diff options
Diffstat (limited to 'src/corelib/io/qrandomaccessasyncfile.cpp')
| -rw-r--r-- | src/corelib/io/qrandomaccessasyncfile.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/corelib/io/qrandomaccessasyncfile.cpp b/src/corelib/io/qrandomaccessasyncfile.cpp index c544585de9d..34e216efe27 100644 --- a/src/corelib/io/qrandomaccessasyncfile.cpp +++ b/src/corelib/io/qrandomaccessasyncfile.cpp @@ -7,6 +7,31 @@ QT_BEGIN_NAMESPACE +QRandomAccessAsyncFileBackend::QRandomAccessAsyncFileBackend(QRandomAccessAsyncFile *owner) + : m_owner(owner) +{ +} +QRandomAccessAsyncFileBackend::~QRandomAccessAsyncFileBackend() = default; +QRandomAccessAsyncFilePrivate::QRandomAccessAsyncFilePrivate() = default; +QRandomAccessAsyncFilePrivate::~QRandomAccessAsyncFilePrivate() = default; + +void QRandomAccessAsyncFilePrivate::init() +{ + Q_Q(QRandomAccessAsyncFile); + +#if defined(QT_RANDOMACCESSASYNCFILE_QIORING) || defined(Q_OS_DARWIN) + m_backend = std::make_unique<QRandomAccessAsyncFileNativeBackend>(q); +#endif + if (!m_backend || !m_backend->init()) { +#if QT_CONFIG(thread) && QT_CONFIG(future) + m_backend = std::make_unique<QRandomAccessAsyncFileThreadPoolBackend>(q); + [[maybe_unused]] + bool result = m_backend->init(); + Q_ASSERT(result); // it always succeeds +#endif + } +} + QRandomAccessAsyncFile::QRandomAccessAsyncFile(QObject *parent) : QObject{*new QRandomAccessAsyncFilePrivate, parent} { |