2003-02-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c [HAVE_PTR_NTHREADS]: Decrement thread
counter and only call __exit_thread if this is not the last thread.
* descr.h: Define CANCELING_BIT and CANCELING_BITMASK. Introduce
after CANCELTYPE_BIT, move the other bits up. Update CANCEL_RESTMASK.
* init.c (sigcancel_handler): Also set CANCELING_BITMASK bit in newval.
* pthread_cancel.c (pthread_cancel): Likewise. Also set CANCELING_BIT
if asynchronous canceling is enabled.
* pthread_join.c (pthread_join): When recognizing circular joins,
take into account the other thread might be already canceled.
* Makefile (tests): Add tst-join5.
* tst-join5.c: New file.
* tst-cond7.c (do_test): Unlock the mutex before canceling the thread.
* sysdeps/pthread/pthread.h: Add missing initializers. Protect
non-standard initializers with __USE_GNU.
* Makefile: Add rules to build and run tst-atfork2 test.
* tst-atfork2.c: New file.
* tst-atfork2mod.c: New file.
* sysdeps/unix/sysv/linux/unregister-atfork.c
(__unregister_atfork): Free the memory allocated for the handlers
after removing them from the lists.
* sysdeps/unix/sysv/linux/register-atfork.c: Define memeory
cleanup function.
* tst-atfork1.c (do_test): Wait for the child we forked.
Report error in child.
* sysdeps/unix/sysv/linux/fork.c (__libc_fork): Fix comment.
* sysdeps/generic/bits/confname.h: Define _CS_GNU_LIBC_VERSION and
_CS_GNU_LIBPTHREAD_VERSION.
* posix/conststr.c: Handle these new values.
* posix/getconf.c: Likewise.
* io/ftw.c (ftw_startup): When using FTW_CHDIR, always remember
2003-02-10 Ulrich Drepper <drepper@redhat.com>
* elf/Makefile (check-textrel-CFLAGS): Pass _XOPEN_SOURCE and
_BSD_SOURCE to compiler.
* elf/check-textrel.c (SWAP): Add parenthesis to avoid warnings.
Patches by Alan Modra.
2003-02-08 kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/Makefile: New file.
* sysdeps/sh/bits/atomic.h: New file.
* sysdeps/sh/pthread_spin_init.c: New file.
* sysdeps/sh/pthread_spin_lock.c: New file.
* sysdeps/sh/pthread_spin_trylock.S: New file.
* sysdeps/sh/pthread_spin_unlock.S: New file.
* sysdeps/sh/pthreaddef.h: New file.
* sysdeps/sh/tcb-offsets.sym: New file.
* sysdeps/sh/td_ta_map_lwp2thr.c: New file.
* sysdeps/sh/tls.h: New file.
* sysdeps/unix/sysv/linux/sh/bits/pthreadtypes.h: New file.
* sysdeps/unix/sysv/linux/sh/bits/semaphore.h: New file.
* sysdeps/unix/sysv/linux/sh/createthread.c: New file.
* sysdeps/unix/sysv/linux/sh/fork.c: New file.
* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/sh/libc-lowlevelmutex.S: New file.
* sysdeps/unix/sysv/linux/sh/lowlevel-atomic.h: New file.
* sysdeps/unix/sysv/linux/sh/lowlevelcond.h: New file.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: New file.
* sysdeps/unix/sysv/linux/sh/lowlevelmutex.S: New file.
* sysdeps/unix/sysv/linux/sh/lowlevelrwlock.h: New file.
* sysdeps/unix/sysv/linux/sh/pt-initfini.c: New file.
* sysdeps/unix/sysv/linux/sh/pt-vfork.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_barrier_wait.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_cond_broadcast.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_cond_signal.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_cond_wait.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_once.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_rdlock.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedrdlock.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_timedwrlock.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_unlock.S: New file.
* sysdeps/unix/sysv/linux/sh/pthread_rwlock_wrlock.S: New file.
* sysdeps/unix/sysv/linux/sh/sem_post.S: New file.
* sysdeps/unix/sysv/linux/sh/sem_timedwait.S: New file.
* sysdeps/unix/sysv/linux/sh/sem_trywait.S: New file.
* sysdeps/unix/sysv/linux/sh/sem_wait.S: New file.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h: New file.
