| Commit message (Collapse) | Author | Age | Files | Lines |
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Conflicts:
src/network/socket/qnativesocketengine_p.h
src/network/ssl/qsslsocket_mac.cpp
src/network/ssl/qsslsocket_mac_p.h
src/widgets/kernel/qwidget.cpp
Change-Id: I39592cb37d710dfaf8640769ba3c1b637927d7f4
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Amend change 110a8c339fa078a4edd09a70239280e482b149f1, fixing:
WARNING: Failure to find: arch/qatomic_mips.h
Task-number: QTBUG-49168
Change-Id: I7009037d3f4c51c9ed9713b6e94ee43022fe2645
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: I6b1fe0c6c360a0d5285911869f0f4f93d86d822e
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The "previous" value is always 1 when the compare-and-swap succeeded,
instead of the previous value.
Instead of fixing this, let's just remove this file a bit earlier than
the rest. All of them will be removed in Qt 5.7 anyway, so let's leave
MIPS atomics to the compiler.
Task-number: QTBUG-49168
Change-Id: Idba8c29717f34c70a58fffff14133304595165f5
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
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Conflicts:
qmake/doc/src/qmake-manual.qdoc
src/corelib/tools/qstring.h
src/gui/image/qimagereader.cpp
src/network/access/qnetworkaccessmanager.cpp
src/tools/qdoc/doc/examples/examples.qdoc
src/widgets/accessible/qaccessiblewidgetfactory_p.h
src/widgets/doc/qtwidgets.qdocconf
Change-Id: I8fae62283aebefe24e5ca4b4abd97386560c0fcb
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QBasicAtomicOps<size>::testAndSetRelaxed(T &, T, T) and
QBasicAtomicOps<size>::testAndSetOrdered(T &, T, T) bodies don't match
any prototypes in qatomic_ia64.h: the optional parameter T *currentValue
is missing.
Task-number: QTBUG-48197
Change-Id: I0112c429b161b4a0ddb6e8a0400a436282ffb1c7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The C++ standard says it must, but some badly-configured toolchains seem
to be lacking support.
In particular, for some 32-bit platforms without native support for
them, GCC implements 64-bit atomics via out-of-line functions in
libatomic. If that library is missing... well, then std::atomic 64-bit
doesn't work and we mustn't try to use it.
This was found when trying to compile Qt 5.6 for MIPS 32-bit:
Linking library libQt5Core.so.5.6.0
.obj/qsimd.o: In function `std::__atomic_base<unsigned long long>::load(std::memory_order) const':
/opt/poky/1.7/sysroots/mips32r2-poky-linux/usr/include/c++/4.9.1/bits/atomic_base.h:500: undefined reference to `__atomic_load_8'
.obj/qsimd.o: In function `std::__atomic_base<unsigned long long>::store(unsigned long long, std::memory_order)':
/opt/poky/1.7/sysroots/mips32r2-poky-linux/usr/include/c++/4.9.1/bits/atomic_base.h:478: undefined reference to `__atomic_store_8'
Yocto bug report: https://bugzilla.yoctoproject.org/show_bug.cgi?id=8274
Change-Id: I42e7ef1a481840699a8dffff140224d6614e5c36
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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We can't have too many braces: one pair is just enough because we're
actually calling the QBasicAtomicInt's constructor. That is, we're using
the uniform initialization procedure.
Required for Clang 3.7:
qmetatype.h:1772:46: error: braces around scalar initializer [-Werror,-Wbraced-scalar-init]
static QBasicAtomicInt metatype_id = Q_BASIC_ATOMIC_INITIALIZER(0);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
qatomic_cxx11.h:331:43: note: expanded from macro 'Q_BASIC_ATOMIC_INITIALIZER'
#define Q_BASIC_ATOMIC_INITIALIZER(a) { {a} }
^~~
Change-Id: Ib306f8f647014b399b87ffff13f1f2db1fabe393
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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The ldrexd and strexd instructions require 64-bit alignment, but Clang
for iOS aligns those types on 32-bit boundaries inside structures. We
can't use Q_ALIGNOF because it returns the alignment for the type inside
a structure.
