(__lll_private_flag): Define.
(lll_futex_wait): Define as a wrapper around lll_futex_timed_wait.
(lll_futex_timed_wait, lll_futex_wake, lll_futex_wake_unlock): Use
__lll_private_flag.
(lll_private_futex_wait, lll_private_futex_timedwait,
lll_private_futex_wake): Define as wrapper around non-_private
macros.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
(__lll_private_flag): Define.
(lll_futex_timed_wait, lll_futex_wake): Use __lll_private_flag.
(lll_private_futex_wait, lll_private_futex_timedwait,
lll_private_futex_wake): Define as wrapper around non-_private
macros.
2007-06-13 Jakub Jelinek <jakub@redhat.com>
* include/link.h: Don't include rtld-lowlevel.h.
(struct link_map): Remove l_scope_lock.
* sysdeps/generic/ldsodefs.h: Don't include rtld-lowlevel.h.
(_dl_scope_free_list): New field (variable) in _rtld_global.
(DL_LOOKUP_SCOPE_LOCK): Remove.
(_dl_scope_free): New prototype.
* elf/dl-runtime.c (_dl_fixup): Don't use __rtld_mrlock_*lock.
Don't pass DL_LOOKUP_SCOPE_LOCK to _dl_lookup_symbol_x.
(_dl_profile_fixup): Likewise.
* elf/dl-sym.c (do_sym): Likewise. Use wrapped _dl_lookup_symbol_x
whenever !RTLD_SINGLE_THREAD_P, use THREAD_GSCOPE_SET_FLAG and
THREAD_GSCOPE_RESET_FLAG around it.
* elf/dl-close.c (_dl_close_worker): Don't use
__rtld_mrlock_{change,done}. Call _dl_scope_free on the old
scope. Make sure THREAD_GSCOPE_WAIT () happens if any old
scopes were queued or if l_scope_mem has been abandoned.
* elf/dl-open.c (_dl_scope_free): New function.
(dl_open_worker): Use it. Don't use __rtld_mrlock_{change,done}.
* elf/dl-support.c (_dl_scope_free_list): New variable.
* elf/dl-lookup.c (add_dependency): Remove flags argument.
Remove DL_LOOKUP_SCOPE_LOCK handling.
(_dl_lookup_symbol_x): Adjust caller. Remove DL_LOOKUP_SCOPE_LOCK
handling.
* elf/dl-object.c (_dl_new_object): Don't use
__rtld_mrlock_initialize.
2007-06-19 Ulrich Drepper <drepper@redhat.com>
(__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.
whether there are more than one thread makes no sense here since
we only call the slow path if the locks are taken.
* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Likewise.
* tst-initializers1.c: Show through exit code which test failed.
* pthread_rwlock_init.c: Also initialize __shared field.
* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Split __flags
element in rwlock structure into four byte elements. One of them is
the new __shared element.
* sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h [__WORDSIZE=32]:
Likewise.
[__WORDSIZE=64]: Renamed __pad1 element int rwlock structire to
__shared, adjust names of other padding elements.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: Likewise.
* sysdeps/pthread/pthread.h: Adjust rwlock initializers.
* sysdeps/unix/sysv/linux/lowlevelrwlock.sym: Add PSHARED.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Define
FUTEX_PRIVATE_FLAG.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: Change main
futex to use private operations if possible.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S:
Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S:
Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: Likewise.
Add private field.
* sysdeps/unix/sysv/linux/lowlevelbarrier.sym: Add PRIVATE definition.
* pthread_barrier_init.c: Set private flag if pshared and private
futexes are supported.
* sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S: Use
private field in futex command setup.
* sysdeps/unix/sysv/linux/x86_64/pthread_barrier_wait.S: Likewise.
* sem_init.c (__new_sem_init): Rewrite to initialize all three
fields in the structure.
(__old_sem_init): New function.
* sem_open.c: Initialize all fields of the structure.
* sem_getvalue.c: Adjust for renamed element.
* sysdeps/unix/sysv/linux/Makefile [subdir=nptl]
(gen-as-const-headers): Add structsem.sym.
* sysdeps/unix/sysv/linux/structsem.sym: New file.
* sysdeps/unix/sysv/linux/internaltypes.h: Rename struct sem to
struct new_sem. Add struct old_sem.
* sysdeps/unix/sysv/linux/sem_post.c: Wake only when there are waiters.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: Likewise.
* sysdeps/unix/sysv/linux/sem_wait.c: Indicate that there are waiters.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: Likewise.