2003-02-08 Ulrich Drepper <drepper@redhat.com>
* tst-cond2.c: Rearrange code to not rely on behavior undefined
according to POSIX.
* tst-basic2.c (do_test): Lock mutex before creating the thread.
* sysdeps/x86_64/tls.h: Remove unnecessary macros, left over from x86.
(TLS_GET_FS): New #define.
(TLS_SET_FS): New #define.
Correct value of __NR_set_thread_area.
2002-11-24 Robert Love <rml@tech9.net>
* posix/sched.h: Second parameter of sched_setaffinity and
sched_getaffinity is `unsigned int', not `unsigned long'.
* sysdeps/generic/sched_setaffinity.c: Likewise.
* sysdeps/generic/sched_getaffinity.c: Likewise.
Reported by John Levon <levon@movementarian.org>.
2003-02-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control
variable for non-libpthread case to the same value the
pthread_once function would use.
* atomic.h (atomic_compare_and_exchange_acq): Use
__arch_compare_and_exchange_32_acq in return value definition. It
always exists.
(atomic_bit_set): Renamed from atomic_set_bit.
2003-02-03 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (allocate_stack): Implement coloring of the
allocated stack memory. Rename pagesize to pagesize_m1. It's the
size minus one. Adjust users.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Removed
* sysdeps/unix/sysv/linux/i386/i486/lowlevelcond.S: Removed
* sysdeps/unix/sysv/linux/i386/i586/lowlevelsem.S: Removed
* sysdeps/unix/sysv/linux/i386/i586/lowlevelcond.S: Removed
* sysdeps/unix/sysv/linux/i386/i686/lowlevelsem.S: Removed
* sysdeps/unix/sysv/linux/i386/i686/lowlevelcond.S: Removed
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/sem_trywait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/sem_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/sem_trywait.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/sem_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/sem_post.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_signal.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/pthread_cond_broadcast.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/sem_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/sem_trywait.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/sem_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/sem_post.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_wait.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_signal.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/pthread_cond_broadcast.S: New file.
* sysdeps/unix/sysv/linux/i386/lowlevelcond.h: New file.
* stdio-common/vfprintf.c [USE_IN_LIBIO]: Use _IO_cleanup_region_start
instead of __libc_cleanup_region_start and _IO_cleanup_region_end
instead of __libc_cleanup_region_end.
* sysdeps/unix/sysv/linux/i386/system.c (CLEANUP_HANDLER): Pass 1
as first parameter to __libc_cleanup_region_start.
2003-01-16 Jakub Jelinek <jakub@redhat.com>
* elf/dl-load.c (_dl_map_object_from_fd): Use
GL(dl_tls_dtv_slotinfo_list) != NULL to check whether TLS has
been already initialized.
2003-01-14 Ulrich Drepper <drepper@redhat.com>
* manual/install.texi: Correct description of header preparation for
Linux build. Patch by mhwood@Ameritech.Net [PR libc/4941].
2003-01-14 Guido Guenther <agx@sigxcpu.org>
* sysdeps/unix/sysv/linux/mips/sysdep.h (INTERNAL_SYSCALL,
INTERNAL_SYSCALL_DECL, INTERNAL_SYSCALL_ERRNO,
INTERNAL_SYSCALL_ERROR_P, INLINE_SYSCALL): Define.
2003-01-14 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
(INTERNAL_SYSCALL): Make use of ERR parameter.
(INTERNAL_SYSCALL_DECL, INTERNAL_SYSCALL_ERRNO,
INTERNAL_SYSCALL_ERROR_P): Adjust accordingly.
(INLINE_SYSCALL): Make use of INTERNAL_SYSCALL.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S: New file.
Patch by Denis Zaitsev <zzz@cd-club.ru>.
that %eax is modified. Reported by Denis Zaitsev <zzz@cd-club.ru>.
2003-01-06 Philip Blundell <philb@gnu.org>
* sysdeps/unix/arm/sysdep.S (syscall_error): Optimise a little.
[__LIBC_REENTRANT]: Unify PIC and non-PIC cases.
* sysdeps/unix/sysv/linux/arm/sysdep.h (PSEUDO): Remove .type
directive.
(PSEUDO_RET): Use SYSCALL_ERROR in place of __syscall_error.
(SYSCALL_ERROR): New.
