* hurd/hurdchdir.c (_hurd_change_directory_port_from_name):
Allocate three, not two, more than LEN when appending '/.'.
* sysdeps/mach/hurd/chroot.c (chroot): Likewise. Don't check
if NAME ends with '/.' if it is shorter than 2 chars.
* mach/Makefile ($(mach-syscalls:%=$(objpfx)%.S)): Make the generated
files #include <sysdep.h> instead of <mach/machine/syscall_sw.h>.
* sysdeps/mach/hurd/send.c: int -> size_t for WROTE.
* sysdeps/mach/hurd/sendto.c: Likewise.
* hurd/hurdioctl.c (siocgifconf): int -> size_t for DATA_LEN.
* sysdeps/mach/hurd/wait4.c (__wait4): natural_t -> int for SIGCODE.
* sysdeps/mach/hurd/getpriority.c: unsigned int -> size_t for PISIZE.
MACH_MSG_TYPE_INTEGER_T -> integer_t in sizeof.
Use a union rather than casts to compare mach_msg_type_t as int.
2002-03-25 Roland McGrath <roland@frob.com>
* hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't
check off the end of NAME when it's shorter than 2 chars.
Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>.
2002-03-17 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/i386/sys/io.h: New file.
* sysdeps/mach/hurd/i386/ioperm.c: New file.
* sysdeps/mach/hurd/i386/Dist: Add them.
* sysdeps/mach/hurd/i386/Versions
(libc: GLIBC_2.2.6): New set, add ioperm.
* sysdeps/mach/configure.in: New check to set HAVE_I386_IO_PERM_MODIFY.
(mach_interface_list): Check for mach_i386.defs.
* config.h.in (HAVE_I386_IO_PERM_MODIFY): #undef it.
* sysdeps/mach/configure: Regenerated.
* hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't
check off the end of NAME when it's shorter than 2 chars.
Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>.
Reported by Jon Arney <jarney1@cox.net>.
2002-02-23 Roland McGrath <roland@frob.com>
* hurd/hurd/threadvar.h (__hurd_threadvar_location): Add __THROW to
declaration.
(__hurd_errno_location): Function removed.
or <machine/ndr_def.h> and add -DNDR_DEF_HEADER=... to DEFINES.
* sysdeps/mach/configure: Regenerated.
* mach/mach_init.c [NDR_DEF_HEADER]: #include it.
* hurd/hurdfault.c (_hurdsig_fault_init): Add a cast.
* hurd/hurd/signal.h: Include <setjmp.h> for `jmp_buf' decl.
* mach/msgserver.c (__mach_msg_server_timeout) [! MACH_RCV_LARGE]:
Double MAX_SIZE and don't retry on MACH_RCV_TOO_LARGE.
* sysdeps/mach/hurd/times.c
[NO_CREATION_TIME] (startup_time): New static variable.
[NO_CREATION_TIME] (times_init): New static function in __libc_subinit.
(__times) [NO_CREATION_TIME]: Use startup_time in lieu of task
creation_time from task_basic_info.
(__times): Use __gettimeofday instead of __host_get_time.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg) [! MACH_MSG_TYPE_BIT]:
Use untyped Mach IPC message format.
* hurd/catch-exc.c: Include <assert.h>, missing from last change.
_S_catch_exception_raise_state_identity,
_hurdsig_fault_catch_exception_raise_state,
_hurdsig_fault_catch_exception_raise_state_identity.
* mach/shortcut.awk: Don't apply the /^}$/ rule when $proto == "".
* sysdeps/mach/getsysstats.c (__get_avphys_pages) [HOST_VM_INFO]: Use
__host_info with HOST_VM_INFO flavor instead of __vm_statistics.
* sysdeps/mach/hurd/getpriority.c [TASK_SCHED_TIMESHARE_INFO]: Find
`base_priority' in PIP->timeshare_base_info instead of PIP->taskinfo.
* sysdeps/mach/hurd/dl-sysdep.c [FMH]: Define for i386 only.
