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Change-Id: Id7954ada1f8658d3b1da5e8241a09f2d201a7c56
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Turns out that kern.uuid is not as unique as we thought. Googling for
mine finds other instances of the same being used.
Fixes: QTBUG-75371
Change-Id: I95ecabe2f50e450c991afffd159850cc975ec0da
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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Change-Id: Ie3ea1cdae60bf0d7dd89a0ab84146c8370559a29
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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Conflicts:
config.tests/arch/write_info.pri
Repair architecture config test for the WASM_OBJECT_FILES=1 build mode
configure.pri
tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
Done-With: Jörg Bornemann <joerg.bornemann@qt.io>
Change-Id: I9e12088356eb5bc65b53211cd7a8e330cccd1bb4
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Because 256 MB * 8 = 2 Gbit, but length*8 is a signed integer overflow,
hence UB.
Can't really autotest this. Not all systems where we're going to test
can allocate 256 MB of RAM.
[ChangeLog][QtCore][QCryptographicHash] Fixed a bug that caused the
SHA-3 and Keccak algorithms to crash if passed 256 MB of data or more.
Fixes: QTBUG-77362
Change-Id: Iec9c051acd73484c8d94fffd15b91f4b1450f5d7
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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The conversion from int to uint is deliberate here, so let's cast and
avoid a warning for users compiling with warnings enabled.
Change-Id: I7136d6161ace735be49f8d987338f6d401a5c78a
Fixes: QTBUG-77245
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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When I initially added it, it was ony for QCborValue, but I never added
the tests. Turns out there were two bugs:
[ChangeLog][QtCore][QBitArray] Fixed two bugs that caused QBitArrays
created using fromBits() not to compare equal to the equivalent
QBitArray created using other methods if the size was zero or not a
multiple of 4. If the size modulus 8 was 5, 6, or 7, the data was
actually incorrect.
Fixes: QTBUG-77285
Change-Id: Ife213d861bb14c1787e1fffd15b70573d162042c
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Not tested because we're not promising to fix them all. Just those two
that were reported.
Fixes: QTBUG-77391
Change-Id: Iec9c051acd73484c8d94fffd15b91f5e6348635d
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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They're the same only for unsigned values. Modulo of negative numbers
since C++11 has an expected behavior and generates more code:
%rax = %rax & 7:
andl $7, %eax
%rax = %rax % 8 with GCC:
cqto
shrq $61, %rdx
addq %rdx, %rax
andl $7, %eax
subq %rdx, %rax
[read as ((%rax + (%rax < 0 ? 7 : 0)) & 7) - (%rax < 0 ? 7 : 0))]
With Clang:
movq %rax, %rcx
sarq $63, %rcx
shrq $61, %rcx
addq %rax, %rcx
andq $-8, %rcx
subq %rcx, %rax
Change-Id: Ife213d861bb14c1787e1fffd15b83b004be7eba0
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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Change-Id: I4c0fd501db974fb8339944b8df845336776d80a9
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The array of QAtomicPointer<QMutex> can be initialized using relaxed
stores of nullptr, since nullptr is the whole data. But once we store
an actual QMutex pointer in the array, we need to publish the indirect
data thus created. We did this, with testAndSetRelease(); what was
missing was a corresponding acquire fence on load, without which there
is no happens-before relationship between the writes performed by the
QMutex ctor and the reads performed by a subsequent mutex.lock(), say,
on the same data.
Fix by adding acquire fences to all loads. That includes the dtor,
since mutexes may have been created in different threads, and never
been imported into this_thread before the dtor is running.
As a drive-by, return a new'ed QMutex that was successfully installed
directly to the caller, without again going through a load-acquire.
Fixes: QTBUG-59164
Change-Id: Ia25d205b1127c8c4de0979cef997d1a88123c5c3
Reviewed-by: David Faure <david.faure@kdab.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 65b8f59e045bb41fef99b1a44f462115de65064a)
(cherry picked from commit da38f0d691d9d7eacfac5fbcbd47b887bd59bd39)
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If this function is called by multiple threads, more than one could
reach the mutex locking and call TlsAlloc(), but only the last one would
save the data. The others would be leaked and, worse, be used by those
other threads.