Task-number: QTBUG-46949
Change-Id: Ib056b47dde3341ef9a52ffff13ef17bede0846f2
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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And add tests for the GCC intrinsics and for std::atomic.
Task-number: QTBUG-43794
Change-Id: Ic5d393bfd36e48a193fcffff13b9b2dbaee80469
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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winbase.h defines them without __cdecl, so we shouldn't add them
ourselves to our forward declaration. Doing so results in errors if the
user changed the default calling convention when compiling Qt:
qatomic_msvc.h(126): error C2373: '_InterlockedIncrement' : redefinition; different type modifiers
C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\intrin.h(242) : see declaration of '_InterlockedIncrement'
Task-number: QTBUG-44028
Change-Id: I1a800c709d3543699131ffff13c3d09fe53ba28b
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.
Outdated header.LGPL removed (use header.LGPL21 instead)
Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing
combination. New header.LGPL-COMM taken in the use file which were
using old header.LGPL3 (src/plugins/platforms/android/extract.cpp)
Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license
combination
Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe
Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
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Extend the support for pre-MIPS32 architectures (done mostly in
60b6b28c213a420ee40e254ff1823876098e0a04) also to orderedMemoryFence.
Change-Id: I50b9091c16166b8434a07988053c1f901d528237
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Clang always sets __mips to 1, unlike GCC. To detect a higher MIPS arch,
we need to rely on the _MIPS_ARCH_MIPSxxx macros being defined -- or, in
this case, _MIPS_ARCH_MIPS1 not being defined.
Change-Id: Ib6846a6892a4c1e17e595a69305b7e46a5303ee7
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Adrian Perez de Castro <aperez@igalia.com>
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- Renamed LICENSE.LGPL to LICENSE.LGPLv21
- Added LICENSE.LGPLv3
- Removed LICENSE.GPL
Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
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The MIPS32 manual I have says 0x11 is SYNC_ACQUIRE and 0x12 is
SYNC_RELEASE. The change was an unintentional mistake in commit
60b6b28c213a420ee40e254ff1823876098e0a04.
Thanks to Spencer Schumann for spotting this.
Change-Id: I16885e4e86e8befa8931733d0b5a54ac9942f176
Reviewed-by: Spencer Schumann <spencer.schumann@echostar.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
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Change-Id: I2a044d44ca991ba20ddd710053b85afb51e362d3
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The atomic functions on MIPS are based on the sync opcode with an
immediate argument, which is something introduced in the MIPS32
instruction set. This prevent to use Qt on pre-MIPS32 CPU, like the
Loongson 2 CPU.
However some of the pre-MIPS32 CPUs interprets the sync opcode with and
immediate argument as a sync opcode without argument (which is a stronger
ordering than with the argument), and for the others the kernel emulates
it.
It is therefore fine to use the current MIPS atomic functions on
pre-MIPS32 CPU. This patch allows that by temporarily changing the
instruction set to MIPS32 around the sync instruction, so that binutils
doesn't choke on it.
Change-Id: I9cc984bd55b5f172736ce9e638a6f4e271b79fe7
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This way, no compiler can instantiate it at class instantiation time. We
don't want them to do it for T that are function pointers (sizeof
functions is meaningless).
Change-Id: I6d5044bd5d9ffd0d347f1f38ab33c64213730788
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: David Faure <david.faure@kdab.com>
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setEnabled() would race with isEnabled()/isDebugEnabled()/etc.
Change-Id: I2004cba81d5417a634b97f5c2f98d3a4ab71770d
Reviewed-by: David Faure <david.faure@kdab.com>
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It is deprecated, and produces warnings on recent Clang versions.
