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.
* init.c (__pthread_initialize_minimal_internal): Likewise.
* descr.h (struct xid_command): Pretty printing.
(struct pthread): Use __pthread_list_t or __pthread_slist_t for
robust_list. Adjust macros.
* pthread_create.c (start_thread): Adjust robust_list handling.
* phtread_mutex_unlock.c: Don't allow unlocking from any thread
but the owner for all robust mutex types.
* sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Define
__pthread_list_t and __pthread_slist_t. Use them in pthread_mutex_t.
* sysdeps/pthread/pthread.h: Adjust mutex initializers.
Jakub Jelinek <jakub@redhat.com>
* descr.h: Define SETXID_BIT and SETXID_BITMASK. Adjust
CANCEL_RESTMASK.
(struct pthread): Move specific_used field to avoid padding.
Add setxid_futex field.
* init.c (sighandler_setxid): Reset setxid flag and release the
setxid futex.
* allocatestack.c (setxid_signal_thread): New function. Broken
out of the bodies of the two loops in __nptl_setxid. For undetached
threads check whether they are exiting and if yes, don't send a signal.
(__nptl_setxid): Simplify loops by using setxid_signal_thread.
* pthread_create.c (start_thread): For undetached threads, check
whether setxid bit is set. If yes, wait until signal has been
processed.
* allocatestack.c (STACK_VARIABLES): Initialize them.
* pthread_create.c (__pthread_create_2_1): Initialize pd.
2004-11-20 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/bits/socket.h (SCM_RIGHTS): Avoid
comma at the end of enum if __USE_BSD is not defined.
(calc_inveclosure, calc_eclosure): Skip OP_DELETED_SUBEXP nodes.
* posix/tst-getaddrinfo2.c: Include stdlib.h and string.h.
(do_test): Use %p instead of 0x%08X to print a pointer.
* malloc/malloc.c: Include stdio-common/_itoa.h.
2004-01-13 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/dl-execstack.c: Change interface. Add
challenge for caller.
* sysdeps/generic/ldsodefs.h: Change declaration and type of hook
member in rtld_global appropriately.
* elf/dl-support.c: Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Take additional paramter.
Pass it on to the changed function.
(_dl_map_object): Pass new parameter to _dl_map_object_from_fd.
2003-12-02 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/elf/initfini.c: Add unwind info.
* sysdeps/ia64/dl-machine.h (elf_machine_matches_host): Mark with
attribute "unused".
(elf_machine_dynamic): Mark with attributes "unused" and "const".
(elf_machine_runtime_setup): Likewise.
* sysdeps/generic/dl-fptr.c (make_fptr_table): Mark with
attribute "always_inline".
* sysdeps/ia64/dl-machine.h (__ia64_init_bootstrap_fdesc_table):
Likewise.
* configure.in: Check whether compiler has libunwind support.
* config.make.in (have-cc-with-libunwind): New variable.
* config.h.in (HAVE_CC_WITH_LIBUNWIND): New macro.
* Makeconfig (gnulib): If have-cc-withh-libunwind is "yes", also
mention -lunwind.
003-11-12 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Define DO_CALL_VIA_BREAK.
Redefine DO_CALL to use vdso if supported, otherwise DO_CALL_VIA_BREAK.
Likewise for DO_INLINE_SYSCALL. Make INTERNAL_SYSCALL use
DO_INLINE_SYSCALL.
* sysdeps/unix/sysv/linux/ia64/vfork.S: Use DO_CALL_VIA_BREAK()
instead of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/clone2.S: Use break directly instead
of DO_CALL().
* sysdeps/unix/sysv/linux/ia64/brk.S (__curbrk): Restructure it
to take advantage of DO_CALL() macro.
* sysdeps/unix/sysv/linux/ia64/setcontext.S: Likewise.
* sysdeps/unix/sysv/linux/ia64/getcontext.S: Likewise.
