Merge branch '4.7' into mimir

12 files changed, 82 insertions, 46 deletions

diff --git a/src/corelib/arch/qatomic_arm.h b/src/corelib/arch/qatomic_arm.h
index 9df02a2..bca3375 100644
--- a/src/corelib/arch/qatomic_arm.h
+++ b/src/corelib/arch/qatomic_arm.h
@@ -107,7 +107,7 @@ Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
 
 // kernel places a restartable cmpxchg implementation at a fixed address
 extern "C" typedef int (qt_atomic_eabi_cmpxchg_int_t)(int oldval, int newval, volatile int *ptr);
-extern "C" typedef int (qt_atomic_eabi_cmpxchg_ptr_t)(void *oldval, void *newval, volatile void *ptr);
+extern "C" typedef int (qt_atomic_eabi_cmpxchg_ptr_t)(const void *oldval, const void *newval, volatile void *ptr);
 #define qt_atomic_eabi_cmpxchg_int (*reinterpret_cast<qt_atomic_eabi_cmpxchg_int_t *>(0xffff0fc0))
 #define qt_atomic_eabi_cmpxchg_ptr (*reinterpret_cast<qt_atomic_eabi_cmpxchg_ptr_t *>(0xffff0fc0)) 
 
diff --git a/src/corelib/arch/symbian/debugfunction.cpp b/src/corelib/arch/symbian/debugfunction.cpp
index f3b5d2d..31937e8 100644
--- a/src/corelib/arch/symbian/debugfunction.cpp
+++ b/src/corelib/arch/symbian/debugfunction.cpp
@@ -549,7 +549,7 @@ void ResetAllocCellLevels(TAny* aPtr, RHybridHeap::TCellType aType, TAny* aCell,
     
     if (aType == RHybridHeap::EGoodAllocatedCell)
         {
-        RHybridHeap::SDebugCell* DbgCell = (RHybridHeap::SDebugCell*)((TUint8*)aCell-RHeap::EDebugHdrSize);
+        RHybridHeap::SDebugCell* DbgCell = (RHybridHeap::SDebugCell*)((TUint8*)aCell-RHybridHeap::EDebugHdrSize);
         DbgCell->nestingLevel = 0;
         }
 }
@@ -1105,7 +1105,7 @@ void RHybridHeap::DoCheckSlab(slab* aSlab, TAllocatorType aSlabType, TAny* aBfr)
    unsigned used = SlabHeaderUsedm4(h)+4;
    unsigned size = SlabHeaderSize(h);
    __HEAP_CORRUPTED_TEST( (used < SLABSIZE),ETHeapBadCellAddress, aBfr, aSlab);
-   __HEAP_CORRUPTED_TEST( ((size > 3 ) && (size < MAXSLABSIZE)), ETHeapBadCellAddress,aBfr,aSlab);         
+   __HEAP_CORRUPTED_TEST( ((size > 3 ) && (size <= MAXSLABSIZE)), ETHeapBadCellAddress,aBfr,aSlab);
 	unsigned count = 0;
 
 	switch ( aSlabType )
diff --git a/src/corelib/arch/symbian/heap_hybrid_p.h b/src/corelib/arch/symbian/heap_hybrid_p.h
index 736af72..95fb3d4 100644
--- a/src/corelib/arch/symbian/heap_hybrid_p.h
+++ b/src/corelib/arch/symbian/heap_hybrid_p.h
@@ -103,11 +103,15 @@ public:
 		EGetSize=48, EGetMaxLength, EGetBase, EAlignInteger, EAlignAddr
 		};
 	enum TDebugOp { EWalk = 128, EHybridHeap };
-	enum TAllocFail
+	enum THybridAllocFail
 		{
 		ERandom, ETrueRandom, EDeterministic, EHybridNone, EFailNext, EReset, EBurstRandom,
 		EBurstTrueRandom, EBurstDeterministic, EBurstFailNext, ECheckFailure,
 		};
+	enum { EDebugHdrSize = sizeof(SDebugCell) };
+#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
+	struct SRAllocatorBurstFail {TInt iBurst; TInt iRate; TInt iUnused[2];};
+#endif
 
 	struct HeapInfo
 		{
diff --git a/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h b/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h
index 5827aca..36c7b6d 100644
--- a/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h
+++ b/src/corelib/arch/symbian/qt_hybridheap_symbian_p.h
@@ -90,7 +90,7 @@
 // disabling code ported from Symbian^4 that we don't want/can't have in earlier platforms
 #define QT_SYMBIAN4_ALLOCATOR_UNWANTED_CODE
 
