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* nptl: Move pthread_equal implementation into libcFlorian Weimer2019-08-1524-24/+0
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* Add SYNC_FILE_RANGE_WRITE_AND_WAIT from Linux 5.2 to bits/fcntl-linux.h.Joseph Myers2019-08-071-0/+5
| | | | | | | | | | | This patch adds the SYNC_FILE_RANGE_WRITE_AND_WAIT constant from Linux 5.2 (a new name for a combination of existing bits, not actually a new kernel interface) to bits/fcntl-linux.h. Tested for x86_64. * sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU] (SYNC_FILE_RANGE_WRITE_AND_WAIT): New macro.
* s390: Fix Enable VDSO for static linkingStefan Liebler2019-08-061-0/+2
| | | | | | | | | | | | | The commit 5e855c8954014bca7b0d6f07312ec09553695ffd "s390: Enable VDSO for static linking" removed the definition of VDSO_SETUP which leads to not setup the vdso symbols. Instead it jumps to false addresses. This patch just re adds the removed VDSO_SETUP macro definition. ChangeLog: * sysdeps/unix/sysv/linux/s390/init-first.c (VDSO_SETUP): New define.
* Add CLONE_PIDFD from Linux 5.2 to bits/sched.h.Joseph Myers2019-08-051-0/+2
| | | | | | | | | | This patch adds the CLONE_PIDFD constant from Linux 5.2 to glibc's bits/sched.h. Tested for x86_64. * sysdeps/unix/sysv/linux/bits/sched.h [__USE_GNU] (CLONE_PIDFD): New macro.
* linux: Enable vDSO for static linking as default (BZ#19767)Adhemerval Zanella2019-08-0516-52/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch assumes static vDSO is supported as default, it is now supported on all current architectures that support vDSO. It allows removing both ALWAYS_USE_VSYSCALL define, which an architecture requires to explicit define and USE_VSYSCALL (which defines vDSO only for shared or if architecture defines ALWAYS_USE_VSYSCALL). Checked with a build against all affected ABIs. [BZ #19767] * sysdeps/unix/sysv/linux/aarch64/sysdep.h (ALWAYS_USE_VSYSCALL): Remove definition. * sysdeps/unix/sysv/linux/arm/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/i386/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/sparc/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/x86_64/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise. * sysdeps/unix/sysv/linux/x86/libc-vdso.h: Remove #if USE_VSYSCALL. * sysdeps/unix/sysv/linux/sysdep-vdso.h: Likewise. * sysdeps/unix/sysv/linux/sysdep.h (ALWAYS_USE_VSYSCALL, USE_VSYSCALL): Remove defitions.
* sparc: Enable VDSO for static linkingAdhemerval Zanella2019-08-053-10/+7
| | | | | | | | | | Checked on sparc64-linux-gnu and sparcv9-linux-gnu. [BZ #19767] * sysdeps/unix/sysv/linux/sparc/init-first.c: Remove #ifdef SHARED. * sysdeps/unix/sysv/linux/sparc/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sysdep.h (ALWAYS_USE_VSYSCALL): Define.
* s390: Enable VDSO for static linkingAdhemerval Zanella2019-08-054-9/+8
| | | | | | | | | | | | | | | | | | | Although s390 only enables vDSO for dynamically linked elf binaries (arch/s390/kernel/vdso.c:217), there is no indication in the code or associated commit message for why not enable it for statically linked binaries as well. To double check, I rebuilt a kernel with the check removed and the vDSO does work for static build for supplied symbols. Checked on s390x-linux-gnu and s390-linux-gnu. [BZ #19767] * sysdeps/unix/sysv/linux/s390/init-first.c: Remove #ifdef SHARED. * sysdeps/unix/sysv/linux/s390/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (ALWAYS_USE_VSYSCALL): Define. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (ALWAYS_USE_VSYSCALL): Likewise.
* riscv: Enable VDSO for static linkingAdhemerval Zanella2019-08-053-10/+7
| | | | | | | | | | | Checked on riscv64-linux-gnu-rv64imafdc-lp64d qemu system with some static tests. [BZ #19767] * sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED. * sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise. * sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL): Define.
* Update kernel version in comment in syscall-names.list.Joseph Myers2019-08-021-1/+1
| | | | | | | This patch updates the Linux kernel version in a comment in syscall-names.list to agree with the following "kernel" line. * sysdeps/unix/sysv/linux/syscall-names.list: Update comment.
* Update Linux kernel version number in tst-mman-consts.py to 5.2.Joseph Myers2019-08-021-1/+1
| | | | | | | | | | | | | | The tst-mman-consts.py test includes a kernel version number, to avoid failures because of newly added constants in the kernel (if kernel headers are newer than this version of glibc) or missing constants in the kernel (if kernel headers are older than this version of glibc). This patch updates it to 5.2 to reflect that the MAP_* constants in glibc are still current as of that kernel version. Tested with build-many-glibcs.py. * sysdeps/unix/sysv/linux/tst-mman-consts.py (main): Update Linux kernel version number to 5.2.
