Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	configure
	src/network/bearer/bearer.pri

6 files changed, 11 insertions, 20 deletions

diff --git a/src/corelib/kernel/qeventdispatcher_unix.cpp b/src/corelib/kernel/qeventdispatcher_unix.cpp
index 46604b0d93..25c02c4ee9 100644
--- a/src/corelib/kernel/qeventdispatcher_unix.cpp
+++ b/src/corelib/kernel/qeventdispatcher_unix.cpp
@@ -509,7 +509,6 @@ bool QTimerInfoList::unregisterTimer(int timerId)
         }
     }
     // id not found
-    qWarning("Application asked to unregister timer 0x%x which is not registered in this thread. Fix application.", timerId);
     return false;
 }
 
diff --git a/src/corelib/kernel/qsharedmemory.cpp b/src/corelib/kernel/qsharedmemory.cpp
index b61509e86c..78715a1966 100644
--- a/src/corelib/kernel/qsharedmemory.cpp
+++ b/src/corelib/kernel/qsharedmemory.cpp
@@ -458,11 +458,7 @@ bool QSharedMemory::detach()
         return false;
 #endif
 
-    if (d->detach()) {
-        d->size = 0;
-        return true;
-    }
-    return false;
+    return d->detach();
 }
 
 /*!
diff --git a/src/corelib/kernel/qsharedmemory_unix.cpp b/src/corelib/kernel/qsharedmemory_unix.cpp
index fc0a4386cd..b30117f6c1 100644
--- a/src/corelib/kernel/qsharedmemory_unix.cpp
+++ b/src/corelib/kernel/qsharedmemory_unix.cpp
@@ -198,7 +198,7 @@ bool QSharedMemoryPrivate::create(int size)
     }
 
     // create
-    if (-1 == shmget(handle(), size, 0666 | IPC_CREAT | IPC_EXCL)) {
+    if (-1 == shmget(unix_key, size, 0666 | IPC_CREAT | IPC_EXCL)) {
         QString function = QLatin1String("QSharedMemory::create");
         switch (errno) {
         case EINVAL:
@@ -219,10 +219,7 @@ bool QSharedMemoryPrivate::create(int size)
 bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
 {
     // grab the shared memory segment id
-    if (!handle())
-        return false;
-
-    int id = shmget(handle(), 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660));
+    int id = shmget(unix_key, 0, (mode == QSharedMemory::ReadOnly ? 0444 : 0660));
     if (-1 == id) {
         setErrorString(QLatin1String("QSharedMemory::attach (shmget)"));
         return false;
@@ -264,12 +261,11 @@ bool QSharedMemoryPrivate::detach()
         return false;
     }
     memory = 0;
+    size = 0;
 
     // Get the number of current attachments
-    if (!handle())
-        return false;
-    int id = shmget(handle(), 0, 0444);
-    unix_key = 0;
+    int id = shmget(unix_key, 0, 0444);
+    cleanHandle();
 
     struct shmid_ds shmid_ds;
     if (0 != shmctl(id, IPC_STAT, &shmid_ds)) {
diff --git a/src/corelib/kernel/qsharedmemory_win.cpp b/src/corelib/kernel/qsharedmemory_win.cpp
index 75ab4e8ad8..bc13e338bd 100644
--- a/src/corelib/kernel/qsharedmemory_win.cpp
+++ b/src/corelib/kernel/qsharedmemory_win.cpp
@@ -123,8 +123,8 @@ bool QSharedMemoryPrivate::cleanHandle()
 {
     if (hand != 0 && !CloseHandle(hand)) {
         hand = 0;
-        return false;
         setErrorString(QLatin1String("QSharedMemory::cleanHandle"));
+        return false;
     }
     hand = 0;
     return true;
@@ -183,6 +183,7 @@ bool QSharedMemoryPrivate::detach()
         return false;
     }
     memory = 0;
+    size = 0;
 
     // close handle
     return cleanHandle();
diff --git a/src/corelib/kernel/qsystemsemaphore_symbian.cpp b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
index 07cfffcff8..0d257b8f5e 100644
--- a/src/corelib/kernel/qsystemsemaphore_symbian.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_symbian.cpp
@@ -73,6 +73,7 @@ void QSystemSemaphorePrivate::setErrorString(const QString &function, int err)
     case KErrInUse:
         errorString = QCoreApplication::tr("%1: out of resources", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::OutOfResources;
+        break;
     case KErrPermissionDenied:
         errorString = QCoreApplication::tr("%1: permission denied", "QSystemSemaphore").arg(function);
         error = QSystemSemaphore::PermissionDenied;
@@ -97,8 +98,7 @@ int QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
     if (key.isEmpty())
         return 0;
 
-    QString safeName = makeKeyFileName();
-    TPtrC name(qt_QString2TPtrC(safeName));
+    TPtrC name(qt_QString2TPtrC(fileName));
     int err = KErrAlreadyExists;
     int tryCount = 10;
     // Sort out race conditions by retrying several times until existing handle is acquired.
diff --git a/src/corelib/kernel/qsystemsemaphore_win.cpp b/src/corelib/kernel/qsystemsemaphore_win.cpp
index 7f002f85bd..fad50f2ffb 100644
--- a/src/corelib/kernel/qsystemsemaphore_win.cpp
+++ b/src/corelib/kernel/qsystemsemaphore_win.cpp
@@ -86,8 +86,7 @@ HANDLE QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode)
 
     // Create it if it doesn't already exists.
     if (semaphore == 0) {
-        QString safeName = makeKeyFileName();
-        semaphore = CreateSemaphore(0, initialValue, MAXLONG, (wchar_t*)safeName.utf16());
+        semaphore = CreateSemaphore(0, initialValue, MAXLONG, (wchar_t*)fileName.utf16());
         if (semaphore == NULL)
             setErrorString(QLatin1String("QSystemSemaphore::handle"));
     }