* 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.
* fhandler.cc (fhandler_base::ptsname_r): Define.
* fhandler.h (fhandler_base::ptsname): Delete.
(fhandler_base::ptsname_r): Declare.
(fhandler_pty_master::ptsname_r): Declare.
* fhandler_tty.cc (fhandler_pty_master::ptsname): Delete.
(fhandler_pty_master::ptsname_r): New reentrant function derived from previous
ptsname.
* syscalls.cc (ptsname_r): Implement new function with functionality similar to
Linux.
(ptsname): Use ptsname_r () to fill out buf.
* include/cygwin/stdlib.h (ptsname_r): Declare.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 255 to reflect
export of ptsname_r.
* pinfo.cc (pinfo::wait): Return bool rather than int.
* pinfo.h (info::wait): Ditto.
(pinfo::reattach): Define !defined(_SIGPROC_H) case for consistency.
* sigproc.cc (child_info_spawn::reattach_children): Use correct dwProcessId
rather than pid when duplicating handle.
an options argument for CreateNamedPipe/CreateFile. Change handle arguments to
expect pointers.
(fhandler_fifo::fifo_state): Delete.
(fhandler_fifo::dummy_client): Ditto.
(fhandler_fifo::open_nonserver): Ditto.
(fhandler_fifo::wait_state): Ditto.
(fhandler_fifo::raw_write): Ditto.
(fhandler_fifo::read_ready): New field.
(fhandler_fifo::write_ready): Ditto.
(fhandler_fifo::wait): Modify argument.
(fhandler_fifo::fifo_name): Add a new argument.
(fhandler_fifo::fixup_after_fork): New function.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove initialization of
expunged elements. Initialize new handles to NULL.
(fhandler_fifo::open_nonserver): Delete.
(fnevent): New macro for creating a named event.
(fnpipe): New macro for creating a unique named pipe name.
(create_pipe): New macro for simplification of named pipe creation.
(fhandler_fifo::fifo_name): Use new argument when creating a shared name.
(fhandler_fifo::open): Rewrite. Use events to synchronize.
(pure_debug_printf): New macro, active only when DEBUGGING.
(fhandler_fifo::wait): Rewrite to wait for new fifo events which are supplied
as a parameter.
(fhandler_fifo::raw_read): Rewrite to use handle mechanism to detect
client-side disconnect.
(fhandler_fifo::raw_write): Delete.
(fhandler_fifo::close): Remove accommodations for expunged fields. Close event
handles.
(fhandler_fifo::dup): Remove accommodations for expunged fields. Duplicate
event handles.
(fhandler_fifo::fixup_after_fork): New function. Perform fixups on event
handles.
(fhandler_fifo::set_close_on_exec): Remove accommodations for expunged fields.
Set inheritance for new handle fields.
* miscfuncs.cc (CreatePipeOverlapped): Accommodate changes in
fhandler_pipe::create_selectable.
* tty.cc (tty::not_allocated): Ditto.
* pipe.cc (fhandler_pipe::create): Ditto.
(fhandler_pipe::create_selectable): Accept an extra open_mode argument. Pass
arguments by reference and allow opening one end of the pipe at a time.
* sys/strace.h (debug_only_printf): Define new macro which calls debug_printf
only when DEBUGGING is defined.
* grp.cc (get_groups): New static function to run the core functionality
of initgroups and getgrouplist.
(initgroups32): Call get_groups and just create supplementary group
list in cygheap. Rename name of first argument to "user". Add an
assertion to test for a NULL user name.
(initgroups): Rename name of first argument to "user".
(getgrouplist): New function.
* posix.sgml (std-bsd): Add getgrouplist.
* include/cygwin/grp.h (getgrouplist): Declare.
* include/cygwin/version.h: Bump API minor number.
* dtable.cc (fh_alloc): Revert ill-advised setting of major/minor. Use new
is_dev_tty to remember that this device was opened as /dev/tty.
* fhandler.cc (fhandler_base::fstat): Remove leftover debugging statement.
(fhandler_base::tcgetsid): New function.
* fhandler.h ((fhandler_base::tcgetsid): Declare new function.
(fhandler_base::is_dev_tty): Ditto.
(fhandler_termios::opened_as_dev_tty): Declare new field.
(fhandler_termios::is_dev_tty): Declare new function.
(fhandler_termios::tcgetsid): Ditto.
(fhandler_pty_common::use_archetype): Move here from subclass.
(fhandler_pty_slave::use_archetype): Move up.
(fhandler_pty_master::use_archetype): Ditto.