* Restore r31 setting in powerpc32 swapcontext.Joseph Myers2019-07-301-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit ffe8a9a8318e1db225b22da8bc067408494bac5c, "powerpc: Remove rt_sigreturn usage on context function", removed from powerpc32 swapcontext a setting of r31 that is relied upon in subsequent code. I'm not sure why this didn't produce test failures in Adhemerval's 32-bit testing; in my (soft-float) testing in preparation for 2.30 release, I see several context-related failures FAIL: stdlib/tst-makecontext2 FAIL: stdlib/tst-makecontext3 FAIL: stdlib/tst-setcontext FAIL: stdlib/tst-setcontext2 FAIL: stdlib/tst-setcontext4 FAIL: stdlib/tst-setcontext7 FAIL: stdlib/tst-setcontext9 FAIL: stdlib/tst-swapcontext1 that did not appear in 2.29 testing. This patch restores the removed register setting in question, and thus fixes those failures. Tested for powerpc (soft-float). * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S (__CONTEXT_FUNC_NAME): Restore setting of r31.
* Linux: Move getdents64 to <dirent.h>Florian Weimer2019-07-292-6/+33
| | | | | | This matches the location of the declaration in musl. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Linux: Use in-tree copy of SO_ constants for !__USE_MISC [BZ #24532]Florian Weimer2019-07-249-94/+311
| | | | | | | | | | | | | | | | | | | | The kernel changes for a 64-bit time_t on 32-bit architectures resulted in <asm/socket.h> indirectly including <linux/posix_types.h>. The latter is not namespace-clean for the POSIX version of <sys/socket.h>. This issue has persisted across several Linux releases, so this commit creates our own copy of the SO_* definitions for !__USE_MISC mode. The new test socket/tst-socket-consts ensures that the copy is consistent with the kernel definitions (which vary across architectures). The test is tricky to get right because CPPFLAGS includes include/libc-symbols.h, which in turn defines _GNU_SOURCE unconditionally. Tested with build-many-glibcs.py. I verified that a discrepancy in the definitions actually results in a failure of the socket/tst-socket-consts test.
* Linux: Update syscall-names.list to Linux 5.2Florian Weimer2019-07-191-1/+7
| | | | | | | This adds the system call names fsconfig, fsmount, fsopen, fspick, move_mount, open_tree. Tested with build-many-glibcs.py.
* nptl: Add POSIX-proposed _clock functions to hppa pthread.hAdhemerval Zanella2019-07-181-0/+36
| | | | | | | | | | | | | | The pthread _clock functions that were recently added to nptl need to be declared in hppa's pthread.h too. After this change, the function declaration part of sysdeps/nptl/pthread.h and sysdeps/unix/sysv/linux/hppa/pthread.h are identical. * sysdeps/unix/sysv/linux/hppa/pthread.h: Add declarations of functions recently added to sysdeps/nptl/pthread.h: pthread_mutex_clocklock, pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock and pthread_cond_clockwait. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Remove futex_supports_exact_relative_timeoutsMike Crowe2019-07-121-8/+0
| | | | | | | | | | | | | | | | | | The only implementation of futex_supports_exact_relative_timeouts always returns true. Let's remove it and all its callers. * nptl/pthread_cond_wait.c: (__pthread_cond_clockwait): Remove code that is only useful if futex_supports_exact_relative_timeouts () returns false. * nptl/pthread_condattr_setclock.c: (pthread_condattr_setclock): Likewise. * sysdeps/nptl/futex-internal.h: Remove comment about relative timeouts potentially being imprecise since it's no longer true. Remove declaration of futex_supports_exact_relative_timeouts. * sysdeps/unix/sysv/linux/futex-internal.h: Remove implementation of futex_supports_exact_relative_timeouts. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add POSIX-proposed pthread_mutex_clocklockMike Crowe2019-07-1224-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add POSIX-proposed pthread_mutex_clocklock function that works like pthread_mutex_timedlock but takes a clockid parameter to measure the abstime parameter against. * sysdeps/nptl/pthread.h: Add pthread_mutex_clocklock. * nptl/DESIGN-systemtap-probes.txt: Likewise. * nptl/pthread_mutex_timedlock.c (__pthread_mutex_clocklock_common): Rename from __pthread_mutex_timedlock and add clockid parameter. Pass this parameter to lll_clocklock and lll_clocklock_elision in place of CLOCK_REALTIME. (__pthread_mutex_clocklock): New function to add LIBC_PROBE and validate clockid parameter before calling __pthread_mutex_clocklock_common. (__pthread_mutex_timedlock): New implementation to add LIBC_PROBE and calls __pthread_mutex_clocklock_common passing CLOCK_REALTIME as the clockid. * nptl/Makefile: Add tst-mutex11.c. * nptl/tst-abstime.c (th): Add tests for pthread_mutex_clocklock. * nptl/tst-mutex11.c: New tests for passing invalid and unsupported clockid parameters to pthread_mutex_clocklock. * nptl/tst-mutex5.c (do_test_clock): Rename from do_test and take clockid parameter to indicate which clock to be used. Call pthread_mutex_timedlock or pthread_mutex_clocklock as appropriate. (do_test): Call do_test_clock to separately test pthread_mutex_timedlock, pthread_mutex_clocklock(CLOCK_REALTIME) and pthread_mutex_clocklock(CLOCK_MONOTONIC). * nptl/tst-mutex9.c: Likewise. * nptl/Versions (GLIBC_2.30): Add pthread_mutex_clocklock. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist (GLIBC_2.30): Likewise. