| Commit message (Collapse) | Author | Age | Files | Lines |
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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.
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This patch adds the AT_RECURSIVE constant from Linux 5.2 to glibc's
fcntl.h. (Existing practice in glibc is that the AT_* constants go
directly in io/fcntl.h rather than somewhere OS-specific.)
Tested for x86_64.
* io/fcntl.h [__USE_GNU] (AT_RECURSIVE): New macro.
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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.
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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.
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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.
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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.
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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.
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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.
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The make regen-ulps was done on a SH7785LCR.
* sysdeps/sh/libm-test-ulps: Update.
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There is just one file-based implementation, so this dispatch
mechanism is unnecessary. Instead of the vtable pointer
__libc_utmp_jump_table, use a non-negative file_fd as the indicator
that the backend is initialized.
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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.
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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.
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Some implementations in sysdeps/powerpc/powerpc64/power8/*.S still had
pre power8 compatible binutils hardcoded macros and were not using
.machine power8.
This patch should not have semantic changes, in fact it should have the
same exact code generated.
Tested that generated stripped shared objects are identical when
using "strip --remove-section=.note.gnu.build-id".
Checked on:
- powerpc64le, power9, build-many-glibcs.py, gcc 6.4.1 20180104, binutils 2.26.2.20160726
- powerpc64le, power8, debian 9, gcc 6.3.0 20170516, binutils 2.28
- powerpc64le, power9, ubuntu 19.04, gcc 8.3.0, binutils 2.32
- powerpc64le, power9, opensuse tumbleweed, gcc 9.1.1 20190527, binutils 2.32
- powerpc64, power9, debian 10, gcc 8.3.0, binutils 2.31.1
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
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The make regen-ulps was done on a PA8900 with 8.3.0.
* sysdeps/hppa/fpu/libm-test-ulps: Update.
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It was introduced in commit 6c8dbf00f536d78b1937b5af6f57be47fd376344
("Reformat malloc to gnu style.").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This is missing bit for fully fix BZ#15813 (the other two were fixed
by 359653aaacad463).
Checked on x86_64-linux-gnu.
[BZ #15813]
sysdeps/posix/tempname.c (__gen_tempname): get entrypy on each
attempt.
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Update translations from translationproject.org for 2.29.9000.
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The changes introduce a memory leak for gconv steps arrays whose
first element is an internal conversion, which has a fixed
reference count which is not decremented. As a result, after the
change in commit 50ce3eae5ba304650459d4441d7d246a7cefc26f, the steps
array is never freed, resulting in an unbounded memory leak.
This reverts commit 50ce3eae5ba304650459d4441d7d246a7cefc26f
("gconv: Check reference count in __gconv_release_cache
[BZ #24677]") and commit 7e740ab2e7be7d83b75513aa406e0b10875f7f9c
("libio: Fix gconv-related memory leak [BZ #24583]"). It
reintroduces bug 24583. (Bug 24677 was just a regression caused by
the second commit.)
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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.
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Recent GCC versions warn about the attempt to return the address of a
local variable:
tst-pthread-getattr.c: In function ‘allocate_and_test’:
tst-pthread-getattr.c:54:10: error: function returns address of local variable [-Werror=return-local-addr]
54 | return mem;
| ^~~
In file included from ../include/alloca.h:3,
from tst-pthread-getattr.c:26:
../stdlib/alloca.h:35:23: note: declared here
35 | # define alloca(size) __builtin_alloca (size)
| ^~~~~~~~~~~~~~~~~~~~~~~
tst-pthread-getattr.c:51:9: note: in expansion of macro ‘alloca’
51 | mem = alloca ((size_t) (mem - target));
| ^~~~~~
The address itself is used in a check in the caller, so using
uintptr_t instead is reasonable.
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This matches the location of the declaration in musl.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Commit 35e038c1d2ccb3a75395662f9c4f28d85a61444f started to use an
incomplete list of subdirs based on $(all-subdirs) causing
testroot.pristine to miss files from nss.
Tested if the list of files in testroot.pristine remains the same.
[BZ #24794]
* Makeconfig (all-subdirs): Improved source comments.
* Makefile (testroot.pristine/install.stamp): Pass
subdirs='$(sorted-subdirs)' to make install.
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This fixes a regression introduced in commit
7e740ab2e7be7d83b75513aa406e0b10875f7f9c ("libio: Fix gconv-related
memory leak [BZ #24583]").
__gconv_release_cache is only ever called with heap-allocated
arrays which contain at least one member. The statically allocated
ASCII steps are filtered out by __wcsmbs_close_conv.
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When compiled with -O3 and AVX, GCC 8 and 9 optimize some loops in
sysdeps/ieee754/dbl-64/branred.c with 256-bit vector instructions,
which leads to store forward stall:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90579
There is no easy fix in compiler. This patch limits vector width to
128 bits to work around this issue. It improves performance of sin
and cos by more than 40% on Skylake compiled with -O3 -march=skylake.
Tested with GCC 7/8/9 on x86-64.
[BZ #24603]
* sysdeps/x86_64/configure.ac: Check if -mprefer-vector-width=128
works.
* sysdeps/x86_64/configure: Regenerated.
* sysdeps/x86_64/fpu/Makefile (CFLAGS-branred.c): New. Set
to -mprefer-vector-width=128 if supported.
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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.
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Whenever a sub-make is created, it inherits the variable subdirs from its
parent. This is also true when make check is called with a restricted
list of subdirs. In this scenario, make install is executed "partially"
and testroot.pristine ends up with an incomplete installation.