* fhandler_console.cc (fhandler_console::ioctl): Rename second argument from
`buf' to `arg' for consistency. Call ioctl_termios for common fhandler_termios
ioctl handling.
* fhandler_tty.cc (fhandler_pty_slave::ioctl): Call ioctl_termios for common
fhandler_termios ioctl handling.
(fhandler_pty_master::ioctl): Ditto.
* fhandler_termios.cc (fhandler_termios::tcgetsid): Implement new function.
(fhandler_termios::ioctl_termios): Ditto. Implements TIOCSCTTY handling.
* syscalls.cc (stat_worker): Set /dev/tty device info when appropriate.
* termios.cc (tcgetpgrp): Avoid extraneous "isatty" check.
(tcgetsid): Implement new function.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 253.
* include/sys/termios.h (TIOCSCTTY): Define.
* include/cygwin/wait.h: Use new __wait_status_to_int()
macro to access status value in W*() status checks.
Fix status description.
* include/sys/wait.h: Allow `int' and `union wait' as
wait status parameter. Change __wait_status_to_int()
macro and wait () prototypes accordingly. Add inline
functions for C++. Remove extra `;'.
environment pointer as parameter and return pointer to corresponding
win32 environment block if != NULL. Otherwise just sync as before.
(cygwin_internal): Add CW_CVT_ENV_TO_WINENV case.
* include/cygwin/version.h: Bump API minor number.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_CVT_ENV_TO_WINENV.
* dlfcn.cc: Throughout mark exported symbols as extern "C".
(dlopen): Unignore flags argument. Define ret to NULL. Fix typo in
comment. Support Glibc flags RTLD_NOLOAD and RTLD_NODELETE.
* include/dlfcn.h: Clean up comments.
(RTLD_NODELETE): Define.
(RTLD_NOLOAD): Define.
(RTLD_DEEPBIND): Define.
* posix.sgml (std-notimpl): Move clock_nanosleep from here...
(std-susv4): ... to here.
(std-notes): Note limitations of clock_nanosleep.
* signal.cc (clock_nanosleep): Renamed from nanosleep, adding clock_id
and flags arguments and changing return values throughout.
Improve checks for illegal rqtp values. Add support for
CLOCK_MONOTONIC and TIMER_ABSTIME.
(nanosleep): Rewrite in terms of clock_nanosleep.
(sleep): Ditto.
(usleep): Ditto.
* thread.cc: Mark clock_nanosleep in list of cancellation points.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* 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.
(pthread_getcpuclockid): Export.
* hires.h (PID_TO_CLOCKID): New macro.
(CLOCKID_TO_PID): New macro.
(CLOCKID_IS_PROCESS): New macro.
(THREADID_TO_CLOCKID): New macro.
(CLOCKID_TO_THREADID): New macro.
(CLOCKID_IS_THREAD): New macro.
* ntdll.h (enum _THREAD_INFORMATION_CLASS): Add ThreadTimes.
* posix.sgml (std-notimpl): Add clock_getcpuclockid and
pthread_getcpuclockid from here...
(std-susv4): ... to here.
(std-notes): Remove limitations of clock_getres and clock_gettime.
Note limitation of timer_create to CLOCK_REALTIME.
* sysconf.cc (sca): Set _SC_CPUTIME to _POSIX_CPUTIME, and
_SC_THREAD_CPUTIME to _POSIX_THREAD_CPUTIME.
* thread.cc (pthread_getcpuclockid): New function.
* timer.cc (timer_create): Set errno to ENOTSUP for CPU-time clocks.
* times.cc (clock_gettime): Handle CLOCK_PROCESS_CPUTIME_ID and
CLOCK_THREAD_CPUTIME_ID.
(clock_getres): Ditto.
(clock_settime): Set errno to EPERM for CPU-time clocks.
(clock_getcpuclockid): New function.
* include/pthread.h (pthread_getcpuclockid): Declare.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
(pthread_attr_setguardsize): Export.
(pthread_attr_setstack): Export.
(pthread_attr_setstackaddr): Export.
* init.cc (dll_entry): Remove wow64_test_stack_marker. Check for
unusual stack address by testing stack addresses from current TEB.
Check validity of _my_tls by testing if it's within the stack as
given in current TEB.
* miscfuncs.cc (struct thread_wrapper_arg): New structure used to
push all required information to thread_wrapper function.
(thread_wrapper): Wrapper function for actual thread function.
