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2019-07-24Linux: Use in-tree copy of SO_ constants for !__USE_MISC [BZ #24532]Florian Weimer
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.
2019-07-12nptl: Add POSIX-proposed pthread_mutex_clocklockMike Crowe
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>
2019-07-12nptl: Add POSIX-proposed pthread_rwlock_clockrdlock & pthread_rwlock_clockwrlockMike Crowe
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>
2019-07-12nptl: Add POSIX-proposed pthread_cond_clockwaitMike Crowe
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>
2019-07-12nptl: Add POSIX-proposed sem_clockwaitMike Crowe
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>
2019-07-02nptl: Remove vfork IFUNC-based forwarder from libpthread [BZ #20188]Florian Weimer
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.
2019-06-28io: Remove copy_file_range emulation [BZ #24744]Florian Weimer
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>
2019-06-07Linux: Add getdents64 system callFlorian Weimer
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>
2019-05-16Update kernel-features.h files for Linux 5.1.Joseph Myers
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.
2019-05-14Linux: Add the tgkill functionFlorian Weimer
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>
2019-05-02misc: Add twalk_r functionFlorian Weimer
The twalk function is very difficult to use in a multi-threaded program because there is no way to pass external state to the iterator function. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2019-04-01alpha: Do not redefine __NR_shmat or __NR_osf_shmatRichard Henderson
Fixes build using v5.1-rc1 headers. The kernel has cleaned up how these are defined. Previous behavior was to define __NR_osf_shmat as 209 and not define __NR_shmat. Current behavior is to define __NR_shmat as 209 and then define __NR_osf_shmat as __NR_shmat. * sysdeps/unix/sysv/linux/alpha/kernel-features.h (__NR_shmat): Do not redefine. * sysdeps/unix/sysv/linux/alpha/sysdep.h (__NR_osf_shmat): Do not redefine.
2019-03-07Break lines before not after operators, batch 4.Joseph Myers
This patch fixes further coding style issues where code should have broken lines before operators in accordance with the GNU Coding Standards but instead was breaking lines after them. Tested for x86_64, and with build-many-glibcs.py. * stdio-common/vfscanf-internal.c (ARG): Break lines before rather than after operators. * sysdeps/mach/hurd/setitimer.c (timer_thread): Likewise. (setitimer_locked): Likewise. * sysdeps/mach/hurd/sigaction.c (__sigaction): Likewise. * sysdeps/mach/hurd/sigaltstack.c (__sigaltstack): Likewise. * sysdeps/mach/pagecopy.h (PAGE_COPY_FWD): Likewise. * sysdeps/mach/thread_state.h (machine_get_basic_state): Likewise. * sysdeps/powerpc/powerpc64/tst-ucontext-ppc64-vscr.c (PPC_CPU_SUPPORTED): Likewise. * sysdeps/unix/sysv/linux/alpha/a.out.h (N_TXTOFF): Likewise. * sysdeps/unix/sysv/linux/generic/wordsize-32/overflow.h (stat_overflow): Likewise. (statfs_overflow): Likewise. * sysdeps/unix/sysv/linux/tst-personality.c (do_test): Likewise. * sysdeps/unix/sysv/linux/tst-ttyname.c (eq_ttyname): Likewise. (eq_ttyname_r): Likewise. (run_chroot_tests): Likewise.
2019-03-01ldbl-opt: Add error and error_at_line (bug 23984)Gabriel F. T. Gomes
On platforms where long double may have the same format as double (-mlong-double-64), error and error_at_line do not take that into account and might produce wrong output if a long double conversion is requested by the format string ('%Lf'). This patch adds compatibility functions for this situation and redirects calls via header magic. Tested for powerpc, powerpc64 and powerpc64le.
2019-03-01ldbl-opt: Add err, errx, verr, verrx, warn, warnx, vwarn, and vwarnx (bug 23984)Gabriel F. T. Gomes
When support for long double format with 128-bits (-mlong-double-128) was added for platforms where long double had the same format as double, such as powerpc, compatibility versions for the functions listed in the commit title were missed. Since the older format of long double can still be used (with -mlong-double-64), using these functions with a format string that requests the printing of long double variables will produce wrong outputs. This patch adds the missing compatibility functions and header magic to redirect calls to them when -mlong-double-64 is in use. Tested for powerpc, powerpc64 and powerpc64le.
2019-03-01ldbl-opt: Add argp_error and argp_failure (bug 23983)Gabriel F. T. Gomes
The functions argp_error and argp_failure are missing support for printing long double values when long double has the same format as double. This patch adds the new functions __nldbl_argp_error and __nldbl_argp_failure, as well as header magic to redirect calls to them when -mlong-double-64 is in use. Tested for powerpc, powerpc64 and powerpc64le.