* elf/rtld.c (dl_main): Restrict dl_sysinfo_dso check to first
program header. On ia64, the check failed previously because
there are two program headers.
* sysdeps/generic/s_nexttowardf.c: Likewise.
* math/bug-nexttoward.c: New file.
* allocatestack.c (change_stack_perm): Split out from
__make_stacks_executable.
(allocate_stack): If the required permission changed between the time
we started preparing the stack and queueing it, change the permission.
(__make_stacks_executable): Call change_stack_perm.
* sysdeps/pthread/createthread.c (do_clone): If __ASSUME_CLONE_STOPPED
is not defined, do explicit synchronization.
(create_thread): Do not lock pd->lock here. If __ASSUME_CLONE_STOPPED
is not defined also unlock pd->lock for non-debugging case in case
it is necessary.
* pthread_create.c (start_thread): Always get and release pd->lock
if __ASSUME_CLONE_STOPPED is not defined.
(start_thread_debug): Removed. Adjust users.
* allocatestack.c (allocate_stack): Always initialize lock if
__ASSUME_CLONE_STOPPED is not defined.
* Makefile (tests): Add tst-sched1.
* tst-sched1.c: New file.
2003-07-07 Ulrich Drepper <drepper@redhat.com>
* descr.h (struct pthread): Add pid field.
* allocatestack.c (allocate_stack): Initialize pid field in descriptor.
(__reclaim_stacks): Likewise.
* init.c (sigcancel_handler): If __ASSUME_CORRECT_SI_PID is defined
also check for PID of the signal source.
(__pthread_initialize_minimal_internal): Also initialize pid field
of initial thread's descriptor.
* pthread_cancel.c: Use tgkill instead of tkill if possible.
* sysdeps/unix/sysv/linux/fork.c: Likewise.
* sysdeps/unix/sysv/linux/pt-raise.c: Likewise.
* sysdeps/unix/sysv/linux/pthread_kill.c: Likewise.
* sysdeps/unix/sysv/linux/raise.c: Likewise.
* include/time.h: Define CLOCK_IDFIELD_SIZE.
* sysdeps/posix/clock_getres.c: Recognize thread CPU clock IDs.
* sysdeps/unix/clock_gettime.c: Likewise.
* sysdeps/unix/clock_settime.c: Likewise.
* sysdeps/unix/clock_nanosleep.c (CPUCLOCK_P): Adjust for new
clock id for thread CPU clocks.
* pthread_join.c (pthread_join): Set tid field of the joined
thread to -1. This isn't necessary but helps to recognize some
error conditions with almost no cost.
* allocatestack.c (FREE_P): Also negative values indicate an
unused stack.
* 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.
* descr.h (struct pthread): Move the union out of [!TLS_DTV_AT_TP], so
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/pthread/createthread.c (ARCH_CLONE): Define if not defined.
(create_thread): Only assert PD->tcb != NULL under [TLS_TCB_AT_TP].
Use ARCH_CLONE.
* allocatestack.c (ALLOCATE_STACK_PARMS): New macro.
[NEED_SEPARATE_REGISTER_STACK] (STACK_VARIABLES,
STACK_VARIABLES_ARGS, STACK_VARIABLES_PARMS, ALLOCATE_STACK_PARMS,
ALLOCATE_STACK): New macros.
(TLS_TPADJ): New macro.
(get_cached_stack, queue_stack, __deallocate_stack): Use TLS_TPADJ.
(allocate_stack): Handle TLS_DTV_AT_TP and
NEED_SEPARATE_REGISTER_STACK. Use TLS_TPADJ.
* pthread_create.c (__pthread_create_2_1) [! TLS_TCB_AT_TP]:
Don't set PD->self.
* init.c [__ia64__] (__NR_set_tid_address): Define.
* 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.
* 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.
2003-02-14 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.
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.
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.
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.
* 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.
2002-12-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/lowlevellock.h: Mark asms as
volatile and add memory clobbers to lock operations.
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.