If an application stack has been given, change %ebp and %esp so that
the thread function runs on that stack. If the thread has been created
by CygwinCreateThread, set up the POSIX guard pages if necessary.
(CygwinCreateThread): New function.
* miscfuncs.h (CygwinCreateThread): Declare.
* ntdll.h (struct _TEB): Define all members up to Peb.
* posix.sgml (std-susv4): Move pthread_attr_getguardsize,
pthread_attr_setguardsize and pthread_attr_setstack here.
(std-deprec): Add pthread_attr_setstackaddr.
* sysconf.cc (sca): Set _SC_THREAD_ATTR_STACKADDR to
_POSIX_THREAD_ATTR_STACKADDR.
* thread.cc (pthread::precreate): Copy pthread_attr stackaddr and
guardsize members.
(pthread::create): Call CygwinCreateThread.
(pthread_attr::pthread_attr): Initialize guardsize.
(pthread_attr_setstack): New function.
(pthread_attr_setstackaddr): New function.
(pthread_attr_setguardsize): New function.
(pthread_attr_getguardsize): New function.
(pthread_getattr_np): Copy attr.guardsize.
* thread.h (pthread_attr): Add member guardsize.
* include/pthread.h (pthread_attr_getguardsize): Declare.
(pthread_attr_setguardsize): Declare.
* include/cygwin/version.h: Bump API minor number.
Set errno to EINVAL if tv.tv_nsec is invalid, and to EPERM if
SetSystemTime fails. Return -1 in case of failure, all for
compatibility with BSD and Linux.
(clock_settime): New function.
* cygwin.din (clock_settime): Export.
* posix.sgml (std-susv4): Add clock_settime.
Move clock_setres from here...
(std-deprec): ... to here.
(std-notes): Correct limitation of clock_setres to only CLOCK_REALTIME.
Add limitation of clock_settime to only CLOCK_REALTIME.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
in PID_EXITED state. Report pid 0 when pid does not exist rather than pid -1.
Make debug output reflect actual function call.
* sigproc.cc (stopped_or_terminated): Set process state to reaped when we've
finished waiting for it.
* include/sys/cygwin.h (PID_REAPED): New enum.
end of header so that it gets the dev_t typedef.
* include/sys/sysmacros.h (gnu_dev_major, gnu_dev_minor,
gnu_dev_makedev): Prototype and define as inline functions.
(major, minor, makedev): Redefine in terms of gnu_dev_*.
and __BYTE_ORDER into ...
* include/bits/endian.h: New file.
* include/arpa/nameser_compat.h: Include endian.h rather than defining
BYTE_ORDER here.
* include/asm/byteorder.h: Include bits/endian.h. Drop definition of
__LITTLE_ENDIAN.
* include/netinet/ip.h: Include bits/endian.h. Drop definitions of
BIG_ENDIAN, LITTLE_ENDIAN, and BYTE_ORDER. Use underscored variants
of aforementioned constants.
* include/netinet/tcp.h: Ditto.
* include/sys/param.h: Drop disabled definitions of BIG_ENDIAN,
LITTLE_ENDIAN, and BYTE_ORDER.
* include/netinet/ip.h: Reformat. Define setsockopt IP_TOS options
matching recent RFCs. Tweak comments.
* errno.cc (__xpg_strerror_r): New function.
(strerror_r): Update to copy newlib's fixes.
(strerror): Set errno on failure.
(_sys_errlist): Cause EINVAL failure for reserved values.
* cygwin.din: Export new function.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Combine
this into minor 236.
* fhandler_console.cc (fhandler_console::open): Specify second argument to
tcinit.
* fhandler_termios.cc (fhandler_termios::tcinit): Rename second argument. Set
pgid to 0 if this is a pty master.
(fhandler_termios::tcgetpgrp): Just return value of pgid. It will be zero if
not initialized.
* fhandler_tty.cc (fhandler_tty_slave::open): Specify second argument to
tcinit.
(fhandler_tty_slave::ioctl): Implement TIOCGPRP/TIOCSPGRP. Fix switch
indentation.
(fhandler_tty_master::ioctl): Implement TIOCGPRP/TIOCSPGRP.
* include/sys/termios.h (TIOCGPGRP): Define similarly to Linux.
* include/sys/termios.h (TIOCSPGRP): Ditto.
potentially set pgid since it is smarter about deciding if a process is in the
background.
* include/sys/cygwin.h (PID_ORPHANED): Actually delete as planned.
(PID_NOTCYGWIN): Correctly define.
* spawn.cc (spawn_guts): Set a flag when a process is not a cygwin process.
