ams-mtc: add ams-mtc

Source/Atmosphere-MTC-Unlock/stratosphere/fatal/source/fatal_event_manager.cpp

@@ -0,0 +1,44 @@
+/*
+ * 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>
+#include "fatal_event_manager.hpp"
+
+namespace ams::fatal::srv {
+
+    FatalEventManager::FatalEventManager() : m_lock() {
+        /* Just create all the events. */
+        for (size_t i = 0; i < FatalEventManager::NumFatalEvents; i++) {
+            R_ABORT_UNLESS(os::CreateSystemEvent(std::addressof(m_events[i]), os::EventClearMode_AutoClear, true));
+        }
+    }
+
+    Result FatalEventManager::GetEvent(const os::SystemEventType **out) {
+        std::scoped_lock lk{m_lock};
+
+        /* Only allow GetEvent to succeed NumFatalEvents times. */
+        R_UNLESS(m_num_events_gotten < FatalEventManager::NumFatalEvents, fatal::ResultTooManyEvents());
+
+        *out = std::addressof(m_events[m_num_events_gotten++]);
+        R_SUCCEED();
+    }
+
+    void FatalEventManager::SignalEvents() {
+        for (size_t i = 0; i < FatalEventManager::NumFatalEvents; i++) {
+            os::SignalSystemEvent(std::addressof(m_events[i]));
+        }
+    }
+
+}