(SYSCALL_ERROR_HANDLER) [NOT_IN_libc]: Provide local copy of error
handling code.
(INTERNAL_SYSCALL): Define.
(INLINE_SYSCALL): Use it.
(INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERRNO): Define.
* sysdeps/unix/sysv/linux/arm/socket.S (__socket): Use
SYSCALL_ERROR in place of __syscall_error.
2003-01-07 Jakub Jelinek <jakub@redhat.com>
* sysdeps/ia64/bits/byteswap.h [__GNUC__ >= 2] (__bswap_16,
__bswap_32, __bswap_64): Put x into temporary variable
to avoid warnings.
[!__GNUC__] (__bswap_16, __bswap_32, __bswap_64): Change into static
(inline) functions.
* sysdeps/s390/bits/byteswap.h [__GNUC__ >= 2] (__bswap_16,
__bswap_32, __bswap_64): Put x into temporary variable
to avoid warnings.
[!__GNUC__] (__bswap_16, __bswap_32, __bswap_64): Change into static
(inline) functions.
* sysdeps/i386/bits/byteswap.h [!__GNUC__] (__bswap_16, __bswap_32):
Likewise.
2003-01-07 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/adjtime.c (ntp_adjtime): New weak
alias.
2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/clone.S (__clone): Use
SYSCALL_ERROR_HANDLER.
* sysdeps/unix/sysv/linux/sh/pipe.S (__libc_pipe): Likewise.
* sysdeps/unix/sysv/linux/sh/socket.S (__socket): Likewise.
Add support for cancellation handling.
* sysdeps/unix/sysv/linux/sh/syscall.S (__syscall): Use
SYSCALL_ERROR_HANDLER.
* sysdeps/unix/sysv/linux/sh/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Likewise.
Add support for cancellation handling.
(SYSCALL_ERROR_HANDLER): Define PIC variants.
2003-01-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/Makefile: New file.
* old_pthread_cond_broadcast.c: Optimize initialization a bit to work
around gcc defficiencies.
* old_pthread_cond_signal.c: Likewise.
* old_pthread_cond_timedwait.c: Likewise.
* old_pthread_cond_wait.c: Likewise.
* pthreadP.h (pthread_cond_2_0_t): New type.
(struct pthread_functions): Use new type for 2.0 condvar callbacks.
Use new type for the 2.0 condvar function prototypes.
* forward.c: Use pthread_cond_2_0_t for 2.0 condvar functions.
* old_pthread_cond_init.c: Use pthread_cond_2_0_t for condvar
parameter.
* old_pthread_cond_destroy.c: Likewise.
* old_pthread_cond_broadcast.c: Likewise. Lock appropriately.
* old_pthread_cond_signal.c: Likewise.
* old_pthread_cond_timedwait.c: Likewise.
* old_pthread_cond_wait.c: Likewise.
2003-01-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/pthreadtypes.h (pthread_cond_t): Add padding.
* condvar.c: Add symbol versioning. The compatibility versions
are the same as the change in the interface does not effect this
implementation.
* Versions [libpthread]: Add definitions for new pthread_cond_*
interfaces for version GLIBC_2.3.2.
2002-12-30 Ulrich Drepper <drepper@redhat.com>
* init.c (__pthread_initialize_minimal_internal): Don't mark as
constructor.
2002-12-31 Jakub Jelinek <jakub@redhat.com>
* Makefile ($(inst_libdir)/libpthread.so): Depend on
$(common-objpfx)format.lds, include that into the output script.
Fix comment.
(extra-B-pthread.so): Change linuxthreads/ into nptl/.
* io/sys/stat.h [__USE_MISC]: Define __need_timespec for struct stat.
2002-12-30 Jakub Jelinek <jakub@redhat.com>
* forward.c: Make all functions available by default again. It
caused too much trouble.
* internals.h (struct pthread_functions): Rename ptr_pthread_exit
and ptr_pthread_attr_init_2_* to ptr___pthread_exit and
ptr___pthread_attr_init_2_*.
* pthread.c (pthread_functions): Adjust.
2002-12-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep.h (I386_USE_SYSENTER):
Only define if USE_DL_SYSINFO is defined.
2002-12-22 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h (INLINE_SYSCALL,
INTERNAL_SYSCALL, INTERNAL_SYSCALL_ERROR_P, INTERNAL_SYSCALL_ERROR):
Define. Patch by Richard Henderson and Jes Sorensen.