* sysdeps/unix/sysv/linux/sem_timedwait.c: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: Likewise.
* Makefile (tests): Add tst-sem10, tst-sem11, tst-sem12.
* tst-sem10.c: New file.
* tst-sem11.c: New file.
* tst-sem12.c: New file.
* tst-typesizes.c: Test struct new_sem and struct old_sem instead
of struct sem.
2007-05-25 Ulrich Drepper <drepper@redhat.com>
private futexes are available.
* allocatestack.c (allocate_stack): Copy private_futex field from
current thread into the new stack.
* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Use private
futexes if they are available.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Likewise
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: Adjust so that change
in libc-lowlevellock.S allow using private futexes.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Define
FUTEX_PRIVATE_FLAG.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Use private futexes
if they are available.
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Likewise.
* sysdeps/x86_64/tcb-offsets.sym: Add PRIVATE_FUTEX.
* sysdeps/i386/tcb-offsets.sym: Likewise.
* sysdeps/x86_64/tls.h (tcbhead_t): Add private_futex field.
* sysdeps/i386/tls.h (tcbhead_t): Likewise.
* stdio-common/vfprintf.c (vfprintf): Don't shadow workstart variable,
reinitialize workend at the start of each do_positional format spec
loop, free workstart before do_positional loops.
(printf_unknown): Fix size of work_buffer.
* stdio-common/tst-sprintf.c (main): Add 3 new testcases.
global scope, wait for all lookups to finish afterwards.
* elf/dl-open.c (add_to_global): When global scope array must
grow, allocate a new one and free old array only after all
lookups finish.
* elf/dl-runtime.c (_dl_fixup): Protect using global scope.
(_dl_lookup_symbol_x): Likewise.
* elf/dl-support.c: Define _dl_wait_lookup_done.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Add
_dl_wait_lookup_done.
* sysdeps/x86_64/fpu/k_cosl.c: New file.
* sysdeps/x86_64/fpu/k_rem_pio2l.c: New file.
* sysdeps/x86_64/fpu/k_sinl.c: New file.
* sysdeps/x86_64/fpu/k_tanl.c: New file.
(__sched_setaffinity_new): If syscall was successful and
RESET_VGETCPU_CACHE is defined, use it before returning.
* sysdeps/unix/sysv/linux/x86_64/sched_setaffinity.c: New file.
separate cfi regions for the two subsections.
2007-03-13 Richard Henderson <rth@redhat.com>
* sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (PSEUDO): Use two
separate cfi regions for the two subsections.
function table, mangle the pointers.
* sysdeps/pthread/pthread-functions.h: Define PTHFCT_CALL.
* forward.c: Use PTHFCT_CALL and __libc_pthread_functions_init.
* sysdeps/pthread/bits/libc-lock.h: When using __libc_pthread_functions
demangle pointers before use.
* sysdeps/unix/sysv/linux/s390/jmp-unwind.c: Use PTHFCT_CALL to
demangle pointer.
* sysdeps/unix/sysv/linux/jmp-unwind.c: Likewise.
* sysdeps/pthread/setxid.h: Likewise.
Start searching for next comma at p rather than rest.
* misc/Makefile (tests): Add tst-mntent2.
* misc/tst-mntent2.c: New test.
* misc/getusershell.c (initshells): Check for integer overflows.
Make strings buffer one bigger as fgets always succeeds when second
argument is 1. Don't use calloc for shells array. Disallow
/ as shell.
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.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* sunrpc/xdr_mem.c (xdrmem_setpos): Don't compare addresses
as signed longs, check for x_base + pos overflow.
* sunrpc/Makefile (tests): Add tst-xdrmem2.
* sunrpc/tst-xdrmem2.c: New test.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to
_dl_lookup_symbol_x code.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* elf/dl-runtime.c: Include sysdep-cancel.h.
(_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and
scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_*
instead of catomic_* macros.
* elf/dl-sym.c: Include sysdep-cancel.h.
(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-close.c: Include sysdep-cancel.h.
(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-open.c: Include sysdep-cancel.h.
(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Set maxfb to address of last
fastbin rather than end of fastbin array.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct
body macro.
* sysdeps/x86_64/bits/atomic.h
(__arch_c_compare_and_exchange_val_64_acq): Add missing casts.
(catomic_decrement): Use correct body macro.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h: Add a unique prefix to all local variables
in macros.
* csu/tst-atomic.c (do_test): Test also catomic_* macros.
* include/link.h: Include <rtld-lowlevel.h>. Define struct
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.
