2003-04-14 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Use
DW_CFA_advance_loc2 for .Laddl-.Lsubl.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Use
DW_CFA_advance_loc for .Laddl-.Lsubl.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Don't use
position-independent unwind data for static libraries.
Add missing unwind info. Add comments.
2003-04-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/tls.h (THREAD_SETMEM): Word around compiler bug
which mishandles loading of global object addresses in PIC.
(THREAD_SETMEM_NC): Likewise.
2003-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c: Cleanup MAIN_AUXVEC_ARG handling.
Remove HAVE_CANCELBUF code. Replace with code using the new
initializers for unwind-based cleanup handling.
* sysdeps/generic/unwind.h: Update from latest gcc version.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define labels in a few
places to allow unwind data generation.
* sysdeps/i386/bits/setjmp.h: Allow file to be included multiple times.
* sysdeps/x86_64/bits/setjmp.h: Likewise.
* sysdeps/sh/bits/setjmp.h: Likewise.
* sysdeps/powerpc/bits/setjmp.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
* sysdeps/alpha/bits/setjmp.h: Likewise.
2003-04-05 Ulrich Drepper <drepper@redhat.com>
* malloc/thread-m.h [PTHREAD_MUTEX_INITIALIZER]: If
HAVE_register_atfork_malloc is defined use __register_atfork_malloc
instead of __register_atfork.
2003-04-01 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (deallocate_tsd): Clear/free memory after the last
round, not the first. Use specific_used flag instead of local
found_nonzero variable. Use THREAD_[SG]ETMEM where possible.
(__free_tcb): Don't call deallocate_tsd here.
(start_thread): Call deallocate_tsd here.
* pthread_setspecific.c: Set specific_used flag really only when
needed.
* Makefile (tests): Add tst-tsd3.c
* tst-tsd3.c: New file.
2003-03-29 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ifaddrs.c (getifaddrs): Avoid
netlink_open calls if netlink is known to not be available.
* sysdeps/unix/sysv/linux/kernel-posix-timers.h: Don't declare
__timer_helper_thread. Declare __start_helper_thread, __helper_once,
and __helper_tid.
(struct timer): Remove th and bar field.
* sysdeps/unix/sysv/linux/timer_create.c (timer_create): Remove
debugging code. Create only one helper thread.
* sysdeps/unix/sysv/linux/timer_delete.c (timer_delete): Don't kill
helper thread.
* sysdeps/unix/sysv/linux/timer_routines.c (timer_helper_thread):
Renamed. Define statically. Use thread info from siginfo.
(__helper_once): New variable.
(__helper_tid): New variable.
(__reset_helper_control): New function.
(__start_helper_thread): New function.
2003-03-27 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/timer_delete.c (timer_delete): Even if
timer_delete syscall fails, but not with ENOSYS, set
__no_posix_timers.
* sysdeps/unix/sysv/linux/timer_settime.c [!__ASSUME_POSIX_TIMERS]
(timer_settime): Fix typo.
2003-03-25 Ulrich Drepper <drepper@redhat.com>
* csu/tst-atomic.c: Adjust tests to what atomic_add_negative and
atomic_add_zero were supposed to do.
* include/atomic.h: Adjust atomic_add_negative and atomic_add_zero
to x86 behavior.
* sysdeps/generic/bits/typesizes.h (__TIMER_T_TYPE): Define as void*.
This matches the new timer implementation.
* sysdeps/unix/sysv/linux/bits/siginfo.h (struct siginfo): Adjust
timer info for what the kernel provides these days.
(struct sigevent): Add _tid field.
Define SIGEV_THREAD_ID.
* Versions.def (librt): Add GLIBC_2.3.3.
* abilist/libpthread.abilist: Update for nptl.
constraint to permit non-constant BIT argument.
(atomic_bit_test_set): Likewise.
* sysdeps/x86_64/bits/atomic.h (atomic_bit_test_set): Likewise.
(atomic_bit_set): Likewise. Use 1UL in case that BIT might be >= 32.
