diff options
author | Simon Hausmann <simon.hausmann@qt.io> | 2019-06-26 11:32:55 +0200 |
---|---|---|
committer | Simon Hausmann <simon.hausmann@qt.io> | 2019-06-26 11:33:19 +0200 |
commit | 7810209ba32fcebfa90b081670595daaa5333a78 (patch) | |
tree | 98410d5cc7d9d762bbde0cb4eae8041aa6e2e542 /src/corelib/kernel/qcoreapplication.cpp | |
parent | 6f2eabb54e3f827ebd2b90f68144b86342933869 (diff) | |
parent | 88625709058b386ee74cca536c6c5556159c99fa (diff) |
Merge remote-tracking branch 'origin/dev' into wip/qt6
Change-Id: I4ea2b77cc201daed94fbe321f146dfd20365a534
Diffstat (limited to 'src/corelib/kernel/qcoreapplication.cpp')
-rw-r--r-- | src/corelib/kernel/qcoreapplication.cpp | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp index 865e16a3f0..9bc3fea23b 100644 --- a/src/corelib/kernel/qcoreapplication.cpp +++ b/src/corelib/kernel/qcoreapplication.cpp @@ -120,6 +120,7 @@ #ifdef Q_OS_WASM #include <emscripten.h> +#include <emscripten/val.h> #endif #ifdef QT_BOOTSTRAPPED @@ -216,11 +217,11 @@ QString QCoreApplicationPrivate::appVersion() const } #endif -QString *QCoreApplicationPrivate::cachedApplicationFilePath = 0; +QString *QCoreApplicationPrivate::cachedApplicationFilePath = nullptr; bool QCoreApplicationPrivate::checkInstance(const char *function) { - bool b = (QCoreApplication::self != 0); + bool b = (QCoreApplication::self != nullptr); if (!b) qWarning("QApplication::%s: Please instantiate the QApplication object first", function); return b; @@ -257,7 +258,7 @@ void QCoreApplicationPrivate::processCommandLineArguments() } if (j < argc) { - argv[j] = 0; + argv[j] = nullptr; argc = j; } } @@ -367,11 +368,11 @@ Q_CORE_EXPORT uint qGlobalPostedEventsCount() return currentThreadData->postEventList.size() - currentThreadData->postEventList.startOffset; } -QAbstractEventDispatcher *QCoreApplicationPrivate::eventDispatcher = 0; +QAbstractEventDispatcher *QCoreApplicationPrivate::eventDispatcher = nullptr; #endif // QT_NO_QOBJECT -QCoreApplication *QCoreApplication::self = 0; +QCoreApplication *QCoreApplication::self = nullptr; uint QCoreApplicationPrivate::attribs = (1 << Qt::AA_SynthesizeMouseForUnhandledTouchEvents) | (1 << Qt::AA_SynthesizeMouseForUnhandledTabletEvents); @@ -455,12 +456,12 @@ QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint , aboutToQuitEmitted(false) , threadData_clean(false) #else - , q_ptr(0) + , q_ptr(nullptr) #endif { app_compile_version = flags & 0xffffff; static const char *const empty = ""; - if (argc == 0 || argv == 0) { + if (argc == 0 || argv == nullptr) { argc = 0; argv = const_cast<char **>(&empty); } @@ -551,8 +552,8 @@ void QCoreApplicationPrivate::eventDispatcherReady() QBasicAtomicPointer<QThread> QCoreApplicationPrivate::theMainThread = Q_BASIC_ATOMIC_INITIALIZER(0); QThread *QCoreApplicationPrivate::mainThread() { - Q_ASSERT(theMainThread.load() != 0); - return theMainThread.load(); + Q_ASSERT(theMainThread.loadRelaxed() != 0); + return theMainThread.loadRelaxed(); } bool QCoreApplicationPrivate::threadRequiresCoreApplication() @@ -799,6 +800,10 @@ void QCoreApplicationPrivate::init() Module.print(err); }); ); + +#if QT_CONFIG(thread) + QThreadPrivate::idealThreadCount = emscripten::val::global("navigator")["hardwareConcurrency"].as<int>(); +#endif #endif // Store app name/version (so they're still available after QCoreApplication is destroyed) @@ -849,7 +854,7 @@ void QCoreApplicationPrivate::init() #ifndef