Merge "Merge branch 'dev' into stable" into refs/staging/stable

34 files changed, 117 insertions, 109 deletions

diff --git a/src/corelib/thread/qatomic.cpp b/src/corelib/thread/qatomic.cpp
index 1c83f23df0..11623f80dc 100644
--- a/src/corelib/thread/qatomic.cpp
+++ b/src/corelib/thread/qatomic.cpp
@@ -49,7 +49,7 @@
 
     For atomic operations on pointers, see the QAtomicPointer class.
 
-    An \e atomic operation is a complex operation that completes without interruption. 
+    An \e atomic operation is a complex operation that completes without interruption.
     The QAtomicInt class provides atomic reference counting, test-and-set, fetch-and-store,
     and fetch-and-add for integers.
 
diff --git a/src/corelib/thread/qatomic.h b/src/corelib/thread/qatomic.h
index 06cee4894e..1ccaecc135 100644
--- a/src/corelib/thread/qatomic.h
+++ b/src/corelib/thread/qatomic.h
@@ -46,8 +46,6 @@
 
 #include <QtCore/qbasicatomic.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -220,6 +218,4 @@ inline void qAtomicDetach(T *&d)
 }
 
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #endif // QATOMIC_H
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h
index 70b69827c2..b5a402857c 100644
--- a/src/corelib/thread/qbasicatomic.h
+++ b/src/corelib/thread/qbasicatomic.h
@@ -44,7 +44,7 @@
 #ifndef QBASICATOMIC_H
 #define QBASICATOMIC_H
 
-#if defined(QT_MOC) || defined(QT_BUILD_QMAKE) || defined(QT_RCC) || defined(QT_UIC) || defined(QT_BOOTSTRAPPED)
+#if defined(QT_BOOTSTRAPPED)
 #  include <QtCore/qatomic_bootstrap.h>
 
 // Compiler dependent implementation
@@ -101,15 +101,11 @@
 // Only include if the implementation has been ported to QAtomicOps
 #ifndef QOLDBASICATOMIC_H
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 #if 0
 // silence syncqt warnings
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #pragma qt_no_master_include
 #pragma qt_sync_stop_processing
 #endif
@@ -271,8 +267,6 @@ public:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QOLDBASICATOMIC_H
 
 #endif // QBASICATOMIC_H
diff --git a/src/corelib/thread/qexception.cpp b/src/corelib/thread/qexception.cpp
index 263f7d19fe..0c17399d33 100644
--- a/src/corelib/thread/qexception.cpp
+++ b/src/corelib/thread/qexception.cpp
@@ -47,7 +47,7 @@
 
 QT_BEGIN_NAMESPACE
 
-/*! 
+/*!
     \class QException
     \inmodule QtCore
     \brief The QException class provides a base class for exceptions that can transferred across threads.
@@ -91,7 +91,7 @@ QT_BEGIN_NAMESPACE
     \snippet code/src_corelib_thread_qexception.cpp 3
 */
 
-/*! 
+/*!
     \class QUnhandledException
     \inmodule QtCore
 
diff --git a/src/corelib/thread/qexception.h b/src/corelib/thread/qexception.h
index fa944ce69d..accf0fc7b4 100644
--- a/src/corelib/thread/qexception.h
+++ b/src/corelib/thread/qexception.h
@@ -53,7 +53,6 @@
 #  include <exception>
 #endif
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -116,7 +115,6 @@ public:
 #endif // QT_NO_EXCEPTIONS
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif // QT_NO_QFUTURE
 
diff --git a/src/corelib/thread/qfuture.h b/src/corelib/thread/qfuture.h
index d9c4f1af77..8071e80d1b 100644
--- a/src/corelib/thread/qfuture.h
+++ b/src/corelib/thread/qfuture.h
@@ -49,7 +49,6 @@
 #include <QtCore/qfutureinterface.h>
 #include <QtCore/qstring.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -269,7 +268,6 @@ QFuture<void> qToVoidFuture(const QFuture<T> &future)
 }
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif // QT_NO_QFUTURE
 
diff --git a/src/corelib/thread/qfuture.qdoc b/src/corelib/thread/qfuture.qdoc
index 4ab28e81b2..421e683c4a 100644
--- a/src/corelib/thread/qfuture.qdoc
+++ b/src/corelib/thread/qfuture.qdoc
@@ -58,7 +58,7 @@
     use the isResultReadyAt() function to determine if a result is ready or
     not. For QFuture objects that report more than one result, the
     resultCount() function returns the number of continuous results. This
-    means that it is always safe to iterate through the results from 0 to 
+    means that it is always safe to iterate through the results from 0 to
     resultCount().
 
