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* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-06113-113/+113
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* htl: Fix sem_wait race between read and gsync_waitSamuel Thibault2022-12-301-2/+2
| | | | | | | | | If the value changes between sem_wait's read and the gsync_wait call, the kernel will return KERN_INVALID_ARGUMENT, which we have to interpret as the value having already changed. This fixes applications (e.g. libgo) seeing sem_wait erroneously return KERN_INVALID_ARGUMENT.
* htl: Make pthread*_cond_timedwait register wref before releasing mutexSamuel Thibault2022-08-221-4/+6
| | | | | Otherwise another thread could be rightly trying to destroy the condition, see e.g. tst-cond20.
* htl: Fix initializing the key lockSamuel Thibault2022-02-142-3/+5
| | | | | | The static pthread_once_t in the pt-key.h header was creating one pthread_once_t per includer. We have to use a shared common pthread_once_t instead.
* htl: Make pthread_[gs]etspecific not check for key validitySamuel Thibault2022-02-142-4/+2
| | | | | | | Since __pthread_key_create might be concurrently reallocating the __pthread_key_destructors array, it's not safe to access it without the mutex held. Posix explicitly says we are allowed to prefer performance over error detection.
* htl: Fix build error in annexcSamuel Thibault2022-01-171-2/+4
| | | | | | | | | | | We were getting ../scripts/evaluate-test.sh posix/annexc $? true false > /usr/src/glibc-upstream/build/posix/annexc.test-result In file included from ../include/pthread.h:1, from <stdin>:1: ../sysdeps/htl/include/pthread.h:7:62: error: missing binary operator before token "(" 7 | # if defined __USE_EXTERN_INLINES && defined _LIBC && !IS_IN (libsupport) | ^
* htl: Hide __pthread_attr's __schedparam type [BZ #23088]Samuel Thibault2022-01-155-9/+11
| | | | | | | | | | The content of the structure is only used internally, so we can make __pthread_attr_getschedparam and __pthread_attr_setschedparam convert between the public sched_param type and an internal __sched_param. This allows to avoid to spuriously expose the sched_param type. This fixes BZ #23088.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2022-01-01113-113/+113
| | | | | | | | | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
* htl: Reimplement GSCOPESergey Bugaev2021-09-161-0/+55
| | | | | | | | | | | | | | | | This is a new implementation of GSCOPE which largely mirrors its NPTL counterpart. Same as in NPTL, instead of a global flag shared between threads, there is now a per-thread GSCOPE flag stored in each thread's TCB. This makes entering and exiting a GSCOPE faster at the expense of making THREAD_GSCOPE_WAIT () slower. The largest win is the elimination of many redundant gsync_wake () RPC calls; previously, even simplest programs would make dozens of fully redundant gsync_wake () calls. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20210915171110.226187-3-bugaevc@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
* htl: Move thread table to ld.soSergey Bugaev2021-09-165-8/+40
| | | | | | | | | | | The next commit is going to introduce a new implementation of THREAD_GSCOPE_WAIT which needs to access the list of threads. Since it must be usable from the dynamic laoder, we have to move the symbols for the list of threads into the loader. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20210915171110.226187-2-bugaevc@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
* Remove "Contributed by" linesSiddhesh Poyarekar2021-09-032-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* htl: Do not expose pthread hidden proto outside libpthreadSamuel Thibault2021-07-181-3/+3
| | | | Only libpthread.so can access them.
* htl: Fix linking static examples against libpthreadSamuel Thibault2021-07-131-1/+1
| | | | libpthread.a uses some mach and hurd RPCs so we need to link them in.
* htl: Let libc call __pthread_mutex_{,try,un}lockSamuel Thibault2021-07-131-0/+3
| | | | | Now that NPTL was moved to libc, libc makes internal __pthread calls, so htl has to expose them internally.
* Linux: Cleanups after librt moveFlorian Weimer2021-06-281-0/+6
| | | | | | | | | | | | librt.so is no longer installed for PTHREAD_IN_LIBC, and tests are not linked against it. $(librt) is introduced globally for shared tests that need to be linked for both PTHREAD_IN_LIBC and !PTHREAD_IN_LIBC. GLIBC_PRIVATE symbols that were needed during the transition are removed again. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Consolidate pthread_atforkAdhemerval Zanella2021-06-243-67/+4
| | | | | | | | | | | | The pthread_atfork is similar between Linux and Hurd, only the compat version bits differs. The generic version is place at sysdeps/pthread with a common name. It also fixes an issue with Hurd license, where the static-only object did not use LGPL + exception. Checked on x86_64-linux-gnu, i686-linux-gnu, and with a build for i686-gnu.
