity_and_sync): Ditto.
* winsup.h (SIGTOMASK): Ditto. Just use constant in signal calculation.
* include/cygwin/version: Remove backwards signal mask compatibility define.
* path.cc (symlink_info::check_sysfile): Cosmetic change.
* registry.cc (get_registry_hive_path): Remove unneeded variable.
* exceptions.cc (handle_sigsuspend): Eliminate thread signal mask and use
either main sigmask or current thread sigmask.
(set_process_mask): Ditto.
(sighold): Ditto.
(sigrelse): Ditto.
(sigset): Ditto.
(set_process_mask_delta): Ditto.
(_cygtls::call_signal_handler): Ditto.
* fhandler_process.cc (format_process_status): Ditto.
* fhandler_termios.cc (fhandler_termios::bg_check): Ditto.
* pinfo.h (class pinfo): Ditto.
* select.cc (pselect): Ditto.
* signal.cc (sigprocmask): Ditto.
(abort): Ditto.
(sigpause): Ditto.
(sigsend): Ditto.
(wait_sig): Ditto.
* thread.h (pthread::parent_tls): New member.
* thread.cc (pthread::pthread): Record parent_tls here.
(pthread::thread_init_wrapper): Initialize sigmask from parent thread.
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* devices.cc: Regenerate.
* fhandler.cc (fhandler_base::operator =): Use path_conv assignment
operator.
(fhandler_base::set_name): Ditto.
(fhandler_base::open): Use NT native path in debug output.
* fhandler_mailslot.cc: Convert to NT native function calls.
* ntdll.h (struct _FILE_MAILSLOT_SET_INFORMATION): Define.
(NtCreateMailslotFile): Declare.
* path.cc (path_conv::set_normalized_path): Don't set wide_path to NULL.
(path_conv::set_name): Remove unused function.
* path.h (path_conv::set_name): Drop declaration.
(path_conv::operator =): Define.
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/dev/null, /dev/comX and /dev/ttySx.
* devices.cc: Regenerate.
* fhandler.cc (fhandler_base::open_9x): Remove.
(fhandler_base::open): Don't test for DOS device name, don't call
open_9x.
(fhandler_dev_null::open): Remove.
* fhandler.h (class fhandler_base): Drop open_9x declaration.
(class fhandler_dev_null): Drop open declaration.
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* autoload.cc (GetAdaptersAddresses): Define.
* devices.h (FH_PROCNET): Define new device.
* devices.in (dev_procnet_storage): Add "/proc/net" entry.
* devices.cc: Regenerate.
* dir.cc (readdir_worker): Use isproc_dev macro.
* dtable.cc (build_fh_pc): Add FH_PROCNET.
* fhandler.h (class fhandler_procnet): New class.
* fhandler_proc.cc: Add "net" subdirectory handling.
* fhandler_procnet.cc: New file handling "/proc/net" directory.
* path.cc (isvirtual_dev): Move to path.h.
* path.h (isproc_dev): New macro to identify /proc files by device.
(isvirtual_dev): Moved here. Define using isproc_dev.
* syscalls.cc (unlink): Use isproc_dev macro.
* wincap.h (wincapc::has_gaa_prefixes): New element.
(wincapc::has_gaa_on_link_prefix): New element.
* wincap.cc: Implement above elements throughout.
(wincapc::init): Check XP for service pack and set has_gaa_prefixes
appropriately.
* include/cygwin/in6.h: Include asm/byteorder.h.
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http://www.kernel.org/pub/linux/docs/device-list/devices.txt
up to 128 devices.
* devices.in: Ditto.
(device::parsedisk): Add additonal else-if cases for decoding base
and drive indices.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Add additional DEV_SD{2..7}_MAJOR cases.
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* devices.cc: Regenerate.
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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.
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* fhandler_proc.cc: Use cygheap rather than user heap for allocation of filebuf
throughout.
* fhandler_registry.cc: Ditto.
* fhandler_virtual.cc: Ditto.
* fhandler_process.cc: Ditto.
(get_mem_values): Use malloc/realloc/free rather than new.