-#if defined(SYMBIAN_VERSION_9_2) || defined(SYMBIAN_VERSION_9_1)
+#if defined(SYMBIAN_VERSION_9_1) || defined(SYMBIAN_VERSION_9_2) || defined(SYMBIAN_VERSION_9_3) || defined(SYMBIAN_VERSION_9_4) || defined(SYMBIAN_VERSION_SYMBIAN2)
 #define NO_NAMED_LOCAL_CHUNKS
 #endif
 
@@ -100,6 +100,9 @@ inline int noBTrace() {return 0;}
 #define BTraceContext12(a,b,c,d,e) noBTrace()
 #endif
 
+// declare ETHeapBadDebugFailParameter, where missing
+#define ETHeapBadDebugFailParameter ((TCdtPanic)213)
+
 #ifndef QT_SYMBIAN_HAVE_U32STD_H
 struct SThreadCreateInfo
     {
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 32e85db..1c41eca 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -2771,7 +2771,7 @@
     \value ElideNone    Ellipsis should NOT appear in the text.
 
     Qt::ElideMiddle is normally the most appropriate choice for URLs (e.g.,
-    "\l{http://qt.nokia.com/careers/movingto/brisbane/}{http://qt.nok...ovingto/brisbane/}"),
+    "\l{http://bugreports.qt.nokia.com/browse/QTWEBSITE-13}{http://bugreports.qt.../QTWEBSITE-13/}"),
     whereas Qt::ElideRight is appropriate
     for other strings (e.g.,
     "\l{http://qt.nokia.com/doc/qq/qq09-mac-deployment.html}{Deploying Applications on Ma...}").
diff --git a/src/corelib/kernel/qabstractitemmodel.cpp b/src/corelib/kernel/qabstractitemmodel.cpp
index 9a99ea1..6e37aee 100644
--- a/src/corelib/kernel/qabstractitemmodel.cpp
+++ b/src/corelib/kernel/qabstractitemmodel.cpp
@@ -1336,14 +1336,13 @@ void QAbstractItemModelPrivate::columnsRemoved(const QModelIndex &parent,
     layoutChanged(). In other words, when the structure changes:
 
     \list
-        \o  Call beginLayoutChanged()
+        \o  emit layoutAboutToBeChanged
         \o  Remember the QModelIndex that will change
         \o  Update your internal data
         \o  Call changePersistentIndex()
-        \o  Call endLayoutChanged()
+        \o  emit layoutChanged
     \endlist
 
-
     \sa layoutAboutToBeChanged(), dataChanged(), headerDataChanged(), modelReset(),
         changePersistentIndex()
 */
diff --git a/src/corelib/plugin/quuid.cpp b/src/corelib/plugin/quuid.cpp
index 6c1b6e7..983d249 100644
--- a/src/corelib/plugin/quuid.cpp
+++ b/src/corelib/plugin/quuid.cpp
@@ -582,48 +582,65 @@ QT_BEGIN_INCLUDE_NAMESPACE
 #include <stdlib.h> // for RAND_MAX
 QT_END_INCLUDE_NAMESPACE
 
+#if !defined(QT_BOOTSTRAPPED) && defined(Q_OS_UNIX)
+Q_GLOBAL_STATIC(QThreadStorage<QFile *>, devUrandomStorage);
+#endif
+
 QUuid QUuid::createUuid()
 {
     QUuid result;
     uint *data = &(result.data1);
 