* rt: Move generic implementation from sysdeps/pthread to rtFlorian Weimer2021-06-221-0/+555
| | | | | | | | | | | | | | | | | | The pthread-based implementation is the generic one. Replacing the stubs makes it clear that they do not have to be adjusted for the libpthread move. Result of: git mv -f sysdeps/pthread/aio_misc.h sysdeps/generic/ git mv sysdeps/pthread/timer_routines.c sysdeps/htl/ git mv -f sysdeps/pthread/{aio,lio,timer}_*.c rt/ Followed by manual adjustment of the #include paths in sysdeps/unix/sysv/linux/wordsize-64, and a move of the version definitions formerly in sysdeps/pthread/Versions. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Implement raise in terms of pthread_killAdhemerval Zanella2021-06-091-2/+0
| | | | | | | | | | | | | | | | Now that pthread_kill is provided by libc.so it is possible to implement the generic POSIX implementation as 'pthread_kill(pthread_self(), sig)'. For Linux implementation, pthread_kill read the targeting TID from the TCB. For raise, this it not possible because it would make raise fail when issue after vfork (where creates the resulting process has a different TID from the parent, but its TCB is not updated as for pthread_create). To make raise use pthread_kill, it is make usable from vfork by getting the target thread id through gettid syscall. Checked on x86_64-linux-gnu and aarch64-linux-gnu.
* Hurd: Define ARCH_MIN_GUARD_SIZE in internal <pthread.h>Florian Weimer2021-05-201-0/+3
| | | | | | This macro is always defined on Linux. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
* Add __attribute_access_none to disable GCC warnings [BZ #27714]Martin Sebor2021-04-271-1/+1
| | | | | | | | | | | | | | | | GCC 11 warns when a pointer to an uninitialized object is passed to a function that takes a const-qualified argument. This is done on the assumption that most such functions read from the object. For the rare case of a function that doesn't, GCC 11 extends attribute access to add a new mode called none. POSIX pthread_setspecific() is one such rare function that takes a const void* argument but that doesn't read from the object it points to. To suppress the -Wmaybe-uninitialized issued by GCC 11 when the address of an uninitialized object is passed to it (e.g., the result of malloc()), this change #defines __attr_access_none in cdefs.h and uses the macro on the function in sysdeps/htl/pthread.h and sysdeps/nptl/pthread.h.
* Remove pthread_key_create-related internals from libc-lock.hFlorian Weimer2021-04-211-13/+0
| | | | | And libc-lockP.h. This is no longer used because all internal TLS use goes directly to the thread descriptor/TCB or uses ELF TLS.
* fork.h: replace with register-atfork.hSamuel Thibault2021-03-292-21/+0
| | | | | | | | | | | | | UNREGISTER_ATFORK is now defined for all ports in register-atfork.h, so most previous includes of fork.h actually only need register-atfork.h now, and cxa_finalize.c does not need an ifdef UNREGISTER_ATFORK any more. The nptl-specific fork generation counters can then go to pthreadP.h, and fork.h be removed. Checked on x86_64-linux-gnu and i686-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* htl: Add missing fork.hSamuel Thibault2021-03-241-0/+20
| | | | | | | | 2b47727c68b6 ("posix: Consolidate register-atfork") introduced a fork.h header to declare the atfork unregister hook, but was missing adding it for htl. This fixes tst-atfork2.
* posix: Consolidate register-atforkAdhemerval Zanella2021-03-122-29/+1
| | | | | | | | | | | | | Both htl and nptl uses a different data structure to implement atfork handlers. The nptl one was refactored by 27761a1042d to use a dynarray which simplifies the code. This patch moves the nptl one to be the generic implementation and replace Hurd linked one. Different than previous NPTL, Hurd also uses a global lock, so performance should be similar. Checked on x86_64-linux-gnu, i686-linux-gnu, and with a build for i686-gnu.
* linux: Require /dev/shm as the shared memory file systemFlorian Weimer2021-02-081-30/+0
| | | | | | | | | | | | | | | | | | | | | Previously, glibc would pick an arbitrary tmpfs file system from /proc/mounts if /dev/shm was not available. This could lead to an unsuitable file system being picked for the backing storage for shm_open, sem_open, and related functions. This patch introduces a new function, __shm_get_name, which builds the file name under the appropriate (now hard-coded) directory. It is called from the various shm_* and sem_* function. Unlike the SHM_GET_NAME macro it replaces, the callers handle the return values and errno updates. shm-directory.c is moved directly into the posix subdirectory because it can be implemented directly using POSIX functionality. It resides in libc because it is needed by both librt and nptl/htl. In the sem_open implementation, tmpfname is initialized directly from a string constant. This happens to remove one alloca call. Checked on x86_64-linux-gnu.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-02114-114/+114
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* htl: Get sem_open/sem_close/sem_unlink support [BZ #25524]Samuel Thibault2020-12-163-93/+0
| | | | | This just moves the existing nptl implementation to reuse as it is in htl.
