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// Copyright 2021 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_server_session.h"
#include "core/hle/kernel/k_session.h"
namespace Kernel {
KSession::KSession(KernelCore& kernel)
: KAutoObjectWithSlabHeapAndContainer{kernel}, server{kernel}, client{kernel} {}
KSession::~KSession() = default;
void KSession::Initialize(KClientPort* port_, const std::string& name_) {
// Increment reference count.
// Because reference count is one on creation, this will result
// in a reference count of two. Thus, when both server and client are closed
// this object will be destroyed.
Open();
// Create our sub sessions.
KAutoObject::Create(std::addressof(server));
KAutoObject::Create(std::addressof(client));
// Initialize our sub sessions.
server.Initialize(this, name_ + ":Server");
client.Initialize(this, name_ + ":Client");
// Set state and name.
SetState(State::Normal);
name = name_;
// Set our owner process.
process = kernel.CurrentProcess();
process->Open();
// Set our port.
port = port_;
if (port != nullptr) {
port->Open();
}
// Mark initialized.
initialized = true;
}
void KSession::Finalize() {
if (port == nullptr) {
return;
}
port->OnSessionFinalized();
port->Close();
}
void KSession::OnServerClosed() {
if (GetState() != State::Normal) {
return;
}
SetState(State::ServerClosed);
client.OnServerClosed();
}
void KSession::OnClientClosed() {
if (GetState() != State::Normal) {
return;
}
SetState(State::ClientClosed);
server.OnClientClosed();
}
void KSession::PostDestroy(uintptr_t arg) {
// Release the session count resource the owner process holds.
KProcess* owner = reinterpret_cast<KProcess*>(arg);
owner->GetResourceLimit()->Release(LimitableResource::Sessions, 1);
owner->Close();
}
} // namespace Kernel
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