     QFuture provides a \l{Java-style iterators}{Java-style iterator}
diff --git a/src/corelib/thread/qfutureinterface.cpp b/src/corelib/thread/qfutureinterface.cpp
index f5590d95f8..0f7d04a7c5 100644
--- a/src/corelib/thread/qfutureinterface.cpp
+++ b/src/corelib/thread/qfutureinterface.cpp
@@ -288,7 +288,7 @@ void QFutureInterfaceBase::waitForResult(int resultIndex)
         return;
     lock.unlock();
 
-    // To avoid deadlocks and reduce the number of threads used, try to 
+    // To avoid deadlocks and reduce the number of threads used, try to
     // run the runnable in the current thread.
     QThreadPool::globalInstance()->d_func()->stealRunnable(d->runnable);
 
diff --git a/src/corelib/thread/qfutureinterface.h b/src/corelib/thread/qfutureinterface.h
index 6ab1409f55..e0a59697a1 100644
--- a/src/corelib/thread/qfutureinterface.h
+++ b/src/corelib/thread/qfutureinterface.h
@@ -50,7 +50,6 @@
 #include <QtCore/qexception.h>
 #include <QtCore/qresultstore.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -235,7 +234,7 @@ inline void QFutureInterface<T>::reportResults(const QVector<T> &_results, int b
         this->reportResultsReady(resultCountBefore, store.count());
     } else {
         const int insertIndex = store.addResults(beginIndex, &_results, count);
-        this->reportResultsReady(insertIndex, insertIndex + _results.count());    
+        this->reportResultsReady(insertIndex, insertIndex + _results.count());
     }
 }
 
@@ -310,8 +309,6 @@ public:
 };
 
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #endif // QT_NO_QFUTURE
 
 #endif // QFUTUREINTERFACE_H
diff --git a/src/corelib/thread/qfuturesynchronizer.h b/src/corelib/thread/qfuturesynchronizer.h
index 60960f7711..39dbfc52a8 100644
--- a/src/corelib/thread/qfuturesynchronizer.h
+++ b/src/corelib/thread/qfuturesynchronizer.h
@@ -46,7 +46,6 @@
 
 #ifndef QT_NO_QFUTURE
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -81,7 +80,7 @@ public:
                  m_futures[i].cancel();
             }
         }
-        
+
         for (int i = 0; i < m_futures.count(); ++i) {
              m_futures[i].waitForFinished();
          }
@@ -113,8 +112,6 @@ protected:
 };
 
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #endif // QT_NO_QFUTURE
 
 #endif // QFUTURESYNCHRONIZER_H
diff --git a/src/corelib/thread/qfuturewatcher.h b/src/corelib/thread/qfuturewatcher.h
index d41b6139b6..c78ed7a83b 100644
--- a/src/corelib/thread/qfuturewatcher.h
+++ b/src/corelib/thread/qfuturewatcher.h
@@ -48,7 +48,6 @@
 
 #include <QtCore/qobject.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -215,8 +214,6 @@ Q_INLINE_TEMPLATE void QFutureWatcher<void>::setFuture(const QFuture<void> &_fut
 }
 
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #endif // QT_NO_QFUTURE
 
 #endif // QFUTUREWATCHER_H
diff --git a/src/corelib/thread/qgenericatomic.h b/src/corelib/thread/qgenericatomic.h
index 90f0223ccf..a0a851eabb 100644
--- a/src/corelib/thread/qgenericatomic.h
+++ b/src/corelib/thread/qgenericatomic.h
@@ -44,14 +44,12 @@
 