For quadword case, use "i" constraint if __builtin_constant_p and < 32
or "r" constraint otherwise.
* configure.in: Move AC_PROG_CC and other program-finding before all
the version checks.
* configure: Regenerated.
int for variable OLDVAL and correct inline assembler contraint.
* sysdeps/s390/pthread_spin_trylock.c (pthread_spin_trylock): Use
type int for variable OLD.
* sysdeps/s390/tls.h (TLS_MULTIPLE_THREADS_IN_TCB): Define it
only for s390-32.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(SINGLE_THREAD_P): Use global variable __local_multiple_threads
instead of multiple_threads field in the TCB.
* sysdeps/unix/sysv/linux/ia64/pthread_once.c: Use __builtin_expect.
Use __lll_add instead of spelling it out. Use protected symbol names.
* sysdeps/unix/sysv/linux/ia64/sem_post.c: Use __builtin_expect.
Use __lll_add.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.h (__lll_compare_and_swap):
Renamed from lll_compare_and_swap. Use new name where necessary.
(__lll_add): Defined.
(__lll_dec_if_positive): Defined.
(__lll_test_and_set): Defined.
* sysdeps/ia64/pthread_spin_init.c: Removed.
* sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c: Removed.
* sysdeps/unix/sysv/linux/ia64/sem_trywait.c: Removed.
* sysdeps/unix/sysv/linux/ia64/sem_wait.c: Removed.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.c: Removed.
* sysdeps/unix/sysv/linux/ia64/libc-lowlevellock.c: Removed.
* sysdeps/unix/sysv/linux/ia64/libc-lowlevelmutex.c: Removed.
* sysdeps/unix/sysv/linux/ia64/sem_timedwait.c: Removed.
2003-03-17 Ulrich Drepper <drepper@redhat.com>
* sysdeps/ia64/bits/atomic.h: Add __builtin_expect where appropriate.
* sysdeps/ia64/pthread_spin_unlock.c (pthread_spin_unlock): Use
__sync_lock_release_si.
Patch by Jakub Jelinek.
* sysdeps/unix/sysv/linux/lowlevellock.c (__lll_timedlock_wait):
Fix timeout handling.
(__lll_timedwait_tid): Likewise.
(lll_unlock_wake_cb): Wake up other waiters if necessary.
Patch by Jakub Jelinek.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: Pretty printing.
* sysdeps/pthread/pthread_spin_init.c: New file.
* sysdeps/pthread/pthread_spin_unlock.c: New file.
* sysdeps/powerpc/Makefile: New file.
* sysdeps/powerpc/pthread_spin_lock.c: New file.
* sysdeps/powerpc/pthread_spin_trylock.c: New file.
* sysdeps/powerpc/pthreaddef.h: New file.
* sysdeps/powerpc/tcb-offsets.sym: New file.
* sysdeps/powerpc/td_ta_map_lwp2thr.c: New file.
* sysdeps/powerpc/tls.h: New file.
* sysdeps/powerpc/bits/atomic.h: New file.
* sysdeps/unix/sysv/linux/libc-lowlevelmutex.c: New file.
* sysdeps/unix/sysv/linux/libc-lowlevellock.c: New file.
* sysdeps/unix/sysv/linux/lowlevellock.c: New file.
* sysdeps/unix/sysv/linux/lowlevelmutex.c: New file.
* sysdeps/unix/sysv/linux/sem_post.c: New file.
* sysdeps/unix/sysv/linux/sem_timedwait.c: New file.
* sysdeps/unix/sysv/linux/sem_trywait.c: New file.
* sysdeps/unix/sysv/linux/sem_wait.c: New file.
* sysdeps/unix/sysv/linux/powerpc/Makefile: New file.
* sysdeps/unix/sysv/linux/powerpc/createthread.c: New file.
* sysdeps/unix/sysv/linux/powerpc/fork.c: New file.
* sysdeps/unix/sysv/linux/powerpc/lowlevellock.h: New file.
