(__pthread_rwlock_rdlock): Don't use non SH-3/4 instruction.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S:
(__pthread_rwlock_wrlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S:
(pthread_rwlock_timedrdlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S:
(pthread_rwlock_timedwrlock): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S:
(__pthread_rwlock_unlock): Likewise.
2007-06-10 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/tcb-offsets.sym: Add PRIVATE_FUTEX.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: Include endian.h.
Split __flags into __flags, __shared, __pad1 and __pad2.
* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Use private
futexes if they are available.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Adjust so that change
in libc-lowlevellock.S allow using private futexes.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Define
FUTEX_PRIVATE_FLAG. Add additional parameter to lll_futex_wait,
lll_futex_timed_wait and lll_futex_wake. Change lll_futex_wait
to call lll_futex_timed_wait. Add lll_private_futex_wait,
lll_private_futex_timed_wait and lll_private_futex_wake.
(lll_robust_mutex_unlock): Fix typo.
* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: Use private
field in futex command setup.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Use
COND_NWAITERS_SHIFT instead of COND_CLOCK_BITS.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_once.S: Use private futexes
if they are available. Remove clear_once_control.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Use private
futexes if they are available.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_post.S: Add private futex support.
Wake only when there are waiters.
* sysdeps/unix/sysv/linux/sh/sem_wait.S: Add private futex
support. Indicate that there are waiters. Remove unnecessary
extra cancellation test.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: Likewise. Removed
left-over duplication of __sem_wait_cleanup.
argument.
(_dl_lookup_symbol_x): Adjust caller.
* sysdeps/generic/ldsodefs.h (struct link_namespaces): Remove
_ns_global_scope.
* elf/rtld.c (dl_main): Don't initialize _ns_global_scope.
* elf/dl-libc.c: Revert l_scope name changes.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise. If not SINGLE_THREAD_P,
always use __rtld_mrlock_{change,done}. Always free old scope list
here if not l_scope_mem.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Revert l_scope name
change. Never free scope list here. Just __rtld_mrlock_lock before
the lookup and __rtld_mrlock_unlock it after the lookup.
* elf/dl-sym.c: Likewise.
* include/link.h (struct r_scoperec): Remove.
(struct link_map): Replace l_scoperec with l_scope, l_scoperec_mem
with l_scope_mem and l_scoperec_lock with l_scope_lock.
2006-10-12 Richard Sandiford <richard@codesourcery.com>
[BZ #3352]
* elf/dl-minimal.c (realloc): Let malloc() return a new pointer,
and use memcpy() if it does.
mutexes wake all mutexes.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Don't increment
WAKEUP_SEQ if this would increase the value beyond TOTAL_SEQ.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
($(all-subdirs-targets)): Use it in place of -C option.
* Rules: Use $(..) instead of ../ if it's already defined.
* Makeconfig (subdir-srcdirs): New variable.
* csu/Makefile (all-Banner-files): Use it.
* configure.in (--enable-add-ons): Set to "yes" by default.
Handle absolute add-on directory names when looking for configure
fragments. Also look for sysdeps/*/preconfigure fragments in add-ons.
Require add-on configure to set $libc_add_on_canonical, use
that in $add_ons_sfx. Substitute add_on_subdirs with computed list
of subdir names each add-on configure set in libc_add_on_subdirs.
* configure: Regenerated.
* Makefile (%/preconfigure: %/preconfigure.in): New pattern rule.
* config.make.in (add-on-subdirs): New substituted variable.
* Makeconfig (all-subdirs): Include $(add-on-subdirs).
Remove $(add-ons), $(sysdep-subdirs).
Don't filter out $(sysdep-inhibit-subdirs).
($(common-objpfx)sysd-dirs): Target removed. Don't include it.
($(common-objpfx)sysd-sorted): Rewritten to feed Depend and Subdirs
files together to gen-sorted.awk, and $(subdirs) via -v.
(subdirs): Remove magic reordering for mach and hurd.
* scripts/gen-sorted.awk: Use subdirs from command line.
Process Subdirs and Depend files directly.
Let Subdirs files use "first dir" and "inhibit dir".
Always move elf to the end of the list.
* hurd/Depend: New file.
* sysdeps/mach/Subdirs: Use "first mach".
* Makefile (dist-separate): Remove linuxthreads.
(dist-separate-linuxthreads): Variable removed.
(glibc-%.tar rule): Use $(sysdeps-add-ons).
* Makerules ($(common-objpfx)Versions.v.i): Use $(subdirs),
not $(all-subdirs).
(sysdep-makefiles): Use $(sysdirs).
(sysdirs): Remove export.
($(+sysdir_pfx)sysd-rules): Handle absolute directory names in
$(config-sysdirs).
(+sysdir_pfx): Variable removed.
(sysd-rules): Use $(common-objpfx) in place of it.
