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Do not keep the libraryPathMutex locked while calling QFactoryLoader::refreshAll
QFactoryLoader also lock a mutex, and recurse into QCoreApplication::libraryPath
Reviewed-by: Brad
Helgrind warning for reference:
==8442== Thread #1: lock order "0xDEBA470 before 0xDF63600" violated
==8442== at 0x4C2911E: QMutex::lock() (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
==8442== by 0x7EE5870: QMutexLocker::QMutexLocker(QMutex*) (qmutex.h:102)
==8442== by 0x8025A8E: QCoreApplication::libraryPaths() (qcoreapplication.cpp:2234)
==8442== by 0x8006FDC: QFactoryLoader::update() (qfactoryloader.cpp:109)
==8442== by 0x8006F32: QFactoryLoader::QFactoryLoader(char const*, QString const&, Qt::CaseSensitivity) (qfactoryloader.cpp:99)
==8442== by 0x6DE4351: qt_guiPlatformPlugin() (qguiplatformplugin.cpp:101)
==8442== by 0x6DE7A5B: QApplicationPrivate::x11_apply_settings() (qapplication_x11.cpp:934)
==8442== by 0x6DE9BAD: qt_set_x11_resources(char const*, char const*, char const*, char const*) (qapplication_x11.cpp:1111)
==8442== by 0x6DF0CB3: qt_init(QApplicationPrivate*, int, _XDisplay*, unsigned long, unsigned long) (qapplication_x11.cpp:2323)
==8442== by 0x6D4EF4D: QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) (qapplication.cpp:793)
==8442== by 0x6D4EABE: QApplication::QApplication(int&, char**, int) (qapplication.cpp:712)
==8442== by 0x41350F: main (tst_examples.cpp:227)
==8442== Required order was established by acquisition of lock at 0xDEBA470
==8442== at 0x4C2911E: QMutex::lock() (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
==8442== by 0x7EE5870: QMutexLocker::QMutexLocker(QMutex*) (qmutex.h:102)
==8442== by 0x8025FC3: QCoreApplication::addLibraryPath(QString const&) (qcoreapplication.cpp:2335)
==8442== by 0x6DE792D: QApplicationPrivate::x11_apply_settings() (qapplication_x11.cpp:927)
==8442== by 0x6DE9BAD: qt_set_x11_resources(char const*, char const*, char const*, char const*) (qapplication_x11.cpp:1111)
==8442== by 0x6DF0CB3: qt_init(QApplicationPrivate*, int, _XDisplay*, unsigned long, unsigned long) (qapplication_x11.cpp:2323)
==8442== by 0x6D4EF4D: QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) (qapplication.cpp:793)
==8442== by 0x6D4EABE: QApplication::QApplication(int&, char**, int) (qapplication.cpp:712)
==8442== by 0x41350F: main (tst_examples.cpp:227)
==8442== followed by a later acquisition of lock at 0xDF63600
==8442== at 0x4C2911E: QMutex::lock() (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
==8442== by 0x7EE5870: QMutexLocker::QMutexLocker(QMutex*) (qmutex.h:102)
==8442== by 0x80086A9: QFactoryLoader::refreshAll() (qfactoryloader.cpp:249)
==8442== by 0x802607E: QCoreApplication::addLibraryPath(QString const&) (qcoreapplication.cpp:2344)
==8442== by 0x6DE792D: QApplicationPrivate::x11_apply_settings() (qapplication_x11.cpp:927)
==8442== by 0x6DE9BAD: qt_set_x11_resources(char const*, char const*, char const*, char const*) (qapplication_x11.cpp:1111)
==8442== by 0x6DF0CB3: qt_init(QApplicationPrivate*, int, _XDisplay*, unsigned long, unsigned long) (qapplication_x11.cpp:2323)
==8442== by 0x6D4EF4D: QApplicationPrivate::construct(_XDisplay*, unsigned long, unsigned long) (qapplication.cpp:793)
==8442== by 0x6D4EABE: QApplication::QApplication(int&, char**, int) (qapplication.cpp:712)
==8442== by 0x41350F: main (tst_examples.cpp:227)a
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Conflicts:
doc/src/examples/simpletreemodel.qdoc
doc/src/examples/spinboxdelegate.qdoc
doc/src/index.qdoc
src/declarative/qml/qdeclarativeimageprovider.cpp
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The handler for one timer recurses the event loop, and the handler for
another timer removes the first timer, returning from the recursion and
the handler for the first timer causes an invalid write (since the timer
info for the first timer has been deleted).