 #include <QtCore/qglobal.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 #if 0
 // silence syncqt warnings
 QT_END_NAMESPACE
-QT_END_HEADER
-
+#pragma qt_sync_skip_header_check
 #pragma qt_sync_stop_processing
 #endif
 
@@ -241,6 +239,4 @@ template <typename BaseClass> struct QGenericAtomicOps
 #undef always_inline
 
 QT_END_NAMESPACE
-QT_END_HEADER
-
 #endif // QGENERICATOMIC_H
diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h
index 94bcdd1750..0bca0def22 100644
--- a/src/corelib/thread/qmutex.h
+++ b/src/corelib/thread/qmutex.h
@@ -46,8 +46,6 @@
 #include <QtCore/qatomic.h>
 #include <new>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -211,6 +209,4 @@ typedef QMutex QBasicMutex;
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QMUTEX_H
diff --git a/src/corelib/thread/qmutex_p.h b/src/corelib/thread/qmutex_p.h
index 1b8bcd6b3a..bec2d934c1 100644
--- a/src/corelib/thread/qmutex_p.h
+++ b/src/corelib/thread/qmutex_p.h
@@ -70,6 +70,8 @@
 #  define QT_LINUX_FUTEX
 #endif
 
+struct timespec;
+
 QT_BEGIN_NAMESPACE
 
 class QMutexData
@@ -137,6 +139,13 @@ public:
 #endif //QT_LINUX_FUTEX
 
 
+#ifdef Q_OS_UNIX
+// helper functions for qmutex_unix.cpp and qwaitcondition_unix.cpp
+// they are in qwaitcondition_unix.cpp actually
+void qt_initialize_pthread_cond(pthread_cond_t *cond, const char *where);
+void qt_abstime_for_timeout(struct timespec *ts, int timeout);
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QMUTEX_P_H
diff --git a/src/corelib/thread/qmutex_unix.cpp b/src/corelib/thread/qmutex_unix.cpp
index ef030cb49a..2f8c2e1dc8 100644
--- a/src/corelib/thread/qmutex_unix.cpp
+++ b/src/corelib/thread/qmutex_unix.cpp
@@ -42,11 +42,14 @@
 #include "qplatformdefs.h"
 #include "qmutex.h"
 #include "qstring.h"
+#include "qelapsedtimer.h"
 
 #ifndef QT_NO_THREAD
 #include "qatomic.h"
 #include "qmutex_p.h"
 #include <errno.h>
+#include <sys/time.h>
+#include <time.h>
 
 #if defined(Q_OS_VXWORKS) && defined(wakeup)
 #undef wakeup
@@ -64,7 +67,7 @@ QMutexPrivate::QMutexPrivate()
     : wakeup(false)
 {
     report_error(pthread_mutex_init(&mutex, NULL), "QMutex", "mutex init");
-    report_error(pthread_cond_init(&cond, NULL), "QMutex", "cv init");
+    qt_initialize_pthread_cond(&cond, "QMutex");
 }
 
 QMutexPrivate::~QMutexPrivate()
@@ -81,12 +84,8 @@ bool QMutexPrivate::wait(int timeout)
         if (timeout < 0) {
             errorCode = pthread_cond_wait(&cond, &mutex);
         } else {
-            struct timeval tv;
-            gettimeofday(&tv, 0);
             timespec ti;
-            ti.tv_nsec = (tv.tv_usec + (timeout % 1000) * 1000) * 1000;
-            ti.tv_sec = tv.tv_sec + (timeout / 1000) + (ti.tv_nsec / 1000000000);
-            ti.tv_nsec %= 1000000000;
+            qt_abstime_for_timeout(&ti, timeout);
             errorCode = pthread_cond_timedwait(&cond, &mutex, &ti);
         }
         if (errorCode) {
diff --git a/src/corelib/thread/qoldbasicatomic.h b/src/corelib/thread/qoldbasicatomic.h
index 15785e2232..b755256ff7 100644
--- a/src/corelib/thread/qoldbasicatomic.h
+++ b/src/corelib/thread/qoldbasicatomic.h
@@ -44,16 +44,13 @@
 