[BZ #24794]
* Makefile (testroot.pristine/install.stamp): Pass
subdirs='$(all-subdirs)' to make install.
Reviewed-by: DJ Delorie <dj@redhat.com>
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Some DSOs are distributed in hardware capability directories, e.g.
/usr/lib64/power7/libc.so.6
Whenever the processor is able to use one of these hardware-enabled
DSOs, testroot.pristine ends up with copies of glibc-provided libraries
from the system because it can't overwrite or remove them.
This patch avoids the unintended copies by executing ld.so with the same
arguments passed to each glibc test.
* Makefile (testroot.pristine/install.stamp): Execute ld.so with
the same arguments used in all tests.
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The new IFUNC resolver call ABI was introduced in
commit 2b8a3c86e7606cf1b0a997dad8af2d45ae8989c3
Commit: Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-07-04 11:13:32 +0100
aarch64: new ifunc resolver ABI
See the commit log and the comments in sys/ifunc.h for details.
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This patch adds Cyrillic to plain ASCII transliteration table according
to GOST 7.79-2000 System B standard to the C locale.
[BZ #2872]
* locale/C-translit.h.in: Add Cyrillic transliteration.
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This adds the system call names fsconfig, fsmount, fsopen, fspick,
move_mount, open_tree.
Tested with build-many-glibcs.py.
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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>
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In afe4de7d283ebd88157126c5494ce1796194c16e, I added forwarding functions
from libc to libpthread for __pthread_cond_clockwait and
pthread_cond_clockwait to mirror those for pthread_cond_timedwait. These
are unnecessary[1], since these functions aren't (yet) being called from
within libc itself. Let's remove them.
* nptl/forward.c: Remove unnecessary __pthread_cond_clockwait and
pthread_cond_clockwait forwarding functions. There are no internal
users, so it is unnecessary to expose these functions in libc.so.
* sysdeps/nptl/pthread-functions.h (pthread_functions): Remove
unnecessary ptr___pthread_cond_clockwait member.
* nptl/nptl-init.c (pthread_functions): Remove assignment of
removed member.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
[1] https://sourceware.org/ml/libc-alpha/2017-10/msg00082.html
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This commit updates month and weekday names (full and abbreviated)
from CLDR 35.1 with the following exceptions.
It was not clear why the full name of February in aa_DJ and aa_ER was
"Kudo" while the abbreviated version is "Nah" but some additional
sources [1] [2] as well as the content of aa_ER and aa_ER@saaho
suggest it should be "Naharsi Kudo". This commit consequently sets
the translation of February to "Naharsi Kudo" in aa_DJ and aa_ET.
aa_ER@saaho is not supported by CLDR but since the month names were
identical to aa_ER before this commit, the same values have been copied
from aa_ER.
Links:
[1] https://fr.wiktionary.org/wiki/naharsi_kudo
[2] http://www.mcit.gov.et/web/guest/-/localization-standard-for-afaraf
[BZ #21897]
* localedata/locales/aa_DJ (abday): Update from CLDR, all words
begin with an uppercase letter now.
(abmon): Likewise.
(mon): Update from CLDR, reword February from "Kudo" to
"Naharsi Kudo", April from "Agda Baxisso" to "Agda Baxis",
and August from "Liiqen" to "Leqeeni".
* localedata/locales/aa_ER (mon): Update from CLDR, reword
April from "Agda Baxisso" to "Agda Baxis" and August from
"Leqeeni" to "Liiqen".
* localedata/locales/aa_ER@saaho (mon): Likewise.
* localedata/locales/aa_ET (abmon): Update from CLDR, reword
abbreviated February from "Kud" to "Nah".
(mon): Update from CLDR, reword February from "Kudo" to
"Naharsi Kudo" and April from "Agda Baxisso" to "Agda Baxis".
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The content of the section is identical in both languages.
[BZ #23996]
* localedata/locales/nl_BE (LC_NAME): Replace with “copy "nl_NL"”.
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[BZ #23996]
* localedata/locales/nl_BE (LC_NAME): Add name_gen, name_mr,
name_mrs, name_miss, and name_ms.
* localedata/locales/nl_NL (LC_NAME): Likewise.
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These values were removed by the commit 0a410e76f5.
[BZ #24200]
* localedata/locales/ga_IE (first_weekday): Add, set to 2 (Monday).
* localedata/locales/en_IE (first_weekday): Likewise.
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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>
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* NEWS: Mention recently-added pthread_cond_clockwait,
pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock and
sem_clockwait functions.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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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>
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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>
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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>
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As recommended by the comments in the implementations of
pthread_rwlock_timedrdlock and pthread_rwlock_timedwrlock, let's move
the timeout validity checks into the corresponding pthread_rwlock_rdlock_full
and pthread_rwlock_wrlock_full functions. Since these functions may be
called with abstime == NULL, an extra check for that is necessary too.
* nptl/pthread_rwlock_common.c (__pthread_rwlock_rdlock_full):
Check validity of abstime parameter.
(__pthread_rwlock_rwlock_full): Likewise.
* nptl/pthread_rwlock_timedrdlock.c
* (pthread_rwlock_timedrdlock):
Remove check for validity of abstime parameter.
* nptl/pthread_rwlock_timedwrlock.c
* (pthread_rwlock_timedwrlock):
Likewise.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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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>
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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>
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