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* Use STB_SECONDARY on pthread functions in libchjl/pthread/2.21H.J. Lu2015-09-161-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use STB_SECONDARY binding on pthread functions in libc so that they will be preempted by definitions in libpthread at link-time as well as at run-time. * csu/libc-tls.c (__pthread_initialize_minimal): Mark it secondary if HAVE_ASM_SECONDARY_DIRECTIVE is defined. * misc/error.c (error): Replace pthread_setcancelstate with __pthread_setcancelstate. (error_at_line): Likewise. * posix/wordexp.c (parse_comm): Likewise. * stdlib/fmtmsg.c (fmtmsg): Likewise. * nptl/Makefile: Include ../Makeconfig. (libc-libpthread-routines): New macro. (libc-libpthread-static-only-routines): Likewise. (static-only-routines): Add $(libc-libpthread-static-only-routines) if $(have-secondary) is yes. (routines): Add $(libc-libpthread-routines) if $(have-secondary) is yes. (CFLAGS-libc-pthread_unwind.c): New. * nptl/Versions [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_2.0): Add _pthread_cleanup_pop_restore, _pthread_cleanup_push_defer, __pthread_getspecific, __pthread_setspecific, __pthread_key_create, pthread_once, __pthread_once, __pthread_mutex_lock and __pthread_mutex_unlock. [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_2.2): Add __pthread_rwlock_init, __pthread_rwlock_destroy, __pthread_rwlock_rdlock, __pthread_rwlock_wrlock and __pthread_rwlock_unlock. [HAVE_ASM_SECONDARY_DIRECTIVE] (libc:GLIBC_PRIVATE): Add __pthread_unwind and __pthread_setcancelstate. [HAVE_ASM_SECONDARY_DIRECTIVE] (libpthread:GLIBC_PRIVATE): Add __pthread_setcancelstate. * nptl/forward.c [HAVE_ASM_SECONDARY_DIRECTIVE] (FORWARD2): New. (FORWARD_NORETURN): Likewise. (pthread_setcancelstate): Renamed to ... (__pthread_setcancelstate): This. Don't define if (__pthread_unwind): Don't define if HAVE_ASM_SECONDARY_DIRECTIVE is defined. * nptl/libc-cleanup_defer_compat.c: New file. * nptl/libc-pthread_getspecific.c: Likewise. * nptl/libc-pthread_key_create.c: Likewise. * nptl/libc-pthread_mutex_lock.c: Likewise. * nptl/libc-pthread_mutex_unlock.c: Likewise. * nptl/libc-pthread_once.c: Likewise. * nptl/libc-pthread_rwlock_destroy.c: Likewise. * nptl/libc-pthread_rwlock_init.c: Likewise. * nptl/libc-pthread_rwlock_rdlock.c: Likewise. * nptl/libc-pthread_rwlock_unlock.c: Likewise. * nptl/libc-pthread_rwlock_wrlock.c: Likewise. * nptl/libc-pthread_setcancelstate.c: Likewise. * nptl/libc-pthread_setspecific.c: Likewise. * nptl/libc-pthread_unwind.c: Likewise. * nptl/nptl-init.c (pthread_functions): Don't include secondary pthread functions in libc if HAVE_ASM_SECONDARY_DIRECTIVE is defined. Replace ptr_pthread_setcancelstate with ptr___pthread_setcancelstate. * sysdeps/nptl/pthread-functions.h (pthread_functions): Likewise. * nptl/pthreadP.h (__pthread_unwind): Don't mark it weak if HAVE_ASM_SECONDARY_DIRECTIVE is defined. (__pthread_cond_broadcast_2_0): Declare only if not in libc. (__pthread_cond_destroy_2_0): Likewise. (__pthread_cond_init_2_0): Likewise. (__pthread_cond_signal_2_0): Likewise. (__pthread_cond_timedwait_2_0): Likewise. (__pthread_cond_wait_2_0): Likewise. * scripts/abilist.awk: Support secondary symbols. * sysdeps/generic/localplt.data: Allow pthread functions. