* posix/execvp.c: If execv fails with ENOEXEC, run the shell on
the file.
Fri Feb 9 11:46:45 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* time/Makefile (CFLAGS-zdump.c, CFLAGS-zic.c, CFLAGS-ialloc.c,
CFLAGS-scheck.c): Use -DNOID instead of -Wno-unused.
* hurd/Makefile (user-interfaces): Added hurd/tioctl.
* hurd/hurdmsg.c (_S_msg_report_wait): Function removed.
* hurd/report-wait.c: New file.
* hurd/Makefile (routines): Added report-wait.
* sysdeps/mach/hurd/Makefile (inhibit-unix-syscalls): New variable.
* sysdeps/mach/hurd/i386/intr-msg.h (struct mach_msg_trap_args):
New type.
(SYSCALL_EXAMINE, MSG_EXAMINE): New inline functions.
* sysdeps/mach/hurd/i386/trampoline.c (struct mach_msg_trap_args):
Structure moved to intr-msg.h; include that.
* time/Makefile (CFLAGS-ialloc.c): Add -Wno-unused.
(CFLAGS-scheck.c): New variable.
* sysdeps/mach/hurd/dl-sysdep.c (__hurd_sigthread_stack_base,
__hurd_sigthread_stack_end, __hurd_sigthread_variables,
__hurd_threadvar_stack_mask): New variables.
* sysdeps/mach/hurd/fork.c: Set the new task's exception port to
its new message port.
* misc/init-misc.c: Put __init_misc in the __libc_subinit set.
* configure.in (uname): Add quoting.
* sysdeps/mach/hurd/fchdir.c: Don't consult errno unless lookup fails.
* hurd/fchroot.c: Likewise.
* posix/sys/types.h [GCC >= 2.7]: Define intN_t/u_intN_t using
__attribute__ ((__mode__ (__XX__))).
Wed Feb 7 03:24:05 1996 Torbjorn Granlund <tege@tmg.se>
* sysdeps/i386/i586/memcopy.h (WORD_COPY_FWD): Manually allocate
destination cache lines.
(WORD_COPY_BWD): Likewise.
Wed Feb 7 14:16:36 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/generic/Makefile (make_siglist): Get signum.h absolute
file name first thing, before $(native-compile) changes directories.
From Gord Matzigkeit <gord@enci.ucalgary.ca>:
* sysdeps/unix/make_errlist.c: Use strerror if available.
* sysdeps/unix/configure.in: New file
* sysdeps/unix/bsd/sun/syscalls.list: Added sigvec.
* sysdeps/unix/bsd/sun/sigvec.S: File removed.
* sysdeps/stub/sendto.c: Make sockaddr arg pointer to const.
* sysdeps/stub/connect.c: Likewise.
* sysdeps/stub/bind.c: Likewise.
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): RETRYNAME of
"" is only special for FS_RETRY_NORMAL; for FS_RETRY_REAUTH, do
another dir_lookup of "".
* dirent/scandir.c: Allocate dirents with correct size for name, and
copy with correct size.
* hurd/hurdinit.c [! PIC] (map0): New function, on _hurd_preinit_hook.
* stdio-common/vfscanf.c (TYPEMOD): New macro of all type modifier
flag bits.
(__vfscanf): Fix checking of extra type modifiers.
* time/asia, time/australasia, time/backward: Updated from ADO 96b.
Tue Jan 30 12:17:26 1996 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* stdlib/strtod.c: Only negate exponent when there really is one.
* stdio-common/vfscanf.c: Accept type modifiers on %n.
Fix FP number parsing.
* setjmp/setjmp.h (jmp_buf): Give a tag in the struct defn, to
make C++ happy.
* alpha/jmp_buf.h: Likewise.
* m68k/jmp_buf.h: Likewise.
* mips/jmp_buf.h: Likewise.
* sparc/jmp_buf.h: Likewise.
* vax/jmp_buf.h: Likewise.
Sun Jan 28 17:25:38 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* setjmp/setjmp.h (jmp_buf): Give a tag in the struct defn, to
make C++ happy.
* alpha/jmp_buf.h: Likewise.
* m68k/jmp_buf.h: Likewise.
* mips/jmp_buf.h: Likewise.
* sparc/jmp_buf.h: Likewise.
* vax/jmp_buf.h: Likewise.
