Atmosphere/libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_impl.cpp
2021-09-11 19:41:47 -07:00

81 lines
2.6 KiB
C++

/*
* Copyright (c) 2018-2020 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/>.
*/
#include <stratosphere.hpp>
#include "htc_tenv_impl.hpp"
#include "htc_tenv_definition_file_info.hpp"
namespace ams::htc::tenv::impl {
namespace {
class DefinitionFileInfoManager {
private:
using DefinitionFileInfoList = util::IntrusiveListBaseTraits<DefinitionFileInfo>::ListType;
private:
DefinitionFileInfoList m_list;
os::SdkMutex m_mutex;
public:
constexpr DefinitionFileInfoManager() = default;
~DefinitionFileInfoManager() {
while (!m_list.empty()) {
auto *p = std::addressof(*m_list.rbegin());
m_list.erase(m_list.iterator_to(*p));
delete p;
}
}
void Remove(DefinitionFileInfo *info) {
std::scoped_lock lk(m_mutex);
m_list.erase(m_list.iterator_to(*info));
delete info;
}
DefinitionFileInfo *GetInfo(u64 process_id) {
std::scoped_lock lk(m_mutex);
for (auto &info : m_list) {
if (info.process_id == process_id) {
return std::addressof(info);
}
}
return nullptr;
}
};
constinit DefinitionFileInfoManager g_definition_file_info_manager;
ALWAYS_INLINE DefinitionFileInfoManager &GetDefinitionFileInfoManager() {
return g_definition_file_info_manager;
}
}
void UnregisterDefinitionFilePath(u64 process_id) {
/* Require the process id to be valid. */
if (process_id == 0) {
return;
}
/* Remove the definition file info, if we have one. */
if (auto *info = GetDefinitionFileInfoManager().GetInfo(process_id); info != nullptr) {
GetDefinitionFileInfoManager().Remove(info);
}
}
}