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Rename lll_timedlock to lll_clocklock and add clockid parameterMike Crowe2019-07-127-27/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename lll_timedlock to lll_clocklock and add clockid parameter to indicate the clock that the abstime parameter should be measured against in preparation for adding pthread_mutex_clocklock. The name change mirrors the naming for the exposed pthread functions: timed => absolute timeout measured against CLOCK_REALTIME (or clock specified by attribute in the case of pthread_cond_timedwait.) clock => absolute timeout measured against clock specified in preceding parameter. * sysdeps/nptl/lowlevellock.h (lll_clocklock): Rename from lll_timedlock and add clockid parameter. (__lll_clocklock): Rename from __lll_timedlock and add clockid parameter. * sysdeps/unix/sysv/linux/sparc/lowlevellock.h (lll_clocklock): Likewise. * nptl/lll_timedlock_wait.c (__lll_clocklock_wait): Rename from __lll_timedlock_wait and add clockid parameter. Use __clock_gettime rather than __gettimeofday so that clockid can be used. This means that conversion from struct timeval is no longer required. * sysdeps/sparc/sparc32/lowlevellock.c (lll_clocklock_wait): Likewise. * sysdeps/sparc/sparc32/lll_timedlock_wait.c: Update comment to refer to __lll_clocklock_wait rather than __lll_timedlock_wait. * nptl/pthread_mutex_timedlock.c (lll_clocklock_elision): Rename from lll_timedlock_elision, add clockid parameter and use meaningful names for other parameters. (__pthread_mutex_timedlock): Pass CLOCK_REALTIME where necessary to lll_clocklock and lll_clocklock_elision. * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h (lll_clocklock_elision): Rename from lll_timedlock_elision and add clockid parameter. (__lll_clocklock_elision): Rename from __lll_timedlock_elision and add clockid parameter. * sysdeps/unix/sysv/linux/s390/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/x86/lowlevellock.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/elision-timed.c (__lll_lock_elision): Call __lll_clocklock_elision rather than __lll_timedlock_elision. (EXTRAARG): Add clockid parameter. (LLL_LOCK): Likewise. * sysdeps/unix/sysv/linux/s390/elision-timed.c: Likewise. * sysdeps/unix/sysv/linux/x86/elision-timed.c: Likewise. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add POSIX-proposed pthread_rwlock_clockrdlock & pthread_rwlock_clockwrlockMike Crowe2019-07-1224-0/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add: int pthread_rwlock_clockrdlock (pthread_rwlock_t *rwlock, clockid_t clockid, const struct timespec *abstime) and: int pthread_rwlock_clockwrlock (pthread_rwlock_t *rwlock, clockid_t clockid, const struct timespec *abstime) which behave like pthread_rwlock_timedrdlock and pthread_rwlock_timedwrlock respectively, except they always measure abstime against the supplied clockid. The functions currently support CLOCK_REALTIME and CLOCK_MONOTONIC and return EINVAL if any other clock is specified. * sysdeps/nptl/pthread.h: Add pthread_rwlock_clockrdlock and pthread_wrlock_clockwrlock. * nptl/Makefile: Build pthread_rwlock_clockrdlock.c and pthread_rwlock_clockwrlock.c. * nptl/pthread_rwlock_clockrdlock.c: Implement pthread_rwlock_clockrdlock. * nptl/pthread_rwlock_clockwrlock.c: Implement pthread_rwlock_clockwrlock. * nptl/pthread_rwlock_common.c (__pthread_rwlock_rdlock_full): Add clockid parameter and verify that it indicates a supported clock on entry so that we fail even if it doesn't end up being used. Pass that clock on to futex_abstimed_wait when necessary. (__pthread_rwlock_wrlock_full): Likewise. * nptl/pthread_rwlock_rdlock.c: (__pthread_rwlock_rdlock): Pass CLOCK_REALTIME to __pthread_rwlock_rdlock_full even though it won't be used because there's no timeout. * nptl/pthread_rwlock_wrlock.c (__pthread_rwlock_wrlock): Pass CLOCK_REALTIME to __pthread_rwlock_wrlock_full even though it won't be used because there is no timeout. * nptl/pthread_rwlock_timedrdlock.c (pthread_rwlock_timedrdlock): Pass CLOCK_REALTIME to __pthread_rwlock_rdlock_full since abstime uses that clock. * nptl/pthread_rwlock_timedwrlock.c (pthread_rwlock_timedwrlock): Pass CLOCK_REALTIME to __pthread_rwlock_wrlock_full since abstime uses that clock. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist (GLIBC_2.30): Likewise. * nptl/tst-abstime.c (th): Add pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock timeout tests to match the existing pthread_rwlock_timedrdloock and pthread_rwlock_timedwrlock tests. * nptl/tst-rwlock14.c (do_test): Likewise. * nptl/tst-rwlock6.c Invent verbose_printf macro, and use for ancillary output throughout. (tf): Accept thread_args structure so that rwlock, a clockid and function name can be passed to the thread. (do_test_clock): Rename from do_test. Accept clockid parameter to specify test clock. Use the magic clockid value of CLOCK_USE_TIMEDLOCK to indicate that pthread_rwlock_timedrdlock and pthread_rwlock_timedwrlock should be tested, otherwise pass the specified clockid to pthread_rwlock_clockrdlock and pthread_rwlock_clockwrlock. Use xpthread_create and xpthread_join. (do_test): Call do_test_clock to test each clockid in turn. * nptl/tst-rwlock7.c: Likewise. * nptl/tst-rwlock9.c (writer_thread, reader_thread): Accept thread_args structure so that the (now int) thread number, the clockid and the function name can be passed to the thread. (do_test_clock): Renamed from do_test. Pass the necessary thread_args when creating the reader and writer threads. Use xpthread_create and xpthread_join. (do_test): Call do_test_clock to test each clockid in turn. * manual/threads.texi: Add documentation for pthread_rwlock_clockrdlock and pthread_rwlock_clockwrclock. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add POSIX-proposed pthread_cond_clockwaitMike Crowe2019-07-1224-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add: int pthread_cond_clockwait (pthread_cond_t *cond, pthread_mutex_t *mutex, clockid_t clockid, const struct timespec *abstime) which behaves just like pthread_cond_timedwait except it always measures abstime against the supplied clockid. Currently supports CLOCK_REALTIME and CLOCK_MONOTONIC and returns EINVAL if any other clock is specified. Includes feedback from many others. This function was originally proposed[1] as pthread_cond_timedwaitonclock_np, but The Austin Group preferred the new name. * nptl/Makefile: Add tst-cond26 and tst-cond27 * nptl/Versions (GLIBC_2.30): Add pthread_cond_clockwait * sysdeps/nptl/pthread.h: Likewise * nptl/forward.c: Add __pthread_cond_clockwait * nptl/forward.c: Likewise * nptl/pthreadP.h: Likewise * sysdeps/nptl/pthread-functions.h: Likewise * nptl/pthread_cond_wait.c (__pthread_cond_wait_common): Add clockid parameter and comment describing why we don't need to check its value. Use that value when calling futex_abstimed_wait_cancelable rather than reading the clock from the flags. (__pthread_cond_wait): Pass unused clockid parameter. (__pthread_cond_timedwait): Read clock from flags and pass it to __pthread_cond_wait_common. (__pthread_cond_clockwait): Add new function with weak alias from pthread_cond_clockwait. * sysdeps/mach/hurd/i386/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist * (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30): * Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist (GLIBC_2.30): Likewise. * nptl/tst-cond11.c (run_test): Support testing pthread_cond_clockwait too by using a special magic CLOCK_USE_ATTR_CLOCK value to determine whether to call pthread_cond_timedwait or pthread_cond_clockwait. (do_test): Pass CLOCK_USE_ATTR_CLOCK for existing tests, and add new tests using all combinations of CLOCK_MONOTONIC and CLOCK_REALTIME. * ntpl/tst-cond26.c: New test for passing unsupported and * invalid clocks to pthread_cond_clockwait. * nptl/tst-cond27.c: Add test similar to tst-cond5.c, but using struct timespec and pthread_cond_clockwait. * manual/threads.texi: Document pthread_cond_clockwait. The * comment was provided by Carlos O'Donell. [1] https://sourceware.org/ml/libc-alpha/2015-07/msg00193.html Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add POSIX-proposed sem_clockwaitMike Crowe2019-07-1224-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add: int sem_clockwait (sem_t *sem, clockid_t clock, const struct timespec *abstime) which behaves just like sem_timedwait, but measures abstime against the specified clock. Currently supports CLOCK_REALTIME and CLOCK_MONOTONIC and sets errno == EINVAL if any other clock is specified. * nptl/sem_waitcommon.c (do_futex_wait, __new_sem_wait_slow): Add clockid parameters to indicate the clock which abstime should be measured against. * nptl/sem_timedwait.c (sem_timedwait), nptl/sem_wait.c (__new_sem_wait): Pass CLOCK_REALTIME as clockid to __new_sem_wait_slow. * nptl/sem_clockwait.c: New file to implement sem_clockwait based on sem_timedwait.c. * nptl/Makefile: Add sem_clockwait.c source file. Add CFLAGS for sem_clockwait.c to match those used for sem_timedwait.c. * sysdeps/pthread/semaphore.h: Add sem_clockwait. * nptl/Versions (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/csky/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist (GLIBC_2.30): Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist (GLIBC_2.30): Likewise. * nptl/tst-sem17.c: Add new test for passing invalid clock to sem_clockwait. * nptl/tst-sem13.c, nptl/tst-sem5.c: Modify existing sem_timedwait tests to also test sem_clockwait. * manual/threads.texi: Document sem_clockwait. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Add clockid parameter to futex timed wait callsMike Crowe2019-07-122-12/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In preparation for adding POSIX clockwait variants of timedwait functions, add a clockid_t parameter to futex_abstimed_wait functions and pass CLOCK_REALTIME from all callers for the time being. Replace lll_futex_timed_wait_bitset with lll_futex_clock_wait_bitset which takes a clockid_t parameter rather than the magic clockbit. * sysdeps/nptl/lowlevellock-futex.h, sysdeps/unix/sysv/linux/lowlevellock-futex.h: Replace lll_futex_timed_wait_bitset with lll_futex_clock_wait_bitset that takes a clockid rather than a special clockbit. * sysdeps/nptl/lowlevellock-futex.h: Add lll_futex_supported_clockid so that client functions can check whether their clockid parameter is valid even if they don't ultimately end up calling lll_futex_clock_wait_bitset. * sysdeps/nptl/futex-internal.h, sysdeps/unix/sysv/linux/futex-internal.h (futex_abstimed_wait, futex_abstimed_wait_cancelable): Add clockid_t parameter to indicate which clock the absolute time