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https://github.com/Atmosphere-NX/Atmosphere.git
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70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "fssrv_program_info.hpp"
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namespace ams::fssrv::impl {
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namespace {
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constinit os::SdkMutex g_mutex;
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constinit bool g_initialized = false;
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constinit u64 g_initial_process_id_min = 0;
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constinit u64 g_initial_process_id_max = 0;
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constinit u64 g_current_process_id = 0;
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ALWAYS_INLINE void InitializeInitialAndCurrentProcessId() {
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if (AMS_UNLIKELY(!g_initialized)) {
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std::scoped_lock lk(g_mutex);
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if (AMS_LIKELY(!g_initialized)) {
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/* Get initial process id range. */
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R_ABORT_UNLESS(svc::GetSystemInfo(std::addressof(g_initial_process_id_min), svc::SystemInfoType_InitialProcessIdRange, svc::InvalidHandle, svc::InitialProcessIdRangeInfo_Minimum));
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R_ABORT_UNLESS(svc::GetSystemInfo(std::addressof(g_initial_process_id_max), svc::SystemInfoType_InitialProcessIdRange, svc::InvalidHandle, svc::InitialProcessIdRangeInfo_Maximum));
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AMS_ABORT_UNLESS(0 < g_initial_process_id_min);
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AMS_ABORT_UNLESS(g_initial_process_id_min <= g_initial_process_id_max);
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/* Get current procss id. */
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R_ABORT_UNLESS(svc::GetProcessId(std::addressof(g_current_process_id), svc::PseudoHandle::CurrentProcess));
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/* Set initialized. */
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g_initialized = true;
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}
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}
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}
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}
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bool IsInitialProgram(u64 process_id) {
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/* Initialize/sanity check. */
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InitializeInitialAndCurrentProcessId();
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AMS_ABORT_UNLESS(g_initial_process_id_min > 0);
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/* Check process id in range. */
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return g_initial_process_id_min <= process_id && process_id <= g_initial_process_id_max;
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}
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bool IsCurrentProcess(u64 process_id) {
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/* Initialize. */
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InitializeInitialAndCurrentProcessId();
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return process_id == g_current_process_id;
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}
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}
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