* sysdeps/generic/memmem.c: Fix return value in case where
NEEDLE_LEN==0.
* hurd/hurdlookup.c (__file_name_lookup_under,
__file_name_lookup): Restrict mode with umask.
* sysdeps/mach/hurd/xmknod.c: Restrict mode with umask.
* sysdeps/mach/hurd/mkdir.c: Restrict mode with umask.
* sysdeps/posix/getcwd.c [__GNU_LIBRARY__]: Include unistd.h.
* io/fts.h (FTSENT): Define fts_compar member with prototype.
* hurd/hurd.h: Use prototype in getcttyid decl.
* stdlib/l64a.c: Fix typo in last change.
* stdlib/drand48-iter.c: Test limits.h macros instead of sizeof
for determining size of types.
* stdlib/srand48_r.c: Likewise.
* misc/utmp.h: Declare login, logout, logwtmp.
* misc/logout.c: Declare argument as pointer to const.
* misc/login.c: Likewise.
* misc/logwtmp.c: Likewise.
Include time.h, string.h.
* misc/efgcvt_r.c: Include stdlib.h.
* io/mknod.c: Include sys/types.h.
* gmon/sys/gmon.h: Declare monstartup, _mcleanup.
* csu/gmon-start.c (_start, etext): Declare with prototypes.
* stdio-common/vfscanf.c (%[): Fix range handling.
* sysdeps/mach/hurd/setitimer.c: Code rearranged a bit to use new
preemption interface.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
Use _hurdsig_catch_memory_fault.
* hurd/Makefile (headers): Add hurd/sigpreempt.h.
(sig): Add catch-signal.
* hurd/hurdfault.c (_hurdsig_fault_catch_exception_raise):
Rewritten using a preempter in new interface.
* hurd/hurdfault.h (_hurdsig_catch_fault): Likewise.
(_hurdsig_catch_memory_fault): New macro.
* hurd/catch-signal.c: New file.
* hurd/intr-msg.c: When restarting RPC, fetch a new reply port.
* hurd/hurdsig.c: Use new hurdfault.h interface.
(abort_all_rpcs): Mutate return value to EINTR in threads whose
replies we will wait for.
* hurd/hurdkill.c (_hurd_sig_post): When doing pgrp, make sure we
do ourselves last.
Wed Jan 3 19:17:10 1996 Miles Bader <miles@gnu.ai.mit.edu>
* sysdeps/mach/hurd/access.c (__access): Put the uid/gid arguments
to auth_makeauth() in the right order.
Wed Jan 3 17:19:04 1996 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/generic/strsep.c: Rewritten.
* sysdeps/mach/hurd/fork.c: Use a different workaround for the
suspended page fault deadlock kernel bug: thread_abort our signal
thread first thing after proc_dostop.
* sysdeps/mach/hurd/setgid.c: Rewrote gid frobnication to
recognize rootness properly.
* hurd/hurdsig.c: Use new signal preemption interface.
(hurd_preempt_signals, hurd_unpreempt_signals): Decls removed.
* hurd/hurd/sigpreempt.h: New file.
* hurd/preempt-sig.c: Rewritten with new interface.
* sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Remove local signal
preempters being unwound past.
* db: New directory, 4.4 BSD db package incorporated from BSD db-1.85
release.
* sysdeps/unix/sysv/linux/sys/param.h: Several new macros for BSD
compatibility.
* sysdeps/generic/confname.h: Define all names as self-referential
macros so #ifdef works.
* hurd/preempt-sig.c (hurd_unpreempt_signals): Remove bogus asgnmt
of _hurd_signal_preempters[SIGNO].
* locale/error.c, locale/error.h: Files removed.
* locale/Makefile (distribute): Remove error.h.
(lib-modules): Remove error.
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): For "tty"
magic, return ENXIO if no ctty.
* sysdeps/mach/hurd/mmap.c: For MAP_FIXED, deallocate a previous
mapping if vm_map fails for that reason.
* posix/glob.c: Implement new options GLOB_ALTDIRFUNC, GLOB_BRACE,
GLOB_TILDE, GLOB_NOMAGIC.
(glob): Use stat instead of lstat to determine directoriness.
* posix/glob.h (GLOB_ALTDIRFUNC, GLOB_BRACE, GLOB_NOMAGIC, GLOB_TILDE):
New flag bits.
