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* Linux: Emulate fchmodat with AT_SYMLINK_NOFOLLOW using O_PATH [BZ #14578]Florian Weimer2020-02-121-10/+47
| | | | | /proc/self/fd files are special and chmod on O_PATH descriptors in that directory operates on the symbolic link itself (like lchmod).
* io: Implement lchmod using fchmodat [BZ #14578]Florian Weimer2020-02-122-0/+2
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* htl C11 threads: Avoid pthread_ symbols visibility in static librarySamuel Thibault2020-02-1035-38/+34
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* hurd: Add __pthread_spin_wait and use itSamuel Thibault2020-02-1117-24/+33
| | | | | | | | | 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.
* ldbl-128ibm-compat: set PRINTF_CHK flag in {,v}sprintf_chkPaul E. Murphy2020-02-102-0/+8
| | | | | | | This should be unconditionally set to match the common implementation, and fixes multiple test failures related to sprintf. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* nptl: update default pthread-offsets.hAndreas Schwab2020-02-101-16/+6
| | | | | Remove unused definitions, and correct __PTHREAD_RWLOCK_FLAGS_OFFSET for __WORDSIZE == 64.
* nptl: add missing pthread-offsets.hAndreas Schwab2020-02-105-0/+25
| | | | | All architectures using their own definition of struct __pthread_rwlock_arch_t need to provide their own pthread-offsets.h.
* pthread: Move some join tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-107-0/+516
| | | | So they can be checked with htl too.
* pthread: Move most barrier tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-106-0/+531
| | | | So they can be checked with htl too.
* htl: Fix barrier_wait with one threadSamuel Thibault2020-02-101-1/+3
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* pthread: Move most sem tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-1014-0/+1205
| | | | So they can be checked with htl too.
* htl: Make sem_wait/sem_timedwait interruptibleSamuel Thibault2020-02-105-9/+37
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* htl: Make sem_open return ENOSYSSamuel Thibault2020-02-101-1/+1
| | | | instead of EOPNOTSUPP, which is for sockets.
* htl: Add support for semaphore maximum valueSamuel Thibault2020-02-102-0/+10
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* pthread: Move key tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-105-0/+497
| | | | So they can be checked with htl too.
* hurd: Make nanosleep a cancellation pointSamuel Thibault2020-02-101-0/+5
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* htl: Add support for libc cancellation pointsSamuel Thibault2020-02-102-2/+19
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* htl: clean __pthread_get_cleanup_stack hidden protoSamuel Thibault2020-02-101-1/+1
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* htl: XFAIL rwlock tests which need pshared supportSamuel Thibault2020-02-091-0/+2
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* pthread: Move some rwlock tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-098-0/+1106
| | | | So they can be checked with htl too.
* pthread: Move most once tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-097-0/+525
| | | | So they can be checked with htl too.
* htl: support cancellation during pthread_onceSamuel Thibault2020-02-091-0/+10
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* pthread: Move most cond tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-0930-0/+3789
| | | | So they can be checked with htl too.
* htl: make pthread_cond_destroy return EBUSY on waitersSamuel Thibault2020-02-091-1/+8
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* htl: Report missing mutex lock on pthread_cond_*waitSamuel Thibault2020-02-092-0/+55
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* pthread: Move some attr tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-092-0/+306
| | | | So they can be checked with htl too.
* htl: Fix default guard sizeSamuel Thibault2020-02-092-1/+5
| | | | | When it is not hardcoded by the architecture with PAGESIZE, we need to use the dynamic values from __vm_page_size.
* pthread: Move most mutex tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-099-1/+1468
| | | | | | So they can be checked with htl too. XFAIL tst-mutex4, for which support is still missing in htl.
* pthread: Move spin tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-095-0/+376
| | | | So they can be checked with htl too.
* htl: make pthread_spin_lock really spinSamuel Thibault2020-02-091-1/+1
| | | | | __spin_lock would actually use gsync_wait to block, which is not what pthread_spin_lock is about.
* htl: Avoid check-installed-headers looking at inlinesSamuel Thibault2020-02-091-2/+4
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* htl: Do not put spin_lock inlines in public headersSamuel Thibault2020-02-092-36/+36
| | | | | | They were not getting used anyway. Also do not make libsupport use them, it would make tests using it have to be made to link against libmachuser for gsync_wait.
* pthread: Move basic tests from nptl to sysdeps/pthreadSamuel Thibault2020-02-098-1/+675
| | | | So they can be checked with htl too.
