os: implement 11.x SdkReplyAndReceive

libraries/libstratosphere/source/os/os_sdk_reply_and_receive.cpp

@@ -0,0 +1,47 @@
+/*
+ * 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 <stratosphere.hpp>
+#include "impl/os_waitable_manager_impl.hpp"
+#include "impl/os_waitable_holder_base.hpp"
+#include "impl/os_waitable_holder_impl.hpp"
+
+namespace ams::os {
+
+    namespace {
+
+        ALWAYS_INLINE impl::WaitableManagerImpl &GetWaitableManagerImpl(WaitableManagerType *manager) {
+            return GetReference(manager->impl_storage);
+        }
+
+        ALWAYS_INLINE WaitableHolderType *CastToWaitableHolder(impl::WaitableHolderBase *base) {
+            return reinterpret_cast<WaitableHolderType *>(base);
+        }
+
+    }
+
+    Result SdkReplyAndReceive(os::WaitableHolderType **out, Handle reply_target, WaitableManagerType *manager) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(!impl.IsEmpty());
+
+        impl::WaitableHolderBase *holder_base;
+        ON_SCOPE_EXIT { *out = CastToWaitableHolder(holder_base); };
+
+        return impl.ReplyAndReceive(std::addressof(holder_base), reply_target);
+    }
+
+}