Change-Id: I83181dd12c06a600a2f0eafbd83fe6111cf7752c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This has apparently never worked for any negative value. That's because
the compiler sign-extends the incoming expectedValue to fill the 32-bit
register, instead of zero-extending it, and it also expects any returned
values to also be sign-extended.
Task-number: QTBUG-37031
Change-Id: I836eddba7b1acc56bb0ac1d41de7001d06255b9b
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
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Two changes broke compilation on armv5, where we're currently
not CI-testing:
634f82f1f1fda7983abf70b58e43c580b1f01df0 changed the signature
in a function definition without changing its declaration, while
it was actually intending to add this as a new overload.
bfe0db6fbea6376dbe395af6d76995a54bbc3b49 added an #error
condition without fixing compilation on armv5. I don't know
if the fix is correct, but at least it compiles.
Task-number: QTBUG-37034
Change-Id: If99142fafb9bd55afc20b17f8b3cce5ee0ffec13
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This is extremely useful, since the most common action after a failed
compare-and-swap is to loop around, trying again with the current
value as found in memory.
Code currently written as:
do {
Type value = atomic.load();
...
} while (!atomic.testAndSetRelaxed(value, desired));
Becomes:
Type value = atomic.load();
do {
...
} while (!atomic.testAndSetRelaxed(value, desired, value));
In most CPU architectures, the value that was found in memory is known
to the compare-and-swap code, so this is more efficient than the
previous code. In architectures where the value is not known, the new
code is no worse than before.
The implementation sometimes modified an existing function, sometimes
it added a new one, depending on whether more registers were needed in
the assembly (like ARMv6-7), the code became more complex (ARMv5), the
optimizer failed (C++11), or it was just plain equivalent (MIPS).
Change-Id: I7d6d200ea9746ec8978a0c1e1969dbc3580b9285
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This simplifies the code a lot and avoids silly mistakes where a
specific integer type is missing (such as char16_t).
Change-Id: Id91dfd1919e783e0a9af7bfa093ca560a01b22d1
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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No need to redefine everywhere, since they're required to be supported.
Change-Id: I2bdbbd0b0c44871e3bd0edcf0289fc58dd50ff31
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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This is already implemented in qatomic_x86.h, qatomic_ia64.h,
qatomic_mips.h, qatomic_armv6.h, and qatomic_cxx11.h. For
qatomic_msvc.h, we've just fixed it.
For qatomic_gcc.h, we know that the compiler supports it, so just add
it. According to the GCC manual, it might print a warning on some
platforms, so we only enable that on 64-bit builds.
For qatomic_unix.h, the support was missing (along with support for
unsigned 32-bit), so this commits adds it.
For qatomic_armv5.h, the platform does not always support 64-bit
atomics, but ARMv5 cannot compile in 64-bit mode anyway.
Change-Id: Ia8b3b5c641f11e5df05937fe7442be0a223174ef
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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MSVC provides the necessary functions / intrinsics for 16- and 64-bit
operations. It has some support for 8-bit too, but the most important
functions seem to be missing...
Change-Id: I177b4eb2a2cf14d716b78c94f9d6a9b11aea1b84
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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the diff -w for this commit is empty.
Started-by: Thiago Macieira <thiago.macieira@intel.com>
Change-Id: I77bb84e71c63ce75e0709e5b94bee18e3ce6ab9e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The new atomic code was introduced in Qt 5.0. The platforms that did not
get ported were announced as deprecated in Qt 5.2. The code is now
removed in Qt 5.3.
The status for the platform/compiler/OS combinations affected is:
* Linux with GCC or Clang: still compiles on all platforms
(via qatomic_cxx11.h or qatomic_gcc.h)
* INTEGRITY with Green Hills compiler: no longer compiles
* Solaris on UltraSPARC, with Sun Studio: no longer compiles
* AIX on POWER5 or 6, with IBM Visual Age: no longer compiles
(probably did not compile Qt 5.0 either)
* VxWorks in kernel mode: no longer compiles
[ChangeLog][General] Support for the following platforms has been
removed, due to lack of interest in updating support: INTEGRITY,
VxWorks, Solaris on UltraSPARC (with the Sun Studio compiler suite), AIX
on POWER processors (with IBM Visual Age compiler suite).