[ChangeLog][QtCore][QObject] Fixed a resource leak caused by a race
condition if multiple QObjects were created at the same time, for the
first time in an application, from multiple threads (implies threads not
started with QThread).
Fixes: QTBUG-77238
Change-Id: Ife213d861bb14c1787e1fffd15b63a5818bcc807
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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Change-Id: Ib17844e1dd696a41815bdf58924ff40d684884a8
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
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Conflicts:
qmake/generators/unix/unixmake2.cpp
src/plugins/platforms/cocoa/qcocoawindow.mm
Change-Id: Iba7aa7324f35543e0297a3680956420058cd3630
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Change-Id: I127efe752ebb70825f1b31f0d64c4293d1c71820
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
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Change-Id: Ifbaa4877051d93bcb0d58eed35bfe8dffa5634a3
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An inlined exported function does not make sense and will cause a
warning.
Fixes: QTBUG-77242
Change-Id: I016b93d6b39c4db82148fdc5a8a92bc9d5751885
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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Change-Id: Ibdbd88e11cd03d5ce558e67ad8e9a21436e7ef89
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The same logic is needed for QWinRTFileEngine. To be able to reuse the
code, it was moved out of the class.
Task-number: QTBUG-77095
Change-Id: If52b2fc8a0f3056d32fc693775565a1c3803b7d4
Reviewed-by: André de la Rocha <andre.rocha@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Conflicts:
src/corelib/io/qresource.cpp
Change-Id: I54917f72444a621bd08aeaa15f5d17415993144d
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Amends 136c5b9338f71775eb42528cfc7c23b2b4e5dff9.
Before that change, each of the three members was a separate
Q_GLOBAL_STATIC, so checking resourceList() for nullptr was the
correct thing to do to find out whether the static was already
destroyed.
After the change, the resourceList() function will never return
nullptr. Either resourceGlobalData.isDestroyed(), in which case
dereferencing it asserts, or it isn't, in which case resourceList()
returns a valid pointer.
An explicit isDestroyed() check was added to the unregister function,
but the register one was also checking resourceList() for nullptr,
and this was left unprotected.
Add the check and remove the now-tautological checks for nullptr
resourceList().
Change-Id: I41fe66939ce858a77802b8af04c1de6e4fafe048
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Change-Id: Ic34021fbb87d689ee23a5d1b3f50617ada9ec9b9
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When successfully finishing a parse, it's reasonable to expect that the
QIODevice was advanced to the end of the input data.
[ChangeLog][QtCore][QCborStreamReader] Fixed a bug that caused the
QIODevice that the data was being read from not to show the entire CBOR
message as consumed. This allows the user to consume data that may
follow the CBOR payload.
Fixes: QTBUG-77076
Change-Id: I1024ee42da0c4323953afffd15b23f5d8fcc6f50
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
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Docker creates really long lines due to the multiple levels of overlays
in the overlayfs. Our limit of 1024 bytes was too short.
[ChangeLog][QtCore][QStorageInfo] Fixed a bug that caused QStorageInfo
to be unable to report all filesystems if the options to mounted
filesystems were too long (over 900 characters, roughly), such as those
found in Docker overlay mounts.
Fixes: QTBUG-77059
Change-Id: I6aed4df6a12e43c3ac8efffd15b1ba4231e60b4a
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Change-Id: I6dc0f7c542ccfb768c1cd8688168c415e2c8a087
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
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It's not <APPROOT> (any more, or was ever).
Fixes: QTBUG-76911
Change-Id: I6aed4df6a12e43c3ac8efffd15aed22128862c23
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
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Change-Id: I685000c4f33fb3707b2102fae0b58092107dc8f0
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The textdate API methods are deprecated in favor of QLocale; so
suggest use of QLocale in place of them. Don't credit the deprecated
methods as being used where they aren't.
