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Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_session.hpp
SciresM 96f95b9f95
Integrate new result macros. (#1780)
* result: try out some experimental shenanigans

* result: sketch out some more shenanigans

* result: see what it looks like to convert kernel to use result conds instead of guards

* make rest of kernel use experimental new macro-ing
2022-02-14 14:45:32 -08:00

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3.5 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_synchronization_object.hpp>
#include <mesosphere/kern_k_server_session.hpp>
#include <mesosphere/kern_k_client_session.hpp>
#include <mesosphere/kern_slab_helpers.hpp>
namespace ams::kern {
class KClientPort;
class KProcess;
class KSession final : public KAutoObjectWithSlabHeapAndContainer<KSession, KAutoObjectWithList, true> {
MESOSPHERE_AUTOOBJECT_TRAITS(KSession, KAutoObject);
private:
enum class State : u8 {
Invalid = 0,
Normal = 1,
ClientClosed = 2,
ServerClosed = 3,
};
private:
util::Atomic<std::underlying_type<State>::type> m_atomic_state;
bool m_initialized;
KServerSession m_server;
KClientSession m_client;
KClientPort *m_port;
uintptr_t m_name;
KProcess *m_process;
private:
ALWAYS_INLINE void SetState(State state) {
m_atomic_state = static_cast<u8>(state);
}
ALWAYS_INLINE State GetState() const {
return static_cast<State>(m_atomic_state.Load());
}
public:
constexpr explicit KSession(util::ConstantInitializeTag)
: KAutoObjectWithSlabHeapAndContainer<KSession, KAutoObjectWithList, true>(util::ConstantInitialize),
m_atomic_state(static_cast<std::underlying_type<State>::type>(State::Invalid)), m_initialized(),
m_server(util::ConstantInitialize), m_client(util::ConstantInitialize), m_port(), m_name(), m_process()
{
/* ... */
}
explicit KSession() : m_atomic_state(util::ToUnderlying(State::Invalid)), m_initialized(false), m_process(nullptr) { /* ... */ }
void Initialize(KClientPort *client_port, uintptr_t name);
void Finalize();
bool IsInitialized() const { return m_initialized; }
uintptr_t GetPostDestroyArgument() const { return reinterpret_cast<uintptr_t>(m_process); }
static void PostDestroy(uintptr_t arg);
void OnServerClosed();
void OnClientClosed();
bool IsServerClosed() const { return this->GetState() != State::Normal; }
bool IsClientClosed() const { return this->GetState() != State::Normal; }
Result OnRequest(KSessionRequest *request) { R_RETURN(m_server.OnRequest(request)); }
KClientSession &GetClientSession() { return m_client; }
KServerSession &GetServerSession() { return m_server; }
const KClientSession &GetClientSession() const { return m_client; }
const KServerSession &GetServerSession() const { return m_server; }
const KClientPort *GetParent() const { return m_port; }
};
}