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Atmosphere/libraries/libmesosphere/source/svc/kern_svc_activity.cpp

101 lines
4.1 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 <mesosphere.hpp>
namespace ams::kern::svc {
/* ============================= Common ============================= */
namespace {
constexpr bool IsValidThreadActivity(ams::svc::ThreadActivity thread_activity) {
switch (thread_activity) {
case ams::svc::ThreadActivity_Runnable:
case ams::svc::ThreadActivity_Paused:
return true;
default:
return false;
}
}
constexpr bool IsValidProcessActivity(ams::svc::ProcessActivity process_activity) {
switch (process_activity) {
case ams::svc::ProcessActivity_Runnable:
case ams::svc::ProcessActivity_Paused:
return true;
default:
return false;
}
}
Result SetThreadActivity(ams::svc::Handle thread_handle, ams::svc::ThreadActivity thread_activity) {
/* Validate the activity. */
R_UNLESS(IsValidThreadActivity(thread_activity), svc::ResultInvalidEnumValue());
/* Get the thread from its handle. */
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
/* Check that the activity is being set on a non-current thread for the current process. */
R_UNLESS(thread->GetOwnerProcess() == GetCurrentProcessPointer(), svc::ResultInvalidHandle());
R_UNLESS(thread.GetPointerUnsafe() != GetCurrentThreadPointer(), svc::ResultBusy());
/* Set the activity. */
R_TRY(thread->SetActivity(thread_activity));
return ResultSuccess();
}
Result SetProcessActivity(ams::svc::Handle process_handle, ams::svc::ProcessActivity process_activity) {
/* Validate the activity. */
R_UNLESS(IsValidProcessActivity(process_activity), svc::ResultInvalidEnumValue());
/* Get the process from its handle. */
KScopedAutoObject process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle);
R_UNLESS(process.IsNotNull(), svc::ResultInvalidHandle());
/* Check that the activity isn't being set on the current process. */
R_UNLESS(process.GetPointerUnsafe() != GetCurrentProcessPointer(), svc::ResultBusy());
/* Set the activity. */
R_TRY(process->SetActivity(process_activity));
return ResultSuccess();
}
}
/* ============================= 64 ABI ============================= */
Result SetThreadActivity64(ams::svc::Handle thread_handle, ams::svc::ThreadActivity thread_activity) {
return SetThreadActivity(thread_handle, thread_activity);
}
Result SetProcessActivity64(ams::svc::Handle process_handle, ams::svc::ProcessActivity process_activity) {
return SetProcessActivity(process_handle, process_activity);
}
/* ============================= 64From32 ABI ============================= */
Result SetThreadActivity64From32(ams::svc::Handle thread_handle, ams::svc::ThreadActivity thread_activity) {
return SetThreadActivity(thread_handle, thread_activity);
}
Result SetProcessActivity64From32(ams::svc::Handle process_handle, ams::svc::ProcessActivity process_activity) {
return SetProcessActivity(process_handle, process_activity);
}
}