2019-02-28Add more spaces before '('.Joseph Myers
This patch fixes more places where a space should have been present before '(' in accordance with the GNU Coding Standards (as with the previous patch, mainly for calls to sizeof). Tested with build-many-glibcs.py. * sysdeps/powerpc/powerpc32/dl-machine.c (__elf_machine_fixup_plt): Use space before '('. (__process_machine_rela): Likewise. * sysdeps/powerpc/powerpc32/register-dump.h (register_dump): Likewise. * sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h (TI_BITS): Likewise. * sysdeps/powerpc/powerpc64/register-dump.h (register_dump): Likewise. * sysdeps/powerpc/test-arith.c (union_t): Likewise. (pattern): Likewise. (delta): Likewise. (check_result): Likewise. (check_excepts): Likewise. (check_op): Likewise. (fail_xr): Likewise. * sysdeps/unix/alpha/sysdep.h (syscall_promote): Likewise. * sysdeps/unix/sysv/linux/alpha/a.out.h (AOUTHSZ): Likewise. (SCNHSZ): Likewise. * sysdeps/unix/sysv/linux/hppa/makecontext.c (FRAME_SIZE_BYTES): Likewise. (ARGS): Likewise. (__makecontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h (ucontext_t): Likewise.
2019-02-26Break further lines before not after operators.Joseph Myers
This patch continues the process of fixing coding style to break lines before not after operators in accordance with the GNU Coding Standards, fixing such issues in a non-exhaustive selection of sysdeps files that had them. Tested for x86_64, and with build-many-glibcs.py. * sysdeps/arm/sysdep.h (#if condition): Break lines before rather than after operators. * sysdeps/mach/hurd/fork.c (__fork): Likewise. * sysdeps/mach/hurd/getcwd.c (__hurd_canonicalize_directory_name_internal): Likewise. * sysdeps/mach/hurd/htl/pt-mutex-consistent.c (pthread_mutex_consistent): Likewise. * sysdeps/mach/hurd/htl/pt-mutex-init.c (_pthread_mutex_init): Likewise. * sysdeps/mach/hurd/htl/pt-mutex-transfer-np.c (__pthread_mutex_transfer_np): Likewise. * sysdeps/mach/hurd/htl/pt-mutex-unlock.c (__pthread_mutex_unlock): Likewise. * sysdeps/mach/hurd/htl/pt-mutex.h (ROBUST_LOCK): Likewise. (mtx_owned_p): Likewise. * sysdeps/mach/hurd/htl/pt-mutexattr-getrobust.c (pthread_mutexattr_getrobust): Likewise. * sysdeps/mach/hurd/i386/init-first.c (init1): Likewise. * sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler): Likewise. * sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise. * sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Likewise. * sysdeps/mach/hurd/kill.c (__kill): Likewise. * sysdeps/mach/hurd/mig-reply.c (__mig_get_reply_port): Likewise. * sysdeps/mach/hurd/ptrace.c (ptrace): Likewise. * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/unix/sysv/linux/aarch64/sysdep.h (#if condition): Likewise. * sysdeps/unix/sysv/linux/alpha/ioperm.c (process_cpuinfo): Likewise. * sysdeps/unix/sysv/linux/bits/timex.h (STA_RONLY): Likewise. * sysdeps/unix/sysv/linux/csky/sysdep.h (#if condition): Likewise. * sysdeps/unix/sysv/linux/generic/____longjmp_chk.c (____longjmp_chk): Likewise. * sysdeps/unix/sysv/linux/generic/futimesat.c (futimesat): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (INTERNAL_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (INTERNAL_SYSCALL): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c (__get_clockfreq_via_cpuinfo): Likewise.
2019-02-08Linux: Add gettid system call wrapper [BZ #6399]Florian Weimer
This commit adds gettid to <unistd.h> on Linux, and not to the kernel-independent GNU API. gettid is now supportable on Linux because too many things assume a 1:1 mapping between libpthread threads and kernel threads. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2019-01-03termios: Consolidate termios.hAdhemerval Zanella
This patch consolidates the Linux termios.h by removing the arch-specific one. No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add bits/termios-misc.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Remove file. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios-misc.h: New file. * sysdeps/unix/sysv/linux/bits/termios.h: Include termios-misc.h.
2019-01-03termios: Remove Linux _IOT_termiosAdhemerval Zanella
It is used only on hurd. No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/bits/termios.h (_IOT_termios): Remove. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise.
