Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qreadwritelock.h

@@ -0,0 +1,193 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QREADWRITELOCK_H
+#define QREADWRITELOCK_H
+
+#include <QtCore/qglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+
+#if QT_CONFIG(thread)
+
+class QReadWriteLockPrivate;
+
+class Q_CORE_EXPORT QReadWriteLock
+{
+public:
+    enum RecursionMode { NonRecursive, Recursive };
+
+    explicit QReadWriteLock(RecursionMode recursionMode = NonRecursive);
+    ~QReadWriteLock();
+
+    void lockForRead();
+    bool tryLockForRead();
+    bool tryLockForRead(int timeout);
+
+    void lockForWrite();
+    bool tryLockForWrite();
+    bool tryLockForWrite(int timeout);
+
+    void unlock();
+
+private:
+    Q_DISABLE_COPY(QReadWriteLock)
+    QAtomicPointer<QReadWriteLockPrivate> d_ptr;
+    friend class QReadWriteLockPrivate;
+};
+
+#if defined(Q_CC_MSVC)
+#pragma warning( push )
+#pragma warning( disable : 4312 ) // ignoring the warning from /Wp64
+#endif
+
+class Q_CORE_EXPORT QReadLocker
+{
+public:
+    inline QReadLocker(QReadWriteLock *readWriteLock);
+
+    inline ~QReadLocker()
+    { unlock(); }
+
+    inline void unlock()
+    {
+        if (q_val) {
+            if ((q_val & quintptr(1u)) == quintptr(1u)) {
+                q_val &= ~quintptr(1u);
+                readWriteLock()->unlock();
+            }
+        }
+    }
+
+    inline void relock()
+    {
+        if (q_val) {
+            if ((q_val & quintptr(1u)) == quintptr(0u)) {
+                readWriteLock()->lockForRead();
+                q_val |= quintptr(1u);
+            }
+        }
+    }
+
+    inline QReadWriteLock *readWriteLock() const
+    { return reinterpret_cast<QReadWriteLock *>(q_val & ~quintptr(1u)); }
+
+private:
+    Q_DISABLE_COPY(QReadLocker)
+    quintptr q_val;
+};
+
+inline QReadLocker::QReadLocker(QReadWriteLock *areadWriteLock)
+    : q_val(reinterpret_cast<quintptr>(areadWriteLock))
+{
+    Q_ASSERT_X((q_val & quintptr(1u)) == quintptr(0),
+               "QReadLocker", "QReadWriteLock pointer is misaligned");
+    relock();
+}
+
+class Q_CORE_EXPORT QWriteLocker
+{
+public:
+    inline QWriteLocker(QReadWriteLock *readWriteLock);
+
+    inline ~QWriteLocker()
+    { unlock(); }
+
+    inline void unlock()
+    {
+        if (q_val) {
+            if ((q_val & quintptr(1u)) == quintptr(1u)) {
+                q_val &= ~quintptr(1u);
+                readWriteLock()->unlock();
+            }
+        }
+    }
+
+    inline void relock()
+    {
+        if (q_val) {
+            if ((q_val & quintptr(1u)) == quintptr(0u)) {
+                readWriteLock()->lockForWrite();
+                q_val |= quintptr(1u);
+            }
+        }
+    }
+
+    inline QReadWriteLock *readWriteLock() const
+    { return reinterpret_cast<QReadWriteLock *>(q_val & ~quintptr(1u)); }
+
+
+private:
+    Q_DISABLE_COPY(QWriteLocker)
+    quintptr q_val;
+};
+
+inline QWriteLocker::QWriteLocker(QReadWriteLock *areadWriteLock)
+    : q_val(reinterpret_cast<quintptr>(areadWriteLock))
+{
+    Q_ASSERT_X((q_val & quintptr(1u)) == quintptr(0),
+               "QWriteLocker", "QReadWriteLock pointer is misaligned");
+    relock();
+}
+
+#if defined(Q_CC_MSVC)
+#pragma warning( pop )
+#endif
+
+#else // QT_CONFIG(thread)
+
+class Q_CORE_EXPORT QReadWriteLock
+{
+public:
+    enum RecursionMode { NonRecursive, Recursive };
+    inline explicit QReadWriteLock(RecursionMode = NonRecursive) noexcept { }
+    inline ~QReadWriteLock() { }
+
+    void lockForRead() noexcept { }
+    bool tryLockForRead() noexcept { return true; }
+    bool tryLockForRead(int timeout) noexcept { Q_UNUSED(timeout); return true; }
+
+    void lockForWrite() noexcept { }
+    bool tryLockForWrite() noexcept { return true; }
+    bool tryLockForWrite(int timeout) noexcept { Q_UNUSED(timeout); return true; }
+
+    void unlock() noexcept { }
+
+private:
+    Q_DISABLE_COPY(QReadWriteLock)
+};
+
+class Q_CORE_EXPORT QReadLocker
+{
+public:
+    inline explicit QReadLocker(QReadWriteLock *) noexcept { }
+    inline ~QReadLocker() noexcept { }
+
+    void unlock() noexcept { }
+    void relock() noexcept { }
+    QReadWriteLock *readWriteLock() noexcept { return nullptr; }
+
+private:
+    Q_DISABLE_COPY(QReadLocker)
+};
+
+class Q_CORE_EXPORT QWriteLocker
+{
+public:
+    inline explicit QWriteLocker(QReadWriteLock *) noexcept { }
+    inline ~QWriteLocker() noexcept { }
+
+    void unlock() noexcept { }
+    void relock() noexcept { }
+    QReadWriteLock *readWriteLock() noexcept { return nullptr; }
+
+private:
+    Q_DISABLE_COPY(QWriteLocker)
+};
+
+#endif // QT_CONFIG(thread)
+
+QT_END_NAMESPACE
+
+#endif // QREADWRITELOCK_H