(PSEUDO): Remove unnecessary ;;.
* elf/rtld.c (dl_main): Initialize TLS even if no PT_TLS segments
are found unless TLS_INIT_TP_EXPENSIVE. Use NONTLS_INIT_TP.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Use NONTLS_INIT_TP
if not initializing thread pointer.
[!USE_TLS && NONTLS_INIT_TP] (__pthread_initialize_minimal): New.
* sysdeps/generic/libc-start.c (__pthread_initialize_minimal): Don't
make it weak also if NONTLS_INIT_TP.
* sysdeps/unix/common/pause.c: Handle cancellation.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h [DONT_LOAD_G1]
(LOADSYSCALL): Remove.
(SYSCALL_ERROR_HANDLER_ENTRY): Define.
(SYSCALL_ERROR_HANDLER): Use it.
(PSEUDO): Don't jump around error handler.
* sysdeps/unix/sysv/linux/sparc/sparc32/pipe.S (__libc_pipe): Don't
jump around error handler.
* sysdeps/unix/sysv/linux/sparc/sparc32/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/socket.S (__socket): Branch
to __syscall_error_handler on failure.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h [DONT_LOAD_G1]
(LOADSYSCALL): Remove.
(SYSCALL_ERROR_HANDLER_ENTRY): Define.
(SYSCALL_ERROR_HANDLER): Use it.
(PSEUDO): Don't jump around error handler.
* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S (__libc_pipe): Don't
jump around error handler.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S (syscall): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/socket.S (__socket): Branch
to __syscall_error_handler on failure.
2002-12-28 Ulrich Drepper <drepper@redhat.com>
* descr.h (struct pthread): Move header.data.list to the back of the
struct.
* sysdeps/i386/tls.h (tcbhead_t): Move list to the back of the struct.
(MULTIPLE_THREADS_OFFSET): Adjust offset.
(SYSINFO_OFFSEET): Likewise.
2002-12-27 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/i386/i686/dl-sysdep.h (USE_DL_SYSINFO):
Define.
(DL_SYSINFO_DEFAULT): Cast to uintptr_t to avoid warnings.
* sysdeps/unix/sysv/linux/i386/dl-sysdep.h (NEED_DL_SYSINFO,
DL_SYSINFO_DEFAULT, DL_SYSINFO_IMPLEMENTATION): Define.
(USE_DL_SYSINFO): Undef.
2002-12-22 Jakub Jelinek <jakub@redhat.com>
* Makefile (tests-reverse): Use $(objpfx)../libc.so instead of
$(common-objpfx)libc.so.
* tst-cancel4.c (tf_write, tf_writev): Increase buf sizes so that
it is bigger than pipe buffer size even on arches with bigger
page size.
(tf_usleep): Cast usleep argument to useconds_t to avoid warnings.
2002-12-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Implement
correct errno access for case that USE___THREAD is not defined.
2002-12-19 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysdep.h: Add support to use AT_SYSINFO
information for system calls.
* sysdeps/generic/dl-sysdep.h: Define RTLD_PRIVATE_ERRNO to 1 only
for ld.so.
* elf/rtld.c (_dl_start) [USE___THREAD]: Define initdtv.
2002-12-18 Ulrich Drepper <drepper@redhat.com>
* descr.h (struct pthread) [NEED_DL_SYSINFO]: Add sysinfo member.
* sysdeps/i386/tls.h (tcbhead_t): Add sysinfo member.
Define SYSINFO_OFFSEET if NEED_DL_SYSINFO is defined.
(INIT_SYSINFO): New #define.
(TLS_TP_INIT): Use INIT_SYSINFO.
* sysdeps/unix/sysv/linux/libc_pthread_init.c (__libc_pthread_init):
At test to make sure SYSINFO_OFFSET value is correct.
* sysdeps/unix/sysv/linux/i386/dl-sysdep.h: New file.
2002-12-17 Jakub Jelinek <jakub@redhat.com>
* malloc/thread-m.h (mutex_init, mutex_lock, mutex_trylock,
mutex_unlock): If not building NPTL, use __libc_maybe_call2 if
available, otherwise __libc_maybe_call.
* sysdeps/unix/sysv/linux/x86_64/recv.c: Add support for
cancellation handling.