* fhandler_tty.cc (fhandler_tty_slave::init): Remove previous change. Try a
different method to determine when we should become the process group owner.
* signal.cc (kill0): Remove archaic code which dealt with never-set flag.
(acl32): Implement acl_worker functionality here.
(lacl32): Just return -1 with errno set to ENOSYS.
(lacl): Ditto.
* include/cygwin/acl.h (lacl): Remove this call.
(cygwin_internal): Drop CW_SYNC_WINCWD case.
* globals.cc (ro_u_pipedir): New R/O unicode string.
* ntdll.h (RtlSetCurrentDirectory_U): Declare.
* path.cc (cwdstuff::set): Improve comments. Drop setting Win32 CWD to
\\?\PIPE\ on init. Keep Win32 CWD in sync, if possible. Set to
\\?\PIPE\ otherwise.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Revert to 230.
* include/sys/cygwin.h (cygwin_getinfo_types): Remove CW_SYNC_WINCWD.
* hires.h: Change hires_us to hires_ns, with nanosecond resolution.
(hires_ns::primed_ft): Remove.
(hires_ns::nsecs): New prototype.
(hires_ns::usecs): Rewrite in terms of nsecs.
(hires_ns::resolution): New prototype.
* times.cc: Change hires_us to hires_ns.
(ntod): Declare.
(systime): Remove.
(hires_ns::prime): Increase resolution to nanoseconds.
(hires_ns::nsecs): Rename usecs to nsecs to reflect increased resolution.
Remove justdelta argument.
(hires_ns::resolution): New function.
(clock_gettime): Accept CLOCK_MONOTONIC.
Use EINVAL instead of ENOSYS per POSIX.1-2004.
(clock_getres): Ditto.
(clock_setres): Use EINVAL instead of ENOSYS to conform with other
implementations.
* strace.cc (strace::microseconds): Adjust for hires_ns.
* sysconf.cc (sca): Set _SC_MONOTONIC_CLOCK to _POSIX_MONOTONIC_CLOCK.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* Makefile.in (NEW_FUNCTIONS): Remove seekdir and telldir mappings.
* dir.cc (telldir): Move functionality from telldir64 here. Use
long, rather than _off_t.
(telldir64): Just call telldir. Only keep for backward compatibility.
(seekdir): Move functionality from seekdir64 here. Use long, rather
than _off_t.
(seekdir64): Just call seekdir. Only keep for backward compatibility.
* fhandler.h: Throughout, change prototypes of seekdir and telldir
methods to use long, rather than _off64_t.
* fhandler_disk_file.cc: Change aforementioned methods accordingly.
* fhandler_netdrive.cc: Ditto.
* fhandler_registry.cc: Ditto.
* fhandler_virtual.cc: Ditto.
* include/sys/dirent.h (struct __DIR): Change __d_position from
_off_t to long to reflect API change.
(telldir): Change prototype to use long, rather than off_t.
(seekdir): Ditto.
know that we have filled out the filesystem information.
* path.h (path_conv::path_conv): Use consistent initialization for
constructors.
* include/sys/cygwin.h: Define CW_STRERROR.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 228.
* include/external.h: Implement CW_STRERROR.
* 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.
(fillout_mntent): Ditto.
* path.cc (path_conv::get_nt_native_path): Use path_conv's
has_dos_filenames_only method.
(path_conv::check): Add PATH_IHASH flag if FS has unreliable inode
numbers.
(symlink_info::check_shortcut): Or symlink flags to pflags.
(symlink_info::check_sysfile): Ditto. Change test accordingly.
(symlink_info::check_reparse_point): Ditto.
(symlink_info::check_nfs_symlink): Ditto.
(symlink_info::check): Check PATH_DOS flag in call to get_nt_native_path
to utilize mount flag. Ditto in test for potential restarting. Set
PATH_DOS if FS only allows DOS filename rules.
* path.h (enum path_types): Add PATH_DOS and PATH_IHASH.
(path_conv::hasgood_inode): Check PATH_IHASH instead of
fs.hasgood_inode.
(path_conv::has_dos_filenames_only): New method.
* include/sys/mount.h (MOUNT_DOS): New mount flag.
(MOUNT_IHASH): Ditto.
flag parsing. Add CW_LST_MNT_OPTS case to allow mount flag listing.
* mount.cc (fstab_read_flags): Rename from read_flags. Make externally
available. Change input string to char ** to allow returning faulty
option. Add flag for avoiding debug output.
(fstab_list_flags): New function to create list of options.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_CVT_MNT_OPTS and
CW_LST_MNT_OPTS.