2019-01-03termios: Consolidate tcflow symbolic constantsAdhemerval Zanella
This patch consolidates the termios symbolic constants for use with tcflow in its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (currently only mips). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add termios-tcflow.h. * sysdeps/unix/sysv/linux/bits/termios-tcflow.h: New file. * sysdeps/unix/sysv/linux/mips/bits/termios-tcflow.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (TCSANOW, TCSADRAIN, TCSAFLUSH): Move to termios-tcflow.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate local mode definitionsAdhemerval Zanella
This patch consolidates the termios symbolic constants used for local mode with c_lflag member on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha, mips, and powerpc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add termios-c_lflag.h. * sysdeps/unix/sysv/linux/bits/termios-c_lflag.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/termios-c_lflag.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios-c_lflag.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-c_lflag.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (ISIG, ISCANON, ECHO, ECHOE, ECHOK, ECHONL, NOFLSH, TOSTOP, IEXTEN): Move to termios-c_lflag.h. [__USE_MISC || (__USE_XOPEN && !__USE_XOPEN2K)] (XCASE): Likewise. [__USE_MISC] (ECHOCTL, ECHOPRT, ECHOKE, FLUSHO, PENDIN, EXTPROC): Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate control mode definitionsAdhemerval Zanella
This patch consolidates the termios symbolic constants used for output mode with c_cflag memver on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha and powerpc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add termios-c_cflag.h. * sysdeps/unix/sysv/linux/bits/termios-c_cflag.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-c_cflag.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (CSIZE, CS5, CS6, CS7, CS8, CSTOPB, CREAD, PARENB, PARODD, HUPCL, CLOCAL): Move to termios-c_cflag.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate Baud Rate Selection definitions (BZ#23783)Adhemerval Zanella
This patch consolidates the termios symbolic constants used for baud rates selection used along with speed_t on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha and powerpc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. [BZ #23783] * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add termios-baud.h. * sysdeps/unix/sysv/linux/bits/termios-baud.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/termios-baud.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-baud.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios-baud.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h (B57600, B115200, B230400, B460800, B500000, B576000, B921600, B1000000, B1152000, B1500000, B2000000, B2500000, B3000000, B3500000, B4000000, __MAX_BAUD): Move to termios-baud.h. [__USE_MISC] (CBAUD, CBAUDEX): Likewise. * sysdeps/unix/sysv/linux/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate Output Modes definitionsAdhemerval Zanella
This patch consolidates the termios symbolic constants used for ouput modes with c_oflag member on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha, powerpc, and sparc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add termios-c_oflag.h. * sysdeps/unix/sysv/linux/bits/termios-c_oflag.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/termios-c_oflag.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-c_oflag.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios-c_oflag.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (OPOST, OLCUC, ONLCR, OCRNL, ONOCR, ONLRET, OFILL, OFDEL, VTDLY, VT0, VT1): Move to termios-c_oflag.h. [__USE_MISC || __USE_XOPEN] (NLDLY, NL0, NL1, CRDLY, CR0, CR1, CR2, CR3, TABDLY, TAB0, TAB1, TAB2, TAB3, BSDLY, BS0, BS1, FFDLY, FF0, FFR1): Likewise. [USE_MISC] (XTABS): Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h Likewise.
2019-01-03termios: Consolidate Input Modes definitions.Adhemerval Zanella
This patch consolidates the termios symbolic constants used for input modes with c_iflag member on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha and powerpc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdeps_headers): Add termios-c_iflag.h. * sysdeps/unix/sysv/linux/bits/termios-c_iflag.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/termios-c_iflag.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-c_iflag.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (IGNBRK, BRKINT, IGNPAR, PARMRK, INPCK, ISTRIP, INLCR, IGNCR, ICRNL, IXON, IXOFF, IXANY, IUCLC, IMAXBEL, IUTF8): Move to termios-c_iflag.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate termios c_cc symbolic constantsAdhemerval Zanella
This patch consolidates the termios symbolic constants used as subscript for the array c_cc on its own header. The Linux generic implementation values match the kernel UAPI and each architecture with deviate values have their own implementation (in this case alpha, mips64, sparc64, and powerpc). No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/Makefile (sysdeps_headers): Add termios-cc.h. * sysdeps/unix/sysv/linux/bits/termios-c_cc.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios-c_cc.h: New file. * sysdeps/unix/sysv/linux/mips/bits/termios-c_cc.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios-c_cc.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios-c_cc.h: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h (VINTR, VQUIT, VERASE, VKILL, VEOF, VTIME, VMIN, VSWTC, VSTART, VSTOP, VSUSP, VEOL, VREPRINT, VDISCARD, VWERASE, VLNEXT, VEOLF2): Move to termios-cc.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
2019-01-03termios: Consolidate struct termiosAdhemerval Zanella
This patch consolidates the struct termios definition on its own header and adds arch-defined ones for ABIs that deviate from generic implementation. They are: - alpha which has a slight different layout than generic one (c_cc field is defined prior c_line). - sparc and mips which do not have the c_ispeed/c_ospeed fields. No semantic change is expected, checked on a build against x86_64-linux-gnu, alpha-linux-gnu, mips64-linux-gnu, and sparc64-linux-gnu. * sysdeps/unix/sysv/linux/alpha/bits/termios-struct.h: New file. * sysdeps/unix/sysv/linux/bits/termios-struct.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios-struct.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios-struct.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add termios-struct.h. * sysdeps/unix/sysv/linux/bits/termios.h (struct termios): Move to termios-struct.h. * sysdeps/unix/sysv/linux/alpha/bits/termios.h (struct termios): Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h (struct termios): Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h (struct termios): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h (struct termios): Likewise. * sysdeps/unix/sysv/linux/kernel_termios.h (_HAVE_C_ISPEED, _HAVE_C_OSPEED): Define. * sysdeps/unix/sysv/linux/mips/kernel_termios.h (_HAVE_C_ISPEED, _HAVE_C_OSPEED): Likewise. * sysdeps/unix/sysv/linux/sparc/kernel_termios.h (_HAVE_C_ISPEED, _HAVE_C_OSPEED): Likewise. * sysdeps/unix/sysv/linux/speed.c [_HAVE_STRUCT_TERMIOS_C_OSPEED] (cfsetospeed): Check for define value instead of existence. [_HAVE_STRUCT_TERMIOS_C_ISPEED] (cfsetispeed): Likewise. * sysdeps/unix/sysv/linux/tcgetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED && _HAVE_C_ISPEED] (__tcgetattr): Likewise. * sysdeps/unix/sysv/linux/tcsetattr.c [_HAVE_STRUCT_TERMIOS_C_ISPEED && _HAVE_C_ISPEED] (__tcsetattr): Likewise.