* sysdeps/unix/sysv/linux/x86_64/send.c: Likewise.
2002-12-16 Ulrich Drepper <drepper@redhat.com>
* stdio-common/Makefile (routines): Remove lockfile. Add
flockfile, ftrylockfile, and funlockfile.
* sysdeps/generic/lockfile.c: Removed. Each function has its own file.
* sysdeps/generic/flockfile.c: New file.
* sysdeps/generic/ftrylockfile.c: New file.
* sysdeps/generic/funlockfile.c: New file.
* init.c (__pthread_initialize_minimal_internal): Renamed from
__pthread_initialize_minimal. Make old name an alias. This
converts a normal relocation into a relative relocation.
2002-12-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/fcntl.c (do_fcntl): This is the
original __libc_fcntl code. Just renamed.
* sysdeps/unix/sysv/linux/m68k/clone.S: Make inline syscall to _exit.
2002-12-14 Olaf Hering <olh@suse.de>
* sysdeps/powerpc/bits/setjmp.h: Include <bits/wordsize.h>.
* sysdeps/powerpc/powerpc64/setjmp.S: Fix typo in r18 load.
2002-12-13 Ulrich Drepper <drepper@redhat.com>
* misc/syslog.c (log_cleanup): Don't use parameter in
__libc_lock_unlock call, use syslog_lock directly. Adjust callers to
pass NULL instead of a pointer to syslog_lock.
* sysdeps/pthread/bits/libc-lock.h (__libc_cleanup_region_start):
Remember function and argument even if cancellation handler
function is not available.
(__libc_cleanup_region_end): Execute registered function directly if
pthread functions are not available.
(__libc_cleanup_end): Likewise.
2002-12-11 Ulrich Drepper <drepper@redhat.com>
* init.c (__pthread_initialize_minimal): Fix initialization in
static lib by preventing gcc from being too clever.
* malloc/hooks.c [_LIBC && (USE___THREAD || (USE_TLS && !SHARED))]
(malloc_starter, memalign_starter, free_starter): Don't define these.
* malloc/malloc.c [_LIBC && (USE___THREAD || (USE_TLS && !SHARED))]:
Don't declare them either.
* malloc/arena.c (ptmalloc_init) [_LIBC && USE_TLS]: Don't call
__pthread_initialize, so no need to set hooks to *_starter.
(ptmalloc_init_minimal): New function, broken out of ptmalloc_init.
[_LIBC && SHARED && USE_TLS && !USE___THREAD]
(__libc_malloc_pthread_startup): New function.
* malloc/Versions (libc: GLIBC_PRIVATE): New set, add that function.
* malloc/hooks.c (memalign_starter): New function.
* malloc/malloc.c: Declare it.
* malloc/arena.c (save_memalign_hook): New variable.
(ptmalloc_init): Set __memalign_hook to memalign_starter.
* elf/dl-minimal.c (free): Clear the memory.
(calloc): Just call malloc, knowing all memory it returns is cleared.
* sysdeps/generic/dl-tls.c (allocate_dtv): Use calloc instead of
malloc and memset; calloc can avoid the zeroing when redundant.
(_dl_tls_setup): Likewise.
* elf/dl-load.c (decompose_rpath): Likewise.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Comment out memset
call, since memory from sbrk at startup is already zero.
* elf/rtld.c (_dl_start, dl_main): TLS_INIT_TP macro now returns an
error string for failure, null for success. Update callers.
* sysdeps/generic/libc-tls.c (__libc_setup_tls): Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
2002-12-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
lowlevellock.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S: New file.
* sysdeps/pthread/bits/libc-lock.h: Use lowlevellock implementation
for __libc_lock_* macros.
* Makefile (routines): Add libc-lowlevellock.
2002-10-09 Roland McGrath <roland@redhat.com>
* sysdeps/pthread/bits/libc-lock.h (__libc_maybe_call): New macro.
Under [__PIC__], call the function via the pointer fetched for
comparison rather than a call by name that uses the PLT.
(__libc_lock_init, __libc_rwlock_init, __libc_lock_fini)
(__libc_rwlock_fini, __libc_lock_lock, __libc_rwlock_rdlock)
(__libc_rwlock_wrlock, __libc_lock_trylock, __libc_rwlock_tryrdlock)
(__libc_rwlock_trywrlock, __libc_lock_unlock, __libc_rwlock_unlock)
(__libc_key_create, __libc_getspecific, __libc_setspecific): Use it.
* sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
* sysdeps/generic/td_ta_map_lwp2thr.c: New file.
* pthread_create.c (start_thread): Add missing & on __nptl_last_event.
2002-12-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Mark asms as
volatile and add memory clobbers to lock operations.
* sysdeps/i386/i686/bits/atomic.h: Use i486 version.
* sysdeps/i386/i486/bits/atomic.h: New file.
* sysdeps/i386/i586/bits/atomic.h: New file.
* sysdeps/i386/i686/pthread_spin_trylock.S: Define HAVE_CMOV and
include i486 version.
* sysdeps/i386/i486/pthread_spin_trylock.S: New file.
* sysdeps/i386/i586/pthread_spin_trylock.S: New file.
Patch by Marjin Ros <marjin@mad.scientist.com>.
2002-11-28 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define macros which
require it to 200112L. Remove _POSIX_POLL and _POSIX_SELECT.
* sysdeps/x86_64/pthreaddef.h: New file.
* sysdeps/i386/pthreaddef.h (gettid): Removed.
* sysdeps/x86_64/pthread_spin_init.c: New file.
* sysdeps/x86_64/pthread_spin_lock.c: New file.
* sysdeps/x86_64/pthread_spin_trylock.c: New file.
* sysdeps/x86_64/pthread_spin_unlock.c: New file.
* sysdeps/i386/i686/pthread_spin_trylock.S (pthread_spin_trylock):
Add missing lock prefix. Minute optimization.
* tst-spin2.c (main): Also check successful trylock call.
* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct
syscall. Fix typo in case INTERNAL_SYSCALL is not used.
* sysdeps/i386/pthread_spin_destroy.c: Moved to...
* sysdeps/pthread/pthread_spin_destroy.c: ...here. New file.
* sysdeps/i386/pthread_sigmask.c: Removed. Use the generic code.
* sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct
value in case of an error. Add support for INTERNAL_SYSCALL.
2002-11-27 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (parse_expression): Set the bit since the back
reference is used in the regular expression.
* posix/regex_internal.c (re_node_set_init_1): Make it clean in case
of malloc failure.
(re_node_set_init_copy): Likewise.
* posix/regex_internal.h (state_array_t): New structure.
(re_sub_match_last_t): Likewise.
(re_sub_match_top_t): Likewise.
(re_match_context_t): Add new members.
(re_dfa_t): Likewise.
* posix/regexec.c (re_search_internal): Invoke prune_impossible_nodes
to check the matching is really correct, and retry if failed.
Move the routin pruning the impossible nodes from here, ...
(prune_impossible_nodes): To this function.
(check_matching): Invoke check_subexp_matching_top, and replace
redundant checking with transit_state_bkref invocation.
(proceed_next_node): Replace strncmp with memcmp. Reported by
Paolo Bonzini <bonzini@gnu.org>.
(update_cur_sifted_state): Remove search_subexp invocation.
(search_subexp): Remove this function.
(check_dst_limits_calc_pos): Use search_cur_bkref_entry for
optimization.
(sift_states_bkref): Use search_cur_bkref_entry for optimization.
Remove unused invocation of match_ctx_add_entry.
(transit_state): Invoke check_subexp_matching_top.
(check_subexp_matching_top): New function.
(transit_state_bkref): Remove unused array.
Merge transit_state_bkref_loop.
(transit_state_bkref_loop): Use get_subexp instead of
sift_states_backward. Use search_cur_bkref_entry for optimization.
Merge this function to transit_state_bkref.
(get_subexp): New function.
(get_subexp_sub): Likewise.
(find_subexp_node): Likewise.
(check_arrival): Likewise.
(check_arrival_expand_ecl): Likewise.
(check_arrival_expand_ecl_sub): Likewise.
(expand_bkref_cache): Likewise.
(match_ctx_init): Initialize new members.
(match_ctx_clean): New function.
(match_ctx_free): Release new members.
(match_ctx_free_subtops): New function.
(match_ctx_add_entry): Fix indent.
(search_cur_bkref_entry): New function.
(match_ctx_add_subtop): Likewise.
(match_ctx_add_sublast): Likewise.
* sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface. It now
takes the array member name and the index as parameters.