passed should be measured against. Pass that clockid onto lll_futex_clock_wait_bitset. Add invalid clock as reason for returning -EINVAL. * sysdeps/nptl/futex-internal.h, sysdeps/unix/sysv/linux/futex-internal.h: Introduce futex_abstimed_supported_clockid so that client functions can check whether their clockid parameter is valid even if they don't ultimately end up calling futex_abstimed_wait. * nptl/pthread_cond_wait.c (__pthread_cond_wait_common): Remove code to calculate relative timeout for __PTHREAD_COND_CLOCK_MONOTONIC_MASK and just pass CLOCK_MONOTONIC or CLOCK_REALTIME as required to futex_abstimed_wait_cancelable. * nptl/pthread_rwlock_common (__pthread_rwlock_rdlock_full) (__pthread_wrlock_full), nptl/sem_waitcommon (do_futex_wait): Pass additional CLOCK_REALTIME to futex_abstimed_wait_cancelable. * nptl/pthread_mutex_timedlock.c (__pthread_mutex_timedlock): Switch to lll_futex_clock_wait_bitset and pass CLOCK_REALTIME Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* posix: Fix large mmap64 offset for mips64n32 (BZ#24699)Adhemerval Zanella2019-07-102-1/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | The fix for BZ#21270 (commit 158d5fa0e19) added a mask to avoid offset larger than 1^44 to be used along __NR_mmap2. However mips64n32 users __NR_mmap, as mips64n64, but still defines off_t as old non-LFS type (other ILP32, such x32, defines off_t being equal to off64_t). This leads to use the same mask meant only for __NR_mmap2 call for __NR_mmap, thus limiting the maximum offset it can use with mmap64. This patch fixes by setting the high mask only for __NR_mmap2 usage. The posix/tst-mmap-offset.c already tests it and also fails for mips64n32. The patch also change the test to check for an arch-specific header that defines the maximum supported offset. Checked on x86_64-linux-gnu, i686-linux-gnu, and I also tests tst-mmap-offset on qemu simulated mips64 with kernel 3.2.0 kernel for both mips-linux-gnu and mips64-n32-linux-gnu. [BZ #24699] * posix/tst-mmap-offset.c: Mention BZ #24699. (do_test_bz21270): Rename to do_test_large_offset and use mmap64_maximum_offset to check for maximum expected offset value. * sysdeps/generic/mmap_info.h: New file. * sysdeps/unix/sysv/linux/mips/mmap_info.h: Likewise. * sysdeps/unix/sysv/linux/mmap64.c (MMAP_OFF_HIGH_MASK): Define iff __NR_mmap2 is used.
* dl-vdso: Add LINUX_4 HASH CODE to support nds32 vdso mechanismVincent Chen2019-07-081-0/+2
| | | | | | | * sysdeps/unix/sysv/linux/dl-vdso.h: Add LINUX_4 HASH code to support nds32 vdso mechanism. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* nptl: Remove vfork IFUNC-based forwarder from libpthread [BZ #20188]Florian Weimer2019-07-0235-327/+6
| | | | | | | | | | | | | | | | | | | | | With commit f0b2132b35248c1f4a80f62a2c38cddcc802aa8c ("ld.so: Support moving versioned symbols between sonames [BZ #24741]"), the dynamic linker will find the definition of vfork in libc and binds a vfork reference to that symbol, even if the soname in the version reference says that the symbol should be located in libpthread. As a result, the forwarder (whether it's IFUNC-based or a duplicate of the libc implementation) is no longer necessary. On older architectures, a placeholder symbol is required, to make sure that the GLIBC_2.1.2 symbol version does not go away, or is turned in to a weak symbol definition by the link editor. (The symbol version needs to preserved so that the symbol coverage check in elf/dl-version.c does not fail for old binaries.) mips32 is an outlier: It defined __vfork@@GLIBC_2.2, but the baseline is GLIBC_2.0. Since there are other @@GLIBC_2.2 symbols, the placeholder symbol is not needed there.
* Linux: Use mmap instead of malloc in dirent/tst-getdents64Florian Weimer2019-06-281-3/+9
| | | | | malloc dirties the entire allocated memory region due to M_PERTURB in the test harness.
* Replace PREPARE_VERSION macro with inline functionTobias Klauser2019-06-281-9/+9
| | | | | | | | | * sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION): Remove macro. (prepare_version_base): New helper inline function. (prepare_version): New macro replacing PREPARE_VERSION. (PREPARE_VERSION_KNOWN): Use prepare_version instead of PREPARE_VERSION. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* io: Remove copy_file_range emulation [BZ #24744]Florian Weimer2019-06-286-28/+5
| | | | | | | | | | The kernel is evolving this interface (e.g., removal of the restriction on cross-device copies), and keeping up with that is difficult. Applications which need the function should run kernels which support the system call instead of relying on the imperfect glibc emulation. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Linux: Adjust gedents64 buffer size to int range [BZ #24740]Florian Weimer2019-06-273-0/+55
| | | | | | | | | The kernel interface uses type unsigned int, but there is an internal conversion to int, so INT_MAX is the correct limit. Part of the buffer will always be unused, but this is not a problem. Such huge buffers do not occur in practice anyway. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Linux: Add nds32 specific syscalls to syscall-names.listVincent Chen2019-06-261-0/+2
| | | | | | The nds32 creates two specific syscalls, udftrap and fp_udfiex_crtl, in kernel v5.0 and v5.2, respectively. Add these two syscalls to syscall-names.list.