2019-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
2018-12-18alpha: Use Linux generic sigaction implementationAdhemerval Zanella
Alpha rt_sigaction syscall uses a slight different kernel ABI than generic one: arch/alpha/kernel/signal.c 90 SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, 91 struct sigaction __user *, oact, 92 size_t, sigsetsize, void __user *, restorer) Similar as sparc, the syscall expects a restorer function. However different than sparc, alpha defines the restorer as the 5th argument (sparc defines as the 4th). This patch removes the arch-specific alpha sigaction implementation, adapt the Linux generic one to different restore placements (through STUB macro), and make alpha use the Linux generic kernel_sigaction definition. Checked on alpha-linux-gnu and x86_64-linux-gnu (for sanity). * sysdeps/unix/sysv/linux/alpha/Makefile: Update comment about __syscall_rt_sigaction. * sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h (kernel_sigaction): Use Linux generic defintion. (STUB): Define. (__syscall_rt_sigreturn, __syscall_sigreturn): Add prototype. * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S (__syscall_rt_sigaction): Remove implementation. (__syscall_sigreturn, __syscall_rt_sigreturn): Define as global and hidden. * sysdeps/unix/sysv/linux/alpha/sigaction.c: Remove file. * sysdeps/unix/sysv/linux/alpha/sysdep.h (INLINE_SYSCALL, INTERNAL_SYSCALL): Remove definitions. * sysdeps/unix/sysv/linux/sigaction.c: Define STUB to accept both the action and signal set size. * sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c (STUB): Redefine. * sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c (STUB): Likewise.
2018-12-18Remove __ASSUME_ST_INO_64_BIT.Joseph Myers
kernel-features.h has a macro __ASSUME_ST_INO_64_BIT, with a comment "However, SH is lame, and still does not have a 64-bit inode field.". The macro is, in fact, defined to 0 by Alpha as well as SH. The Alpha case is, however, trivially useless: none of the files that test __ASSUME_ST_INO_64_BIT are built for Alpha (which gained kernel support for stat64 syscalls, with a 64-bit st_ino field, in Linux 2.6.4; the define to 0 for Alpha in glibc predates that). The SH kernel gained support for a 64-bit st_ino in struct stat64 in commit 760bcb1deec13c50e20399c84cb6a8ea41cc2820 ("sh: Fix fstatat64() syscall."), which is in Linux 2.6.22 and later. So the redefinition of __ASSUME_ST_INO_64_BIT to 0 is of no use for SH either; three of the files testing it do so immediately after a stat64-family syscall has been used, which will always have set the 64-bit st_ino correctly (in addition to the 32-bit __st_ino), while the relevant code __xstat32_conv executes only after such a syscall in the function calling __xstat32_conv. Thus this patch removes __ASSUME_ST_INO_64_BIT and code testing it. Removing the useless [!__ASSUME_ST_INO_64_BIT] code in __xstat32_conv renders the [_HAVE_STAT64___ST_INO] and [!_HAVE_STAT64___ST_INO] cases around it identical, so that conditional is also removed. Tested compilation with build-many-glibcs.py for its Alpha and SH configurations; also ran the glibc testsuite for x86_64 and x86. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_ST_INO_64_BIT): Remove macro definition. * sysdeps/unix/sysv/linux/alpha/kernel-features.h (__ASSUME_ST_INO_64_BIT): Do not undefine and define. * sysdeps/unix/sysv/linux/sh/kernel-features.h (__ASSUME_ST_INO_64_BIT): Likewise. * sysdeps/unix/sysv/linux/fxstat64.c: Do not include <kernel-features.h>. (___fxstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]: Remove conditional code. * sysdeps/unix/sysv/linux/lxstat64.c: Do not include <kernel-features.h>. (___lxstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]: Remove conditional code. * sysdeps/unix/sysv/linux/xstat64.c: Do not include <kernel-features.h>. (___xstat64) [_HAVE_STAT64___ST_INO && !__ASSUME_ST_INO_64_BIT]: Remove conditional code. * sysdeps/unix/sysv/linux/xstatconv.c: Do not include <kernel-features.h>. (__xstat32_conv) [_HAVE_STAT64___ST_INO]: Remove conditional code. [!_HAVE_STAT64___ST_INO]: Make code unconditional.
2018-12-07Add getcpuH.J. Lu
Add #include <sched.h> int getcpu (unsigned int *cpu, unsigned int *node); to return currently used CPU and NUMA node. Tested on x86-64, x32 and i686 as well as with build-many-glibcs.py. * NEWS: Mention getcpu. * include/sched.h (__getcpu): New libc_hidden_proto. * manual/resource.texi: Document getcpu. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add getcpu. * sysdeps/unix/sysv/linux/Versions (GLIBC_2.29): Add getcpu. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add getcpu. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/bits/sched.h (getcpu): New prototype. * sysdeps/unix/sysv/linux/getcpu.c: New file. * sysdeps/unix/sysv/linux/tst-skeleton-affinity.c (test_size): Also check getcpu.