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/localplt.data: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/nptl/bits/libc-lockP.h (PTFAVAIL): Defined as 1 if HAVE_ASM_SECONDARY_DIRECTIVE is defined. (__libc_maybe_call): Always call FUNC if HAVE_ASM_SECONDARY_DIRECTIVE is defined. (__libc_ptf_call): Likewise. (__libc_ptf_call_always): Likewise. (__pthread_mutex_init): Don't mark it weak if HAVE_ASM_SECONDARY_DIRECTIVE is defined. (__pthread_mutex_destroy): Likewise. (__pthread_mutex_lock): Likewise. (__pthread_mutex_trylock): Likewise. (__pthread_mutex_unlock): Likewise. (__pthread_mutexattr_init): Likewise. (__pthread_mutexattr_destroy): Likewise. (__pthread_mutexattr_settype): Likewise. (__pthread_rwlock_destroy): Likewise. (__pthread_rwlock_rdlock): Likewise. (__pthread_rwlock_tryrdlock): Likewise. (__pthread_rwlock_wrlock): Likewise. (__pthread_rwlock_trywrlock): Likewise. (__pthread_rwlock_unlock): Likewise. (__pthread_key_create): Likewise. (__pthread_setspecific): Likewise. (__pthread_getspecific): Likewise. (__pthread_once): Likewise. (__pthread_initialize): Likewise. (__pthread_atfork): Likewise. (_pthread_cleanup_push_defer): Likewise. (_pthread_cleanup_pop_restore): Likewise. (__pthread_setcancelstate): New prototype. (pthread_setcancelstate): Renamed to ... (__pthread_setcancelstate): This. Don't mark it weak if HAVE_ASM_SECONDARY_DIRECTIVE is defined. * sysdeps/unix/sysv/linux/x86_64/cancellation.S (__pthread_unwind): Likewise. * sysdeps/unix/sysv/linux/fatal-prepare.h (FATAL_PREPARE): Always call __pthread_setcancelstate if HAVE_ASM_SECONDARY_DIRECTIVE is defined. Replace pthread_setcancelstate with __pthread_setcancelstate. * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: Make __lll_lock_wait_private and __lll_unlock_wake_private weak in libc.a. * sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: Likewise.
* NPTL: Fixed missed conditionalization of setxid hooey.Roland McGrath2015-01-081-0/+2
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-021-1/+1
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* Fix pthreads getrlimit, gettimeofday namespace (bug 17682).Joseph Myers2014-12-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some pthreads functions use getrlimit and gettimeofday, but these functions are XSI, not base POSIX; this is a namespace issue for dynamic linking as well as static linking. This patch makes them use __getrlimit and __gettimeofday instead - the former needed to be newly exported from libc.so at GLIBC_PRIVATE (and so now needs libc_hidden_proto / libc_hidden_def), the latter was already exported. Tested for x86_64 (testsuite, and that disassembly of installed shared libraries is unchanged by the patch). [BZ #17682] * resource/Versions (libc): Add __getrlimit at GLIBC_PRIVATE. * resource/getrlimit.c (__getrlimit): Use libc_hidden_def. * sysdeps/mach/hurd/getrlimit.c (__getrlimit): Likewise. * include/sys/resource.h (__getrlimit): Use libc_hidden_proto. * nptl/nptl-init.c (__pthread_initialize_minimal_internal): Use __getrlimit instead of getrlimit. * nptl/pthread_cond_timedwait.c (__pthread_cond_timedwait): Use __gettimeofday instead of gettimeofday. * nptl/pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock): Likewise. * nptl/pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock): Likewise. * sysdeps/pthread/aio_misc.c (handle_fildes_io): Likewise. * conform/Makefile (test-xfail-POSIX2008/aio.h/linknamespace): Remove variable. (test-xfail-POSIX2008/pthread.h/linknamespace): Likewise. (test-xfail-POSIX2008/time.h/linknamespace): Likewise.