Change-Id: I0abcb1f69729760ae1b86cb8088e4158c0ad6010
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
Reviewed-by: Tasuku Suzuki <tasuku.suzuki@qbc.io>
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Well, yeah, it technically does...
qcborstream.h:245:15: warning: declaration shadows a typedef in the global namespace [-Wshadow]
/usr/include/libkern/OSTypes.h:36:26: note: previous declaration is here
Fixes: QTBUG-75825
Change-Id: Idce141629dd34287808bfffd159ee2a75428bf12
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
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Caused by commit 01301b0b340df736dd1b0a54b3026e00b49c5ea3, which made
vector.resize(vector.size()) not to detach, which was used by fill() and
assumed that detaching happened. The test does not test the resize()
behavior, only that fill() is not broken anymore.
[ChangeLog][QtCore][QVector] Fixed a regression that caused fill() not
to detach, corrupting shared copies.
Fixes: QTBUG-77058
Change-Id: I6aed4df6a12e43c3ac8efffd15b1b527a8007bf3
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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Change-Id: I5d2a4fa33b4aa22da39ac045e6b85ab940b8720b
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A function may almost always have static storage duration, but that
does not necessarily mean that we can store and load pointers to them
without memory ordering. Play it safe and use store-release and
load-acquire for them (which combines to ordered for the fetchAndSet
call in qInstall*Handler(), as we don't know what the caller will do
with the returned function pointer).
Also change the initial value of the atomic pointer to nullptr.
Nullptr already signified the default handler in qInstall*Handler(),
so the API doesn't change. But by using nullptr to mean default, we
place these variables in the BSS segment instead of TEXT, save dynamic
init, or at least a relocation, and we dodge the smelly comparison of
function pointers, using comparison against nullptr instead.
Also, as a drive-by, put the call to ungrabMessageHandler() in a
scope-guard. Both the message handler, as well as the Qt code calling
it (toLocal8Bit()!), may throw, and that would stop all further
logging. In Qt 5.9, we can't use qScopeGuard(), yet, so use a local
struct calling ungrabMessageHandler() in its dtor.
The code still has one problem: When a logging action is underway, and
another thread exchanges the message handler, we might still execute
code in the old handler. This is probably not a problem in practice,
since no-one will use a dynamically-compiled function for logging
(right? :), but should probably be documented or fixed. This patch
does not address this issue, though.
Change-Id: I21aa907288b9c8c6646787b4001002d145b114a5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit cd401b74a13cd9d9a47d977f195c7985cf725d55)
(cherry picked from commit ea16c860bd75a35134ebb1d4f3be5db58f4a4e21)
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The call to QFileDevice::unsetError() in QSaveFile::open() does
not clear QSaveFilePrivate::writeError. Clear it in addition.
Fixes: QTBUG-77007
Change-Id: I5e5009750f1726d1c74c1b4eb1c33f3a5393fe4f
Reviewed-by: David Faure <david.faure@kdab.com>
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HFS+ filesystems do enforce NFD normalization, so the test worked for
those filesystems. But on APFS, the filesystem is normalization-
insensitive but preserves it, so our transformation caused valid files
to be rejected.
This commit also optimizes the solution for all systems too. Instead of
converting from 8-bit to UTF-16 then back to 8-bit (allocating memory in
both steps), we only convert to UTF-16. And if we detect the locale is
UTF-8, then we use the further optimized QUtf8::isValidUtf8 function
that doesn't allocate any memory at all (ditto for US-ASCII, the case of
someone running with LANG=C).
Fixes: QTBUG-76522
Change-Id: Ief874765cd7b43798de3fffd15aa0d81620ad317
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Conflicts:
configure.pri
Also required s/solid\.color/solidColor/ in a couple of places in:
src/gui/painting/qpaintengine_raster.cpp
Change-Id: I29937f63e9779deb6dac7ae77e2948d06ebc0319
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Blocks are likely to have been created in a differnt thread from the one
performing their deletion, so we need an acquire fence.