2018-12-07posix: New function posix_spawn_file_actions_addfchdir_np [BZ #17405]Florian Weimer
Along with posix_spawn_file_actions_addchdir, posix_spawn_file_actions_addfchdir is the subject of a change proposal for POSIX: <http://austingroupbugs.net/view.php?id=1208>
2018-11-21Remove the error handling wrapper from powSzabolcs Nagy
Introduce new pow symbol version that doesn't do SVID compatible error handling. The standard errno and fp exception based error handling is inline in the new code and does not have significant overhead. The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty w_pow.c and enabled for targets with their own pow implementation or ifunc dispatch on __ieee754_pow by including math/w_pow.c. The compatibility symbol version still uses the wrapper with SVID error handling around the new code. There is no new symbol version nor compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv). On targets where previously powl was an alias of pow, now it points to the compatibility symbol with the wrapper, because it still need the SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well. The __pow_finite symbol is now an alias of pow. Both __pow_finite and pow set errno and thus not const functions. The ia64 asm is changed so the compat and new symbol versions map to the same address. On x86_64 #include <math.h> was added before macro definitions that may affect that header. Tested with build-many-glibcs.py. * math/Versions (GLIBC_2.29): Add pow. * math/w_pow_compat.c (__pow_compat): Change to versioned compat symbol. * math/w_pow.c: New file. * sysdeps/i386/fpu/w_pow.c: New file. * sysdeps/ia64/fpu/e_pow.S: Add versioned symbols. * sysdeps/ieee754/dbl-64/e_pow.c (__ieee754_pow): Rename to __pow and add necessary aliases. * sysdeps/ieee754/dbl-64/w_pow.c: New file. * sysdeps/m68k/m680x0/fpu/w_pow.c: New file. * sysdeps/mach/hurd/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Update. * sysdeps/unix/sysv/linux/arm/libm.abilist: Update. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Update. * sysdeps/unix/sysv/linux/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update. * sysdeps/unix/sysv/linux/sh/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update. * sysdeps/x86_64/fpu/multiarch/e_pow-fma.c (__ieee754_pow): Rename to __pow. * sysdeps/x86_64/fpu/multiarch/e_pow-fma4.c (__ieee754_pow): Likewise. * sysdeps/x86_64/fpu/multiarch/e_pow.c (__ieee754_pow): Likewise. * sysdeps/x86_64/fpu/multiarch/w_pow.c: New file.
2018-11-21Remove the error handling wrapper from log2Szabolcs Nagy
Introduce new log2 symbol version that doesn't do SVID compatible error handling. The standard errno and fp exception based error handling is inline in the new code and does not have significant overhead. The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty w_log2.c and enabled for targets with their own log2 implementation by including math/w_log2.c. The compatibility symbol version still uses the wrapper with SVID error handling around the new code. There is no new symbol version nor compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv). On targets where previously log2l was an alias of log2, now it points to the compatibility symbol with the wrapper, because it still need the SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well. The __log2_finite symbol is now an alias of log2. Both __log2_finite and log2 set errno and thus not const functions. The ia64 asm is changed so the compat and new symbol versions map to the same address. Tested with build-many-glibcs.py. * math/Versions (GLIBC_2.29): Add log2. * math/w_log2_compat.c (__log2_compat): Change to versioned compat symbol. * math/w_log2.c: New file. * sysdeps/i386/fpu/w_log2.c: New file. * sysdeps/ia64/fpu/e_log2.S: Add versioned symbols. * sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Rename to __log2 and add necessary aliases. * sysdeps/ieee754/dbl-64/w_log2.c: New file. * sysdeps/m68k/m680x0/fpu/w_log2.c: New file. * sysdeps/mach/hurd/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Update. * sysdeps/unix/sysv/linux/arm/libm.abilist: Update. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Update. * sysdeps/unix/sysv/linux/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update. * sysdeps/unix/sysv/linux/sh/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update.
2018-11-21Remove the error handling wrapper from logSzabolcs Nagy
Introduce new log symbol version that doesn't do SVID compatible error handling. The standard errno and fp exception based error handling is inline in the new code and does not have significant overhead. The wrapper is disabled for sysdeps/ieee754/dbl-64 by using empty w_log.c and enabled for targets with their own log implementation by including math/w_log.c. The compatibility symbol version still uses the wrapper with SVID error handling around the new code. There is no new symbol version nor compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv). On targets where previously logl was an alias of log, now it points to the compatibility symbol with the wrapper, because it still need the SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g. arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well. The __log_finite symbol is now an alias of log. Both __log_finite and log set errno and thus not const functions. The ia64 asm is changed so the compat and new symbol versions map to the same address. On x86_64 #include <math.h> was added before macro definitions that may affect that header. Tested with build-many-glibcs.py. * math/Versions (GLIBC_2.29): Add log. * math/w_log_compat.c (__log_compat): Change to versioned compat symbol. * math/w_log.c: New file. * sysdeps/i386/fpu/w_log.c: New file. * sysdeps/ia64/fpu/e_log.S: Update. * sysdeps/ieee754/dbl-64/e_log.c (__ieee754_log): Rename to __log and add necessary aliases. * sysdeps/ieee754/dbl-64/w_log.c: New file. * sysdeps/m68k/m680x0/fpu/w_log.c: New file. * sysdeps/mach/hurd/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Update. * sysdeps/unix/sysv/linux/arm/libm.abilist: Update. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Update. * sysdeps/unix/sysv/linux/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update. * sysdeps/unix/sysv/linux/sh/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update. * sysdeps/x86_64/fpu/multiarch/e_log-avx.c (__ieee754_log): Rename to __log. * sysdeps/x86_64/fpu/multiarch/e_log-fma.c (__ieee754_log): Likewise. * sysdeps/x86_64/fpu/multiarch/e_log-fma4.c (__ieee754_log): Likewise. * sysdeps/x86_64/fpu/multiarch/e_log.c (__ieee754_log): Likewise. * sysdeps/x86_64/fpu/multiarch/w_log.c: New file.