* Add missing VDSO_{NAME,HASH}_* macros and use them for PREPARE_VERSION_KNOWNTobias Klauser2019-06-218-11/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | Define all currently used Linux versions used for PREPARE_VERSION{,_KNOWN} in sysdeps/unix/sysv/linux/dl-vdso.h and use them instead of duplicating the versions and precomputed hashes across architecture specific files. * sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (INIT_ARCH): Use PREPARE_VERSION_KNOWN. * sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise. * sysdeps/unix/sysv/linux/dl-vdso.h (VDSO_NAME_LINUX_2_6_39): New define. (VDSO_HASH_LINUX_2_6_39): Likewise. (VDSO_NAME_LINUX_4_9): Likewise. (VDSO_HASH_LINUX_4_9): Likewise. * sysdeps/unix/sysv/linux/powerpc/gettimeofday.c (INIT_ARCH): Likewise. * sysdeps/unix/sysv/linux/powerpc/init-first.c (_libc_vdso_platform_setup): Likewise. * sysdeps/unix/sysv/linux/powerpc/time.c (INIT_ARCH): Likewise. * sysdeps/unix/sysv/linux/s390/init-first.c (_libc_vdso_platform_setup): Likewise. * sysdeps/unix/sysv/linux/x86_64/init-first.c (__vdso_platform_setup): Likewise. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* powerpc: Fix static-linked version of __ppc_get_timebase_freq [BZ #24640]Stan Shebs2019-06-193-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __ppc_get_timebase_freq() always return 0 when using static linked glibc. This is a minimal example.c to reproduce: /******************************/ #include <inttypes.h> #include <stdint.h> #include <stdio.h> #include <sys/platform/ppc.h> int main() { uint64_t freq = __ppc_get_timebase_freq(); printf("Time Base frequency = %"PRIu64" Hz\n", freq); if (freq == 0) return -1; return 0; } /******************************/ Compile command: gcc -static example.c This bug has been reproduced, fixed and tested on all powerpc platforms (ppc32, ppc64 and ppc64le). The underlying code of __ppc_get_timebase_freq uses __get_timebase_freq that has a different implementation for shared and static version of glibc. In the static version, there is an incorrect sense in the if check for the fd returned when opening /proc/cpuinfo. This solution is mostly a cherry-pick from: commit 4791e4f773d060c1a37b27aac5b03cdfa9327afc Author: Stan Shebs <stanshebs@google.com> Date: Fri May 17 12:25:19 2019 -0700 Subject: Fix sense of a test in the static-linking version of ppc get_clockfreq That is in branch glibc/google/grte/v5-2.27/master and was mentioned for inclusion on master here: https://www.sourceware.org/ml/libc-alpha/2019-05/msg00409.html Adapted from original fix for get_clockfreq. That code was moved to get_timebase_freq. Also added a static-build testcase for __ppc_get_timebase_freq since the underlying function has different implementations for shared and static build. [BZ #24640] * sysdeps/unix/sysv/linux/powerpc/get_timebase_freq.c [!SHARED] (__get_timebase_freq): Fix sense of a test in the static-linking version. * sysdeps/unix/sysv/linux/powerpc/Makefile (tests-static): Add test-gettimebasefreq-static. (tests): Likewise. * sysdeps/unix/sysv/linux/powerpc/test-gettimebasefreq-static.c: New file.
* m68k: Remove vDSO supportAdhemerval Zanella2019-06-179-321/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Although defined in initial TLS/NPTL ABI for m68k and ColdFire [1], kernel support was never pushed upstream. This patch removes the unused m68k vDSO support. Checked with a build against m68k and m68k-coldfire and some basic tests on ARAnyM. * sysdeps/unix/sysv/linux/m68k/Makefile (sysdep_routines, sysdep-rtld-routines): Remove rules. * sysdeps/unix/sysv/linux/m68k/Versions (libc) [GLIBC_PRIVATE]: Remove __vdso_atomic_cmpxchg_32 and __vdso_atomic_barrier. (ld) [GLIBC_PRIVATE]: __rtld___vdso_read_tp, __rtld___vdso_atomic_cmpxchg_32, and __rtld___vdso_atomic_barrier. * sysdeps/unix/sysv/linux/m68k/coldfire/atomic-machine.h (atomic_compare_and_exchange_val_acq, atomic_full_barrier): Remove vDSO path for SHARED. * sysdeps/unix/sysv/linux/m68k/init-first.c: Remove file. * sysdeps/unix/sysv/linux/m68k/libc-m68k-vdso.c: Likewise. * sysdeps/unix/sysv/linux/m68k/m68k-helpers.S: Likewise. * sysdeps/unix/sysv/linux/m68k/m68k-vdso.c: Likewise. * sysdeps/unix/sysv/linux/m68k/m68k-vdso.h: Likewise. * sysdeps/unix/sysv/linux/m68k/m68k-helpers.c: New file. [1] https://lists.debian.org/debian-68k/2007/11/msg00071.html
* Linux: Fix __glibc_has_include use for <sys/stat.h> and statxFlorian Weimer2019-06-141-2/+5
| | | | | | | | | | | | | | | The identifier linux is used as a predefined macro, so the actually used path is 1/stat.h or 1/stat64.h. Using the quote-based version triggers a file lookup for /usr/include/bits/linux/stat.h (or whatever directory is used to store bits/statx.h), but since bits/ is pretty much reserved by glibc, this appears to be acceptable. This is related to GCC PR 80005: incorrect macro expansion of the argument of __has_include. Suggested by Zack Weinberg. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Add IPV6_ROUTER_ALERT_ISOLATE from Linux 5.1 to bits/in.h.Joseph Myers2019-06-131-0/+1
| | | | | | | | | | This patch adds the new constant IPV6_ROUTER_ALERT_ISOLATE from Linux 5.1 to sysdeps/unix/sysv/linux/bits/in.h. Tested for x86_64. * sysdeps/unix/sysv/linux/bits/in.h (IPV6_ROUTER_ALERT_ISOLATE): New macro.
