This patch improves the documentation regarding the thread affinity of
QThread's own methods. It's not always clear for people new to threading
that a QThread object lives in the old thread were it was instantiated
and that calling the methods of said objects will also happen there.
Change-Id: I3599851ebc97a33602ca6499da254a08aec59b2b
Reviewed-by: Sze Howe Koh <szehowe.koh@gmail.com>
This reverts commit 90493e16b8.
The change broke static builds with MSVC.
[ChangeLog][Visual Studio] Reverted a change that caused static
binaries compiled with Visual Studio 2015 to crash on start-up. Note
that this does not apply to Visual Studio 2017 static binaries, even
though the crash stack traces are very similar: with 2017, the problem
is compiler regression and requires updating to version 15.8 for the
fix.
Task-number: QTBUG-68514
Change-Id: I67ea8e1ef442cecab83e7d8d74efc9617e02da35
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This differs from both C rounding (away from zero), and IEEE-754
rounding (to even).
Change-Id: I2cdd358824ca14c922b23029308e3ce3258c1d8f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
qFuzzyIsNull has a fixed range, where qFuzzyCompare can tell if numbers
are different in a more relative range. Without it QPointFs that are
heavily scaled will be interpreted as identical, when they are quite
different at their own scale.
Task-number: QTBUG-60359
Task-number: QTBUG-62161
Change-Id: Ic4ba90e9e994aedff5548d690f053eb309b0a60b
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
They were introduced in commit c416a7f257.
warning: ‘QString::QString(const QByteArray&)’ is deprecated: Use fromUtf8, QStringLiteral, or QLatin1String [-Wdeprecated-declarations]
Change-Id: I6a540578e810472bb455fffd1532e31736e1edc9
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
It happens because our filesystemwatcher thinks it is subdirectory and not
two different paths
Task-number: QTBUG-60676
Change-Id: Ic753e9481cb26303a030044e0a5ab4d703bc529f
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
When a new model was set with setSourceModel() and the mapping was
built up, the destruction of the old model caused a reset in the
QSortFilterProxyModel which lead to an empty view or an assertion.
Now we properly disconnect the old model again and also clean up the old
mapping/persistent indexes when a new source model is set.
Task-number: QTBUG-44962
Task-number: QTBUG-67948
Task-number: QTBUG-68427
Change-Id: I2e0612899c210bde3ac0cfa59aefd78269deee5b
Reviewed-by: David Faure <david.faure@kdab.com>
If LANGUAGE specified only the language, without any script or
country, and matched the value we'd got from other environment
variables, we were throwing away their knowledge of script and
country, leading to falling back on the default script and country for
that language, which might be at odds with what other environment
variables had told us.
Changed to only use LANGUAGE if it contradicts (or extends) what we
would otherwise have used. Clarified some comments in the process.
[ChangeLog][QLocale][Unix] When using LANGUAGE would lose information
about script or country, without changing language, use the locale
implied by LC_ALL, LC_MESSAGES or LANG.
Prompted-by: Safa AlFulaij <safa1996alfulaij@gmail.com>
Change-Id: Ie433e57ae6b995abafd05c931136cc9796494895
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
We require linkat(2) to materialize the file and that is (stupidly)
filtered. See 138d34b9c8 and QTBUG-64103.
Task-number: QTBUG-68344
Change-Id: I052407b777ec43f78378fffd152fd8822761b452
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
We need to add the \relates command otherwise it won't appear in the documentation
Change-Id: I134776c1528445761a7539cf687e4855d39eb7a7
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
Turns out that the non-AVX2 code was beating the performance of the AVX2
because the simdTestMask function did a little too much. So just use the
same VPMOVMSKB technique for it.
Change-Id: I0825ff5b5f6f4c85939ffffd152f3b636ab998db
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
[ChangeLog][QtCore][QSharedPointer] Fixed a problem that made create()
on a type with const qualification fail to compile.
Task-number: QTBUG-68300
Change-Id: I0825ff5b5f6f4c85939ffffd152f3e55e5b9caae
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
First of all, this removes the UB that used to try and calculate the
distance between the two strings. That's a valid technique in assembly,
but dangerous in C++ and totally unnecessary. The compiler is perfectly
able to generate loops with a single induction variable all on its own.
Second, this commit makes the main loop use 32-byte comparisons (16
characters at a time), which is a reasonable size for strings. We use
AVX2 if that's available, or an unrolled pair of 16-byte loads
otherwise. After the existing 16-byte comparison, this commit inserts an
8-byte (4-character) comparison and then reduces the final, unrolled
comparison to just 3 characters.