2018-11-21Remove the error handling wrapper from exp and exp2Szabolcs Nagy
Introduce new exp and exp2 symbol version that don't do SVID compatible error handling. The standard errno and fp exception based error handling is inline in the new code and does not have significant overhead. The double precision wrappers are disabled for sysdeps/ieee754/dbl-64 by using empty w_exp.c and w_exp2.c files, the math/w_exp.c and math/w_exp2.c files use the wrapper template and can be included by targets that have their own exp and exp2 implementations or use ifunc on the glibc internal __ieee754_exp symbol. The compatibility symbol versions still use the wrapper with SVID error handling around the new code. There is no new symbol version nor compatibility code on !LIBM_SVID_COMPAT targets (e.g. riscv). On targets where previously expl and exp2l were aliases of exp and exp2, now they point to the compatibility symbols with the wrapper, because they still need the SVID compatible error handling. This affects NO_LONG_DOUBLE (e.g arm) and LONG_DOUBLE_COMPAT (e.g. alpha) targets as well. The _finite symbols are now aliases of the standard symbols (they have no performance advantage anymore). Both the standard symbols and _finite symbols set errno and thus not const functions. The ia64 asm is changed so the compat and new symbol versions map to the same address. On x86_64 #include <math.h> was added before macro definitions that may affect that header (the new macro name is __exp instead of __ieee754_exp which breaks some math.h macros). Tested with build-many-glibcs.py. * math/Versions (GLIBC_2.29): Add exp and exp2. * math/w_exp2_compat.c (__exp2_compat): Change to versioned compat symbol, handle NO_LONG_DOUBLE and LONG_DOUBLE_COMPAT explicitly. * math/w_exp_compat.c (__exp_compat): Likewise. * math/w_exp.c: New file. * math/w_exp2.c: New file. * sysdeps/i386/fpu/w_exp.c: New file. * sysdeps/i386/fpu/w_exp2.c: New file. * sysdeps/ia64/fpu/e_exp.S: Add versioned symbols. * sysdeps/ia64/fpu/e_exp2.S: Likewise. * sysdeps/ieee754/dbl-64/e_exp.c (__ieee754_exp): Rename to __exp and add necessary aliases. * sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Rename to __exp2 and add necessary aliases. * sysdeps/ieee754/dbl-64/w_exp.c: New file. * sysdeps/ieee754/dbl-64/w_exp2.c: New file. * sysdeps/m68k/m680x0/fpu/w_exp.c: New file. * sysdeps/m68k/m680x0/fpu/w_exp2.c: New file. * sysdeps/mach/hurd/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Update. * sysdeps/unix/sysv/linux/arm/libm.abilist: Update. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Update. * sysdeps/unix/sysv/linux/i386/libm.abilist: Update. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Update. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Update. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Update. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Update. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Update. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Update. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Update. * sysdeps/unix/sysv/linux/sh/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Update. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Update. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Update. * sysdeps/x86_64/fpu/multiarch/e_exp-avx.c (__exp1): Remove. (__ieee754_exp): Rename to __exp. * sysdeps/x86_64/fpu/multiarch/e_exp-fma.c (__exp1): Remove. (__ieee754_exp): Rename to __exp. * sysdeps/x86_64/fpu/multiarch/e_exp-fma4.c (__exp1): Remove. (__ieee754_exp): Rename to __exp. * sysdeps/x86_64/fpu/multiarch/e_exp.c (__ieee754_exp): Rename to __exp. * sysdeps/x86_64/fpu/multiarch/w_exp.c: New file.
2018-11-06posix: New function posix_spawn_file_actions_addchdir_np [BZ #17405]Florian Weimer
2018-10-10Use common bits/shm.h for more architectures.Joseph Myers
sysdeps/unix/sysv/linux/bits/shm.h has padding after time fields in struct shmid_ds unconditionally, and thus is only suitable for 32-bit architectures (no 64-bit configurations use this file); sysdeps/unix/sysv/linux/generic/bits/shm.h is substantively the same, except that the padding is conditioned on __WORDSIZE == 32, and so it can be used for 64-bit architectures as well. This patch adds the conditionals to sysdeps/unix/sysv/linux/bits/shm.h. The linux/generic/ version is then no longer needed and so is removed, as are the alpha and s390 versions which are also no longer needed. The other architecture-specific versions have different padding, layout, types or SHMLBA definitions and so are still needed after this change. This is essentially the same change for bits/shm.h as the bits/msq.h patch and the bits/sem.h patch. However, the details of the padding variations for the architectures that aren't changed are not all the same between msqid_ds, shmid_ds and semid_ds. Tested with build-many-glibcs.py. * sysdeps/unix/sysv/linux/bits/shm.h: Include <bits/wordsize.h>. (struct shmid_ds): Condition padding after time fields on [__WORDSIZE == 32]. * sysdeps/unix/sysv/linux/alpha/bits/shm.h: Remove file. * sysdeps/unix/sysv/linux/generic/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/shm.h: Likewise.