* Use ALIGN_UP in nptl/nptl-init.cCarlos O'Donell2014-11-291-2/+2
| | | | | Replace bespoke code to align a value with the ALIGN_UP macro to make it easier to read.
* NPTL: Move __libc_multiple_threads_ptr defn to nptl-init.cRoland McGrath2014-11-121-0/+5
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* NPTL: Clean up THREAD_SYSINFO macros.Roland McGrath2014-10-171-0/+2
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* NPTL: Conditionalize direct futex syscall uses.Roland McGrath2014-10-171-3/+5
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* NPTL: Conditionalize more uses of SIGCANCEL and SIGSETXID.Roland McGrath2014-10-171-4/+17
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* Fix NPTL build error when missing __NR_set_robust_list.Roland McGrath2014-10-171-0/+2
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* nptl: Fix abort in case of set*id failure [BZ #17135]Florian Weimer2014-07-111-3/+3
| | | | | | | | | | If a call to the set*id functions fails in a multi-threaded program, the abort introduced in commit 13f7fe35ae2b0ea55dc4b9628763aafdc8bdc30c was triggered. We address by checking that all calls to set*id on all threads give the same result, and only abort if we see success followed by failure (or vice versa).
* Check for syscall error in the SETXID implementation in NPTL (bug 13347).Florian Weimer2014-04-011-2/+7
| | | | | | | | At this point, we can only abort the process because we have already switched credentials on other threads. Returning an error would still leave the process in an inconsistent state. The new xtest needs root privileges to run.
* Use glibc_likely instead __builtin_expect.Ondřej Bílka2014-02-101-2/+2
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* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-011-1/+1
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* New API to set default thread attributesSiddhesh Poyarekar2013-06-151-0/+2
| | | | | | | This patch introduces two new convenience functions to set the default thread attributes used for creating threads. This allows a programmer to set the default thread attributes just once in a process and then run pthread_create without additional attributes.
* Move __default_stacksize into __default_pthread_attrSiddhesh Poyarekar2013-03-191-1/+2
| | | | | Make __default_pthread_attr object to store default attribute values for threads.
* Revert GLIBC_PTHREAD_DEFAULT_STACKSIZE changes.Carlos O'Donell2013-03-011-52/+22
| | | | | | | This reverts the change that allows the POSIX Thread default stack size to be changed by the environment variable GLIBC_PTHREAD_DEFAULT_STACKSIZE. It has been requested that more discussion happen before this change goes into 2.18.
* Set default stack size from program environmentSiddhesh Poyarekar2013-03-011-22/+52
| | | | New environment variable GLIBC_PTHREAD_DEFAULT_STACKSIZE to do this.
* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-021-1/+1
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* Remove some pre-2.6.0 Linux kernel conditionals.Joseph Myers2012-08-031-12/+0
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* Fix comment that describes sighandler_setxidSiddhesh Poyarekar2012-07-191-1/+3
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* Remove use of INTDEF/INTUSE in nptlAndreas Schwab2012-05-301-15/+15
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* Replace FSF snail mail address with URLs.Paul Eggert2012-02-091-3/+2
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* Create internal threads with sufficient stack sizeUlrich Drepper2011-12-221-1/+11
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* Avoid race between {,__de}allocate_stack and __reclaim_stacks during forkAndreas Schwab2011-09-151-0/+1
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* Fix robust mutex handling after forkUlrich Drepper2011-06-301-2/+20
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* Fix races in setXid implementation.Daniel Jacobowitz2009-10-301-5/+11
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* Rename nptl/init.c to nptl/nptl-init.c.Ulrich Drepper2009-05-161-0/+446
Needed to allow overwriting architectures init.c in csu and nptl individually. Fixes BZ #9924.
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