* nlsfuncs.cc (__getlocaleinfo): Drop conversion to multibyte.
(__charfromwchar): New function to convert to multibyte.
(__eval_datetimefmt): Convert to return wchar_t pointer. Work on
wide char string.
(__set_lc_time_from_win): Take additional pointer to "C" category info
to accommodate C.foo locales. Rework to fill wide char members in
category info.
(__set_lc_ctype_from_win): New function.
(__set_lc_numeric_from_win): Take additional pointer to "C" category
info to accommodate C.foo locales. Rework to fill wide char members
in category info.
(__set_lc_monetary_from_win): Ditto.
(__set_lc_messages_from_win): Ditto.
(__get_current_collate_codeset): New function, called from nl_langinfo.
* include/cygwin/config.h (__HAVE_LOCALE_INFO_EXTENDED__): Define.
(strace_printf_wrap): Fix NOSTRACE definitions.
(strace_printf_wrap1): Fix NOSTRACE definitions.
(special_printf): Define.
* thread.cc: Perform minor syntax fix in a comment. Rename
"is_good_initialzer*" to "is_initializer*" throughout. Use pthread_printf
rather than debug_printf throughout. Add extra pthread_printf debugging
throughout.
(pthread_mutex::_new_mutex): New constant value.
(pthread_mutex::_unlocked_mutex): Ditto.
(pthread_mutex::_destroyed_mutex): Ditto.
(pthread_mutex::no_owner): Define new function.
(pthread_mutex::can_be_unlocked): Detect no_owner situation. Handle
PTHREAD_MUTEX_NORMAL as a special case.
(pthread::create_cancel_event): Use C++ boolean values.
(pthread::precreate): Use method to set mutex type.
(pthread_cond::pthread_cond): Ditto.
(pthread_rwlock::pthread_rwlock): Ditto.
(pthread_mutex::pthread_mutex): Set owner to _new_mutex initially.
(pthread_mutex::~pthread_mutex): Reset various elements to make it clearer if
they are incorrectly reused.
(pthread_mutex::lock): Add clarifying comment.
(pthread_mutex::unlock): Attempt to handle various mutex types correctly. In
particular, reinstate ability to have one thread unlock another thread's mutex
if type == PTHREAD_MUTEX_NORMAL.
(semaphore::_fixup_after_fork): Avoid redundancy.
(pthread_mutex::_fixup_after_fork): Ditto. Fix debugging statement.
(__pthread_cond_dowait): Accommodate changes to remove previously inexplicable
use can_be_unblocked() as a static function.
* thread.h: Rename "is_good_initialzer*" to "is_initializer*" throughout.
(pthread_mutex): Reorganize. Make many things private.
(pthread_mutex::no_owner): Define new method.
(pthread_mutex::_new_mutex): Define new constant.
(pthread_mutex::_unlocked_mutex): Ditto.
(pthread_mutex::_destroyed_mutex): Ditto.
* Makefile.in (install-headers): Remove extra command to install
regex.h.
(uninstall-headers): Remove extra command to uninstall regex.h.
* nlsfuncs.cc (collate_lcid): Make externally available to allow
access to collation internals from regex functions.
(collate_charset): Ditto.
* wchar.h: Add __cplusplus guards to make C-clean.
* include/regex.h: New file, replacing regex/regex.h. Remove UCB
advertising clause.
* regex/COPYRIGHT: Accommodate BSD license. Remove UCB advertising
clause.
* regex/cclass.h: Remove.
* regex/cname.h: New file from FreeBSD.
* regex/engine.c: Ditto.
(NONCHAR): Tweak for Cygwin.
* regex/engine.ih: Remove.
* regex/mkh: Remove.
* regex/regcomp.c: New file from FreeBSD. Tweak slightly for Cygwin.
Import required collate internals from nlsfunc.cc.
(p_ere_exp): Add GNU-specific \< and \> handling for word boundaries.
(p_simp_re): Ditto.
(__collate_range_cmp): Define.
(p_b_term): Use Cygwin-specific collate internals.
(findmust): Ditto.
* regex/regcomp.ih: Remove.
* regex/regerror.c: New file from FreeBSD. Fix a few compiler warnings.
* regex/regerror.ih: Remove.
* regex/regex.7: New file from FreeBSD. Remove UCB advertising clause.
* regex/regex.h: Remove. Replaced by include/regex.h.
* regex/regexec.c: New file from FreeBSD. Fix a few compiler warnings.