2018-10-10Use common bits/sem.h for more architectures.Joseph Myers
sysdeps/unix/sysv/linux/bits/sem.h has padding after time fields in struct semid_ds unconditionally, and thus is only suitable for 32-bit architectures (no 64-bit configurations use this file); sysdeps/unix/sysv/linux/generic/bits/sem.h is substantively the same, except that the padding is conditioned on __WORDSIZE == 32, and so it can be used for 64-bit architectures as well. This patch adds the conditionals to sysdeps/unix/sysv/linux/bits/sem.h. The linux/generic/ version is then no longer needed and so is removed, as are the alpha, ia64 and s390 versions which are also no longer needed. The other architecture-specific versions have different padding or types and so are still needed after this change. This is essentially the same change for bits/sem.h as the bits/msq.h patch. However, the details of the padding variations for the architectures that aren't changed are not all the same between msqid_ds and semid_ds. Tested with build-many-glibcs.py. * sysdeps/unix/sysv/linux/bits/sem.h: Include <bits/wordsize.h>. (struct semid_ds): Condition padding after time fields on [__WORDSIZE == 32]. * sysdeps/unix/sysv/linux/alpha/bits/sem.h: Remove file. * sysdeps/unix/sysv/linux/generic/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/sem.h: Likewise.
2018-10-10Use common bits/msq.h for more architectures.Joseph Myers
sysdeps/unix/sysv/linux/bits/msq.h has padding after time fields in struct msqid_ds unconditionally, and thus is only suitable for 32-bit architectures (no 64-bit configurations use this file); sysdeps/unix/sysv/linux/generic/bits/msq.h is substantively the same, except that the padding is conditioned on __WORDSIZE == 32, and so it can be used for 64-bit architectures as well. This patch adds the conditionals to sysdeps/unix/sysv/linux/bits/msq.h. The linux/generic/ version is then no longer needed and so is removed, as are the alpha, ia64 and s390 versions which are also no longer needed. The other architecture-specific versions have different padding or types and so are still needed after this change. Tested with build-many-glibcs.py. * sysdeps/unix/sysv/linux/bits/msq.h: Include <bits/wordsize.h>. (struct msqid_ds): Condition padding after time fields on [__WORDSIZE == 32]. * sysdeps/unix/sysv/linux/alpha/bits/msq.h: Remove file. * sysdeps/unix/sysv/linux/generic/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/s390/bits/msq.h: Likewise.
2018-09-25Complete sys/procfs.h unification.Joseph Myers
This patch completes the process of unifying sys/procfs.h headers for architectures using the Linux kernel by making alpha use the generic version. That was previously deferred because alpha has different definitions of prgregset_t and prfpregset_t from other architectures, so changing to the common definitions would change C++ name mangling. To avoid such a change, a header bits/procfs-prregset.h is added, and alpha gets its own version of that header. Tested for x86_64 and x86, and with build-many-glibcs.py. * sysdeps/unix/sysv/linux/sys/procfs.h: Include <bits/procfs-prregset.h>. (prgregset_t): Define using __prgregset_t. (prfpregset_t): Define using __prfpregset_t. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_headers): Add bits/procfs-prregset.h. * sysdeps/unix/sysv/linux/bits/procfs-prregset.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/procfs-prregset.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/alpha/sys/procfs.h: Remove file.
2018-07-24alpha: mlock2, copy_file_range syscalls were introduced in kernel 4.13Florian Weimer
2018-07-24nptl: Add abilist symbols for C11 threadsAdhemerval Zanella
This patch adds the required abilist symbols for C11 thread support. Checked with a build for all major ABI (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabi, i386-linux-gnu, ia64-linux-gnu, m68k-linux-gnu, microblaze-linux-gnu [1], mips{64}-linux-gnu, nios2-linux-gnu, powerpc{64le}-linux-gnu, s390{x}-linux-gnu, sparc{64}-linux-gnu, and x86_64-linux-gnu). Also ran a full check on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu, arm-linux-gnueabhf, and powerpc64le-linux-gnu. [BZ #14092] * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28] (thrd_current, thrd_equal, thrd_sleep, thrd_yield): Add C11 thread symbols. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist [[GLIBC_2.28] (call_once, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, cnd_wait, mtx_destroy, mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlokc, thrd_create, thrd_detach, thrd_exit, thrd_join, tss_create, tss_delete, tss_get, tss_set): Likewise. * sysdeps/unix/sysv/linux/aarch64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libpthread.abilist: Likewise. ikewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/libpthread.abilist: * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libpthread.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libpthread.abilist: Likewise.
2018-07-10Add the statx functionFlorian Weimer
2018-07-05Add renameat2 function [BZ #17662]Florian Weimer
The implementation falls back to renameat if renameat2 is not available in the kernel (or in the kernel headers) and the flags argument is zero. Without kernel support, a non-zero argument returns EINVAL, not ENOSYS. This mirrors what the kernel does for invalid renameat2 flags.