* Allow memset local PLT reference for powerpc soft-float.Joseph Myers2019-06-131-0/+1
| | | | | | | | | | | | | | | | | | | | Some recent change on GCC mainline resulted in the localplt test failing for powerpc soft-float (not sure exactly when, as the failure appeared when there were other build test failures as well; <https://sourceware.org/ml/libc-testresults/2019-q2/msg00261.html> shows it remaining when other failures went away). The problem is a call to memset that GCC now generates in the libgcc long double code. Since memset is documented as a function GCC may always implicitly generate calls to, it seems reasonable to allow that local PLT reference (just like those for libgcc functions that GCC implicitly generates calls to and that are also exported from libc.so), which this patch does. Tested for powerpc soft-float with build-many-glibcs.py. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/localplt.data: Allow memset in libc.so.
* Linux: Deprecate <sys/sysctl.h> and sysctlFlorian Weimer2019-06-122-4/+5
| | | | | | | | | | Now that there are no internal users of __sysctl left, it is possible to add an unconditional deprecation warning to <sys/sysctl.h>. To avoid a test failure due this warning in check-install-headers, skip the test for sys/sysctl.h. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* <sys/stat.h>: Use Linux UAPI header for statx if available and usefulFlorian Weimer2019-06-121-0/+34
| | | | | This will automatically import new STATX_* constants. It also avoids a conflict between <sys/stat.h> and <linux/stat.h>.
* Linux: Add getdents64 system callFlorian Weimer2019-06-0734-5/+161
| | | | | | | | | | | No 32-bit system call wrapper is added because the interface is problematic because it cannot deal with 64-bit inode numbers and 64-bit directory hashes. A future commit will deprecate the undocumented getdirentries and getdirentries64 functions. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* riscv: Do not use __has_include__Florian Weimer2019-06-061-1/+1
| | | | The user-visible preprocessor construct is called __has_include.
* arm: Remove ioperm/iopl/inb/inw/inl/outb/outw/outl supportFlorian Weimer2019-06-013-176/+33
| | | | | | | | Linux only supports the required ISA sysctls on StrongARM devices, which are armv4 and no longer tested during glibc development and probably bit-rotted by this point. (No reported test results, and the last discussion of armv4 support was in the glibc 2.19 release notes.)
* Linux: Add oddly-named arm syscalls to syscall-names.listFlorian Weimer2019-06-011-0/+5
| | | | | | | | | | | | | | | | | <asm/unistd.h> on arm defines the following macros: #define __ARM_NR_breakpoint (__ARM_NR_BASE+1) #define __ARM_NR_cacheflush (__ARM_NR_BASE+2) #define __ARM_NR_usr26 (__ARM_NR_BASE+3) #define __ARM_NR_usr32 (__ARM_NR_BASE+4) #define __ARM_NR_set_tls (__ARM_NR_BASE+5) #define __ARM_NR_get_tls (__ARM_NR_BASE+6) These do not follow the regular __NR_* naming convention and have so far been ignored by the syscall-names.list consistency checks. This commit adds these names to the file, preparing for the availability of these names in the regular __NR_* namespace.
* Remove unused get_clockfreq filesAdhemerval Zanella2019-05-292-2/+0
| | | | | | | | | | | The patch 6e8ba7fd574f meant to remove the all get_clockfreq.c. This patch removes the missing files for sparcv9 and x86_64. Checked against a build to x86_64-linux-gnu and sparcv9-linux-gnu. * sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/get_clockfreq.c: Remove file. * sysdeps/unix/sysv/linux/x86_64/get_clockfreq.c: Likewise.
* Add F_SEAL_FUTURE_WRITE from Linux 5.1 to bits/fcntl-linux.h.Joseph Myers2019-05-231-0/+2
| | | | | | | | | | This patch adds the new F_SEAL_FUTURE_WRITE constant from Linux 5.1 to bits/fcntl-linux.h. Tested for x86_64. * sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU] (F_SEAL_FUTURE_WRITE): New macro.