* regex/regfree.c: New file from FreeBSD.
* regex/tests: Remove.
* regex/utils.h: New file from FreeBSD.
* autoload.cc (LocaleNameToLCID): Define.
* cygwin.din (strfmon): Export.
* nlsfuncs.cc: New file. Define a lot of internal functions called
from setlocale.
(wcscoll): Implement locale-aware here, using CompareStringW function.
(strcoll): Ditto.
(wcsxfrm): Implement locale-aware here, usingLCMapStringW function.
(strxfrm): Ditto.
(__set_charset_from_locale): Replace __set_charset_from_codepage.
Return Linux-compatible charset.
* strfuncs.cc (__set_charset_from_codepage): Remove.
* wchar.h (__set_charset_from_codepage): Drop definition.
* wincap.h (wincaps::has_localenames): New element.
* wincap.cc: Implement above element throughout.
* libc/strfmon.c: New file.
* libc/strptime.cc: Remove locale constant strings in favor of
access to locale-specifc data.
(strptime): Point _CurrentTimeLocale to locale-specific data.
Throughout use correct locale-specific format fields for all
locale-specific formats.
* include/monetary.h: New file.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* fhandler.h (fhandler_socket::accept4): Rename from accept. Take
additional flag parameter.
* fhandler_socket.cc (fhandler_socket::accept4): Ditto. Handle
SOCK_NONBLOCK and SOCK_CLOEXEC flags.
* net.cc (cygwin_socket): Handle SOCK_NONBLOCK and SOCK_CLOEXEC flags
in type. Check for invalid flag values.
(socketpair): Ditto.
(cygwin_accept): Accommodate renaming of fhandler_socket::accept
function to accept4.
(accept4): New function.
* posix.sgml: Mention accept4 as GNU extensions.
* include/cygwin/socket.h (SOCK_NONBLOCK): Define.
(SOCK_CLOEXEC): Define.
(_SOCK_FLAG_MASK): Define when building Cygwin.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* include/sys/socket.h (accept4): Declare.
(pipe2): Export.
* dtable.cc (dtable::dup_worker): Take additional flags parameter.
Handle O_CLOEXEC flag.
(dtable::dup3): Rename from dup2. Take additional flags parameter.
Check for valid flags. Drop check for newfd == oldfd.
* dtable.h (dtable::dup_worker): Add flags parameter.
(dtable::dup3): Rename from dup2.
* fcntl.cc (fcntl64): Add F_DUPFD_CLOEXEC case.
* fhandler.h (fhandler_mailslot::get_object_attr): Add flags parameter.
* fhandler.cc (fhandler_base::open): Use security attribute with
inheritance according to setting of O_CLOEXEC flag.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_fifo.cc (sec_user_cloexec): New inline function to
create security attribute with inheritance according to setting of
O_CLOEXEC flag.
(fhandler_fifo::open): Call sec_user_cloexec to fetch security
attribute.
(fhandler_fifo::wait): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_mailslot.cc (fhandler_mailslot::get_object_attr): Take
additional flags parameter. Use security attribute with inheritance
according to setting of O_CLOEXEC flag.
(fhandler_mailslot::open): Call get_object_attr with flags parameter.
* fhandler_registry.cc (fhandler_registry::open): Call set_close_on_exec
on real handles to accommodate O_CLOEXEC flag.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tape.cc: Create mutex with inheritance according to setting
of O_CLOEXEC flag.
* pipe.cc: Replace usage of O_NOINHERIT with O_CLOEXEC.
(fhandler_pipe::init): Simplify setting close_on_exec flag.
(fhandler_pipe::open): Remove setting close_on_exec flag.
(fhandler_pipe::create): Use security attribute with inheritance
according to setting of O_CLOEXEC flag.
(pipe2): New exported function.
* posix_ipc.cc: Throughout, open backing files with O_CLOEXEC
flag to follow POSIX semantics.
* security.h (sec_none_cloexec): New define.
* syscalls.cc (dup): Add missing extern "C" qualifier. Accommodate
renaming of dtable::dup2 to dtable::dup3.
(dup2): Ditto. Check newfd == oldfd here.
(dup3): New function. Check newfd == oldfd here.
(open): Set close_on_exec flag according to O_CLOEXEC flag before
calling fhandler->open.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* dtable.cc (handle_to_fn): Add check for correct installation_key
string in object name for pipes and ttys.
* external.cc (cygwin_internal): Add CW_GET_INSTKEY to allow fetching
the installation_key from cygserver.