* pinfo.cc (_pinfo::commune_send): Allocate on cygwin heap rather than user
heap. Avoid calling ReadFile when correct number of characters have been read
or suffer buffer corruption.
(_pinfo::fd): Allocate on cygwin heap rather than user heap.
(_pinfo::fds): Ditto.
(_pinfo::root): Ditto.
(_pinfo::cwd): Ditto.
(_pinfo::cmdline): Ditto.
* devices.h (FH_DEV): New define.
* devices.in: Detect lone /dev.
* devices.cc: Regenerate.
* path.cc (path_conv::check): Treat FH_DEV as a special case.
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* devices.h (FH_KMSG): Define new device.
* devices.in: Add "/dev/kmsg" entry.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Handle case FH_KMSG.
* fhandler.h (class fhandler_mailslot): New class.
(class select_stuff): Add device_specific_mailslot pointer.
* fhandler_mailslot.cc: New file.
* select.cc (peek_mailslot): New function.
(verify_mailslot): Ditto.
(struct mailslotinf): New stuct to handle select on mailslots.
(thread_mailslot): New function.
(start_thread_mailslot): Ditto.
(mailslot_cleanup): Ditto.
(fhandler_mailslot::select_read): New method.
* syslog.cc (klog_guard): New muto.
(dev_kmsg): Local mailslot for kernel message device.
(vklog): New function.
(klog): Ditto.
* winsup.h (vklog): Declare.
(klog): Ditto.
* include/sys/syslog.h: Define _PATH_KLOG.
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* fhandler_netdrive.cc: Placeholder file for future development.
* devices.h (FH_NETDRIVE): Define new virtual device type.
(netdrive_dev): Define.
* devices.in (dev_netdrive_storage): Define.
* devices.cc: Regenerate.
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(spawn_info): Ditto.
* cxx.cc (__cxa_guard_acquire): New function (needed for gcc 4.x).
(__cxa_guard_release): Ditto.
* devices.in: Make sure stuff is correctly bracketed (for gcc 4.x).
* devices.cc: Regenerate.
* fhandler.h (fhandler_disk_file::fchmod): Avoid left coercion (for gcc 4.x).
* smallprint.c (__rn): Declare as __fastcall since gcc 4.x complains about use
of regparm, for some reason.
* sync.h (sync::init_lock): Remove.
* sync.cc (sync::init_lock): Ditto.
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* devices.in: Add /dev/full.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Add FH_FULL.
* fhandler.cc (fhandler_base::fstat): Set FH_FULL permission bits
correctly.
* fhandler_zero.cc (fhandler_dev_zero::write): Set errno to ENOSPC
and return -1 if device is FH_FULL.
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event in the event that the thread was actually in the process of exiting.
* pipe.cc (fhandler_pipe::dup): read_state is not supposed to be inheritable.
Fix that.
* path.cc (path_conv::check): Set symlen = 0 to avoid a compiler warning.
* devices.h (devices::parsedisk): Declare new function.
* devices.in (devices::parsedisk): Define new function.
* dtable.cc (dtable::init_std_file_from_handle): Use device numbers rather than
name.
* fhandler_proc.cc (format_proc_partitions): Use parsedisk to generate disk
names from numeric codes. (This was broken on two of my systems previously and
is still broken now)
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throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use
saved cygheap value if it exists. Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
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* Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file. Generates def file and sigfe.s file.
* gentls_offsets: New file. Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file. Autogenerated.
* config/i386/longjmp.c: Remove. File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
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* child_info.h: YA update of another magic number.
* gendevices: New file.
* devices.in: New file.
* devices.cc: Regenerate.
* devices.shilka: Remove.
* devices.h: Correctly define device pointers.
(device): Remove now obsolete fields.
(device::native): Renamed from device::fmt.
* dtable.cc (build_fh_dev): Simplify in light of new unit parsing scheme.
(build_fh_pc): Ditto.
* path.cc (win32_device_name): Ditto.
* fhandler.h (fhandler_base::get_native_name): Reflect renaming of fmt to
native.
* fhandler_tty.cc (fhandler_tty_mster::init): Initialize slave device prior to
reporting unit.
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