* htl: Add pshared semaphore supportSamuel Thibault2020-12-168-184/+253
| | | | | | The implementation is extremely similar to the nptl implementation, but with slight differences in the futex interface. This fixes some of BZ 25521.
* htl: Add futex-internal.hSamuel Thibault2020-12-161-0/+39
| | | | That provides futex_supports_pshared
* htl: Add hidden def for __pthread_create/detachSamuel Thibault2020-12-031-0/+2
| | | | to avoid a PLT.
* hurd: Remove some remnants of cthreadsSamuel Thibault2020-11-152-2/+2
| | | | | Libc has actually been using mach's lock-internal.h mutex for a long time already.
* htl: Fix spurious symbols in namespacesSamuel Thibault2020-11-115-5/+5
| | | | | pthread_attr_{{get,set}stack{addr,size},setstack} were defining a strong alias for no reason, turning them to weak.
* htl: Move cleanup handling to non-private libc-lockSamuel Thibault2020-06-282-33/+70
| | | | | | | | | | | | | | | | | This adds sysdeps/htl/libc-lock.h which augments sysdeps/mach/libc-lock.h with the htl-aware cleanup handling. Otherwise inclusion of libc-lock.h without libc-lockP.h would keep only the mach-aware handling. This also fixes cleanup getting called when the binary is statically-linked without libpthread. * sysdeps/htl/libc-lockP.h (__libc_cleanup_region_start, __libc_cleanup_end, __libc_cleanup_region_end, __pthread_get_cleanup_stack): Move to... * sysdeps/htl/libc-lock.h: ... new file. (__libc_cleanup_region_start): Always set handler and arg. (__libc_cleanup_end): Always call the cleanup handler. (__libc_cleanup_push, __libc_cleanup_pop): New macros.
* htl: Fix includes for lockfileSamuel Thibault2020-06-283-6/+3
| | | | | | | | | | | These only need exactly to use __libc_ptf_call. * sysdeps/htl/flockfile.c: Include <libc-lockP.h> instead of <libc-lock.h> * sysdeps/htl/ftrylockfile.c: Include <libc-lockP.h> instead of <errno.h>, <pthread.h>, <stdio-lock.h> * sysdeps/htl/funlockfile.c: Include <libc-lockP.h> instead of <pthread.h> and <stdio-lock.h>
* htl: Add wrapper header for <semaphore.h> with hidden __sem_postFlorian Weimer2020-06-243-2/+11
| | | | | | | This is required to avoid a check-localplt failure due to a sem_post call through the PLT. Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
* htl: Fix case when sem_*wait is canceled while holding a tokenSamuel Thibault2020-06-241-2/+13
| | | | | | | | * sysdeps/htl/sem-timedwait.c (struct cancel_ctx): Add cancel_wake field. (cancel_hook): When unblocking thread, set cancel_wake field to 1. (__sem_timedwait_internal): Set cancel_wake field to 0 by default. On cancellation exit, check whether we hold a token, to be put back.
* htl: Make sem_*wait cancellations pointsSamuel Thibault2020-06-241-8/+84
| | | | | | | | | | | | | | By aligning its implementation on pthread_cond_wait. * sysdeps/htl/sem-timedwait.c (cancel_ctx): New structure. (cancel_hook): New function. (__sem_timedwait_internal): Check for cancellation and register cancellation hook that wakes the thread up, and check again for cancellation on exit. * nptl/tst-cancel13.c, nptl/tst-cancelx13.c: Move to... * sysdeps/pthread/: ... here. * nptl/Makefile: Move corresponding references and rules to... * sysdeps/pthread/Makefile: ... here.
* htl: Simplify non-cancel path of __pthread_cond_timedwait_internalSamuel Thibault2020-06-241-20/+21
| | | | | | | | | Since __pthread_exit does not return, we do not need to indent the noncancel path * sysdeps/htl/pt-cond-timedwait.c (__pthread_cond_timedwait_internal): Move cancelled path before non-cancelled path, to avoid "else" indentation.