* fhandler_fifo.cc (fhandler_fifo::fifo_name): Add installation_key
to fifo name.
* globals.cc: Include cygprops.h.
(_RDATA): Move slightly and add comment.
(cygwin_props): Define.
* mount.cc (mount_info::init): Accommodate the fact that
installation_root is now a global variable in DLL common shared memory,
rather than a member of cygwin_shared.
* pipe.cc (fhandler_pipe::create_selectable): Add installation_key to
pipe name.
* shared.cc (installation_root): Define here for storage in DLL
common shared memory.
(installation_key): Ditto.
(installation_key_buf): Ditto.
(init_installation_root): Convert from shared_info method to ordinary
function. Add initializing installation_key. Invalidate
installation_key depending of value of disable_key property. Add
comment to explain.
(get_shared_parent_dir): Add installation_key to directory name.
(get_session_parent_dir): Ditto.
(shared_info::initialize): Move call to init_installation_root from
here...
(memory_init): ...to here. Add debug output to print installation root
and installation key. Add comment to explain why.
* shared_info.h (SHARED_INFO_CB): Recalculate.
(CURR_SHARED_MAGIC): Ditto.
(class shared_info): Remove definition of installation_root and
declaration of init_installation_root.
(init_installation_root): Declare.
(installation_root): Declare.
(installation_key): Declare.
* uinfo.cc (pwdgrp::load): Accommodate the fact that installation_root
is now a global variable in DLL common shared memory.
* include/cygwin/version.h: Bump API minor number.
(CYGWIN_INFO_INSTALLATIONS_NAME): Add.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_INSTKEY.
CW_SET_EXTERNAL_TOKEN.
Add new enum CW_TOKEN_IMPERSONATION, CW_TOKEN_RESTRICTED.
* cygheap.h (cyguser): New flags ext_token_is_restricted,
curr_token_is_restricted and setuid_to_restricted.
* external.cc (cygwin_internal): Add CW_SET_EXTERNAL_TOKEN.
* sec_auth.cc (set_imp_token): New function.
(cygwin_set_impersonation_token): Call set_imp_token ().
* security.h (set_imp_token): New prototype.
* spawn.cc (spawn_guts): Use CreateProcessAsUserW if restricted token
was enabled by setuid(). Do not create new window station in this case.
* syscalls.cc (seteuid32): Add handling of restricted external tokens.
Set HANDLE_FLAG_INHERIT for primary token.
(setuid32): Set setuid_to_restricted flag.
* uinfo.cc (uinfo_init): Do not reimpersonate if restricted token was
enabled by setuid (). Initialize user.*_restricted flags.
* Makefile.common (COMPILE_CXX): Add support for per-file overrides
to exclude $(nostdinc) and $(nostdincxx) from compiler flags.
(COMPILE_CC): Likewise for $(nostdinc).
winsup/cygwin/ChangeLog:
* Makefile.in (DLL_OFILES): Add libstdcxx_wrapper.o
(libstdcxx_wrapper_CFLAGS): Add flags for new module.
(_cygwin_crt0_common_STDINCFLAGS): Define per-file override.
(libstdcxx_wrapper_STDINCFLAGS, cxx_STDINCFLAGS): Likewise.
* cxx.cc: Include "cygwin-cxx.h".
(operator new): Tweak prototype for full standards compliance.
(operator new[]): Likewise.
(operator new (nothrow)): New fallback function.
(operator new[] (nothrow), operator delete (nothrow),
operator delete[] (nothrow)): Likewise.
(default_cygwin_cxx_malloc): New struct of pointers to the above,
for final last-resort fallback default.
* cygwin-cxx.h: New file.
(struct per_process_cxx_malloc): Define.
(default_cygwin_cxx_malloc): Declare extern.
* cygwin.din (__wrap__ZdaPv): Export new wrapper.
(__wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Likewise.
* globals.cc (__cygwin_user_data): Init newly-repurposed 'forkee'
field (now 'cxx_malloc') to point to default_cygwin_cxx_malloc.
* libstdcxx_wrapper.cc: New file.
(__wrap__ZdaPv, __wrap__ZdaPvRKSt9nothrow_t, __wrap__ZdlPv,
__wrap__ZdlPvRKSt9nothrow_t, __wrap__Znaj,
__wrap__ZnajRKSt9nothrow_t, __wrap__Znwj,
__wrap__ZnwjRKSt9nothrow_t): Define wrapper functions for libstdc++
malloc operators and their overrides.
* winsup.h (default_cygwin_cxx_malloc): Declare extern.
* include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump.
