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Atmosphere/libraries/libstratosphere/source/time/time_api.cpp

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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/>.
*/
#include <stratosphere.hpp>
extern "C" {
extern TimeServiceType __nx_time_service_type;
}
namespace ams::time {
namespace {
enum InitializeMode {
InitializeMode_None,
InitializeMode_Normal,
InitializeMode_Menu,
InitializeMode_System,
InitializeMode_Repair,
InitializeMode_SystemUser,
};
constinit u32 g_initialize_count = 0;
constinit InitializeMode g_initialize_mode = InitializeMode_None;
constinit os::SdkMutex g_initialize_mutex;
Result InitializeImpl(InitializeMode mode) {
std::scoped_lock lk(g_initialize_mutex);
if (g_initialize_count > 0) {
AMS_ABORT_UNLESS(mode == g_initialize_mode);
g_initialize_count++;
return ResultSuccess();
}
switch (mode) {
case InitializeMode_Normal: __nx_time_service_type = ::TimeServiceType_User; break;
case InitializeMode_Menu: __nx_time_service_type = ::TimeServiceType_Menu; break;
case InitializeMode_System: __nx_time_service_type = ::TimeServiceType_System; break;
case InitializeMode_Repair: __nx_time_service_type = ::TimeServiceType_Repair; break;
case InitializeMode_SystemUser: __nx_time_service_type = ::TimeServiceType_SystemUser; break;
AMS_UNREACHABLE_DEFAULT_CASE();
}
R_TRY(::timeInitialize());
g_initialize_count++;
g_initialize_mode = mode;
return ResultSuccess();
}
}
Result Initialize() {
return InitializeImpl(InitializeMode_Normal);
}
Result InitializeForSystem() {
return InitializeImpl(InitializeMode_System);
}
Result InitializeForSystemUser() {
if (hos::GetVersion() >= hos::Version_9_0_0) {
return InitializeImpl(InitializeMode_SystemUser);
} else {
return InitializeImpl(InitializeMode_Normal);
}
}
Result Finalize() {
std::scoped_lock lk(g_initialize_mutex);
if (g_initialize_count > 0) {
if ((--g_initialize_count) == 0) {
::timeExit();
g_initialize_mode = InitializeMode_None;
}
}
return ResultSuccess();
}
bool IsInitialized() {
std::scoped_lock lk(g_initialize_mutex);
return g_initialize_count > 0;
}
bool IsValidDate(int year, int month, int day) {
return impl::util::IsValidDate(year, month, day);
}
Result GetElapsedSecondsBetween(s64 *out, const SteadyClockTimePoint &from, const SteadyClockTimePoint &to) {
return impl::util::GetSpanBetween(out, from, to);
}
}