 #include <QtCore/qglobal.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
 #if 0
 // silence syncqt warnings
 QT_END_NAMESPACE
-QT_END_HEADER
-
+#pragma qt_sync_skip_header_check
 #pragma qt_no_master_include
 #pragma qt_sync_stop_processing
 #endif
@@ -142,6 +139,5 @@ public:
 #define Q_BASIC_ATOMIC_INITIALIZER(a) { (a) }
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif // QOLDBASICATOMIC_H
diff --git a/src/corelib/thread/qreadwritelock.cpp b/src/corelib/thread/qreadwritelock.cpp
index b6bb22b314..0de826fddf 100644
--- a/src/corelib/thread/qreadwritelock.cpp
+++ b/src/corelib/thread/qreadwritelock.cpp
@@ -93,7 +93,7 @@ QT_BEGIN_NAMESPACE
     \sa QReadLocker, QWriteLocker, QMutex, QSemaphore
 */
 
-/*! 
+/*!
     \enum QReadWriteLock::RecursionMode
     \since 4.4
 
diff --git a/src/corelib/thread/qreadwritelock.h b/src/corelib/thread/qreadwritelock.h
index 8217d4eacd..6815878ec5 100644
--- a/src/corelib/thread/qreadwritelock.h
+++ b/src/corelib/thread/qreadwritelock.h
@@ -44,8 +44,6 @@
 
 #include <QtCore/qglobal.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -231,6 +229,4 @@ private:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QREADWRITELOCK_H
diff --git a/src/corelib/thread/qresultstore.cpp b/src/corelib/thread/qresultstore.cpp
index 940fd45027..65c2437064 100644
--- a/src/corelib/thread/qresultstore.cpp
+++ b/src/corelib/thread/qresultstore.cpp
@@ -97,7 +97,7 @@ bool ResultIteratorBase::canIncrementVectorIndex() const
     return (m_vectorIndex + 1 < mapIterator.value().m_count);
 }
 
-ResultStoreBase::ResultStoreBase() 
+ResultStoreBase::ResultStoreBase()
     : insertIndex(0), resultCount(0), m_filterMode(false), filteredResults(0) { }
 
 void ResultStoreBase::setFilterMode(bool enable)
@@ -148,7 +148,7 @@ void ResultStoreBase::syncPendingResults()
     // check if we can insert any of the pending results:
     QMap<int, ResultItem>::iterator it = pendingResults.begin();
     while (it != pendingResults.end()) {
-        int index = it.key(); 
+        int index = it.key();
         if (index != resultCount + filteredResults)
             break;
 
@@ -165,7 +165,7 @@ int ResultStoreBase::addResult(int index, const void *result)
     return insertResultItem(index, resultItem);
 }
 
-int ResultStoreBase::addResults(int index, const void *results, int vectorSize, int totalCount) 
+int ResultStoreBase::addResults(int index, const void *results, int vectorSize, int totalCount)
 {
     if (m_filterMode == false || vectorSize == totalCount) {
         ResultItem resultItem(results, vectorSize);
@@ -218,7 +218,7 @@ ResultIteratorBase ResultStoreBase::resultAt(int index) const
     }
 
     const int vectorIndex = index - it.key();
-    
+
     if (vectorIndex >= it.value().count())
         return ResultIteratorBase(m_results.end());
     else if (it.value().isVector() == false && vectorIndex != 0)
diff --git a/src/corelib/thread/qresultstore.h b/src/corelib/thread/qresultstore.h
index 8c1787bc11..11ce23936d 100644
--- a/src/corelib/thread/qresultstore.h
+++ b/src/corelib/thread/qresultstore.h
@@ -49,7 +49,6 @@
 #include <QtCore/qmap.h>
 #include <QtCore/qdebug.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -149,7 +148,7 @@ protected:
     bool m_filterMode;
     QMap<int, ResultItem> pendingResults;
     int filteredResults;
-    
+
 };
 
 template <typename T>
@@ -234,7 +233,6 @@ public:
 #endif //Q_QDOC
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif // QT_NO_QFUTURE
 
diff --git a/src/corelib/thread/qrunnable.cpp b/src/corelib/thread/qrunnable.cpp
index eed716af37..e271582b9b 100644
--- a/src/corelib/thread/qrunnable.cpp
+++ b/src/corelib/thread/qrunnable.cpp
@@ -57,7 +57,7 @@
     change the auto-deletion flag.
 