* include/sys/cygwin.h (struct per_process_cxx_malloc): Forward
declare here.
(struct per_process::forkee): Rename and repurpose from this ...
(struct per_process::cxx_malloc): ... to this.
* lib/_cygwin_crt0_common.cc: Include cygwin-cxx.h.
(WEAK): Define shorthand helper macro.
(__cygwin_cxx_malloc): Define and populate with weak references
to whatever libstdc++ malloc operators will be visible at final
link time for Cygwin apps and dlls.
(_cygwin_crt0_common): Always look up cygwin DLL's internal
per_process data, and don't test for (impossible) failure. Inherit
any members of __cygwin_cxx_malloc that we don't have overrides
for from the DLL's default and store the resulting overall set of
overrides back into the DLL's global per_process data.
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* mount.cc (mount_info::got_usr_bin): Define.
(mount_info::got_usr_lib): Ditto.
(mount_info::root_idx): Ditto.
(mount_info::create_root_entry): Create root entry as immutable and
flag as automatic.
(mount_info::init): Remove "Huh? No /etc/fstab..." warning.
Unconditionally call from_fstab for user and system tables. Fill in
/usr/bin and /usr/lib if they have not been specified in /etc/fstab.
(oopts): Alphabetize. Add "override" option to allow overriding
immutable mount points.
(mount_info::add_item): Accommodate new MOUNT_IMMUTABLE flag intended
for root mount.
(mount_info::add_item): Detect "/usr/bin", "/usr/lib", and "/" and set
appropriate global state.
(fillout_mntent): Add ,auto to mount points added by Cygwin DLL.
(mount): Remove masking of MOUNT_SYSTEM. Allow user to shoot
themselves. Add comment.
* mount.h (mount_info::got_usr_bin): Declare.
(mount_info::got_usr_lib): Ditto.
(mount_info::root_idx): Ditto.
* include/sys/mount.h: Reformat enum.
Add MOUNT_{OVERRIDE,IMMUTABLE,AUTOMATIC}.
doc ChangeLog
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* pathnames.sgml (mount-table): Sort mount options and add override
option. Add description of root mount handling.
utils ChangeLog
2009-05-13 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me+cygwin@cgf.cx>
* mount.cc (oopts): Sort. Add override option. Add dummy "auto"
option for consistency.
(mount_entries): Avoid adding auto-mounted entries to -m output.
* utils.sgml: Sort mount options. Add description of override option.
pointer-based newlib implementation.
(_ctype_b): Declare.
(__ctype_cp): Move to newlib. Declare.
(__ctype_iso): Ditto.
(__set_ctype): Implement changing __ctype_ptr__. Only copy character
class data in applications built under older Cygwin.
* cygwin.din (__ctype_ptr__): Export.
* include/ctype.h: Remove in favor of newlib implementation.
* include/cygwin/config.h (__EXPORT): Define alongside __IMPORT.
* include/cygwin/version.h (CYGWIN_VERSION_CHECK_FOR_OLD_CTYPE):
Define check for old vs. new ctype implementation.
Bump API minor number.
(__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.
parameter "dontwait".
* fhandler_socket.cc (fhandler_socket::wait_for_events): Act as if the
socket is non-blocking if dontwait is true.
(fhandler_socket::recv_internal): Use incoming MSG_DONTWAIT flag to
set the wait_for_events dontwait parameter.
(fhandler_socket::send_internal): Ditto. Optimize code slightly.
* include/cygwin/socket.h (MSG_DONTWAIT): Define.
* include/cygwin/version.h: Bump API minor number.
* net.cc: define _CYGWIN_IN_H and include resolv.h.
(realloc_ent): New function.
(dup_ent): Call realloc_ent.
(memcpy4to6): New function.
(dn_length1): New function.
(gethostby_helper): New function.
(gethostbyname2): New function.
* posix.sgml: Add gethostbyname2.
* include/cygwin/version.h: Bump API minor number.
* libc/minires.c (get_options): Look for "inet6" and apply bounds
to "retry" and "retrans".
(res_ninit): Set the default options at the beginning.
(dn_expand): Fix "off by one".
(htonl): Move to end of file. Add comment to explain why. Align
definition to POSIX. Use related macro from asm/byteorder.h.
(ntohl): Ditto.
(htons): Ditto.
(ntohs): Ditto.
* include/asm/byteorder.h: Revert previous patch.
Christopher Faylor
Corinna Vinschen
Christian Franke
Yaakov Selkowitz
Eric Blake
Dave Korn
Charles Wilson