* sysdeps/unix/sysv/linux/powerpc/pt-vfork.S: New file.
* sysdeps/unix/sysv/linux/powerpc/pthread_once.c: New file.
* sysdeps/unix/sysv/linux/powerpc/bits/pthreadtypes.h: New file.
* sysdeps/unix/sysv/linux/powerpc/bits/semaphore.h: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h: New file.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h: New file.
* sysdeps/unix/sysv/linux/ia64/lowlevellock.c: Use __gettimeofday,
not gettimeofday.
* sysdeps/unix/sysv/linux/ia64/lowlevelmutex.c: Likewise.
* sysdeps/unix/sysv/linux/ia64/sem_timedwait.c: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevellock.c: Likewise.
* sysdeps/unix/sysv/linux/s390/lowlevelmutex.c: Likewise.
* sysdeps/unix/sysv/linux/s390/sem_timedwait.c: Likewise.
2003-03-16 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/clock_settime.c (HANDLE_REALTIME): Define tv here,
not at function level.
* sysdeps/unix/clock_gettime.c (HANDLE_REALTIME): Likewise.
2003-03-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/x86_64/pthreaddef.h (CURRENT_STACK_FRAME): Don't use
__builtin_frame_address, use stack pointer.
* sysdeps/unix/sysv/linux/jmp-unwind.c: Use CURRENT_STACK_FRAME
instead of __builtin_frame_pointer.
we always define the padding space.
[!TLS_DTV_AT_TP]: Give tcbhead_t field a name, `header', since GCC
stopped supporting its own extensions fully.
[TLS_MULTIPLE_THREADS_IN_TCB]: Put `multiple_threads' inside a wrapper
struct also called `header', so `header.multiple_threads' is the field
name to use on all machines.
* allocatestack.c (allocate_stack): Use `header.' prefix.
* sysdeps/pthread/createthread.c (create_thread): Likewise.
* pthread_create.c (__pthread_create_2_1): Likewise.
* sysdeps/i386/tls.h (INSTALL_NEW_DTV, THREAD_DTV): Likewise.
(THREAD_SELF): Likewise.
* sysdeps/x86_64/tls.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/s390/td_ta_map_lwp2thr.c (td_ta_map_lwp2thr): Use REGS[18]
value directly.
2003-03-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h (BREAK_INSN_1, BREAK_INSN,
ASM_OUTARGS_0, ASM_OUTARGS_1, ASM_OUTARGS_2, ASM_OUTARGS_3,
ASM_OUTARGS_4, ASM_OUTARGS_5, ASM_OUTARGS_6): Define.
(INTERNAL_SYSCALL, INLINE_SYSCALL): Use it. Make syscall arguments
clobbered by the syscall.
(ASM_ARGS_1, ASM_ARGS_2, ASM_ARGS_3, ASM_ARGS_4, ASM_ARGS_5,
ASM_ARGS_6): Change constraints from r to index of corresponding
output register.
* sysdeps/unix/sysv/linux/ia64/clone2.S (__clone2): Swap
ptid and ctid to match kernel.
* sysdeps/unix/sysv/linux/ia64/system.c (FORK): Likewise.
* sysdeps/powerpc/powerpc64/elf/configure.in: Remove
* sysdeps/powerpc/powerpc64/elf/configure: Regenerated.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_rdlock.S: New file.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_wrlock.S: New file.
* sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_unlock.S: New file.
2003-03-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
(__condvar_cleanup): Wake up all waiters in case we got signaled
after being woken up but before disabling asynchronous
cancellation.
* sysdeps/pthread/pthread_cond_wait.c (__condvar_cleanup): Likewise.
* sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
(__condvar_cleanup): Likewise.
* init.c (__NR_set_tid_address): If already defined, don't redefine.
Make it an error if architecture has no #if case. Add x86-64.
* sysdeps/unix/sysv/linux/x86_64/Makefile: Add flags for
pt-initfini.s generation.