Fix this by keeping an active reference in QTimerInfo (instead of just a
bool inTimerEvent). If this is non-zero, the timer is currently being
delivered, so we prevent more delivery. When a timer is removed and it's
activateRef is set, we clear it so that the delivery code knows now to
write to memory that's already been freed.
A side effect of this change is that we no longer need to track the
currentTimerInfo "globally" anymore, it can be a normal local variable
in the QTimerInfoList::activateTimers() function.
Task-number: QT-3553
Reviewed-by: olivier
Reviewed-by: joao
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invalid signature given.
If passed "a(b", qNormalizeType would return a pointer to the \0 at the end
of the string. We would add \0 to the result (thinking it is ',' or ')' )
And continue to process the memory after the string.
Reviewed-by: Kent Hansen
Task-number: QT-1591
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Reviewed by: David Boddie
Task: QTBUG-12313
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QTBUG-11938 and QTBUG-10801
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Reviewed-By: dt
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (75 commits)
fix macx not having UNICODE in DEFINES any more
doc: Fixed several qdoc warnings.
Fix an Assert in QTextTable
doc: Fixed several qdoc warnings.
QSslSocket: Improve error handling
qdoc: Fixed several <div> elements that had the "/>" ending.
QSslSocket: fix documentation for QSslSocket::setPeerVerifyMode()
qdoc: Fixed breadcrumbs for QML examples.
remove redundand translations project files
make projects lupdate-friendly
Timing fix for slow devices.
QNAM: Add future enum attribute for Zerocopy QNAM
fixed built-in jpeg and tiff in configure.exe, QTBUG-12093
fix indentation
fix build for -no-qt3support
Compile fix for bearermonitor example
Doc: Cleaning style and adding support for Creator
Add NTLMv2 authentication support to QAuthenticator.
QIODPLB: Sync behavior of ungetBlock() and ungetChar()
QFileIconProvider: Load icons on demand.
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Merge branch '4.7-upstream' into 4.7
Conflicts:
doc/src/declarative/advtutorial.qdoc
src/declarative/graphicsitems/qdeclarativeloader.cpp
src/declarative/graphicsitems/qdeclarativetextedit.cpp
src/declarative/qml/qdeclarativeengine.cpp
src/declarative/util/qdeclarativexmllistmodel.cpp
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This reverts commit 1e91d6b79cba488fa5c6f7d954de611903837f76.
Should not be necessary anymore after 61daa2f41969688.
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This reverts commit 0b56799601690a747c42dfbbefe95f18e837eb3f.
Should not be necessary anymore after 61daa2f41969688.
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I haven't seen the bug happening in practice, but I decided to be
safe rather than sorry.
The rationale is that if a network request comes in, the select
thread will signal the active object in the main thread, remove the
socket from the set of monitored sockets, and then go to sleep in the
waitCond.wait() call, waiting for reactivation by the
QSelectMutexGrabber. However, in
QEventDispatcherSymbian::socketFired(), if the event causes the
socket to be deleted, reactivateSocketNotifier will never be called,
and therefore the wait condition will never be terminated.
Fixed by only entering the wait condition if a grabber has already
written to the pipe, signalling that it wants the lock.
AutoTest: Passed
RevBy: Markus Goetz
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The problem happened because of a race condition in the way Qt
cancelled the select call from Open C. Under high network loads, a
network request could come in, causing the select call to end.