(__GLOB_FLAGS): Include them.
(glob_t): New members gl_closedir, gl_readdir, gl_opendir, gl_lstat,
gl_stat.
* elf/elf.h (ET_NUM, SHT_NUM, STB_NUM, STT_NUM, PT_NUM): New macros.
* sysdeps/unix/sysv/linux/sys/mman.h: Include <linux/mman.h> to
define all the bit values.
(MAP_*, MCL_*): Macros removed.
* malloc/malloc.c (align): Don't check contiguity and call abort.
* hurd/hurdsig.c (post_reply): Function removed.
(abort_thread, abort_all_rpcs, _hurdsig_abort_rpcs): Don't call it.
Take single callback fn arg instead of reply port and type.
(_hurd_internal_post_signal): Callers changed.
Cache reply stub fn ptr in local var before UNTRACED might be changed.
* sysdeps/mach/hurd/mmap.c: Cope with a null write memobj for
PROT_READ|PROT_WRITE copy mapping. Pass a proper vm_inherit_t to
vm_map.
* elf/rtld.c (_dl_start): For --list, do output and exit before
relocating.
* hurd/hurdsig.c (_hurd_internal_post_signal): For SIGNO == 0,
skip straight to pending check. When UNTRACED, resume process
from suspension first.
* intl/Makefile (headers): New variable, libintl.h.
[gettext-srcdir]: New rules to copy source from $(gettext-srcdir)/intl.
* configure.in: Check for --with-gettext arg.
Fri Nov 10 13:51:30 1995 Richard Stallman <rms@gnu.ai.mit.edu>
* malloc/malloc.c (get_contiguous_space): New function.
(morecore): Rewrite allocating new malloc info table.
(_malloc_internal): Use get_contiguous_space.
Fri Nov 10 13:03:40 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* hurd/hurdexec.c (_hurd_exec): If exec'ing self, pass
_hurd_msgport to be destroyed.
* Makerules (installed-libcs): Filter out %_pic.a.
* hurd/hurdinit.c (_hurd_proc_init): When traced, use msg_sig_post
to our msgport to take SIGTRAP, instead of _hurd_raise_signal.
* hurd/Makefile (user-interfaces): Add hurd/process_request.
PI_FETCH_TASKINFO to proc_getprocinfo and through
_hurd_priority_which_map.
* sysdeps/mach/hurd/setpriority.c (setpriority): Pass new arg to
_hurd_priority_which_map.
* hurd/hurdprio.c (_hurd_priority_which_map): New arg PI_FLAGS,
passed through to proc_getprocinfo RPC.
* hurd/hurd/resource.h: Add PI_FLAGS arg in decl.
New macro.
(PSEUDO): Use it instead of SYSCALL_PIC_SETUP and jmp syscall_error.
* sysdeps/unix/sysv/linux/i386/sysdep.S (__syscall_error): Define
only #ifndef PIC.
* Makeconfig (built-program-cmd): New variable.
* sunrpc/Makefile (rpcgen-cmd): Use $(built-program-cmd).
* time/Makefile (zic-cmd): Likewise.
* hurd/Makefile (user-interfaces): Add hurd/exec_startup.
* sysdeps/generic/_strerror.c: Declare _sys_errlist and _sys_nerr.
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): For magic
`fd/', pass the right pointer to strtol to parse the number.
* sysdeps/mach/hurd/getcwd.c: Use __file_name_lookup_under.
* sysdeps/mach/hurd/bind.c: Likewise.
* sysdeps/mach/hurd/access.c: Use new __hurd_file_name_lookup
calling convention.
* hurd/hurdexec.c: Undo last change (10 Oct 95).
* hurd/hurdlookup.c (__file_name_lookup_under): New function.
(__hurd_file_name_lookup, __hurd_file_name_lookup_retry,
__hurd_file_name_split): Rewritten to take callback functions for
using any needed init or dtable port, instead of passing in crdir
and cwdir ports.
(__file_name_lookup, __file_name_split): Use new calling
convention; pass _hurd_ports_use and __getdport as the callback
functions.
* sysdeps/mach/hurd/chroot.c: Use __file_name_lookup_under instead
of __hurd_file_name_lookup.
* sysdeps/mach/hurd/chdir.c: Likewise.
* sysdeps/mach/hurd/fchdir.c: Likewise.