Change-Id: Ib48364abee9f464c96c6fffd152e474b39e1f293
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
The added test case contains the binary JSON equivalent of
["ž"]
with the modification that the string's length has been set to INT_MAX. In
Value::usedStorage this length is used through the pointer d like so
s = sizeof(int) + sizeof(ushort) * qFromLittleEndian(*(int *)d);
Because 2 * INT_MAX is UINT_MAX-1, the expression as a whole evaluates to 2,
which is considered a valid storage size. However, when converting this binary
JSON into ordinary JSON we will attempt to construct a QString of length
INT_MAX.
Fixed by using String::isValid instead of Value::usedStorage. This method
already takes care to avoid the overflow problem. Additionally, I've tried in
this patch to clarify the behavior of Value::isValid a bit by writing it in a
style that is hopefully more amenable to structural induction.
Finally, the test case added in my previous patch had the wrong file extension
and is renamed in this one.
Task-number: QTBUG-61969
Change-Id: I45d891f2467a71d8d105822ef7eb1a73c3efa67a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
If glibc's <unistd.h> does not define SYS_statx but <linux/stat.h> did
define struct statx and related constants, we failed to compile.
Task-number: QTBUG-68205
Change-Id: I04a43ee94975482f9e32fffd151e66bbe6988554
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Not sure this makes the code faster, but it removes two functions.
Change-Id: I5d0ee9389a794d80983efffd152d830da44b1bfe
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
The check for having N valid characters is ptr + N <= end, because
ptr + N == end indicates that we have exactly N characters in the
string.
Change-Id: I5d0ee9389a794d80983efffd152d28d5aa485ce4
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
qarraydataops.h:73:17: error: ‘void* memset(void*, int, size_t)’ clearing an object of non-trivial type
‘struct TCBPoint’; use assignment or value-initialization instead [-Werror=class-memaccess]
Change-Id: I5d0ee9389a794d80983efffd152ce10eb557341f
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
The added test case is the binary JSON equivalent of
{"a":{"š":null}}
with two modifications. First, the length of the string "š" has been corrupted
to 0xFFFFFF00. Second and more import, the Base::size field of the inner object
has been reset to 0.
On its own the first modification would normally trigger a validation error.
However, due to the second modification the Value::usedStorage for the inner
object evaluates to 0, completely disabling all further validation of the
object's contents.
Attempting to convert this binary JSON into standard JSON will lead to the JSON
writer trying to construct a QString of length 0xFFFFFF00.
Fixed by validating also objects with usedStorage == 0.
Task-number: QTBUG-61969
Change-Id: I5e59383674dec9be89361759572c0d91d4e16e01
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The added test case is a binary JSON file describing an array which contains
itself. This file passes validation even though attempting to convert it to
plain JSON leads to an infinite loop. Fixed by rejecting it in validation.
Task-number: QTBUG-61969
Change-Id: Ib4472e9777d09840c30c384b24294e4744b02045
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This method takes a pointer+size pair, but begins reading through the pointer
without first checking the size parameter. Fixed by checking the size parameter.
A new test case is added with an empty binary json file. Although the test does
not fail under normal conditions, the problem can be detected using valgrind or
AddressSanitizer.
Task-number: QTBUG-61969
Change-Id: Ie91cc9a56dbc3c676472c614d4e633d7721b8481
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
GCC and Clang assume that all Sandybridge (2nd generation) and newer
Intel Core™ processors have AES, which I used as a source of information
for this code. However, there are a few low-end parts that miss this
feature, like Intel Core™ i3-2350M, i3-3130M, i3-4000M.
[1] https://ark.intel.com/products/series/75025/4th-Generation-Intel-Core-i3-Processors
Task-number: QTBUG-67705
Change-Id: If90a92b041d3442fa0a4fffd1525b9afbcb6e524
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
If the pipe creation fails, we need to properly close the pipes that
were successfully created, emit the signal indicating failure and set
the state back to NotRunning.
The error string is reused from below, so there's no new translatable
string.
Task-number: QTBUG-67744
Change-Id: If90a92b041d3442fa0a4fffd1526207698f234a6
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Replace the code for isRowSelected and isColumnSelected with
a much simpler algorithm for deciding if a row/column is selected.
In a model with a cross-hatch of unselectable indexes, the return values
of is(Column/Row)Selected would depend on the order in which the
selections were done.