* Remove support for PowerPC SPE extension (powerpc*-*-*gnuspe*).Zack Weinberg2019-05-2211-176/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GCC 9 dropped support for the SPE extensions to PowerPC, which means powerpc*-*-*gnuspe* configurations are no longer buildable with that compiler. This ISA extension was peculiar to the “e500” line of embedded PowerPC chips, which, as far as I can tell, are no longer being manufactured, so I think we should follow suit. This patch was developed by grepping for “e500”, “__SPE__”, and “__NO_FPRS__”, and may not eliminate every vestige of SPE support. Most uses of __NO_FPRS__ are left alone, as they are relevant to normal embedded PowerPC with soft-float. * sysdeps/powerpc/preconfigure: Error out on powerpc-*-*gnuspe* host type. * scripts/build-many-glibcs.py: Remove powerpc-*-linux-gnuspe and powerpc-*-linux-gnuspe-e500v1 from list of build configurations. * sysdeps/powerpc/powerpc32/e500: Recursively delete. * sysdeps/unix/sysv/linux/powerpc/powerpc32/e500: Recursively delete. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/context-e500.h: Delete. * sysdeps/powerpc/fpu_control.h: Remove SPE variant. Issue an #error if used with a compiler in SPE-float mode. * sysdeps/powerpc/powerpc32/__longjmp_common.S * sysdeps/powerpc/powerpc32/setjmp_common.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/getcontext.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/setcontext.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/swapcontext.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S: Remove code to preserve SPE register state. * sysdeps/unix/sysv/linux/powerpc/elision-lock.c * sysdeps/unix/sysv/linux/powerpc/elision-trylock.c * sysdeps/unix/sysv/linux/powerpc/elision-unlock.c Remove __SPE__ ifndefs.
* sysvipc: Add missing bit of semtimedop s390 consolidationAdhemerval Zanella2019-05-212-0/+6
| | | | | | | | | | | | This patch add the missing SEMTIMEDOP_IPC_ARGS definions on powerpc and sparc ipc_priv.h. Checked on powerpc64le-linux-gnu and with a build for sparc64-linux-gnu. * sysdeps/unix/sysv/linux/powerpc/ipc_priv.h (SEMTIMEDOP_IPC_ARGS): New define. * sysdeps/unix/sysv/linux/sparc/sparc64/ipc_priv.h (SEMTIMEDOP_IPC_ARGS): Likewise.
* sysvipc: Consolidate semtimedop s390Adhemerval Zanella2019-05-204-38/+36
| | | | | | | | | | | | | | | | | | This patch consolidates the s390-32 semtimedop implementation by defining a arch-specific SEMTIMEDOP_IPC_ARGS to rearrange the arguments expected by s390 Linux kABI. The idea is to avoid have multiples semtimedop implementation changes for Linux v5.1 change to enable wire-up sysvipc support. Checked with a s390-linux-gnu and s390x-linux-gnu and checking that resulting semtimedop objects did not change. * sysdeps/unix/sysv/linux/ipc_priv.h (SEMTIMEDOP_IPC_ARGS): New define. * sysdpes/unix/sysv/linux/s390/ipc_priv.h: New file. * sysdeps/unix/sysv/linux/s390/semtimedop.c: Remove file. * sysdeps/unix/sysv/linux/semtimedop.c (semtimedop): Use SEMTIMEDOP_IPC_ARGS for calls with __NR_ipc.
* sysvipc: Fix compat msgctl (BZ#24570)Adhemerval Zanella2019-05-201-1/+1
| | | | | | | | | | | | The __IPC64 flags is meant to be used to enable the new sysv struct format when the architectures supports it (ARCH_WANT_IPC_PARSE_VERSION config flag on Linux kernel). This currently issue only affects alpha. [BZ #24570] * sysdeps/unix/sysv/linux/msgctl.c (__old_msgctl): Remove __IPC_64 usage.
* Update kernel-features.h files for Linux 5.1.Joseph Myers2019-05-163-7/+13
| | | | | | | | | | | | | | | | | | | | Linux 5.1 adds missing syscalls to the syscall table for many Linux kernel architectures. This patch updates the kernel-features.h headers accordingly. __ASSUME_DIRECT_SYSVIPC_SYSCALLS is not updated because of the differences between new and old syscalls described in <https://sourceware.org/ml/libc-alpha/2019-05/msg00235.html>. The statfs64 structure used by alpha matches what the new kernel syscalls use. Tested with build-many-glibcs.py. * sysdeps/unix/sysv/linux/alpha/kernel-features.h (__ASSUME_STATFS64): Only undefine if [__LINUX_KERNEL_VERSION < 0x050100]. * sysdeps/unix/sysv/linux/ia64/kernel-features.h (__ASSUME_STATX): Likewise. * sysdeps/unix/sysv/linux/sh/kernel-features.h (__ASSUME_STATX): Likewise.
* Linux: Add the tgkill functionFlorian Weimer2019-05-1432-2/+195
| | | | | | | | | The tgkill function is sometimes used in crash handlers. <bits/signal_ext.h> follows the same approach as <bits/unistd_ext.h> (which was added for the gettid system call wrapper). Reviewed-by: Carlos O'Donell <carlos@redhat.com>
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-03 19:08:12 +0000