* hurd/fchroot.c: Likewise.
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
* Makeconfig (config-LDFLAGS): Define to
-Wl-dynamic-linker=$(libdir)$(rtld-installed-name).
(rtld-installed-name): New variable.
* elf/Makefile (install-lib): Variable removed.
(install-others): Define this instead, to
$(libdir)(rtld-installed-name).
($(libdir)(rtld-installed-name)): New target; install from ld.so.
* elf/ldd.sh.in: New file.
* elf/Makefile (distribute): Add ldd.sh.in.
(install-bin): Add ldd.
($(objpfx)ldd: ldd.sh.in): New rule.
* sysdeps/mach/hurd/dl-sysdep.c: Use __hurd_fail throughout.
* hurd/hurd.h (__hurd_fail): Replace macro with inline function.
Translate some Mach errors to Hurd errors.
* elf/rtld.c (dl_main): Under --list, print msg if executable is
statically linked.
* elf/dl-load.c (_dl_map_object_from_fd): Rewrote program header
table processing.
Sat Oct 7 01:25:48 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/stub/machine-gmon.h: Add #error.
Fri Oct 6 01:49:48 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/dynamic-link.h (elf_get_dynamic_info): If DYN is null, don't
examine it.
* hurd/hurdsig.c: Include <hurd/crash.h> in place of <hurd/core.h>.
(write_corefile): Call __crash_dump_task instead of __core_dump_task.
Use envariable CRASHSERVER instead of CORESERVER.
* hurd/Makefile (user-interfaces): Replace hurd/core with hurd/crash.
* libc-symbols.h (link_warning): Take new first arg SYMBOL; ask
for a warning on references to that specific symbol, not the
entire containing object file.
(stub_warning): Pass symbol name to link_warning.
* stdio/gets.c: Pass function name in link_warning invocation.
* hurd/intr-msg.c: Treat apparent EINTR return from msg trap like
MACH_SEND_INTERRUPTED. That indicates interrupt_operation was
sent, but failed.
* stdlib/msort.c: Include memcopy.h.
(msort_with_tmp): If operating on aligned op_t words, use direct word
fetches and stores.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC): Add
missing backslash.
* sysdeps/mach/hurd/select.c: Deal with out of order replies
during io_select request loop.
Handle MACH_RCV_TIMED_OUT error from requests.
* hurd/intr-msg.c: If the user passed the MACH_RCV_TIMEOUT option,
distinguish MACH_RCV_TIMED_OUT from EINTR.
* posix/glob.c (glob): Use realloc to extend strings for GLOB_MARK
slash.
(glob_in_dir): Don't allocate extra byte here.
* sysdeps/i386/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC):
Decrement the DT_RELSZ value for the skipped reloc.
* sysdeps/mach/hurd/mmap.c: Fix inverted test of MAP_FIXED.
* stdio/vfscanf.c (number): Allow field width to inhibit first
digit after base detection.
* stdio/vfprintf.c (vfprintf: %s): Never search past the limit
specified by the precision.
* grp/grpread.c (__grpscan): New function.
* grp/grp.h (__grpscan): Declare it.
* grp/getgrgid.c: Use __grpscan.
* grp/getgrnam.c: Likewise.
* pwd/pwdread.c (__pwdscan): New function.
* pwd/pwd.h (__pwdscan): Declare it.
* pwd/getpwnam.c: Use __pwdscan.
* pwd/getpwuid.c: Likewise.
Thu Aug 24 16:29:40 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/mach/hurd/mmap.c: Treat (FLAGS & MAP_TYPE) == 0 like
MAP_FILE.
* hurd/thread-cancel.c: Return EINTR when called on self.
* sysdeps/i386/elf/start.S (data_start): Define as weak alias for
__data_start.
* inet/netdb.h: Moved to resolv.
* inet/Makefile (headers): Remove netdb.h.
* resolv/Makefile (headers): Add netdb.h.
* resolv/gethnamaddr.c, resolv/inet_addr.c, resolv/netdb.h,
resolv/res_send.c: Updated from BIND-4.9.3-BETA26.
* hurd/thread-cancel.c: If SS->cancel_hook is not null, call it before
resuming the thread.
* hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel_hook'.
* hurd/Makefile: Removed dep on hurd/signal.h for RPC stub objects.