* htl: Fix cleanup support for IO lockingSamuel Thibault2020-06-142-0/+90
| | | | | | | | | | * sysdeps/htl/stdio-lock.h: New file, registers locking cleanup to htl. * sysdeps/htl/libc-lockP.h: Include <libc-lock.h>. (__libc_cleanup_region_start, __libc_cleanup_end, __libc_cleanup_region_end): Override macros from <libc-lock.h> with versions which register cleanup to htl. (__pthread_get_cleanup_stack): Make reference weak for skipping registration on in the static non-libpthread case.
* htl: Add noreturn attribute on __pthread_exit forwardSamuel Thibault2020-06-141-2/+2
| | | | | | | * sysdeps/htl/pthread-functions.h (__pthread_exit): Add noreturn attribute. (struct pthread_functions): Add noreturn attribute on ptr___pthread_exit field.
* htl: Fix registration of atfork handlers in modulesSamuel Thibault2020-06-072-2/+12
| | | | | | | | | | We really need modules to use their own pthread_atfork so that __dso_handle properly identifies them. * sysdeps/htl/pt-atfork.c (__pthread_atfork): Hide function. (pthread_atfork): Hide alias. * sysdeps/htl/old_pt-atfork.c (pthread_atfork): Rename macro to __pthread_atfork to fix building the compatibility alias.
* htl: Fix tls initialization for already-created threadsSamuel Thibault2020-06-071-0/+3
| | | | | | | | | * sysdeps/htl/pthreadP.h: Include <link.h> (__pthread_init_static_tls): New prototype. * htl/pt-alloc.c (__pthread_init_static_tls): New function. * sysdeps/mach/hurd/htl/pt-sysdep.c (_init_routine): Initialize tcb field of initial thread. Set GL(dl_init_static_tls) to &__pthread_init_static_tls.
* htl: Add sem_clockwait supportSamuel Thibault2020-06-072-3/+12
| | | | | | | | | | | | | * sysdeps/htl/sem-timedwait.c (__sem_timedwait_internal): Add clock_id parameter instead of hardcoding CLOCK_REALTIME. (__sem_clockwait): New function. (sem_clockwait): New weak alias. * sysdeps/htl/sem-wait.c (__sem_timedwait_internal): Update declaration. (__sem_wait): Update call to __sem_timedwait_internal. * htl/Versions (GLIBC_2.32): Add sem_clockwait. * sysdeps/mach/hurd/i386/libpthread.abilist (sem_clockwait): Add symbol. * nptl/Makefile (tests): Move tst-sem5 to... * sysdeps/pthread/Makefile (tests): ... here.
* htl: Fix gsync_wait symbol expositionSamuel Thibault2020-06-011-1/+1
| | | | | * sysdeps/htl/pt-cond-destroy.c (__pthread_cond_destroy): Call __gsync_wait instead of gsync_wait.
* htl: Make pthread_cond_destroy wait for threads to be wokenSamuel Thibault2020-06-013-5/+28
| | | | | | | | | | | | | | | | | | This allows to reuse the storage after calling pthread_cond_destroy. * sysdeps/htl/bits/types/struct___pthread_cond.h (__pthread_cond): Replace unused struct __pthread_condimpl *__impl field with unsigned int __wrefs. (__PTHREAD_COND_INITIALIZER): Update accordingly. * sysdeps/htl/pt-cond-timedwait.c (__pthread_cond_timedwait_internal): Register as waiter in __wrefs field. On unregistering, wake any pending pthread_cond_destroy. * sysdeps/htl/pt-cond-destroy.c (__pthread_cond_destroy): Register wake request in __wrefs. * nptl/Makefile (tests): Move tst-cond20 tst-cond21 to... * sysdeps/pthread/Makefile (tests): ... here. * nptl/tst-cond20.c nptl/tst-cond21.c: Move to... * sysdeps/pthread/tst-cond20.c sysdeps/pthread/tst-cond21.c: ... here.