(fmh, unfmh): Define these functions only #if FMH. Otherwise define
them as no-op macros.
[FMH] (ELF_MACHINE_USER_ADDRESS_MASK): Redefine it to zero.
(__mmap): Uncomment uses of ELF_MACHINE_USER_ADDRESS_MASK.
* sysdeps/powerpc/dl-machine.h
(ELF_MACHINE_USER_ADDRESS_MASK): New macro.
Use untyped Mach IPC message format.
* sysdeps/mach/hurd/ioctl.c (__ioctl) [! MACH_MSG_TYPE_BIT]: Handle
Handle untyped Mach IPC message formats.
* hurd/catch-exc.c (_S_catch_exception_raise) [EXC_MASK_ALL]:
Expect different argument conventions when this is defined.
[EXC_MASK_ALL] (_S_catch_exception_raise_state): New stub function.
[EXC_MASK_ALL] (_S_catch_exception_raise_state_identity): Likewise.
* hurd/hurdfault.c: Likewise for _hurdsig_fault_catch_exception_*.
[NDR_CHAR_ASCII] (mig_reply_header_t): #define as mig_reply_error_t
for OSF Mach variant.
(faulted): Use mig_reply_error_t for REPLY.
(_hurdsig_fault_init) [EXC_MASK_ALL]: Use EXCEPTION_STATE_IDENTITY
in __thread_set_exception_ports call.
(_hurdsig_fault_init) [MACH_PORT_RECEIVE_STATUS]: Use
__mach_port_set_attributes in place of __mach_port_set_qlimit.
* sysdeps/mach/powerpc/sysdep.h (_MACH_MACHINE_ASM_H): Define this
before include <sysdeps/mach/sysdep.h>, to inhibit <mach/machine/asm.h>
on Darwin, which includes bogons.
to ensure a sane installation.
(mach_interface_list): Define this variable by checking for .defs
files found in various variants.
* configure.in (mach_interface_list): AC_SUBST this.
* config.make.in (mach-interface-list): New substituted variable.
* mach/Makefile (user-interfaces): Define this using the value
of $(mach-interface-list) instead of mach, mach4.
Updated other references to mach_interface to use it as well.
* sysdeps/mach/powerpc/machine-lock.h: Avoid multi-line strings.
* mach/msgserver.c [NDR_CHAR_ASCII] (mig_reply_header_t): #define as
mig_reply_error_t for OSF Mach variant.
* mach/Makefile (routines): Remove bootprivport.
* mach/bootprivport.c: File removed. It has never been used.
* mach/msg-destroy.c (__mach_msg_destroy) [MACH_MSG_PORT_DESCRIPTOR]:
Grok the OSF flavor of message format.
(mach_msg_destroy_port): For MAKE_SEND and
MAKE_SEND_ONCE rights, create an destroy a right to ensure proper
no-senders notification.
2002-02-06 Roland McGrath <roland@frob.com>
* hurd/Versions (libc: GLIBC_2.0): Move cthread_fork, cthread_detach
to here if 2.0 compatibility enabled ...
(libc: GLIBC_2.1.3): ... from here.
`default:' to silence new GCC warning.
Rewrite cast of lvalue to silence new GCC warning.
* sysdeps/mach/hurd/i386/init-first.c: Avoid multi-line strings in asm.
* hurd/privports.c (__get_privileged_ports):
Only contact the proc server if necessary for this call.
Suggested by Neal H Walfield <neal@cs.uml.edu>.
Check error return for mach_port_mod_refs.
* hurd/Versions (GLIBC_2.2.5): New set, define __hurd_fail here.
* Versions.def (libc): Add GLIBC_2.2.5 set.
* hurd/hurd.h (_HURD_H_EXTERN_INLINE): New macro.
(__hurd_fail): Use that instead of _EXTERN_INLINE in decl.
* hurd/hurdsig.c (_hurdsig_init): Remove a useless line of code.