Task-number: QTBUG-18001
Change-Id: I6aa4b1df7c07fae469a686041927fa8c42bc9b16
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Previously the code for isColumnSelected and isRowSelected differed
slightly, in how unselectable indexes would be treated.
This made isColumnSelected return false for a column, which mixed
unselectable indexes and selected indexes. Thus in some situations,
the user could not deselect a column via a QTableView header.
By copying the isRowSelected code to isColumnSelected, rows and
columns behave identical.
Task-number: QTBUG-18001
Change-Id: I6ca85ac64b31a481fafeaa3bec958b18283eed8d
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
As per today's change in the MIME spec.
https://bugs.freedesktop.org/show_bug.cgi?id=97372
Change-Id: Iba4fdd95c3ebec8a042404956db3466a46c97f1d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The code was written before 5.10 was released, but took long to be
merged.
Change-Id: If90a92b041d3442fa0a4fffd15286fe079b058e1
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
There had been a fake declaration for qEnvironmentVariable() in qglobal.h
thaqt was only visible to QDoc. It was removed in favor of documenting
both the actual declarations of qEnvironmentVariable(), one with a 2nd
parameter for passing a defualt value and one without that parameter.
But the one without the default value parameter was marked internal, so
it didn't appear in the docs.
When both functions were documented with a shared comment, a bug in
QDoc was revealed, because these functions are global, while the shared
comment functionality had only been implemented for class member functions.
Now the shared comment functionality has been implemented for global
functions, so these two functions are now documented with a shared
comment. We can, of course, reintroduce the #ifdef QCLANG_QDOC trick, if
that is pre3ferred.
Change-Id: I41d85def5daa3215a995d7697d064dfae37e8b2a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This fixes qdoc warnings introduced by 67d5f79fe6.
Change-Id: I4b199e6243d9a7706befe4bc9549c78c11026d9e
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
We're relying on C++11 since a while, so lets not advertise creating
lists of strings with operator<<() anymore.
Change-Id: I14a3442ff852ac2c106d90c63504eb9ebb737609
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: hjk <hjk@qt.io>
Change the documentation to use nullptr and modify the related code
also while at it.
Change-Id: I6264a254828159cda54e90393835ea04e131350b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
The watchOS and tvOS platforms also define __IPHONE_OS_VERSION_MIN_REQUIRED
for compatibility, so we need account for that in the ordering of the ifdefs.
Task-number: QTBUG-67534
Change-Id: Id86e684137550533470370ef29c3563d677d5865
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
Avoid creating a QDateTime in the resource that will almost
never get used. Constructing the date time is expensive as we
convert the time stamp to local time.
Task-number: QTBUG-65713
Change-Id: I3638e108a8fbd237cd93e98aa2adc0ca2127822c
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Tuukka Turunen <tuukka.turunen@qt.io>
To read data from a named pipe, QWindowsPipeReader uses the ReadFileEx()
function which runs asynchronously. When reading is completed and the
thread is in an alertable wait state, the notified() callback is called
by the system, reporting a completion status of that operation. Then the
callback queues a readyRead signal and starts a new sequence. The latter
is skipped if the pipe is broken or the read buffer is full.
Thus, if an application does not run the event loop, the next call to
QWindowsPipeReader::waitForReadyRead() should emit the queued signal
and report true to the caller even if no new read operation was started.
Change-Id: I37102dbb1c00191d93365bfc2e94e743d9f3962a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
On platforms where integer by default is int32(max is 2147483647) and
(1 << (' ' - 1)) will be 2147483648
Change-Id: I790d33bd4e473925d6897dd87cbffdfe8dd7938f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Change the toString description to reflect that the listed types are not
exclusive, and update see also link to link to the canConvert method
that includes conversion table.
Task-number: QTBUG-67174
Change-Id: I3ad2889c98a235995b94a2d0496a6fb8c024b7bb
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>
The original design for the 64-bit futex had the token count replicated
in the high part. But the constructor wasn't setting it. This is one of
the issues I had noticed when investigating QTBUG-66875, but didn't need
to address since the the fix I ended up applying in commit
081c001deb made that unnecessary: the high
part only had the number of waiters.
Unfortunately, when commit f502270c0f06daba75c1da381bd1658d81aa7bba
brought back the token count in the high part, I failed to correct that
problem. As a consequence, every QSemaphore that was initialized in the
constructor to a non-zero value would eventually deadlock.
This commit fixes that oversight.
Task-number: QTBUG-67481
Change-Id: I662b8f168c74440ab1a8fffd1522be6b85adb4d0
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Svenn-Arne Dragly <svenn-arne.dragly@qt.io>