Change-Id: I8a961385fd95011c016b2b1eec52034794dae3e1
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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They're now required as per the documentation. They should have been
present when this was created...
Change-Id: If52bc91e942306ef0fa7b1b41b739d897c9a1ea1
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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At least with GCC, the use of cmpxchg8b in inline assembly is
unreliable. The instruction requires 5 registers to be used and
sometimes GCC complains that it runs out of them.
qatomic_x86.h:424:33: error: can’t find a register in class ‘GENERAL_REGS’ while reloading ‘asm’
qatomic_x86.h:424:33: error: ‘asm’ operand has impossible constraints
Change-Id: Ie5414f3bccc6e559c7eec93beabe8663ab40271f
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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In qatomic_cxx11, the 'Type' is std::atomic<T>, whose fetch_add method,
used in fetchAndAdd*(), already does the right thing for T* with sizeof(T) > 1.
The code, however, applied 'AddScale' to the 'valueToAdd', thus becoming
incompatible with normal pointer arithmetics.
This is very apparent when one goes to the length of actually testing
qatomic_cxx11 with tst_QAtomicPointer (which is non-trivial, since the
-c++11 configure option currently doesn't have an effect on tests/auto).
To fix, remove the AddScale factor.
Change-Id: I7507203af3b7df31d8322b31a6a1a33ca847d224
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Both Clang and ICC complain about the use of those atomics when used
with a forward-declared pointee. GCC doesn't, which makes me think
it's a GCC bug.
When using QBasicAtomicPointer<Foo> with these atomics, the _q_value
member causes the instantiation of QAtomicOps<Foo>, which causes the
instantiation of the regular member function
QAtomicOps<Foo>::fetchAndAddRelaxed. The problem is that function
takes a QAtomicAdditiveType<Foo>::AdditiveT as parameter, which
requires sizeof(Foo). Clang 3.3 and ICC 14 correctly expand and
complain. GCC 4.7-4.9 apparently don't.
The fix is to apply the same trick we used for the other atomics:
change all ops functions (including fetchAndAddRelaxed) to be member
templates. That way, they can't be expanded until the actual use.
Clang errors:
qgenericatomic.h:73:33: error: invalid application of 'sizeof' to an incomplete type 'QMutexData'
qatomic_gcc.h:136:48: note: in instantiation of template class 'QAtomicAdditiveType<QMutexData *>' requested here
qbasicatomic.h:272:22: note: in instantiation of template class 'QAtomicOps<QMutexData *>' requested here
ICC errors:
qgenericatomic.h(73): error: incomplete type is not allowed
detected during:
instantiation of class "QAtomicAdditiveType<T *> [with T=QMutexData]" at line 111 of "qatomic_cxx11.h"
instantiation of class "QAtomicOps<T> [with T=QMutexData *]" at line 272 of "qbasicatomic.h"
Found-by: Tor Arne
Change-Id: I9b10648cd47109a943b34a4c9926d77cd0c4fe12
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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It is deprecated and clang is starting to warn about it.
Patch mostly generated by clang itself, with some careful grep
and sed for the platform-specific parts.
Change-Id: I8058e6db0f1b41b33a9e8f17a712739159982450
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Remove all trailing whitespace from the following list of files:
*.cpp *.h *.conf *.qdoc *.pro *.pri *.mm *.rc *.pl *.qps *.xpm *.txt *README
excluding 3rdparty, test-data and auto generated code.