Afterwards, the pipe normally used to cancel the select call would
be emptied (although it was already empty). If a context switch
happened after the pipe was emptied, but before the lock was released
in waitCond.wait(), the main thread could try to grab the lock and
write to the pipe because it was unsuccessful. This would in turn
cause the next call to select to terminate immediately, and without
work to do, the select thread would go straight down to
waitCond.wait() and get stuck there.
Fixed by moving the pipe draining loop from the select thread to the
main thread, right after the lock grab. This guarantees that the
select thread is empty when returning to the select call.
Task: QT-3358
AutoTest: Passed
RevBy: Markus Goetz
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Task: QT-3358
RevBy: Markus Goetz
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
Hide some more files from git-status.
Fixed Qt symbian/linux-armcc mkspec when configured with -qtlibinfix.
Fixed symbian/linux-armcc mkspec when configured with -qtlibinfix.
Fixed deployment locations for various profiles.
Added a top-level runonphone target for Qt and QtWebKit.
QS60Style: Simplify QMenu drawing
QS60Style: Remove gap from QProgressDialog
ColorDialog is incorrectly positioned
Support for "deploy" make target in Symbian
qtguiu.def merge conflict fix
Fix for include "private/qt_s60_p.h" in non-symbian builds
Making orbit input methods work with Qt apps with -no-s60
Using the remaining valid data to construct the QTime object when msec parsing failed.
QProgressDialog text is too close to dialog border
fix for broken input method loading
Avkon Removal DEF file updates
Stub version of QS60Style
Avkon removal configured with -no-s60
QFileDialog broken in landscape in N8
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Conflicts fixed:
src/s60installs/bwins/QtGuiu.def
src/s60installs/eabi/QtGuiu.def
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Avkon dependencies can be configured out with the -no-s60 configure
flag, conversely Qt on Symbian will use Avkon if -s60 is configured.
These changes are intended to keep or introduce binary compatibility
between the s60 and no-s60 configurations. To do this, it has been
necessary to introduce stub equivalents of the CAknAppUi related
classes into the no-s60 configuration, and override all Avkon framework
virtual functions in the QS60Main... classes.
Other than that, these changes are mostly just correcting the use of
the Q_WS_S60 flag so that it only refers to Avkon dependencies.
Reviewed-by: Sami Merila
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The problem was that there was a misalignment coming from the d&d code.
That called in the end our SSE optimized functions.
This code turns out to be calling QApplication::processEvents which
in the the calls the Qt event dispatcher for windows' processEvents
function. This function will now also always align the stack to 16
bytes and be SSE ready.
Task-number: QTBUG-11880
Reviewed-by: Zeno Albisser
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Each template argument need to be normalized separately. Else, the const
type of one argument may end up moved in the first argument.
(And then the compilation of the generated moc file would fail as the types
would not match)
Reviewed-by: Kent Hansen
Task-number: QTBUG-11647
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Conflicts:
src/3rdparty/phonon/qt7/mediaobject.mm
src/3rdparty/webkit/VERSION
src/3rdparty/webkit/WebCore/ChangeLog
src/plugins/phonon/mmf/mmf.pro
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This reverts commit 5f21450a61ba2459e6dc5b08b236b15a067bf81f.
It's the wrong fix for the problem. The socket operations in the
select thread are not supposed to be thread safe. It is thread safe
between the select thread and the caller thread, but not if there are
more than one caller thread. Ensuring complete thread safety would
probably require fixes in other areas as well.
The correct fix is for the client to ensure that calls to the socket
registering functions are either serialized or contained within one
thread.
Task: QT-3358
RevBy: Aleksandar Sasha Babic
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This reverts commit 3a9ca8ba50a63e564c15023f65cbac36d365d309.