-#ifdef Q_OS_UNIX
-    QFile devUrandom;
-    devUrandom.setFileName(QLatin1String("/dev/urandom"));
-    if (devUrandom.open(QIODevice::ReadOnly)) {
-        qint64 numToRead = 4 * sizeof(uint);
-        devUrandom.read((char *) data, numToRead); // should read 128-bits of data
+#if defined(Q_OS_UNIX)
+    QFile *devUrandom;
+#  if !defined(QT_BOOTSTRAPPED)
+    devUrandom = devUrandomStorage()->localData();
+    if (!devUrandom) {
+        devUrandom = new QFile(QLatin1String("/dev/urandom"));
+        devUrandom->open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+        devUrandomStorage()->setLocalData(devUrandom);
+    }
+# else
+    QFile file(QLatin1String("/dev/urandom"));
+    devUrandom = &file;
+    devUrandom->open(QIODevice::ReadOnly | QIODevice::Unbuffered);
+# endif
+    enum { AmountToRead = 4 * sizeof(uint) };
+    if (devUrandom->isOpen()
+        && devUrandom->read((char *) data, AmountToRead) == AmountToRead) {
+        // we got what we wanted, nothing more to do
+        ;
     } else
 #endif
     {
         static const int intbits = sizeof(int)*8;
         static int randbits = 0;
         if (!randbits) {
-        int r = 0;
+            int r = 0;
             int max = RAND_MAX;
             do { ++r; } while ((max=max>>1));
             randbits = r;
         }
 
-    // Seed the PRNG once per thread with a combination of current time, a
-    // stack address and a serial counter (since thread stack addresses are
-    // re-used).
+        // Seed the PRNG once per thread with a combination of current time, a
+        // stack address and a serial counter (since thread stack addresses are
+        // re-used).
 #ifndef QT_BOOTSTRAPPED
-    static QThreadStorage<int *> uuidseed;
-    if (!uuidseed.hasLocalData())
-    {
-        int *pseed = new int;
-        static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(2);
-        qsrand(*pseed = QDateTime::currentDateTime().toTime_t()
-                        + quintptr(&pseed)
-                        + serial.fetchAndAddRelaxed(1));
-        uuidseed.setLocalData(pseed);
-    }
+        static QThreadStorage<int *> uuidseed;
+        if (!uuidseed.hasLocalData())
+        {
+            int *pseed = new int;
+            static QBasicAtomicInt serial = Q_BASIC_ATOMIC_INITIALIZER(2);
+            qsrand(*pseed = QDateTime::currentDateTime().toTime_t()
+                   + quintptr(&pseed)
+                   + serial.fetchAndAddRelaxed(1));
+            uuidseed.setLocalData(pseed);
+        }
 #else
-    static bool seeded = false;
-    if (!seeded)
-        qsrand(QDateTime::currentDateTime().toTime_t()
-               + quintptr(&seeded));
+        static bool seeded = false;
+        if (!seeded)
+            qsrand(QDateTime::currentDateTime().toTime_t()
+                   + quintptr(&seeded));
 #endif
 
         int chunks = 16 / sizeof(uint);
@@ -631,7 +648,7 @@ QUuid QUuid::createUuid()
             uint randNumber = 0;
             for (int filled = 0; filled < intbits; filled += randbits)
                 randNumber |= qrand()<<filled;
-             *(data+chunks) = randNumber;
+            *(data+chunks) = randNumber;
         }
     }
 
diff --git a/src/corelib/thread/qthreadstorage.cpp b/src/corelib/thread/qthreadstorage.cpp
index 88d73cc..2fc04f5 100644
--- a/src/corelib/thread/qthreadstorage.cpp
+++ b/src/corelib/thread/qthreadstorage.cpp
@@ -79,6 +79,21 @@ QThreadStorageData::QThreadStorageData(void (*func)(void *))
 {
     QMutexLocker locker(mutex());
     DestructorMap *destr = destructors();
+    if (!destr) {
+        /*
+         the destructors vector has already been destroyed, yet a new
+         QThreadStorage is being allocated. this can only happen during global
+         destruction, at which point we assume that there is only one thread.
+         in order to keep QThreadStorage working, we need somewhere to store
+         the data, best place we have in this situation is at the tail of the
+         current thread's tls vector. the destructor is ignored, since we have
+         no where to store it, and no way to actually call it.
+         */
+        QThreadData *data = QThreadData::current();
+        id = data->tls.count();
+        DEBUG_MSG("QThreadStorageData: Allocated id %d, destructor %p cannot be stored", id, func);
+        return;
+    }
     for (id = 0; id < destr->count(); id++) {
         if (destr->at(id) == 0)
             break;
@@ -139,13 +154,15 @@ void **QThreadStorageData::set(void *p)
                 data->thread);
 