(THREAD_SETMEM_NC): Likewise.
* pthread_getspecific.c: Use new THREAD_GETMEM_NC interface.
* pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC
interfaces.
* sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element
to decide which code to use.
(THREAD_SETMEM_NC): Likewise.
2002-11-26 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (queue_stack): Don't remove stack from list here.
Do it in the caller. Correct condition to prematurely terminate
loop to free stacks.
(__deallocate_stack): Remove stack from list here.
2002-11-26 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-stack1.
* tst-stack1.c: New file.
* allocatestack.c (allocate_stack): Initialize the TCB on a user
provided stack.
* pthread_attr_getstack.c: Return bottom of the thread area.
2002-11-25 Ulrich Drepper <drepper@redhat.com>
* Makefile (libpthread-routines): Add pt-allocrtsig and
pthread_kill_other_threads.
* pt-allocrtsig.c: New file.
* pthread_kill_other_threads.c: New file.
* sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
all three functions.
* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
allocrtsig.
* sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
__libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
and __libc_allocate_rtsig_private.
* Versions (libpthread): Export pthread_kill_other_threads_np,
__libc_current_sigrtmin, and __libc_current_sigrtmax.
2002-11-24 Ulrich Drepper <drepper@redhat.com>
* allocatestack.c (allocate_stack): stackaddr in attribute points to
the end of the stack. Adjust computations.
When mprotect call fails dequeue stack and free it.
* pthread_attr_setstack.c: Store top of the stack in stackaddr
attribute.
* pthread_getattr_np.c: Likewise.
* descr.h (IS_DETACHED): Add some more parenthesis to prevent
surprises.
2002-11-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
attribute definitions. Patch by Luca Barbieri <ldb@ldb.ods.org>.
2002-11-22 Ulrich Drepper <drepper@redhat.com>
* pthread_getspecific.c: Optimize access to first 2nd-level array.
* pthread_setspecific.c: Likewise.
2002-11-21 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
definitions. Get them from the official place.
* sysdeps/unix/sysv/linux/i386/fork.c: Likewise.
* sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
Use new CLONE_ flags in clone() calls.
* sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
* sysdeps/unix/sysv/linux/i386/fork.c: New file.
* Versions: Add pthread_* functions for libc.
* forward.c: New file.
* sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
errno-loc.
* herrno.c: New file.
* res.c: New file.
* Makefile (libpthread-routines): Remove sem_post, sem_wait,
sem_trywait, and sem_timedwait. Add herrno and res.
* sem_init.c: Don't initialize lock and waiters members.
* sem_open.c: Likewise.
* sem_post.c: Removed.
* sem_wait.c: Removed.
* sem_trywait.c: Removed.
* sem_timedwait.c: Removed.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
Includes full implementations of sem_post, sem_wait, sem_trywait,
and sem_timedwait.
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
for new implementation.
* sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
and waiters fields.
* tst-sem3.c: Improve error message.
* tst-signal3.c: Likewise.
* init.c (__pthread_initialize_minimal): Use set_tid_address syscall
to tell the kernel about the termination futex and to initialize tid
member. Don't initialize main_thread.
* descr.h (struct pthread): Remove main_thread member.
* cancelllation.c (__do_cancel): Remove code handling main thread.
The main thread is not special anymore.
* allocatestack.c (__reclaim_stacks): Mark stacks as unused. Add
size of the stacks to stack_cache_actsize.
* pt-readv.c: Add missing "defined".
* pt-sigwait.c: Likewise.
* pt-writev.c: Likewise.
2002-11-09 Ulrich Drepper <drepper@redhat.com>
* Versions: Export __connect from libpthread.
Patch by Luca Barbieri <ldb@ldb.ods.org>.
* Makefile (libpthread-routines): Add pt-raise.
* sysdeps/unix/sysv/linux/raise.c: New file.
* sysdeps/unix/sysv/linux/pt-raise.c: New file.
* sysdeps/generic/pt-raise.c: New file.
* pthread_cond_init.c: Initialize all data elements of the condvar
structure. Patch by Luca Barbieri <ldb@ldb.ods.org>.
* pthread_attr_init.c: Actually implement 2.0 compatibility version.
* pthread_create.c: Likewise.
* Makefile (tests): Add tst-key1, tst-key2, tst-key3.
