ladybird/Kernel/VM/VMObject.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

43 lines
852 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/VM/MemoryManager.h>
#include <Kernel/VM/VMObject.h>
namespace Kernel {
VMObject::VMObject(const VMObject& other)
: m_physical_pages(other.m_physical_pages)
{
MM.register_vmobject(*this);
}
VMObject::VMObject()
{
MM.register_vmobject(*this);
}
VMObject::VMObject(size_t size)
{
m_physical_pages.resize(ceil_div(size, static_cast<size_t>(PAGE_SIZE)));
MM.register_vmobject(*this);
}
VMObject::~VMObject()
{
{
ScopedSpinLock lock(m_on_deleted_lock);
for (auto& it : m_on_deleted)
it->vmobject_deleted(*this);
m_on_deleted.clear();
}
MM.unregister_vmobject(*this);
VERIFY(m_regions_count.load(AK::MemoryOrder::memory_order_relaxed) == 0);
}
}