2018-06-26Fix Linux fcntl OFD locks for non-LFS architectures (BZ#20251)Adhemerval Zanella
This patch fixes the OFD ("file private") locks for architectures that support non-LFS flock definition (__USE_FILE_OFFSET64 not defined). The issue in this case is both F_OFD_{GETLK,SETLK,SETLKW} and F_{SET,GET}L{W}K64 expects a flock64 argument and when using old F_OFD_* flags with a non LFS flock argument the kernel might interpret the underlying data wrongly. Kernel idea originally was to avoid using such flags in non-LFS syscall, but since GLIBC uses fcntl with LFS semantic as default it is possible to provide the functionality and avoid the bogus struct kernel passing by adjusting the struct manually for the required flags. The idea follows other LFS interfaces that provide two symbols: 1. A new LFS fcntl64 is added on default ABI with the usual macros to select it for FILE_OFFSET_BITS=64. 2. The Linux non-LFS fcntl use a stack allocated struct flock64 for F_OFD_{GETLK,SETLK,SETLKW} copy the results on the user provided struct. 3. Keep a compat symbol with old broken semantic for architectures that do not define __OFF_T_MATCHES_OFF64_T. So for architectures which defines __USE_FILE_OFFSET64, fcntl64 will aliased to fcntl and no adjustment would be required. So to actually use F_OFD_* with LFS support the source must be built with LFS support (_FILE_OFFSET_BITS=64). Also F_OFD_SETLKW command is handled a cancellation point, as for F_SETLKW{64}. Checked on x86_64-linux-gnu and i686-linux-gnu. [BZ #20251] * NEWS: Mention fcntl64 addition. * csu/check_fds.c: Replace __fcntl_nocancel by __fcntl64_nocancel. * login/utmp_file.c: Likewise. * sysdeps/posix/fdopendir.c: Likewise. * sysdeps/posix/opendir.c: Likewise. * sysdeps/unix/pt-fcntl.c: Likewise. * include/fcntl.h (__libc_fcntl64, __fcntl64, __fcntl64_nocancel_adjusted): New prototype. (__fcntl_nocancel_adjusted): Remove prototype. * io/Makefile (routines): Add fcntl64. (CFLAGS-fcntl64.c): New rule. * io/Versions [GLIBC_2.28] (fcntl64): New symbol. [GLIBC_PRIVATE] (__libc_fcntl): Rename to __libc_fcntl64. * io/fcntl.h (fcntl64): Add prototype and redirect if __USE_FILE_OFFSET64 is defined. * io/fcntl64.c: New file. * manual/llio.text: Add a note for which commands fcntl acts a cancellation point. * nptl/Makefile (CFLAGS-fcntl64.c): New rule. * sysdeps/mach/hurd/fcntl.c: Alias fcntl to fcntl64 symbols. * sysdeps/mach/hurd/i386/libc.abilist [GLIBC_2.28] (fcntl, fcntl64): New symbols. * sysdeps/unix/sysv/linux/fcntl.c (__libc_fcntl): Fix F_GETLK64, F_OFD_GETLK, F_SETLK64, F_SETLKW64, F_OFD_SETLK, and F_OFD_SETLKW for non-LFS case. * sysdeps/unix/sysv/linux/fcntl64.c: New file. * sysdeps/unix/sysv/linux/fcntl_nocancel.c (__fcntl_nocancel): Rename to __fcntl64_nocancel. (__fcntl_nocancel_adjusted): Rename to __fcntl64_nocancel_adjusted. * sysdeps/unix/sysv/linux/not-cancel.h (__fcntl_nocancel): Rename to __fcntl64_nocancel. * sysdeps/unix/sysv/linux/tst-ofdlocks.c: New file. * sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Likewise. * sysdeps/unix/sysv/linux/Makefile (tests): Add tst-ofdlocks. (tests-internal): Add tst-ofdlocks-compat. * sysdeps/unix/sysv/linux/aarch64/libc.abilist [GLIBC_2.28] (fcntl64): New symbol. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist [GLIBC_2.28] (fcntl, fcntl64): Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilis: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
2018-06-18Add SHM_STAT_ANY from Linux 4.17 to bits/shm.h.Joseph Myers
Linux 4.17 adds a SHM_STAT_ANY constant (ipcs command). This patch adds it to the relevant bits/shm.h headers. Tested for x86_64. * sysdeps/unix/sysv/linux/alpha/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): New macro. * sysdeps/unix/sysv/linux/arm/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/generic/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/hppa/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/ia64/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/mips/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/s390/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/sh/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/x86/bits/shm.h [__USE_MISC] (SHM_STAT_ANY): Likewise.
2018-06-18Add SEM_STAT_ANY from Linux 4.17 to bits/sem.h.Joseph Myers
Linux 4.17 adds a SEM_STAT_ANY constant (ipcs command). This patch adds it to the relevant bits/sem.h headers. Tested for x86_64. * sysdeps/unix/sysv/linux/alpha/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): New macro. * sysdeps/unix/sysv/linux/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/generic/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/hppa/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/ia64/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/mips/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/s390/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise. * sysdeps/unix/sysv/linux/x86/bits/sem.h [__USE_MISC] (SEM_STAT_ANY): Likewise.
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