The rest of the atomics use in the class looks ok, but nevertheless warrants
a deeper analysis.
Change-Id: I1571ded3a06695b0d58b5bf1d80d6283ac21f959
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 6fa34930c23c7494a3f2703777f46794ff091e2b)
(cherry picked from commit 51bcc7e07e2bb5b42bb200dcd5269e9e9e2fe240)
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
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The pointer value is not the only data we're interested in, but
instead points to indirect data, so we need a release fence on store
(present) and a corresponding acquire fence on load (was missing).
Change-Id: I51f8251c0c7f4056192880430f2be5e0836dbed6
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 6f84829031f318bfda1deff5f409b5ea6c6a5c5f)
(cherry picked from commit 4cc6e1419294a729e53d698bace2254903c1429b)
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
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... irrespective from the users current locale.
Fixes: QTBUG-76938
Change-Id: I78810a75ecf9e9f1067363ce56656124b6ddcefd
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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A declaration of fromStdVariant() was not visible to qdoc
because it was ifdef'ed out. This update ensures that qdoc
sees the declaration.
Change-Id: I4b00a895aa61175296ec80806b43311eff4f25ca
Reviewed-by: Paul Wicking <paul.wicking@qt.io>
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We need localtime_r() in several places. To have this function
declared when including time.h, _POSIX_THREAD_SAFE_FUNCTIONS must be
defined. E.g. qdatetime.cpp includes unistd.h before time.h to define
said macro.
However, this falls apart when precompiled headers are used, because
of the following include chain in qt_pch.h:
qcoreapplication.h -> qobject.h -> chrono -> time.h
This patch ensures that _POSIX_THREAD_SAFE_FUNCTIONS is defined before
including time.h in qt_pch.h by including unistd.h early.
Fixes: QTBUG-76680
Change-Id: I3875072edf37f45492f29d84fc297a9682e11db4
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
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Change-Id: I7e74806218dcc07d800f4ec08e94abce32483f5e
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
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A glass qualifier was missing in a \fn command.
This caused clang to report an error. The class
qualifier is added by this ubdate.
Change-Id: I1c4928183f4c8eb1b28f0fde2ce659a1feb24175
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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A double left brace in a link command was causing qdoc to fail for
the remainder of the qdoc comment. This update just removes one of
the left braces.
Change-Id: Ie4fc0122e0799955b7804c2b6f61393af01747c7
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
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Conflicts:
.qmake.conf
Change-Id: I936be3c0df2b9845ff6a85eb3d4442cdabe63d37
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Because it is. It's just QCoreApplication::postEvent(), which is thread-safe.
It also _has_ to be, because we recommend to use deleteLater() to delete
QObjects that live in another thread:
Quoting the ~QObject() docs:
> Warning: Deleting a QObject while pending events are waiting to be delivered
> can cause a crash. You must not delete the QObject directly if it exists in
> a different thread than the one currently executing. Use deleteLater()
> instead, which will cause the event loop to delete the object after all
> pending events have been delivered to it.
If deleteLater() is not thread-safe, it cannot be used for one of its intended
purposes.
Change-Id: I333d506b42bdfcdff00fe6cefa234c21865625a6
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
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- Fix grammar in op-(QRect, QMargin)
- Correct shunk for grown in op-(QRectF, QMarginsF)
Change-Id: Ia0dbd933cc9f6ed5e0dad05a27794c1135c794ed
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
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Otherwise, the math will fail badly. Documentation improved to reflect
reality.
Change-Id: I9e3d261ad9bf41cfb2b6fffd159085cd38e3c388
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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No need to check QSysInfo, just use qFromBigEndian. On big-endian
systems, it does the memcpy for us.
Change-Id: I1004b4b819774c4c9296fffd158fe3aa5ff0a287
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The documentation talks about them. They're just iterators.
Fixes: QTBUG-75123
Change-Id: I194d3f37471a49788a7bfffd15956064b42383b7
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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