     QThreadPool supports executing the same QRunnable more than once
-    by calling QThreadPool::tryStart(this) from within the run() function. 
+    by calling QThreadPool::tryStart(this) from within the run() function.
     If autoDelete is enabled the QRunnable will be deleted when
     the last thread exits the run function. Calling QThreadPool::start()
     multiple times with the same QRunnable when autoDelete is enabled
diff --git a/src/corelib/thread/qrunnable.h b/src/corelib/thread/qrunnable.h
index ba03519872..a6cc095258 100644
--- a/src/corelib/thread/qrunnable.h
+++ b/src/corelib/thread/qrunnable.h
@@ -44,7 +44,6 @@
 
 #include <QtCore/qglobal.h>
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -67,6 +66,5 @@ public:
 };
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif
diff --git a/src/corelib/thread/qsemaphore.h b/src/corelib/thread/qsemaphore.h
index b47588ce62..40200151b0 100644
--- a/src/corelib/thread/qsemaphore.h
+++ b/src/corelib/thread/qsemaphore.h
@@ -44,8 +44,6 @@
 
 #include <QtCore/qglobal.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -77,6 +75,4 @@ private:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QSEMAPHORE_H
diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index bd8c6341c1..dd4d4e74ae 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -76,6 +76,7 @@ QThreadData::~QThreadData()
     // the problem...
     if (this->thread == QCoreApplicationPrivate::theMainThread) {
        QCoreApplicationPrivate::theMainThread = 0;
+       QThreadData::clearCurrentThreadData();
     }
 
     QThread *t = thread;
@@ -523,9 +524,9 @@ int QThread::exec()
 
     Note that unlike the C library function of the same name, this
     function \e does return to the caller -- it is event processing
-    that stops. 
-    
-    No QEventLoops will be started anymore in this thread  until 
+    that stops.
+
+    No QEventLoops will be started anymore in this thread  until
     QThread::exec() has been called again. If the eventloop in QThread::exec()
     is not running then the next call to QThread::exec() will also return
     immediately.
diff --git a/src/corelib/thread/qthread.h b/src/corelib/thread/qthread.h
index c6c6167da7..19c0f82d86 100644
--- a/src/corelib/thread/qthread.h
+++ b/src/corelib/thread/qthread.h
@@ -46,8 +46,6 @@
 
 #include <limits.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -164,6 +162,4 @@ private:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QTHREAD_H
diff --git a/src/corelib/thread/qthread_p.h b/src/corelib/thread/qthread_p.h
index 526633cafa..2cf988260f 100644
--- a/src/corelib/thread/qthread_p.h
+++ b/src/corelib/thread/qthread_p.h
@@ -223,6 +223,7 @@ public:
     ~QThreadData();
 
     static QThreadData *current();
+    static void clearCurrentThreadData();
     static QThreadData *get2(QThread *thread)
     { Q_ASSERT_X(thread != 0, "QThread", "internal error"); return thread->d_func()->data; }
 
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 8abf1d06ef..44ad8d3ac2 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -204,6 +204,11 @@ static void clear_thread_data()
     pthread_setspecific(current_thread_data_key, 0);
 }
 