2001-07-07 Roland McGrath <roland@frob.com>
* hurd/hurdsig.c (_hurd_thread_sigstate): Use MACH_PORT_NULL, not 0.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
2001-06-26 Mark Kettenis <kettenis@gnu.org>
* hurd/Makefile (user-interfaces): Add pfinet.
* hurd/hurdioctl.c: Include <hurd/pfinet.h>, <net/if.h> and
<netinet/in.h>.
(siocgifconf): New function. Register it with HURD_HANDLE_IOCTL
as the handler for SIOCGIFCONF.
* sysdeps/mach/hurd/bits/ioctls.h: Modify SIOCSIFFLAGS and
SIOCGIFFLAGS to be of IOC type ifreq_short. Modify SIOCSIFMETRIC
and SIOCGIFMETRIC to be of IOC type ifreq_int. Add new macro
definitions for SIOCGIFMTU, SIOCSIFMTU, SIOCGIFINDEX and
SIOCGIFNAME.
From Marcus Brunkmann <marcus@gnu.org>.
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): Broken out ...
* hurd/lookup-retry.c: ... into here, new file.
* sysdeps/mach/hurd/dl-sysdep.c (open_file): Call that instead
using of duplicate code here.
* hurd/hurdexec.c (_hurd_exec): Be robust for DTABLESIZE==0.
* posix/regex.c: Avoid an access violation if malloc fails.
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): Don't leak the
result port when failing with ELOOP. Do the ELOOP check when
following an absolute symlink target as well as relative.
Remove #ifdef SYMLOOP_MAX conditional--it should always be defined.
Use __ names for calls we make.
(get_privileged_ports): Add alias.
* hurd/hurd.h: Declare it with the __ name.
* sysdeps/mach/hurd/reboot.c (reboot): Use __get_privileged_ports.
* sysdeps/mach/hurd/adjtime.c (__adjtime): Likewise.
* sysdeps/mach/hurd/settimeofday.c (__settimeofday): Likewise.
options after $(build-module), which is no longer a single command.
(LDFLAGS-link-rpcuserlibs): New variable to hold those options.
(LDFLAGS-libmachuser-link.so, LDFLAGS-libhurduser-link.so): New
variables using it. Reported by Mark Kettenis <kettenis@gnu.org>.
2001-03-11 Roland McGrath <roland@frob.com>
* elf/rtld.c (dl_main): Add cast to quiet warning.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
* iconv/gconv_conf.c (__gconv_get_path): Likewise.
(__gconv_read_conf): Likewise.
* iconv/gconv_db.c (gen_steps): Likewise.
(__gconv_find_transform): Likewise.
* locale/programs/charmap-dir.c (fopen_uncompressed): Likewise.
(fopen_uncompressed): Use const in second argument's type.
2001-03-11 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/dl-sysdep.c (__writev): New function.
* mach/mach_error.h: Fix ancient #endif syntax.
* hurd/hurdmalloc.c: Likewise.
* sysdeps/generic/atomicity.h (exchange_and_add, atomic_add,
compare_and_swap): Add volatile qualifier to first arg, to bring
these prototypes in line with all the other implementations.
Add a #warning to remind the builder that these are not atomic.
2001-03-04 Roland McGrath <roland@frob.com>
* hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Use innermore first
member of TEMP_F so its type is _IO_FILE * as expected.
* hurd/fopenport.c (seekio): Conditionalize type of POS argument
on [USE_IN_LIBIO]. Check the value for overflow, since for libio
it might exceed off_t's range.
2001-02-25 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/sysd-stdio.c (__stdio_reopen): Use prototype.
* sysdeps/unix/bsd/getpt.c (__posix_openpt): Likewise.
* sysdeps/mach/hurd/i386/intr-msg.h (SYSCALL_EXAMINE): Make this a
macro instead of an inline function,
(MSG_EXAMINE): Likewise.
* hurd/hurd/ioctl.h (_HURD_HANDLE_IOCTLS_1): Remove extraneous ##.
* hurd/get-host.c: Include <string.h> for decls of built-ins.
* hurd/hurdchdir.c: Likewise.