* sysdeps/x86_64/tls.h: Include <asm/prctl.h>.
(TLS_INIT_TP): Fix typo.
2003-03-11 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (__NR_pread64): Define
to __NR_pread if not defined.
(__NR_pwrite64): Define to __NR_pwrite if not defined.
allocate space even for the trailing '/'.
Reported by John Reiser <jreiser@BitWagon.com>.
* sysdeps/unix/sysv/linux/ia64/sysdep.h (LOAD_ARGS_6, ASM_ARGS_6,
ASM_CLOBBERS_6): Define.
(ASM_CLOBBERS_5): Use ASM_CLOBBERS_6.
* sysdeps/unix/sysv/linux/ia64/clone2.S (__clone2): Reorder arguments
to match IA-32 order.
* sysdeps/unix/sysv/linux/i386/clone.S: Fix comment.
* sysdeps/unix/sysv/linux/x86_64/sem_post.S: New file.
* sysdeps/unix/sysv/linux/x86_64/sem_trywait.S: New file.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S: New file.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S: New file.
* sysdeps/unix/sysv/linux/i386/i486/sem_post.S: Fix error value in
unused code.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
(__lll_mutex_lock_wait): Reverse order of first two parameters.
(__lll_mutex_timedlock_wait): Likewise.
(lll_mutex_lock): Adjust asm for that.
(lll_mutex_timedlock): Likewise. Mark cx, cc, r10 as clobbered.
(lll_lock): Adjust asm for operand order change.
* sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S: New file.
* sysdeps/unix/sysv/linux/x86_64/libc-lowlevelmutex.S: New file.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (__lll_lock_wait):
Reverse order of parameters.
(__lll_timedwait_tid): Remove regparms attribute.
* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: New file.
* sysdeps/unix/sysv/linux/sh/lowlevelmutex.S: Define
__lll_mutex_timedlock_wait only for NOT_IN_libc.
* sysdeps/unix/sysv/linux/sh/libc-lowlevelmutex.S: Include
lowlevelmutex.S.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Define
lll_unlock_wake_cb, __lll_wait_tid, and __lll_timedwait_tid only
for NOT_IN_libc.
* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Include
lowlevellock.S.
* sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S: Don't define
LOCK is already defined. Don't define __lll_mutex_timedlock_wait
for libc.so.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevelmutex.S: Only
define LOCK here (if UP is not defined). The actual code is in
lowlevelmutex.S.
* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S: Don't define
LOCK is already defined. Don't define lll_unlock_wake_cb and
__lll_timedwait_tid for libc.so.
* sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Only
define LOCK here (if UP is not defined). The actual code is in
lowlevellock.S.
assembler command.
* sysdeps/unix/Makefile (compile-syscall): New variable.
Pass -g0 to compiler for assembling syscall stubs from stdin.
* sysdeps/i386/sysdep.h [HAVE_CPP_ASM_DEBUGINFO]
(STABS_CURRENT_FILE, STABS_CURRENT_FILE1, STABS_FUN, STABS_FUN_END):
Define these to do nothing.
* configure.in: New check for -g on .S files.
* configure: Regenerated.
* config.make.in (have-cpp-asm-debuginfo): New variable.
* config.h.in (HAVE_CPP_ASM_DEBUGINFO): New #undef.
* Makeconfig (ASFLAGS): New variable, if undefined and
$(have-cpp-asm-debuginfo), take options matching -g% from $(CFLAGS).
* Makerules (compile.S, COMPILE.S): Use $(ASFLAGS).
* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Fix many
leftovers from the ia32 code.
* sysdeps/unix/sysv/linux/i386/pthread_once.S: Remove unneccessary
memory load.
(clear_once_control): Don't load %esi.
* sysdeps/x86_64/tls.h: Remove all traces of segment descriptor
handling.
* sysdeps/unix/sysv/linux/x86_64/fork.c: New file.
* sysdeps/i386/i486/bits/atomic.h: Fix a few unused definitions.