QT_NO_QOBJECT // use the event dispatcher created by the app programmer (if any) Q_ASSERT(!eventDispatcher); - eventDispatcher = threadData->eventDispatcher.load(); + eventDispatcher = threadData->eventDispatcher.loadRelaxed(); // otherwise we create one if (!eventDispatcher) @@ -886,7 +891,7 @@ QCoreApplication::~QCoreApplication() { qt_call_post_routines(); - self = 0; + self = nullptr; #ifndef QT_NO_QOBJECT QCoreApplicationPrivate::is_app_closing = true; QCoreApplicationPrivate::is_app_running = false; @@ -894,7 +899,7 @@ QCoreApplication::~QCoreApplication() #if QT_CONFIG(thread) // Synchronize and stop the global thread pool threads. - QThreadPool *globalThreadPool = 0; + QThreadPool *globalThreadPool = nullptr; QT_TRY { globalThreadPool = QThreadPool::globalInstance(); } QT_CATCH (...) { @@ -905,10 +910,10 @@ QCoreApplication::~QCoreApplication() #endif #ifndef QT_NO_QOBJECT - d_func()->threadData->eventDispatcher = 0; + d_func()->threadData->eventDispatcher = nullptr; if (QCoreApplicationPrivate::eventDispatcher) QCoreApplicationPrivate::eventDispatcher->closingDown(); - QCoreApplicationPrivate::eventDispatcher = 0; + QCoreApplicationPrivate::eventDispatcher = nullptr; #endif #if QT_CONFIG(library) @@ -972,7 +977,11 @@ void QCoreApplication::setAttribute(Qt::ApplicationAttribute attribute, bool on) QCoreApplicationPrivate::attribs |= 1 << attribute; else QCoreApplicationPrivate::attribs &= ~(1 << attribute); +#if defined(QT_NO_QOBJECT) if (Q_UNLIKELY(qApp)) { +#else + if (Q_UNLIKELY(QCoreApplicationPrivate::is_app_running)) { +#endif switch (attribute) { case Qt::AA_EnableHighDpiScaling: case Qt::AA_DisableHighDpiScaling: @@ -1297,7 +1306,7 @@ void QCoreApplication::processEvents(QEventLoop::ProcessEventsFlags flags) QThreadData *data = QThreadData::current(); if (!data->hasEventDispatcher()) return; - data->eventDispatcher.load()->processEvents(flags); + data->eventDispatcher.loadRelaxed()->processEvents(flags); } /*! @@ -1329,7 +1338,7 @@ void QCoreApplication::processEvents(QEventLoop::ProcessEventsFlags flags, int m return; QElapsedTimer start; start.start(); - while (data->eventDispatcher.load()->processEvents(flags & ~QEventLoop::WaitForMoreEvents)) { + while (data->eventDispatcher.loadRelaxed()->processEvents(flags & ~QEventLoop::WaitForMoreEvents)) { if (start.elapsed() > ms) break; } @@ -1733,7 +1742,7 @@ void QCoreApplicationPrivate::sendPostedEvents(QObject *receiver, int event_type --data->postEventList.recursion; if (!data->postEventList.recursion && !data->canWait && data->hasEventDispatcher()) - data->eventDispatcher.load()->wakeUp(); + data->eventDispatcher.loadRelaxed()->wakeUp(); // clear the global list, i.e. remove everything that was // delivered. @@ -1984,7 +1993,7 @@ void QCoreApplicationPrivate::deref() void QCoreApplicationPrivate::maybeQuit() { - if (quitLockRef.load() == 0 && in_exec && quitLockRefEnabled && shouldQuit()) + if (quitLockRef.loadRelaxed() == 0 && in_exec && quitLockRefEnabled && shouldQuit()) QCoreApplication::postEvent(QCoreApplication::instance(), new QEvent(QEvent::Quit)); } @@ -2953,7 +2962,7 @@ bool QCoreApplication::hasPendingEvents() QAbstractEventDispatcher *QCoreApplication::eventDispatcher() { if (QCoreApplicationPrivate::theMainThread) - return QCoreApplicationPrivate::theMainThread.load()->eventDispatcher(); + return QCoreApplicationPrivate::theMainThread.loadRelaxed()->eventDispatcher(); return 0; } |