+void QThreadData::clearCurrentThreadData()
+{
+    clear_thread_data();
+}
+
 QThreadData *QThreadData::current()
 {
     QThreadData *data = get_thread_data();
@@ -287,7 +292,7 @@ static void setCurrentThreadName(pthread_t threadId, const char *name)
 
 void *QThreadPrivate::start(void *arg)
 {
-#if !defined(Q_OS_LINUX_ANDROID)
+#if !defined(Q_OS_ANDROID)
     pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
 #endif
     pthread_cleanup_push(QThreadPrivate::finish, arg);
@@ -326,7 +331,7 @@ void *QThreadPrivate::start(void *arg)
 #endif
 
     emit thr->started(QThread::QPrivateSignal());
-#if !defined(Q_OS_LINUX_ANDROID)
+#if !defined(Q_OS_ANDROID)
     pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
     pthread_testcancel();
 #endif
@@ -415,6 +420,13 @@ int QThread::idealThreadCount() Q_DECL_NOTHROW
     // IRIX
     cores = (int)sysconf(_SC_NPROC_ONLN);
 #elif defined(Q_OS_INTEGRITY)
+#if (__INTEGRITY_MAJOR_VERSION >= 10)
+    // Integrity V10+ does support multicore CPUs
+    Value processorCount;
+    if (GetProcessorCount(CurrentTask(), &processorCount) == 0)
+        cores = processorCount;
+    else
+#endif
     // as of aug 2008 Integrity only supports one single core CPU
     cores = 1;
 #elif defined(Q_OS_VXWORKS)
@@ -488,8 +500,20 @@ static bool calculateUnixPriority(int priority, int *sched_policy, int *sched_pr
 #endif
     const int highestPriority = QThread::TimeCriticalPriority;
 
-    int prio_min = sched_get_priority_min(*sched_policy);
-    int prio_max = sched_get_priority_max(*sched_policy);
+    int prio_min;
+    int prio_max;
+#if defined(Q_OS_VXWORKS) && defined(VXWORKS_DKM)
+    // for other scheduling policies than SCHED_RR or SCHED_FIFO
+    prio_min = SCHED_FIFO_LOW_PRI;
+    prio_max = SCHED_FIFO_HIGH_PRI;
+
+    if ((*sched_policy == SCHED_RR) || (*sched_policy == SCHED_FIFO))
+#endif
+    {
+    prio_min = sched_get_priority_min(*sched_policy);
+    prio_max = sched_get_priority_max(*sched_policy);
+    }
+
     if (prio_min == -1 || prio_max == -1)
         return false;
 
@@ -612,7 +636,7 @@ void QThread::start(Priority priority)
 
 void QThread::terminate()
 {
-#if !defined(Q_OS_LINUX_ANDROID)
+#if !defined(Q_OS_ANDROID)
     Q_D(QThread);
     QMutexLocker locker(&d->mutex);
 
@@ -654,7 +678,7 @@ void QThread::setTerminationEnabled(bool enabled)
                "Current thread was not started with QThread.");
 
     Q_UNUSED(thr)
-#if defined(Q_OS_LINUX_ANDROID)
+#if defined(Q_OS_ANDROID)
     Q_UNUSED(enabled);
 #else
     pthread_setcancelstate(enabled ? PTHREAD_CANCEL_ENABLE : PTHREAD_CANCEL_DISABLE, NULL);
diff --git a/src/corelib/thread/qthread_win.cpp b/src/corelib/thread/qthread_win.cpp
index 8614330d6f..0cf903bb3a 100644
--- a/src/corelib/thread/qthread_win.cpp
+++ b/src/corelib/thread/qthread_win.cpp
@@ -96,6 +96,11 @@ Q_DESTRUCTOR_FUNCTION(qt_free_tls)
 /*
     QThreadData
 */
+void QThreadData::clearCurrentThreadData()
+{
+    TlsSetValue(qt_current_thread_data_tls_index, 0);
+}
+
 QThreadData *QThreadData::current()
 {
     qt_create_tls();
diff --git a/src/corelib/thread/qthreadpool.cpp b/src/corelib/thread/qthreadpool.cpp
index 2b099706ff..1616fb9fab 100644
--- a/src/corelib/thread/qthreadpool.cpp
+++ b/src/corelib/thread/qthreadpool.cpp
@@ -133,7 +133,7 @@ void QThreadPoolThread::run()
             // wait for work, exiting after the expiry timeout is reached
             expired = !manager->runnableReady.wait(locker.mutex(), manager->expiryTimeout);
             ++manager->activeThreads;
-    
+
             if (expired)
                 --manager->waitingThreads;
         }
@@ -223,7 +223,7 @@ void QThreadPoolPrivate::enqueueTask(QRunnable *runnable, int priority)
 
