quniquehandle_types.cpp

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// Copyright (C) 2024 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
 
#include <QtCore/private/quniquehandle_types_p.h>
 
#include "qplatformdefs.h" // For QT_CLOSE
 
#ifdef Q_OS_WIN
#  include <QtCore/qt_windows.h>
#endif
 
#ifdef Q_OS_UNIX
#  include <QtCore/private/qcore_unix_p.h> // for qt_safe_close
#endif
 
QT_BEGIN_NAMESPACE
 
namespace QtUniqueHandleTraits {
 
#ifdef Q_OS_WIN
 
bool InvalidHandleTraits::close(Type handle) noexcept
{
    return ::CloseHandle(handle);
}
 
bool NullHandleTraits::close(Type handle) noexcept
{
    return ::CloseHandle(handle);
}
 
#endif
 
bool FileDescriptorHandleTraits::close(Type handle)
{
    // not noexcept because close() is a POSIX cancellation point
    return QT_CLOSE(handle) == 0;
}
 
bool FILEHandleTraits::close(Type handle)
{
    // not noexcept because fclose() is a POSIX cancellation point
    return ::fclose(handle);
}
 
} // namespace QtUniqueHandleTraits
 
#ifdef Q_OS_UNIX
 
using QUniqueFileDescriptorHandle = QUniqueHandle<QtUniqueHandleTraits::FileDescriptorHandleTraits>;
 
#endif
 
QT_END_NAMESPACE