* htl: Add clock variantsSamuel Thibault2020-05-268-12/+126
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * htl/pt-join.c (__pthread_join): Move implementation to... (__pthread_join_common): ... new function. Add try, timed and clock support. (__pthread_join): Reimplement on top of __pthread_join_common. (__pthread_tryjoin_np, __pthread_timedjoin_np, __pthread_clockjoin_np): Implement on top of __pthread_join_common. (pthread_tryjoin_np, pthread_timedjoin_np, pthread_clockjoin_np): New aliases. * hurd/hurdlock.c (__lll_abstimed_wait, __lll_abstimed_xwait, __lll_abstimed_lock): Check for supported clock. * sysdeps/htl/pt-cond-timedwait.c (__pthread_cond_timedwait_internal): Add clockid parameter and support it. (__pthread_cond_timedwait): Pass -1 as clockid. (__pthread_cond_clockwait): New function. (pthread_cond_clockwait): New alias. * sysdeps/htl/pt-cond-wait.c (__pthread_cond_timedwait_internal): Update prototype. (__pthread_cond_wait): Pass -1 as clockid. * sysdeps/htl/pt-rwlock-timedrdlock.c (__pthread_rwlock_timedrdlock_internal): Add clockid parameter, and support id. (__pthread_rwlock_clockrdlock): New function. (pthread_rwlock_clockrdlock): New alias. * sysdeps/htl/pt-rwlock-rdlock.c (__pthread_rwlock_timedrdlock_internal): Update prototype. (__pthread_rwlock_rdlock): Pass -1 as clockid. * sysdeps/htl/pt-rwlock-timedwrlock.c (__pthread_rwlock_timedwrlock_internal): Add clockid parameter, and support id. (__pthread_rwlock_clockwrlock): New function. (pthread_rwlock_clockwrlock): New alias. * sysdeps/htl/pt-rwlock-wrlock.c (__pthread_rwlock_timedwrlock_internal): Update prototype. (__pthread_rwlock_wrlock): Pass -1 as clockid. * sysdeps/mach/hurd/htl/pt-mutex-timedlock.c (__pthread_mutex_timedlock): Move implementation to (__pthread_mutex_clocklock): New function with additional clockid parameter and support it. (pthread_mutex_clocklock): New alias. (__pthread_mutex_timedlock): Reimplement on top of __pthread_mutex_clocklock. * sysdeps/htl/pthread.h (pthread_tryjoin_np, pthread_timedjoin_np, pthread_clockjoin_np, pthread_mutex_clocklock, pthread_cond_clockwait, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock): New prototypes. * sysdeps/htl/pthreadP.h (__pthread_cond_clockwait): New prototype. * htl/Versions (GLIBC_2.32): Add pthread_cond_clockwait, pthread_mutex_clocklock, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock, pthread_tryjoin_np, pthread_timedjoin_np, pthread_clockjoin_np. * sysdeps/mach/hurd/i386/libpthread.abilist (pthread_clockjoin_np, pthread_cond_clockwait, pthread_mutex_clocklock, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock, pthread_timedjoin_np, pthread_tryjoin_np): New functions. * nptl/tst-abstime.c, nptl/tst-join10.c, nptl/tst-join11.c, nptl/tst-join12.c, nptl/tst-join13.c, nptl/tst-join14.c, nptl/tst-join2.c, nptl/tst-join3.c, nptl/tst-join8.c, nptl/tst-join9.c, nptl/tst-mutex-errorcheck.c, nptl/tst-pthread-mutexattr.c, nptl/tst-mutex11.c, nptl/tst-mutex5.c, nptl/tst-mutex7.c, nptl/tst-mutex7robus.c, nptl/tst-mutex9.c, nptl/tst-rwlock12.c, nptl/tst-rwlock14.c: Move to sysdeps/pthread. * sysdeps/pthread/tst-mutex8.c: Move back to nptl. * nptl/Makefile (tests): Move tst-mutex5, tst-mutex7, tst-mutex7robust, tst-mutex9, tst-mutex11, tst-rwlock12, tst-rwlock14, tst-join2, tst-join3, tst-join8, tst-join9 tst-join10, tst-join11, tst-join12, tst-join13, tst-join14, tst-abstime, tst-mutex-errorcheck, tst-pthread-mutexattr to ... * sysdeps/pthread/Makefile (tests): ... here.
* pthread: Move robust mutex tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-161-0/+2
| | | | | tst-robust8.c prints some mutex internals for nptl debugging, this needed to be made conditioned by getting built with nptl.
* htl: Add missing functions and defines for robust mutexesSamuel Thibault2020-02-161-0/+1
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* htl C11 threads: Avoid pthread_ symbols visibility in static librarySamuel Thibault2020-02-1028-28/+28
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* hurd: Add __pthread_spin_wait and use itSamuel Thibault2020-02-1115-21/+21
| | | | | | | | | 900778283ac3 ("htl: make pthread_spin_lock really spin") made pthread_spin_lock really spin and not block, but the current users of __pthread_spin_lock were assuming that it blocks, i.e. they use it as a lightweight mutex fitting in just one int. __pthread_spin_wait provides that support back.
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