 int QThreadPoolPrivate::activeThreadCount() const
 {
-    // To improve scalability this function is called without holding 
+    // To improve scalability this function is called without holding
     // the mutex lock -- keep it thread-safe.
     return (allThreads.count()
             - expiredThreads.count()
@@ -301,7 +301,7 @@ bool QThreadPoolPrivate::waitForDone(int msecs)
         QElapsedTimer timer;
         timer.start();
         int t;
-        while (!(queue.isEmpty() && activeThreads == 0) && 
+        while (!(queue.isEmpty() && activeThreads == 0) &&
                ((t = msecs - timer.elapsed()) > 0))
             noActiveThreads.wait(locker.mutex(), t);
     }
@@ -367,11 +367,11 @@ void QThreadPoolPrivate::stealRunnable(QRunnable *runnable)
 
     \snippet code/src_corelib_concurrent_qthreadpool.cpp 0
 
-    QThreadPool deletes the QRunnable automatically by default. Use 
+    QThreadPool deletes the QRunnable automatically by default. Use
     QRunnable::setAutoDelete() to change the auto-deletion flag.
 
     QThreadPool supports executing the same QRunnable more than once
-    by calling tryStart(this) from within QRunnable::run(). 
+    by calling tryStart(this) from within QRunnable::run().
     If autoDelete is enabled the QRunnable will be deleted when
     the last thread exits the run function. Calling start()
     multiple times with the same QRunnable when autoDelete is enabled
@@ -595,8 +595,8 @@ void QThreadPool::releaseThread()
 }
 
 /*!
-    Waits up to \a msecs milliseconds for all threads to exit and removes all 
-    threads from the thread pool. Returns true if all threads were removed; 
+    Waits up to \a msecs milliseconds for all threads to exit and removes all
+    threads from the thread pool. Returns true if all threads were removed;
     otherwise it returns false. If \a msecs is -1 (the default), the timeout
     is ignored (waits for the last thread to exit).
 */
diff --git a/src/corelib/thread/qthreadpool.h b/src/corelib/thread/qthreadpool.h
index bc572fc8e8..ffc16dedbe 100644
--- a/src/corelib/thread/qthreadpool.h
+++ b/src/corelib/thread/qthreadpool.h
@@ -49,7 +49,6 @@
 
 #ifndef QT_NO_THREAD
 
-QT_BEGIN_HEADER
 QT_BEGIN_NAMESPACE
 
 
@@ -87,7 +86,6 @@ public:
 };
 
 QT_END_NAMESPACE
-QT_END_HEADER
 
 #endif // QT_NO_THREAD
 
diff --git a/src/corelib/thread/qthreadstorage.h b/src/corelib/thread/qthreadstorage.h
index c98d181c1f..86285de84f 100644
--- a/src/corelib/thread/qthreadstorage.h
+++ b/src/corelib/thread/qthreadstorage.h
@@ -46,8 +46,6 @@
 
 #ifndef QT_NO_THREAD
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -156,8 +154,6 @@ public:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QT_NO_THREAD
 
 #endif // QTHREADSTORAGE_H
diff --git a/src/corelib/thread/qwaitcondition.h b/src/corelib/thread/qwaitcondition.h
index e8f51dad54..1468951373 100644
--- a/src/corelib/thread/qwaitcondition.h
+++ b/src/corelib/thread/qwaitcondition.h
@@ -46,8 +46,6 @@
 
 #include <limits.h>
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 
@@ -99,6 +97,4 @@ public:
 