         QMutexLocker locker(mutex());
-        void (*destructor)(void *) = destructors()->value(id);
+        DestructorMap *destr = destructors();
+        void (*destructor)(void *) = destr ? destr->value(id) : 0;
         locker.unlock();
 
         void *q = value;
         value = 0;
 
-        destructor(q);
+        if (destructor)
+            destructor(q);
     }
 
     // store new data
diff --git a/src/corelib/tools/qelapsedtimer.cpp b/src/corelib/tools/qelapsedtimer.cpp
index cb5e701..ee7c9b9 100644
--- a/src/corelib/tools/qelapsedtimer.cpp
+++ b/src/corelib/tools/qelapsedtimer.cpp
@@ -83,7 +83,7 @@ QT_BEGIN_NAMESPACE
     function, which can be used to determine if a certain number of
     milliseconds has already elapsed:
 
-    \snippet doc/src/snippets/qelapsedtimer/main.cpp 1
+    \snippet doc/src/snippets/qelapsedtimer/main.cpp 2
 
     \section1 Reference clocks
 
diff --git a/src/corelib/tools/qregexp.cpp b/src/corelib/tools/qregexp.cpp
index 36827d0..a8bf38f 100644
--- a/src/corelib/tools/qregexp.cpp
+++ b/src/corelib/tools/qregexp.cpp
@@ -74,10 +74,6 @@ int qFindString(const QChar *haystack, int haystackLen, int from,
 #define RXERR_INTERVAL   QT_TRANSLATE_NOOP("QRegExp", "invalid interval")
 #define RXERR_CATEGORY   QT_TRANSLATE_NOOP("QRegExp", "invalid category")
 
-/*
-  WARNING! Be sure to read qregexp.tex before modifying this file.
-*/
-
 /*!
     \class QRegExp
     \reentrant
diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp
index 5fac960..0310baa 100644
--- a/src/corelib/tools/qsharedpointer.cpp
+++ b/src/corelib/tools/qsharedpointer.cpp
@@ -395,7 +395,7 @@
 
     \section1 Tracking QObject
 
-    QWeakPointer can be used to track deletion classes derives from QObject,
+    QWeakPointer can be used to track deletion classes that derive from QObject,
     even if they are not managed by QSharedPointer. When used in that role,
     QWeakPointer replaces the older QPointer in all use-cases. QWeakPointer
     is also more efficient than QPointer, so it should be preferred in all
@@ -1163,7 +1163,7 @@
     \since 4.6
 
     \brief The qSharedPointerObjectCast function is for casting a shared pointer.
-    
+
     Returns a shared pointer to the pointer held by \a other, using a
     \l qobject_cast() to type \tt X to obtain an internal pointer of the
     appropriate type. If the \tt qobject_cast fails, the object
@@ -1432,7 +1432,7 @@ void QtSharedPointer::internalSafetyCheckAdd2(const void *d_ptr, const volatile
     Q_ASSERT(!kp->dPointers.contains(d_ptr));
 
     //qDebug("Adding d=%p value=%p", d_ptr, ptr);
-    
+
     const void *other_d_ptr = kp->dataPointers.value(ptr, 0);
     if (other_d_ptr) {
 #  ifdef BACKTRACE_SUPPORTED
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index d1060d2..d8dab43 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -565,7 +565,7 @@ const QString::Null QString::null = { };
     and join a list of strings into a single string with an optional
     separator using QStringList::join(). You can obtain a list of
     strings from a string list that contain a particular substring or
-    that match a particular QRegExp using the QStringList::find()
+    that match a particular QRegExp using the QStringList::filter()
     function.
 :
     \section1 Querying String Data
@@ -4275,7 +4275,7 @@ QString& QString::fill(QChar ch, int size)
     Returns the number of characters in this string.  Equivalent to
     size().
 
-    \sa setLength()
+    \sa resize()
 */
 
 /*!