* tst-key1.c: New file.
* tst-key2.c: New file.
* tst-key3.c: New file.
* Versions: Export pthread_detach for version GLIBC_2.0.
Reported by Saurabh Desai <sdesai@austin.ibm.com>.
2002-11-08 Ulrich Drepper <drepper@redhat.com>
* pthread_key_create.c: Terminate search after an unused key was found.
Patch by Luca Barbieri <ldb@ldb.ods.org>.
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
Patch by Luca Barbieri <ldb@ldb.ods.org>.
2002-10-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
dynamic lookup for errno in PIC.
* allocatestack.c (get_cached_stack): Rearrange code slightly to
release the stack lock as soon as possible.
Call _dl_allocate_tls_init for TCB from the cache to re-initialize
the static TLS block.
(allocate_stack): Call _dl_allocate_tls_init for user-provided stack.
* cancellation.c: Renamed from cancelation.c.
* Makefile: Adjust accordingly.
* pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P.
* cleanup_defer.c: Use CANCELLATION_P.
* pthread_testcancel.c: Likewise.
* descr.h: Fix spelling in comments.
* init.c: Likewise.
* pthread_getattr_np.c: Likewise.
* pthread_getschedparam.c: Likewise.
* pthread_setschedparam.c: Likewise.
* Versions: Likewise.
* pt-pselect.c: New file.
* Makefile (libpthread-routines): Add pt-pselect.
* Versions: Add pselect.
* tst-cancel4.c: New file.
* Makefile (tests): Add tst-cancel4.
2002-10-09 Ulrich Drepper <drepper@redhat.com>
* pthread_mutex_lock.c: Always record lock ownership.
* pthread_mutex_timedlock.c: Likewise.
* pthread_mutex_trylock.c: Likewise.
* pt-readv.c: New file.
* pt-writev.c: New file.
* pt-creat.c: New file.
* pt-msgrcv.c: New file.
* pt-msgsnd.c: New file.
* pt-poll.c: New file.
* pt-select.c: New file.
* pt-sigpause.c: New file.
* pt-sigsuspend.c: New file.
* pt-sigwait.c: New file.
* pt-sigwaitinfo.c: New file.
* pt-waitid.c: New file.
* Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
pt-sigwait, pt-sigwaitinfo, and pt-waitid.
* Versions: Add all the new functions.
* tst-exit1.c: New file.
* Makefile (tests): Add tst-exit1.
* sem_timedwait.c: Minor optimization for more optimal fastpath.
2002-10-08 Ulrich Drepper <drepper@redhat.com>
* pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.
* pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
call. pthread_join is an official cancellation point.
* pthread_timedjoin.c: Likewise.
* pthread_cond_wait.c: Revert order in which internal lock are dropped
and the condvar's mutex are retrieved.
* pthread_cond_timedwait.c: Likewise.
Reported by dice@saros.East.Sun.COM.
2002-10-07 Ulrich Drepper <drepper@redhat.com>
* pthreadP.h: Cut out all type definitions and move them...
* sysdeps/unix/sysv/linux/internaltypes.h: ...here. New file.
* pthreadP.h: Include <internaltypes.h>.
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
performance tweaks.
* sem_trywait.c: Shuffle #includes around to get right order.
* sem_timedwait.c: Likewise.
* sem_post.c: Likewise.
* sem_wait.c: Likewise.
* nptl 0.3 released.
* Makefile (tests): Add tst-signal3.
* tst-signal3.c: New file.
2002-10-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
the asms modify the sem object.
(__lll_sem_timedwait): Now takes struct sem* as first parameter.
* sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
the actual members.
* pthreadP.h (struct sem): New type. Actual semaphore type.
* semaphoreP.h: Include pthreadP.h.
* sem_getvalue.c: Adjust to sem_t change.
* sem_init.c: Likewise.
* sem_open.c: Likewise.
* sem_post.c: Likewise.
* sem_timedwait.c: Likewise.
* sem_trywait.c: Likewise.
* sem_wait.c: Likewise.
2002-10-04 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
* tst-basic2.c: New file.
* tst-exec1.c: New file.
* tst-exec2.c: New file.
* tst-exec3.c: New file.
* tst-fork1.c: Remove extra */.
* nptl 0.2 released. The API for IA-32 is complete.
Ulrich Drepper
Roland McGrath