 QT_END_NAMESPACE
 
-QT_END_HEADER
-
 #endif // QWAITCONDITION_H
diff --git a/src/corelib/thread/qwaitcondition_unix.cpp b/src/corelib/thread/qwaitcondition_unix.cpp
index ab4e7872fb..9b5c8d000d 100644
--- a/src/corelib/thread/qwaitcondition_unix.cpp
+++ b/src/corelib/thread/qwaitcondition_unix.cpp
@@ -45,11 +45,15 @@
 #include "qreadwritelock.h"
 #include "qatomic.h"
 #include "qstring.h"
+#include "qelapsedtimer.h"
+#include "private/qcore_unix_p.h"
 
 #include "qmutex_p.h"
 #include "qreadwritelock_p.h"
 
 #include <errno.h>
+#include <sys/time.h>
+#include <time.h>
 
 #ifndef QT_NO_THREAD
 
@@ -61,6 +65,38 @@ static void report_error(int code, const char *where, const char *what)
         qWarning("%s: %s failure: %s", where, what, qPrintable(qt_error_string(code)));
 }
 
+void qt_initialize_pthread_cond(pthread_cond_t *cond, const char *where)
+{
+    pthread_condattr_t condattr;
+
+    pthread_condattr_init(&condattr);
+#if !defined(Q_OS_MAC) && (_POSIX_MONOTONIC_CLOCK-0 >= 0)
+    if (QElapsedTimer::clockType() == QElapsedTimer::MonotonicClock)
+        pthread_condattr_setclock(&condattr, CLOCK_MONOTONIC);
+#endif
+    report_error(pthread_cond_init(cond, &condattr), where, "cv init");
+    pthread_condattr_destroy(&condattr);
+}
+
+void qt_abstime_for_timeout(timespec *ts, int timeout)
+{
+#ifdef Q_OS_MAC
+    // on Mac, qt_gettime() (on qelapsedtimer_mac.cpp) returns ticks related to the Mach absolute time
+    // that doesn't work with pthread
+    // Mac also doesn't have clock_gettime
+    struct timeval tv;
+    gettimeofday(&tv, 0);
+    ts->tv_sec = tv.tv_sec;
+    ts->tv_nsec = tv.tv_usec * 1000;
+#else
+    *ts = qt_gettime();
+#endif
+
+    ts->tv_sec += timeout / 1000;
+    ts->tv_nsec += timeout % 1000 * Q_UINT64_C(1000) * 1000;
+    normalizedTimespec(*ts);
+}
+
 class QWaitConditionPrivate {
 public:
     pthread_mutex_t mutex;
@@ -73,14 +109,8 @@ public:
         int code;
         forever {
             if (time != ULONG_MAX) {
-                struct timeval tv;
-                gettimeofday(&tv, 0);
-
                 timespec ti;
-                ti.tv_nsec = (tv.tv_usec + (time % 1000) * 1000) * 1000;
-                ti.tv_sec = tv.tv_sec + (time / 1000) + (ti.tv_nsec / 1000000000);
-                ti.tv_nsec %= 1000000000;
-
+                qt_abstime_for_timeout(&ti, time);
                 code = pthread_cond_timedwait(&cond, &mutex, &ti);
             } else {
                 code = pthread_cond_wait(&cond, &mutex);
@@ -114,7 +144,7 @@ QWaitCondition::QWaitCondition()
 {
     d = new QWaitConditionPrivate;
     report_error(pthread_mutex_init(&d->mutex, NULL), "QWaitCondition", "mutex init");
-    report_error(pthread_cond_init(&d->cond, NULL), "QWaitCondition", "cv init");
+    qt_initialize_pthread_cond(&d->cond, "QWaitCondition");
     d->waiters = d->wakeups = 0;
 }
 
diff --git a/src/corelib/thread/thread.pri b/src/corelib/thread/thread.pri
index 7247f2984e..13f0502b62 100644
--- a/src/corelib/thread/thread.pri
+++ b/src/corelib/thread/thread.pri
@@ -56,7 +56,7 @@ integrity:SOURCES += thread/qmutex_unix.cpp \
 		thread/qwaitcondition_unix.cpp
 
 unix: {
-    macx-* {
+    mac {
         SOURCES += thread/qmutex_mac.cpp
     } else:linux-*:!linux-lsb-* {
         SOURCES += thread/qmutex_linux.cpp