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Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.
Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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Change ref() and deref() in qatomic_cxx11.h to use acq_rel ordered
semantics as documented instead of the stricter sequential consistency
that was previously used implicitly.
It was pointed out in the discussion on atomic reference counts that
acq_rel semantics should be sufficient for reference counts. It also
turned out that that is all that the definition of "Ordered" in the
documentation really guarantees.
Original-patch-by: Kevin Kofler <kevin.kofler@chello.at>
Change-Id: I6cd50b34bdc699ff8b7c8fe6d303b28d71494731
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
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Is required now.
Change-Id: I62e95929d1649ea1390392230b619bd56d2a0349
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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As requested by a ### Qt 6 comment. This then implied a few other
functions weren't constexpr, which broke some tests.
Task-number: QTBUG-85700
Change-Id: I6522a9b2d7a74e117442121400a1d7198d323967
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Both normal and relaxed constexpr are required by our new minimum of
C++17.
Change-Id: Ic028b88a2e7a6cb7d5925f3133b9d54859a81744
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>
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Fixes: QTBUG-82864
Change-Id: I35d5bcc92b2e4bddaacbfffd15fc42d054fcb2b1
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
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Plain load() / store() have already relaxed semantics. This
can be surprising -- std::atomic::load()/store() are actually
sequentially consistent -- and introduce a pain point
if someone wants to move from Qt atomics to std:: atomics.
So just add a suffix to the functions to clarify what's the
memory ordering involved with them.
The Ops::load / ::store are temporarily left in, because other
modules depends on them. We need to port those modules away,
then they can go (it's private API anyhow).
Similarly, not deprecating anything yet, except for marking
obsolete in the docs; there's a lot of code around using
load() / store() that needs to be ported first.
[ChangeLog][QtCore][QAtomicInteger] Added loadRelaxed() and
storeRelaxed(), to be used as replacements of load() / store().
[ChangeLog][QtCore][QAtomicPointer] Added loadRelaxed() and
storeRelaxed(), to be used as replacements of load() / store().
Change-Id: Iab0a78885050379e3740f0b039ba2bef28ce3bd2
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: I006dfd0b7cfa3bda5e5ab01bcefa851f031dfe0e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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In preparation of Qt6 move away from pre-C++11 macros.
Change-Id: I44126693c20c18eca5620caab4f7e746218e0ce3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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There is no more architecture-specific code.
Change-Id: Ie9d9215342d449c48a11fffd151d11411cd73fc7
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
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