mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-20 07:08:59 +00:00
58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <mesosphere/kern_common.hpp>
|
|
#include <mesosphere/kern_k_auto_object.hpp>
|
|
#include <mesosphere/kern_slab_helpers.hpp>
|
|
#include <mesosphere/kern_select_page_table.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
class KProcess;
|
|
class KResourceLimit;
|
|
|
|
class KSharedMemory final : public KAutoObjectWithSlabHeapAndContainer<KSharedMemory, KAutoObjectWithList> {
|
|
MESOSPHERE_AUTOOBJECT_TRAITS(KSharedMemory, KAutoObject);
|
|
private:
|
|
KPageGroup m_page_group;
|
|
KResourceLimit *m_resource_limit;
|
|
u64 m_owner_process_id;
|
|
ams::svc::MemoryPermission m_owner_perm;
|
|
ams::svc::MemoryPermission m_remote_perm;
|
|
bool m_is_initialized;
|
|
public:
|
|
explicit KSharedMemory()
|
|
: m_page_group(std::addressof(Kernel::GetSystemBlockInfoManager())), m_resource_limit(nullptr), m_owner_process_id(std::numeric_limits<u64>::max()),
|
|
m_owner_perm(ams::svc::MemoryPermission_None), m_remote_perm(ams::svc::MemoryPermission_None), m_is_initialized(false)
|
|
{
|
|
/* ... */
|
|
}
|
|
|
|
Result Initialize(KProcess *owner, size_t size, ams::svc::MemoryPermission own_perm, ams::svc::MemoryPermission rem_perm);
|
|
void Finalize();
|
|
|
|
bool IsInitialized() const { return m_is_initialized; }
|
|
static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
|
|
|
|
Result Map(KProcessPageTable *table, KProcessAddress address, size_t size, KProcess *process, ams::svc::MemoryPermission map_perm);
|
|
Result Unmap(KProcessPageTable *table, KProcessAddress address, size_t size, KProcess *process);
|
|
|
|
u64 GetOwnerProcessId() const { return m_owner_process_id; }
|
|
size_t GetSize() const { return m_page_group.GetNumPages() * PageSize; }
|
|
};
|
|
|
|
}
|