pf2: implement critical sections

libraries/libvapours/source/prfile2/prfile2_system.cpp

@@ -0,0 +1,48 @@
+/*
+ * 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/>.
+ */
+#if defined(ATMOSPHERE_IS_STRATOSPHERE)
+#include <stratosphere.hpp>
+#elif defined(ATMOSPHERE_IS_MESOSPHERE)
+#include <mesosphere.hpp>
+#elif defined(ATMOSPHERE_IS_EXOSPHERE)
+#include <exosphere.hpp>
+#else
+#include <vapours.hpp>
+#endif
+
+namespace ams::prfile2::system {
+
+    void Initialize() {
+        /* ... */
+    }
+
+    pf::Error GetCurrentContextId(u64 *out) {
+        /* Check that out isn't null. */
+        if (out == nullptr) {
+            return static_cast<pf::Error>(-2);
+        }
+
+        /* Set the output. */
+        #if defined(AMS_PRFILE2_THREAD_SAFE)
+        *out = reinterpret_cast<u64>(os::GetCurrentThread());
+        #else
+        *out = 0;
+        #endif
+
+        return pf::Error_Ok;
+    }
+
+}