Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Round origin of text in OpenVG engine
  QThread::exec():  Fix possibility to enter several time the event loop
  QMessageBox: change the documentation to reflect that it is application modal
  Compile on OpenBSD
  Doc: Q_PROPERTY, implements the setter/getter in the example
  Dynamically register the event number.
  Fix wrong error assumption when converting "0.0" to double

3 files changed, 14 insertions, 4 deletions

diff --git a/src/corelib/thread/qthread.cpp b/src/corelib/thread/qthread.cpp
index 69b70cb..6fb182b 100644
--- a/src/corelib/thread/qthread.cpp
+++ b/src/corelib/thread/qthread.cpp
@@ -482,8 +482,10 @@ int QThread::exec()
     Q_D(QThread);
     QMutexLocker locker(&d->mutex);
     d->data->quitNow = false;
-    if (d->exited)
+    if (d->exited) {
+        d->exited = false;
         return d->returnCode;
+    }
     locker.unlock();
 
     QEventLoop eventLoop;
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index a44a0e8..e3b587d 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -97,6 +97,11 @@
 # define SCHED_IDLE    5
 #endif
 
+#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#define QT_HAS_THREAD_PRIORITY_SCHEDULING
+#endif
+
+
 QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_THREAD
@@ -503,6 +508,7 @@ void QThread::usleep(unsigned long usecs)
     thread_sleep(&ti);
 }
 
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
 // Does some magic and calculate the Unix scheduler priorities
 // sched_policy is IN/OUT: it must be set to a valid policy before calling this function
 // sched_priority is OUT only
@@ -533,6 +539,7 @@ static bool calculateUnixPriority(int priority, int *sched_policy, int *sched_pr
     *sched_priority = prio;
     return true;
 }
+#endif
 
 void QThread::start(Priority priority)
 {
@@ -553,7 +560,7 @@ void QThread::start(Priority priority)
 
     d->priority = priority;
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && !defined(Q_OS_SYMBIAN) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#if defined(QT_HAS_THREAD_PRIORITY_SCHEDULING) && !defined(Q_OS_SYMBIAN)
 // ### Need to implement thread sheduling and priorities for symbian os. Implementation removed for now
     switch (priority) {
     case InheritPriority:
@@ -594,7 +601,7 @@ void QThread::start(Priority priority)
             break;
         }
     }
-#endif // _POSIX_THREAD_PRIORITY_SCHEDULING
+#endif // QT_HAS_THREAD_PRIORITY_SCHEDULING
 
 #ifdef Q_OS_SYMBIAN
     if (d->stackSize == 0)
@@ -757,7 +764,7 @@ void QThread::setPriority(Priority priority)
 
     // copied from start() with a few modifications:
 
-#if defined(Q_OS_DARWIN) || !defined(Q_OS_OPENBSD) && defined(_POSIX_THREAD_PRIORITY_SCHEDULING) && (_POSIX_THREAD_PRIORITY_SCHEDULING-0 >= 0)
+#ifdef QT_HAS_THREAD_PRIORITY_SCHEDULING
     int sched_policy;
     sched_param param;
 
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index d152682..83d6dcd 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -7308,6 +7308,7 @@ Q_CORE_EXPORT char *qdtoa( double d, int mode, int ndigits, int *decpt, int *sig
 
 Q_CORE_EXPORT double qstrtod(const char *s00, const char **se, bool *ok)
 {
+    errno = 0;
     double ret = strtod((char*)s00, (char**)se);
     if (ok) {
       if((ret == 0.0l && errno == ERANGE)