It's the wrong fix for the problem. The socket operations in the
select thread are not supposed to be thread safe. It is thread safe
between the select thread and the caller thread, but not if there are
more than one caller thread. Ensuring complete thread safety would
probably require fixes in other areas as well.
The correct fix is for the client to ensure that calls to the socket
registering functions are either serialized or contained within one
thread.
Task: QT-3496
RevBy: Aleksandar Sasha Babic
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Fixing QT-3496. There was race condition for m_AOStatuses between
external and QSelectThread.
Task-number: QT-3496
Reviewed-by: TrustMe
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GetQueueStatus(QS_TIMER) is unreliable if the application has a menu
on Windows CE. This patch uses PeekMessage(WM_TIMER) instead.
Task-number: QTBUG-10714
Reviewed-by: bhughes
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (62 commits)
Use native locale aware string comparison on Symbian.
Temporary fix for regression in QSslCertificate::fromPath()
doc: Added more DITA output to the XML generator
Fix symbian building of TARGET with a slash
Fix a minor typo in QAbstractItemModel's documentation.
QXmlSchema: allow usage of xsd:all
QSslSocket: fix build for MinGW and VS 2005
Fix symbian-abld build failure with bearer plugins
remove certificate bundle
make QSslSocket::systemCaCertificates() use system certs
Adjusted RegExp in QSslCertificate::fromPath()
Fix QSystemTrayIcon::supportsMessages() on Windows
Use NIM_SETVERSION to get the latest behavior
Cleanup obsolete stuff
doc: Added DITA XML generator
Fixed a broken merge.
Changed the way we detect touch screen on Windows.
Fixed error deploying qsymbianbearer.qtplugin on Symbian.
Revert "Attempt to fix build failure on Symbian."
Attempt to fix build failure on Symbian.
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Merge-request: 687
Reviewed-by: Andreas Kling <andreas.kling@nokia.com>
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (55 commits)
Fix symbian-abld build failure with bearer plugins
remove certificate bundle
make QSslSocket::systemCaCertificates() use system certs
Adjusted RegExp in QSslCertificate::fromPath()
Fix QSystemTrayIcon::supportsMessages() on Windows
Use NIM_SETVERSION to get the latest behavior
Cleanup obsolete stuff
doc: Added DITA XML generator
Fixed a broken merge.
Changed the way we detect touch screen on Windows.
Fixed error deploying qsymbianbearer.qtplugin on Symbian.
Revert "Attempt to fix build failure on Symbian."
Attempt to fix build failure on Symbian.
Replaced redundant "!contains" scopes in "contains(A, B) {...} !contains(A, B) {...}" constructions with "else"
Updated leading whitespace to make indentation more consistent
Updated project files so it is now possible to use "-system-zlib" configuration option on Windows and Symbian platforms.
make postgresql support sensitive to PSQL_LIBS
support for cross building Qt for MinGW (win32-g++) on Unix
use "win32-g++*" scope to match all MinGW makespecs
Demos: Fix compilation with namespace.
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (29 commits)
I10n: Update German translations for 4.7.0
Fix a freetype link failure.
Fix configure test for DirectFB
Split Symbian bearer plugin into three platform specfic plugins
Doc: Fixed whitespace in the other configuration file for zh_CN.
Doc: Fixed whitespace in the Simplified Chinese doc configuration.
Unbreak Linux build when qendian.h is included before qglobal.h
Revert accidental commit of irrelevant stuff. Silly mondays..
Unbreak Linux build when qendian.h is included before qglobal.h
Fix QApplication/QWidget to really take ownership of input contexts
Added setting a hotspot on standard gestures
Fixed GestureOverride event delivery in GraphicsView.
add check-ts target to auto-asses translation completeness
qt_ja_JP.ts => qt_ja.ts
Fix incorrect \since tag
XQuery test suite (and others): remove p4 dependency
add docu about pixmaps being invalidated on qapp destruction
remove somewhat misleading warning about x11 pixmap leak
Disabled item view items use incorrect background color
Update the mkspec for linux-icc: don't use jump tables in shlibs
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Similar to commit bc01bb10da23d0d2308cf02a16947be836bc9a21, we need to
avoid starvation of the idle time source by forcing a single, normal
priority pass after processing posted events.
