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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include <mutex>
#include "common/common_types.h"
#include "common/logging.h"
#include "core/hle/service/nvnflinger/hos_binder_driver_server.h"
namespace Service::Nvnflinger {
HosBinderDriverServer::HosBinderDriverServer() = default;
HosBinderDriverServer::~HosBinderDriverServer() = default;
s32 HosBinderDriverServer::RegisterBinder(std::shared_ptr<android::IBinder>&& binder) {
std::scoped_lock lk{lock};
last_id++;
binders[last_id] = std::move(binder);
refcounts[last_id] = {}; // strong = 1, weak = 0
return last_id;
}
void HosBinderDriverServer::UnregisterBinder(s32 binder_id) {
std::scoped_lock lk{lock};
binders.erase(binder_id);
refcounts.erase(binder_id);
}
void HosBinderDriverServer::AdjustRefcount(s32 binder_id, s32 delta, bool is_weak) {
std::scoped_lock lk{lock};
auto search_rc = refcounts.find(binder_id);
if (search_rc == refcounts.end()) {
LOG_WARNING(Service_VI, "AdjustRefcount called for unknown binder id {}", binder_id);
return;
}
auto& rc = search_rc->second;
s32& counter = is_weak ? rc.weak : rc.strong;
counter += delta;
if (counter < 0)
counter = 0;
if (rc.strong == 0 && rc.weak == 0) {
binders.erase(binder_id);
refcounts.erase(search_rc);
}
}
std::shared_ptr<android::IBinder> HosBinderDriverServer::TryGetBinder(s32 id) const {
std::scoped_lock lk{lock};
if (auto search = binders.find(id); search != binders.end()) {
return search->second;
}
return {};
}
} // namespace Service::Nvnflinger
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