* sysdeps/mach/hurd/i386/sigreturn.c: Likweise.
* sysdeps/mach/hurd/opendir.c: Likewise.
* mach/mach_init.c: Include <unistd.h> for _exit decl.
* mach/errsystems.awk: Give output file a trailing newline.
* mach/Machrules (MIG): Prepend CC='${CC}' to the mig command, so that
the script will use our compiler for the cpp stage.
With --enable-all-warnings we get a whole bunch of warnings,
and these are just a few fixes; there are more needed to silence it.
* mach/mach/mig_support.h (__mig_strncpy, mig_strncpy): Add extern
decls before extern inline defns to quiet gcc warning.
* hurd/hurd/threadvar.h (__hurd_threadvar_location_from_sp): Likewise.
* sysdeps/mach/i386/machine-sp.h (__thread_stack_pointer): Likewise.
2001-01-24 Mark Kettenis <kettenis@gnu.org>
* hurd/hurdsig.c (_hurdsig_getenv): Remove spurious innermost
declaration of value such that we actually return the value of the
environment variable.
2001-01-19 Mark Kettenis <kettenis@gnu.org>
* sysdeps/mach/hurd/chroot.c (chroot): Revert 1999-02-27 changes,
but change looking up the initial directory port in a similar way
as done by _hurd_change_directory_port_from_name.
* hurd/fchroot.c (fchroot): Likewise.
* hurd/hurd/ioctl.h (_HURD_HANDLE_IOCTLS_1): New macro.
(_HURD_HANDLE_IOCTLS, _HURD_HANDLE_IOCTL): Redefine using it, so as to
allow multiple instances using the same function name in one file.
2000-11-13 Marcus Brinkmann <marcus@gnu.org>
* hurd/get-host.c (_hurd_get_host_config): Fix possible buffer
underrun and make sure the result is null terminated even if there
is no trailing newline.
2000-08-22 Mark Kettenis <kettenis@gnu.org>
* hurd/hurdsig.c: Rearrange headers a bit.
(_hurdsig_init): Block until _hurd_msgport_thread is initialized
when cthreads is being used.
2000-07-25 Mark Kettenis <kettenis@gnu.org>
* hurd/thread-cancel.c (hurd_thread_cancel): When cancelling the
calling thread, set the cancellation flag and return success
instead of EINTR.
2000-07-07 Mark Kettenis <kettenis@gnu.org>
* hurd/vpprintf.c [USE_IN_LIBIO]: Include <libioP.h>.
(do_write): Renamed from pwrite.
(vpprintf) [USE_IN_LIBIO]: Adjust for renaming and reshufling of
`struct _IO_cookie_file'.
* mach/Versions (libc: GLIBC_2.0)
[SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)]: Conditionalize
__vm_allocate on this.
[SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)]: Conditionalize
mutex- and spinlock-related symbols on this.
[!SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)] (libc: HURD_CTHREADS_0.3):
New version set. Lock-related symbols go here instead in this case.
* sysdeps/mach/hurd/Versions (libc: GLIBC_2.0): Remove
_cthread_exit_routine, _cthread_init_routine, cthread_keycreate,
cthread_getspecific, cthread_setspecific, __libc_getspecific.
* hurd/Versions
[SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)] (libc: GLIBC_2.0):
Put them here instead.
[!SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)] (libc: HURD_CTHREADS_0.3):
New version set. Those cthreads symbols go here instead in this case.
* Versions.def (libc) [USE_IN_LIBIO]: Add HURD_CTHREADS_0.3 version.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): For MACH_SEND_INTERRUPTED
and other errors that indicate a pseudo-receive happened, grok through
the message buffer for port rights that need references fixed up.
(input, output): Functions removed.
(mach_open_devstream): Use devstream_{read,write} as cookie functions,
using only the vanilla fopencookie interface.
* hurd/fopenport.c [! USE_IN_LIBIO] (cookie_io_functions_t): Define
as macro for __io_functions.
(funcsio): Use cookie_io_functions_t type name.