Note A): the only non 3rdparty c++-files that still
have trailing whitespace after this change are:
* src/corelib/codecs/cp949codetbl_p.h
* src/corelib/codecs/qjpunicode.cpp
* src/corelib/codecs/qbig5codec.cpp
* src/corelib/xml/qxmlstream_p.h
* src/tools/qdoc/qmlparser/qqmljsgrammar.cpp
* src/tools/uic/ui4.cpp
* tests/auto/other/qtokenautomaton/tokenizers/*
* tests/benchmarks/corelib/tools/qstring/data.cpp
* util/lexgen/tokenizer.cpp
Note B): in about 30 files some overlapping 'leading tab' and
'TAB character in non-leading whitespace' issues have been fixed
to make the sanity bot happy. Plus some general ws-fixes here
and there as asked for during review.
Change-Id: Ia713113c34d82442d6ce4d93d8b1cf545075d11d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
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QtCore has a few headers that, though public, aren't meant to be
included directly. Those are the atomic headers, the three _impl.h
headers and qt_windows.h.
QtGui includes two OpenGL headers that don't compile on their own.
Other libraries should not have headers like that (but they do,
something we need to fix eventually).
Change-Id: I55e4eb057748f47df927ee618f9409acbc189cc1
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: Ie9f98e5f5a08908d9d99e04bdc95fd506cc4a51e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>
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The macro was made empty in ba3dc5f3b56d1fab6fe37fe7ae08096d7dc68bcb
and is no longer necessary or used.
Discussed-on: http://lists.qt-project.org/pipermail/development/2013-January/009284.html
Change-Id: Id2bb2e2cabde059305d4af5f12593344ba30f001
Reviewed-by: Laszlo Papp <lpapp@kde.org>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
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refs/staging/dev
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Change-Id: Ic804938fc352291d011800d21e549c10acac66fb
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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VxWorks does not support to globally lock and unlock the scheduler from
process. In kernel mode (DKM) above functions disable preemption from
requested task and such functionality does not exist for process.
Change-Id: Id41eab4c1973e4181e82539d08707659e0780f99
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
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Change copyrights and license headers from Nokia to Digia
Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
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Those are regular, integer types, of 16- and 32-bit width,
respectively. C++11's std::atomic supports them, so we should too.
C++11 also supports wchar_t, but since that type's size can change, I
don't feel like support for it in Qt is pressing.
Change-Id: I945b641c91a8a98be82715f878c382dee58ac98b
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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This allows one to write code that depends on these values at
compile-time.
Change-Id: I7d78524ed9c70d4141360496d1d764dcbfa92e62
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Actually, only the "new" atomics are marked. The old implementation,
based on qoldbasicatomic.h is unchanged, but should still work without a
problem.
The following configurations were tested and do work:
- x86 64-bit
- x86 32-bit
- generic GCC
- generic C++11 std::atomic
- bootstrap
- ARMv6 and 7
- MIPS
- MSVC 2010 32-bit
- MSVC 2010 64-bit
The only two configurations untested are IA-64 and ARMv5. Except for
MSVC, all configurations were tested with GCC 4.6 (MIPS and ARM) and 4.7
(x86 and generics).
Change-Id: Iecbfeacd9d20b535453e91335165e9a221e0b47e
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
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This is so we can insert valgrind (helgrind) annotation macros. They
require the actual address of the variable to work.
Change-Id: I988f6a46385ad58143c53ad34b6cf0f58be2cdb8
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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Change-Id: I19d3b2e9a5180b13deb828b55195404ef20be295
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
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qatomic_msvc.h declares some Windows intrinsic functions which should
not be in the Qt namespace.
Change-Id: I1b2f91798159c08cf167ee3d1ed2818c12c9b833
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
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Inspired by
https://bugreports.qt-project.org/secure/attachment/26020/qt_atomic_sparc64.patch
Task-number: QTBUG-22479
Change-Id: Ie3275df96c639d6a75e05f70fe5745aeb34457f9
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
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