(sysdirs): Variable moved to ...
* Makeconfig (sysdirs): ... here.
Handle absolute directory names in $(config-sysdirs).
(full_config_sysdirs): Variable removed.
* csu/Makefile: Use $(sysdirs) in vpath directive.
* math/Makefile (ulps-file): Use $(sysdirs).
* sysdeps/gnu/Makefile (errlist-c): Likewise.
($(objpfx)errlist-compat.c): Likewise.
* Makeconfig (all-Subdirs-files): Likewise.
($(common-objpfx)config.status): Likewise.
* configure.in (sysnames): Handle absolute add-on directory names.
(sysdeps_add_ons): New variable, AC_SUBST it.
Compute which add-ons contributed sysdeps directories.
* configure: Regenerated.
* config.make.in (sysdeps-add-ons): New substituted variable.
* Makerules (+sysdep_dirs, +sysdep-includes): Variables moved ...
* Makeconfig: ... to here.
(+sysdep_dirs): Append $(sysdeps-add-ons) here.
(+includes): Remove $(objpfx) include, already in $(+sysdep_dirs).
Remove $(includes).
(sysdep-makeconfigs): Use $(+sysdep_dirs).
($(common-objpfx)shlib-versions.v.i): Likewise.
* Makeconfig: Remove hair to set Makeconfig-add-on.
* sysdeps/unix/Makefile (sysdirs): Remove export.
(asm_CPP): Variable removed.
($(common-objpfx)sysd-syscalls): Pass them directly for the script.
* sysdeps/posix/Makefile: New file.
* Makerules (L_tmpnam, TMP_MAX, L_ctermid, L_cuserid): Set non-posix
values here with ?=.
* stdlib/gen-mpn-copy: File removed.
* stdlib/Makefile (distribute): Remove it.
* configure.in: Don't grok --with-gmp.
* configure: Regenerated.
* configure.in (libc_cv_idn): Don't check it; libidn/configure does it.
* configure: Regenerated.
* bare: Directory removed, saved in ports repository.
__openat64_not_cancel): Remove prototypes.
(__openat_nocancel, __openat64_nocancel): New prototypes or defines.
(openat_not_cancel, openat_not_cancel_3, openat64_not_cancel,
openat64_not_cancel_3): Use them.
* sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h (pthread_mutex_t):
Don't give the union a name because it changes the mangled name.
Instead name the struct for __data.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_mutex_t):
Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/pthreadtypes.h (pthread_mutex_t):
Likewise.
(precsize_aton): Likewise.
(precsize_ntoa): Likewise.
* resolv/gethnamaddr.c (_gethtbyname): Remove extra prototype.
(gethostbyname2): Likewise.
(gethostbyaddr): Likewise.
(getanswer): Use ISO C function declaration.
and ENOTRECOVERABLE if not already defined.
* sysdeps/unix/sysv/linux/alpha/bits/errno.h: Likewise.
2005-12-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/Versions: Add new errlist-compat
entry for up to 138 errnos.
2004-12-07 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/clone.S: Clear the frame pointer when
starting a new thread. Add support for NPTL where the PID is stored
at userlevel and needs to be reset when CLONE_THREAD is not used.
Update.
* misc/syslog.c (vsyslog): Fix copying of PID in case of
out-of-memory situation. [BZ #365].
* sysdeps/alpha/fpu/bits/mathinline.h: Use __NTH instead of
__THROW in inline function definitions.
2004-09-10 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Decrement
__nwaiters. If pthread_cond_destroy has been called and this is
the last waiter, signal pthread_cond_destroy caller and avoid
using the pthread_cond_t structure after unlock.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Likewise.
2004-07-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-init.c: Don't define and use _dl_starting_up if
HAVE_INLINED_SYSCALLS is defined and the variable is not used.
* elf/dl-support.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-misc.c (_dl_debug_vdprintf): Use writev syscall directly
if HAVE_INLINED_SYSCALLS is defined.
* sysdeps/powerpc/powerpc64/dl-machine.h: Don't rest _dl_starting_up
here.
* sysdeps/powerpc/powerpc32/dl-start.S: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Define HAVE_INLINED_SYSCALLS.
* config.h.in: Add entry for HAVE_INLINED_SYSCALLS.
* sysdeps/posix/profil.c: If compiled for ld.so, omit code which
is needed to stop profiling.
* elf/dl-open.c (dl_open_worker): If a newly opened object is to be
profile make sure it cannot be unloaded.
* sysdeps/unix/sysv/linux/dl-origin.c: Inline readlink syscall.
* sysdeps/unix/sysv/linux/fcntl.c: If compiled without cancellation
support, make sure the helper function is inlined.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Likewise.
2004-06-13 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_cond_t):
Add __data.__futex field, reshuffle __data.__clock.
* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S
(__pthread_cond_signal): Increment __futex at the same time as
__wakeup_seq or __total_seq. Pass address of __futex instead of
address of low 32-bits of __wakeup_seq to futex syscall.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S
(__pthread_cond_wait): Likewise. Pass __futex value from before
releasing internal lock to FUTEX_WAIT.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S
(__pthread_cond_timedwait): Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S
(FUTEX_CMP_REQUEUE): Define.
(__pthread_cond_broadcast): Set __futex to 2 * __total_seq.
Use FUTEX_CMP_REQUEUE operation instead of FUTEX_REQUEUE.
Pass __futex value from before the unlock and __futex address instead
of address of low 32-bits of __wakeup_seq to futex syscall.
Fallback to FUTEX_WAKE all on any errors.
2004-04-20 Jakub Jelinek <jakub@redhat.com>
* stdio-common/vfscanf.c (_IO_vfscanf): When skipping whitespace,
do input_error () instead of conv_error () and don't look at errno.
Don't eat any whitespace before %% if skip_space == 0.
* stdio-common/tst-sscanf.c (int_tests): New array.
(main): Run int_tests.
See ChangeLog.14 for earlier changes.
2004-03-20 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h (CENABLE): Save
the return value to a safe register.
(CDISABLE): Set the function argument correctly.
2003-09-08 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/bits/types.h (__quad_t): Make long int if 64-bit.
(__u_quad_t): Make unsigned long int if 64-bit.
(__SQUAD_TYPE): Make long int if 64-bit.
(__UQUAD_TYPE): Make unsigned long int if 64-bit.
* sysdeps/unix/sysv/linux/s390/bits/typesizes.h: Remove.
2003-09-08 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Run check-c++-types.sh if possible.
* scripts/check-c++-types.h: New file.
* scripts/data/c++-ctypes-i386-linux-gnu.data: New file.
contiguous case. Bug report from Prem Gopalan <prem@mazunetworks.com>.
2003-06-15 Ulrich Drepper <drepper@redhat.com>
Fix cancellation point handling wrt exception based cleanup.
* io/Makefile: Compile fcntl.c, poll.c, and lockf.c with exceptions.
* misc/Makefile: Compile pselect.c, readv.c, writev.c, and usleep.c
with exceptions.
* posix/Makefile: Compile pread.c, pread64.c, pwrite.c, pwrite64.c,
sleep.c, wait.c, waitid.c, and waitpid.c with exceptions.
* rt/Makefile: Compile aio_suspend.c and clock_nanosleep.c with
exceptions.
* signal/Makefile: Compile sigpause.c, sigsuspend.c, sigtimedwait.c,
sigwait.c, and sigwaitinfo.c with exceptions.
* stdlib/Makefile: Compile system.c with exceptions.
* sysvipc/Makefile: Compile msgrcv.c and msgsnd.c with exceptions.
* termios/Makefile: Compile tcdrain.c with exceptions.
* sysdeps/generic/lockf.c: Add comment explaining the cancellation
situation.
* sysdeps/generic/pselect.c: Likewise.
* sysdeps/posix/sigpause.c: Likewise.
* sysdeps/posix/system.c: Likewise.
* sysdeps/posix/waitid.c: Likewise.
* sysdeps/unix/sysv/linux/sleep.c: Likewise.
* sysdeps/unix/sysv/linux/usleep.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Major rewrite of
INTERNAL_SYSCALL to not use push inside asm statement so that
unwind info is correct around the syscall.
* sysdeps/unix/clock_nanosleep.c: Add cancellation support.
* sysdeps/unix/sysv/linux/clock_nanosleep.c: Likewise.
2003-05-28 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/tcb-offsets.sym: Define MUTEX_FUTEX.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h (pthread_cond_t):
Add __mutex field.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h (SYSCALL_WITH_INST_PAD):
Define.
(lll_futex_wait, lll_futex_wake): Define.
* sysdeps/unix/sysv/linux/sh/sh4/lowlevellock.h: New file.
* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: Try using
FUTEX_REQUEUE instead of FUTEX_WAIT.
* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: Remember
mutex which was used in condvar structure. Call
__pthread_mutex_cond_lock instead of __pthread_mutex_lock_internal.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: Don't
include tcb-offsets.h. Read wakeup value in locked region.
Use the value of gbr register as THREAD_ID.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/sem_trywait.S: Remove futex related
macros.
* pthread.c (__pthread_initialize_manager): Subtract
TLS_PRE_TCB_SIZE bytes from tcbp to get to descr.
* manager.c (pthread_handle_create): Subtract or add TLS_PRE_TCB_SIZE
instead of sizeof (pthread_descr).
(pthread_free): Add TLS_PRE_TCB_SIZE instead of sizeof (pthread_descr).
* sysdeps/powerpc/tls.h (TLS_INIT_TCB_SIZE, TLS_TCB_SIZE): Define to 0.