* htl: Fix calling pthread_exit in the child of a forkSamuel Thibault2020-02-091-0/+9
| | | | | We need to reset the threads counter, otherwise pthread_exit() would not call exit(0).
* x86: Remove <bits/select.h> and use the generic versionFlorian Weimer2020-02-091-63/+0
| | | | | | Particularly on CPUs without ERMS, the string instructions are slow, so it is unclear whether this architecture-specific implementation is in fact an optimization.
* C11 threads: Move implementation to sysdeps/pthreadSamuel Thibault2020-02-0947-64/+1633
| | | | | | | so it gets shared by nptl and htl. Also add htl versions of thrd_current and thrd_yield. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* htl: Add C11 threads types definitionsSamuel Thibault2020-02-091-0/+13
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* nptl: Move nptl-specific types to separate headerSamuel Thibault2020-02-092-8/+15
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* htl: Make __PTHREAD_ONCE_INIT more flexibleSamuel Thibault2020-02-092-2/+2
| | | | | | by moving its (struct __pthread_once) cast into PTHREAD_ONCE_INIT. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* htl: Add support for C11 threads behaviorSamuel Thibault2020-02-091-0/+3
| | | | | | | Essentially properly calling the thread function which returns an int instead of a void*. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* htl: Add missing internal functions declarationsSamuel Thibault2020-02-091-0/+13
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* htl: Rename _pthread_mutex_init/destroy to __pthread_mutex_init/destroySamuel Thibault2020-02-094-8/+9
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* htl: Move internal mutex/rwlock symbols to GLIBC_PRIVATESamuel Thibault2020-02-091-7/+0
| | | | | Their prototypes have never been made public, and they are not used outside libc (checked on the whole Debian archive)
* Linux: Add io/tst-o_path-locks testFlorian Weimer2020-02-092-1/+101
| | | | | | The O_PATH-based fchmodat emulation will rely on the fact that closing an O_PATH descriptor never releases POSIX advisory locks, so this commit adds a test case for this behavior.
* htl: Remove duplicate filesSamuel Thibault2020-02-092-56/+0
| | | | The generic versions have the same content.
* htl: Remove unused filesSamuel Thibault2020-02-0924-1100/+0
| | | | These have never been used.
* Remove a comment claiming that sin/cos round correctly.Wilco Dijkstra2020-02-071-4/+4
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* y2038: linux: Provide __settimeofday64 implementationLukasz Majewski2020-02-071-0/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch provides new __settimeofday64 explicit 64 bit function for setting 64 bit time in the kernel (by internally calling __clock_settime64). Moreover, a 32 bit version - __settimeofday has been refactored to internally use __settimeofday64. The __settimeofday is now supposed to be used on systems still supporting 32 bit time (__TIMESIZE != 64) - hence the necessary conversion of struct timeval to 64 bit struct __timespec64. Internally the settimeofday uses __settimeofday64. This patch is necessary for having architectures with __WORDSIZE == 32 Y2038 safe. Build tests: ./src/scripts/build-many-glibcs.py glibcs Run-time tests: - Run specific tests on ARM/x86 32bit systems (qemu): https://github.com/lmajewski/meta-y2038 and run tests: https://github.com/lmajewski/y2038-tests/commits/master Above tests were performed with Y2038 redirection applied as well as without to test proper usage of both __settimeofday64 and __settimeofday. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* y2038: alpha: Rename valid_timeval64_to_timeval to valid_timeval_to_timeval32Lukasz Majewski2020-02-074-9/+9
| | | | | | | | | | | | | | | | The name 'valid_timeval64_to_timeval' suggest conversion of struct __timeval64 to struct timeval (as in ./include/time.h). As on the alpha the struct timeval supports 64 bit time, it seems more feasible to emphasis struct timeval32 in the conversion function name. Hence the helper function naming change to 'valid_timeval_to_timeval32'. Build tests: ./src/scripts/build-many-glibcs.py glibcs Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* y2038: alpha: Rename valid_timeval_to_timeval64 to valid_timeval32_to_timevalLukasz Majewski2020-02-074-7/+7
| | | | | | | | | | | | | | | | | | Without this patch the naming convention for functions to convert struct timeval32 to struct timeval (which supports 64 bit time on Alpha) was a bit misleading. The name 'valid_timeval_to_timeval64' suggest conversion of struct timeval to struct __timeval64 (as in ./include/time.h). As on alpha the struct timeval supports 64 bit time it seems more readable to emphasis struct timeval32 in the conversion function name. Hence the helper function naming change to 'valid_timeval32_to_timeval'. Build tests: ./src/scripts/build-many-glibcs.py glibcs Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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