Reviewed-by: ogoffart
Task-number: QT-3467
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Task-number: QTBUG-10904
Reviewed-by: Morten Engvoldsen
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It is not required to register builtin operator, but old code might
do so if a type was not builtin before.
This is the case of QVariant which became builtin only in Qt 4.7
Task-number: QTBUG-11316
Reviewed-by: Gabriel
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
QVarLenghtArray: Add typedefs for stl compatibility.
prefer QElapsedTimer over QTime
Allow to build Qt in static with mingw
Protected call to glXChooseFBConfig with appropriate defines.
Use the new OpenGL 3.* context/profile if asked with X11/GLX.
Splitted attrib_list generation into buildSpec from QGLContext::tryVisual.
Fix QTransform::map(const QPainterPath &) not working with paths that
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Merge-request: 678
Reviewed-by: Olivier Goffart <olivier.goffart@nokia.com>
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Conflicts:
src/3rdparty/webkit/VERSION
src/3rdparty/webkit/WebCore/ChangeLog
src/3rdparty/webkit/WebKit/qt/Api/qwebpage.cpp
src/3rdparty/webkit/WebKit/qt/ChangeLog
src/gui/painting/qpainter.cpp
src/gui/painting/qtextureglyphcache.cpp
src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
src/s60installs/bwins/QtGuiu.def
src/s60installs/eabi/QtCoreu.def
src/s60installs/eabi/QtGuiu.def
src/s60installs/eabi/QtNetworku.def
src/s60installs/eabi/QtOpenVGu.def
tests/auto/qfontmetrics/tst_qfontmetrics.cpp
tools/linguist/lupdate/main.cpp
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Task-number: MOBILITY-800
Reviewed-by: Aleksandar Sasha Babic
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
Fix compilation: disable -no-feature-* for bootstrapped
QString: Fix severals bugs when comparing with QStringRef
QProgressBar: make accessors const.
Changes: add patch for artificial emboldening
Added static version of QGLFramebufferObject::release().
Fix compilation on WinXP MinGW32;
Add a new qconfig feature GESTURES
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Merge-request: 535
Reviewed-by: Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com>
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/qt-s60-public:
Avoid mmap() on symbian os
Fix Qt.sis content for Symbian^3 builds
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QResource and QTranslator use mmap() on unix as an optimisation.
Symbian OS doesn't support memory mapped files, so mmap() is actually
worse than opening and reading the file yourself.
So, switched off mmap() usage on symbian.
Reviewed-by: mread
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Task-number: QTBUG-10210
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The meaning of the destinationChild parameter differs when moving
down in the same parent, contrary to statements by the previous docs.
Reviewed-by: Olivier Goffart
Merge-Request: 600
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And added an assert to ease debugging
Task-number: QTBUG-10945
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4.7-integration
* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
Doc: Removed a misleading sentence about signals.
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Reviewed-by: Stephen Kelly
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Conflicts:
demos/spectrum/app/app.pro
src/gui/egl/qegl.cpp
tests/auto/qhttpnetworkconnection/qhttpnetworkconnection.pro
tests/auto/qmenu/tst_qmenu.cpp
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Symbian platform
New socket related requests are comming into QSelectThread by
interrupting the select call by writing to pipe.
One of the criteria is that m_mutex (from QSelectThread) could be
locked, meaninig that QSelectThread is in m_waitCond.wait() call.
However, the m_mutex can be locked by other contenders trying to
post new requests in burst. This would trigger writing to pipe in
false situations, making QSelectThread to hang in waitCond as
no wakeAll will come until some next request (in future) kicks in.
Task-number: QT-3358
Reviewed-by: Janne Anttila
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