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Remove all trace of
lll_wake_tid. This was used only to work around kernel limits in
the early days.
* sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise.
* sysdeps/unix/sysv/linux/sh/libc-lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.S: Likewise.
* sysdeps/unix/sysv/linux/sh/lowlevellock.h: Likewise.
* pthread_attr_setstack.c: Moved to...
* sysdeps/pthread/pthread_attr_setstack.c: ...here. New file.
* pthread_attr_setstackaddr.c: Moved to...
* sysdeps/pthread/pthread_attr_setstackaddr.c: ...here. New file.
* pthread_create.c: Define __pthread_keys using nocommon
attribute, not by placing it explicitly in bss.
Remove DEFINE_DEALLOC definition. Not needed anymore.
* allocatestack.c: Define ARCH_MAP_FLAGS if not already defined.
Use it in mmap call to allocate stacks.
* sysdeps/pthread/createthread.c (create_thread): Fix comment.
2003-03-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/bits/time.h: Define CLOCK_MONOTONIC.
* sysdeps/posix/clock_getres.c: Define code for CLOCK_REALTIME only
if not already defined. Use SYSDEP_GETRES to allow other files to
provide alternative implementations.
* sysdeps/unix/sysv/linux/clock_getres.c: New file
* sysdeps/unix/clock_gettime.c: Define code for CLOCK_REALTIME only
if not already defined. Use SYSDEP_GETTIME to allow other files to
provide alternative implementations.
* sysdeps/unix/sysv/linux/clock_gettime.c: New file.
* sysdeps/unix/clock_settime.c: Define code for CLOCK_REALTIME only
if not already defined. Use SYSDEP_GETTIME to allow other files to
provide alternative implementations.
* sysdeps/unix/sysv/linux/clock_settime.c: New file.
* sysdeps/unix/clock_nanosleep.c: Use SYSDEP_NANOSLEEP to allow
other files to provide alternative implementations. Rearrange
tests for invalid parameters.
* sysdeps/unix/sysv/linux/clock_nanosleep.c: New file.
* sysdeps/unix/sysv/linux/sysconf.c: New file.
* sysdeps/unix/sysv/linux/kernel-features.h: Define
__ASSUME_POSIX_TIMERS for Linux 2.4.63 and up.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
_POSIX_MONOTONIC_CLOCK.
* sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Remnove
_POSIX_THREAD_PRIORITY_SCHEDULING.
* sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Remove
_XOPEN_REALTIME_THREADS.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
* sysdeps/unix/sysv/linux/pthread_kill.c (__pthread_kill): The
kernel returns EINVAL for PID <= 0, work around it.
* tst-cancel7.c (do_test): Make sure the pid file exists before
canceling the thread.
* libc-cancellation.c (__libc_enable_asynccancel): Rewrite to avoid
2003-02-16 Ulrich Drepper <drepper@redhat.com>
* libc-cancellation.c (__libc_enable_asynccancel): Rwrite to avoid
going into an endless loop.
* Makefile (tests): Add tst-cancel9.
* tst-cancel9.c: New file.
* pthread_cancel.c (pthread_cancel): Use the result of __pthread_kill.
* pthreadP.h: Mark declarations of __find_in_stack_list, __free_tcb,
and __deallocate_stack with internal_function.
* pthread_create.c: Adjust definitions appropriately.
* allocatestack.c: Likewise.
* pthread_join.c: Add one more __builtin_expect.
* pthread_timedjoin.c: Likewise.
* pthread_getspecific.c (__pthread_getspecific): Clear data->data
not data of sequence number does not match.
Add one __builtin_expect.
2003-02-15 Ulrich Drepper <drepper@redhat.com>
* pthread_setconcurrency.c (pthread_setconcurrency): Fail for
negative arguments.
* Makefile (tests): Add tst-basic5.
* tst-basic5.c: New file.
after thread is done. If then zero, call exit(0).
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.
Ulrich Drepper
Roland McGrath
Jakub Jelinek