(fopenport): Renamed from __fopenport. Rewrite to call fopencookie.
* libio/iofopncook.c (_IO_cookie_init): New function, broken out of
fopencookie.
(fopencookie): Use it.
* libio/libio.h: Declare _IO_cookie_init.
* hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Implement using
_IO_cookie_init.
* libio/libio.h (__io_seek_fn): Fix second argument type
to be a pointer, in line with the manual and the old stdio.
* libio/iofopncook.c (_IO_cookie_seek): Fix (sole) caller.
* sysdeps/generic/bits/stdio-lock.h: New file.
This is a stub with #error, but that's better than no file at all.
* sysdeps/unix/sysv/linux/alpha/syscall.S:
* manual/message.texi (Using gettextized software):
* manual/filesys.texi (File Size):
* manual/charset.texi (glibc iconv Implementation):
* locale/programs/ld-collate.c (collate_output):
* manual/stdio.texi (Output Conversion Syntax):
* hurd/fopenport.c [! USE_IN_LIBIO] (cookie_io_functions_t): Define
as macro for __io_functions.
(funcsio): Use cookie_io_functions_t type name.
(fopenport): Renamed from __fopenport. Rewrite to call fopencookie.
* hurd/hurdsig.c (_hurdsig_init): If __hurd_threadvar_stack_mask is
nonzero, use cthread_fork to create the signal thread.
* hurd/msgportdemux.c (_hurd_msgport_receive): Initialize
_hurd_msgport_thread here (to self).
* sysdeps/mach/hurd/fork.c (__fork): When __hurd_sigthread_stack_end
is zero, instead compute child signal thread's starting SP from parent
signal thread's current SP and the threadvar_stack variables.
* hurd/Versions (GLIBC_2.1.3): Add cthread_fork, cthread_detach.
These are now referenced weakly by _hurdsig_init.
* hurd/report-wait.c (_S_msg_report_wait): Fix typo:
&_hurd_itimer_thread not &_hurd_msgport_thread.
1999-10-01 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdfchdir.c (_hurd_change_directory_port_from_fd): Rewrite
without HURD_DPORT_USE to clean up warnings.
* hurd/dtable.c (get_dtable_port): Likewise.
* hurd/hurdioctl.c (rectty_dtable): Renamed to install_ctty.
(install_ctty): Do the changing of the cttyid port cell here, inside
the critical section while we holding the dtable lock.
(_hurd_setcttyid, tiocsctty, tiocnotty): Use that instead of changing
the port cell and calling rectty_dtable.
(_hurd_locked_install_cttyid): New function, split out of install_ctty.
(install_ctty): Use it inside a critical section, with the lock held.
* sysdeps/mach/hurd/setsid.c (__setsid): Use
_hurd_locked_install_cttyid to effect the cttyid and dtable changes
after proc_setsid, having held the dtable lock throughout.
* hurd/dtable.c (ctty_new_pgrp): With the dtable lock held, check the
cttyid port for null and bail out early if so. The dtable lock
serializes us after any cttyid change and its associated dtable update.
* sysdeps/mach/hurd/wait4.c (__wait4): When proc_wait returns EAGAIN,
return zero to indicate no children died yet (assuming WNOHANG).
* sysdeps/mach/hurd/setsid.c: #include <hurd/fd.h>.
1999-09-17 Roland McGrath <roland@baalperazim.frob.com>
* hurd/port2fd.c (_hurd_port2fd): Never change CTTYID port.
* sysdeps/mach/hurd/setsid.c (__setsid): Fix return type -> pid_t.
Return _hurd_pgrp instead of 0.
* hurd/new-fd.c (_hurd_new_fd): Initialize fcntl flags.
* hurd/port2fd.c (_hurd_port2fd): Reset the fcntl flags when
installing PORT in the descriptor cell.
1999-08-19 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Mark OPTION and
TIMEOUT as outputs of the asm to indicate that the signal thread
might mutate them.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Short circuit to plain
mach_msg if only sending or only receiving (i.e., not an RPC). When
making an RPC that might get interrupted, save OPTION and the portion
of the message buffer that gets clobbered by an EINTR reply message,
and properly restore them before attempting to retry the request
message send.
* sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Mark OPTION and
TIMEOUT as outputs of the asm to indicate that the signal thread
might mutate them.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Short circuit to plain
mach_msg if only sending or only receiving (i.e., not an RPC). When
making an RPC that might get interrupted, save OPTION and the portion
of the message buffer that gets clobbered by an EINTR reply message,
and properly restore them before attempting to retry the request
message send.
* sysdeps/mach/_strerror.c: Include <libintl.h>.
1999-07-19 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdsig.c (_hurd_internal_post_signal): If a
hurd_signal_preemptor matches but its `preemptor' field is null, use
its `handler' field directly. This is to comply with behavior
documented in <hurd/sigpreempt.h>.
hurd/hurd/threadvar.h, hurd/hurd/userlink.h: Instead of
_EXTERN_INLINE, use a macro specific to each file,
_HURD_FD_H_EXTERN_INLINE and the like.
* hurd/Makefile (inline-headers): New variable.
(routines): Remove hurdinline. Add $(inlines).
(inlines): New variable.
($(inlines:%=$(objpfx)%.c)): New static pattern rule to generate them.
(generated): Append those here.
* hurd/hurdinline.c: File removed.
* sysdeps/mach/hurd/read.c (__libc_read): Just call __pread with
OFFSET argument of (off_t) -1.
* sysdeps/mach/hurd/write.c (__libc_write): Just call __pwrite with
OFFSET argument of (off_t) -1.
* sysdeps/mach/hurd/pwrite.c: New file.
* sysdeps/mach/hurd/pread.c: New file.
* hurd/fd-read.c (_hurd_fd_read): Take new parameter OFFSET and
pass it in the RPC instead of always -1.
* hurd/fd-write.c (_hurd_fd_write): Likewise.
* hurd/hurd/fd.h: Update decls.
* hurd/hurdinit.c (_hurd_new_proc_init): Don't do initial SIGTRAP if
EXEC_SIGTRAP was set in the incoming exec flags--that indicates the
exec server simulated a SIGTRAP before we even started up, so gdb is
already happy.
* hurd/STATUS: File removed. Moved items that are still relevant into
TODO list in hurd source.
1999-03-26 Mark Kettenis <kettenis@gnu.org>
* sysdeps/mach/hurd/bits/time.h: New file.
* sysdeps/mach/hurd/getrusage.c: New file.
* sysdeps/mach/hurd/clk_tck.c: New file.
* sysdeps/mach/hurd/Versions (libc) [GLIBC_2.1.1]: Add __libc_clk_tck.
* sysdeps/mach/hurd/Makefile [$(subdir) = posix]
(sysdep_routines): Add clk_tck.
* sysdeps/mach/hurd/times.c: Removed, since getrusage is now
implemented.
* sysdeps/mach/hurd/ioctl.c (__ioctl): Move the marshalling of the
arguments into the request message buffer inside `send_rpc'
subfunction. We must repeat the marshalling when retrying the RPC
after a SIGTTOU delivery.
* hurd/ctty-input.c (_hurd_ctty_input): Use early short-circuit code
path when there is no ctty port.
* hurd/ctty-output.c (_hurd_ctty_output): Likewise.
Move sigstate check inside loop so we recheck after handling a signal.
* sysdeps/mach/hurd/bits/fcntl.h
[__USE_GNU] (O_NOFOLLOW, O_DIRECTORY): New macros.
* hurd/hurdlookup.c (__hurd_file_name_lookup): If O_NOFOLLOW is set,
set O_NOTRANS as well.
(__hurd_file_name_lookup_retry): At successful end of lookup,
if O_NOFOLLOW set, io_stat the resultant port and fail with ENOENT if
it is a translated node not owned by root.
(__hurd_file_name_lookup): If O_DIRECTORY is set, put a trailing slash
on the file name passed to LOOKUP.