Mon Aug 21 16:37:09 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/i386/dl-machine.h (elf_machine_rel): Grok R_386_NONE
relocs, and do nothing. Why the linker generates them we may
never know.
* sysdeps/mach/hurd/i386/intr-msg.h: New file.
* hurd/intr-msg.c: Use INTR_MSG_TRAP macro from machine-dependent
"intr-msg.h" for special syscall code, instead of i386-specific asm.
* hurd/hurdsig.c: Use INTR_MSG_BACK_OUT macro from
machine-dependent "intr-msg.h" before mutating thread state to
skip RPC.
* sysdeps/mach/hurd/i386/trampoline.c: If PC is inside
_hurd_intr_rpc_mach_msg special syscall code, use real SP saved in
%ecx.
* Makeconfig (link-libc): New variable; use shared library if
available.
(+link): Use it.
* sysdeps/mach/hurd/fork.c (_hurd_fork_locks): Variable removed.
Instead, declare with `symbol_set_declare'.
(fork): Use symbol_set_* macros for _hurd_fork_locks.
Use SS->thread instead of __mach_thread_self (). Suspend all
other threads during task_create and port copying.
* hurd/thread-cancel.c: New file.
* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): In
rpc_wait case, frob mach_msg args to set timeout on receive.
(_hurdsig_rcv_interrupted_p): Function removed.
* sysdeps/mach/hurd/alpha/trampoline.c: Likewise.
* sysdeps/mach/hurd/hppa/trampoline.c: Likewise.
* sysdeps/mach/hurd/mips/trampoline.c: Likewise.
* hurd/intr-msg.c: New file.
* hurd/hurd/signal.h (struct hurd_sigstate): New member `cancel'.
(_hurdsig_rcv_interrupted_p): Declaration removed.
(HURD_EINTR_RPC): Macro removed.
(_hurd_longjmp_thread_state, _hurd_interrupted_rpc_timeout): Declare
these.
* hurd/intr-rpc.h: New file.
* hurd/intr-rpc.defs: Just import intr-rpc.h.
* hurd/hurdsig.c (_hurd_interrupted_rpc_timeout): New variable.
(interrupted_reply_port_location): Take new flag arg; only catch
faults if it's set.
(abort_rpcs): Rename to _hurdsig_abort_rpcs; take same new flag arg.
No longer use _hurdsig_rcv_interrupted_p; instead compare PC to
&_hurd_intr_rpc_msg_in_trap. If before it, mutate state to simulate
MACH_SEND_INTERRUPTED return; on it, interrupt the operation. All
callers changed.
* hurd/hurd.h (hurd_thread_cancel, hurd_check_cancel): Declare these.
* hurd/Makefile (distribute): Remove intr-rpc.awk.
(sig): Add thread-cancel.
(transform-user-stub, transform-user-stub-output): Variables removed.
* sysdeps/mach/hurd/dl-sysdep.c: Change all RPCs from
`__hurd_intr_rpc_*' to `__*'.
(_hurd_intr_rpc_mach_msg): New function.
(_hurd_thread_sigstate): Function removed.
* sysdeps/mach/hurd/ioctl.c: Use _hurd_intr_rpc_mach_msg function,
instead of __mach_msg inside HURD_EINTR_RPC macro.
* sysdeps/generic/morecore.c [__GNU_LIBRARY__]: Declare `__sbrk'
to take ptrdiff_t arg.
* sysdeps/mach/hurd/fork.c: Remove _hurd_longjmp_thread_state decl.
* sysdeps/mach/hurd/kill.c (kill_pid): Don't make `inline'.
* libc-symbols.h [GCC >= 2.7] (strong_alias, weak_symbol,
weak_alias): Use `extern' storage class.
* stdio/stdio.h (__validfp): Use ({...}) rather than a comma
expression, to avoid gcc's "value computed is not used" warning.
* libc-symbols.h (_elf_set_element): Give the set-element variable
an `unused' attribute.
* hurd/hurd/threadvar.h (__hurd_threadvar_location): Declare with
__attribute__ ((__const__)).
* hurd/hurd/signal.h (_hurd_self_sigstate): Likewise.
* hurd/hurd/userlink.h (_hurd_userlink_link): Properly set
LINK->resource.next->resource.prevp when appropriate, not
LINK->resource.next->thread.prevp!!!
