Stub out QSharedMemory and QSystemSemaphore for Android.

Android does not support regular SysV shm, we'll need to write our own
implementations.

Change-Id: I2817f64b36512b965b012388a667d08935828c83
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/kernel/kernel.pri

@@ -107,8 +107,6 @@ unix|integrity {
     SOURCES += \
             kernel/qcore_unix.cpp \
             kernel/qcrashhandler.cpp \
-            kernel/qsharedmemory_unix.cpp \
-            kernel/qsystemsemaphore_unix.cpp \
             kernel/qeventdispatcher_unix.cpp \
             kernel/qtimerinfo_unix.cpp
 
@@ -128,6 +126,14 @@ unix|integrity {
     }
 
    contains(QT_CONFIG, clock-gettime):include($$QT_SOURCE_TREE/config.tests/unix/clock-gettime/clock-gettime.pri)
+
+    !android-* {
+        SOURCES += kernel/qsharedmemory_unix.cpp \
+                   kernel/qsystemsemaphore_unix.cpp
+    } else {
+        SOURCES += kernel/qsharedmemory_android.cpp \
+                   kernel/qsystemsemaphore_android.cpp
+    }
 }
 
 vxworks {

src/corelib/kernel/qsharedmemory_android.cpp

@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Collabora Ltd, author <robin.burchell@collabora.co.uk>
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsharedmemory.h"
+#include "qsharedmemory_p.h"
+#include <qdebug.h>
+
+#ifndef QT_NO_SHAREDMEMORY
+QT_BEGIN_NAMESPACE
+
+QSharedMemoryPrivate::QSharedMemoryPrivate()
+    : QObjectPrivate(), memory(0), size(0), error(QSharedMemory::NoError),
+#ifndef QT_NO_SYSTEMSEMAPHORE
+      systemSemaphore(QString()), lockedByMe(false),
+#endif
+      unix_key(0)
+{
+}
+
+void QSharedMemoryPrivate::setErrorString(const QString &function)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+}
+
+/*!
+    \internal
+
+    If not already made create the handle used for accessing the shared memory.
+*/
+key_t QSharedMemoryPrivate::handle()
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return 0;
+}
+
+#endif // QT_NO_SHAREDMEMORY
+
+#if !(defined(QT_NO_SHAREDMEMORY) && defined(QT_NO_SYSTEMSEMAPHORE))
+/*!
+    \internal
+    Creates the unix file if needed.
+    returns true if the unix file was created.
+
+    -1 error
+     0 already existed
+     1 created
+  */
+int QSharedMemoryPrivate::createUnixKeyFile(const QString &fileName)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return 0;
+}
+#endif // QT_NO_SHAREDMEMORY && QT_NO_SYSTEMSEMAPHORE
+
+#ifndef QT_NO_SHAREDMEMORY
+
+bool QSharedMemoryPrivate::cleanHandle()
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return true;
+}
+
+bool QSharedMemoryPrivate::create(int size)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return false;
+}
+
+bool QSharedMemoryPrivate::attach(QSharedMemory::AccessMode mode)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return false;
+}
+
+bool QSharedMemoryPrivate::detach()
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return false;
+}
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SHAREDMEMORY

src/corelib/kernel/qsharedmemory_p.h

@@ -69,7 +69,7 @@ namespace QSharedMemoryPrivate
 #include "qsystemsemaphore.h"
 #include "private/qobject_p.h"
 
-#ifndef Q_OS_WIN
+#if !defined(Q_OS_WIN) && !defined(Q_OS_LINUX_ANDROID)
 #  include <sys/sem.h>
 #endif
 

src/corelib/kernel/qsystemsemaphore_android.cpp

@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Collabora Ltd, author <robin.burchell@collabora.co.uk>
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsystemsemaphore.h"
+#include "qsystemsemaphore_p.h"
+
+#include <qdebug.h>
+
+#ifndef QT_NO_SYSTEMSEMAPHORE
+
+QT_BEGIN_NAMESPACE
+
+QSystemSemaphorePrivate::QSystemSemaphorePrivate() :
+        semaphore(-1), createdFile(false),
+        createdSemaphore(false), unix_key(-1), error(QSystemSemaphore::NoError)
+{
+}
+
+void QSystemSemaphorePrivate::setErrorString(const QString &function)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+}
+
+/*!
+    \internal
+
+    Setup unix_key
+ */
+key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return -1;
+}
+
+/*!
+    \internal
+
+    Cleanup the unix_key
+ */
+void QSystemSemaphorePrivate::cleanHandle()
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+}
+
+/*!
+    \internal
+ */
+bool QSystemSemaphorePrivate::modifySemaphore(int count)
+{
+    qWarning() << Q_FUNC_INFO << "Not yet implemented on Android";
+    return false;
+}
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SYSTEMSEMAPHORE