os: refactor/rewrite entire namespace.

2025-05-20 09:55:07 -04:00 · 2020-04-08 02:21:35 -07:00 · 2020-04-08 02:21:35 -07:00 · 065485b971
commit 065485b971
parent 6193283f03
181 changed files with 5353 additions and 1929 deletions
--- a/libraries/libstratosphere/source/os/os_waitable.cpp
+++ b/libraries/libstratosphere/source/os/os_waitable.cpp
@ -0,0 +1,151 @@
+/*
+ * 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 *ReinterpretAsWaitableHolder(impl::WaitableHolderBase *base) {
+            return reinterpret_cast<WaitableHolderType *>(base);
+        }
+
+    }
+
+    void InitializeWaitableManager(WaitableManagerType *manager) {
+        /* Initialize storage. */
+        new (std::addressof(GetWaitableManagerImpl(manager))) impl::WaitableManagerImpl;
+
+        /* Mark initialized. */
+        manager->state = WaitableManagerType::State_Initialized;
+    }
+
+    void FinalizeWaitableManager(WaitableManagerType *manager) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(impl.IsEmpty());
+
+        /* Mark not initialized. */
+        manager->state = WaitableManagerType::State_NotInitialized;
+
+        /* Destroy. */
+        impl.~WaitableManagerImpl();
+    }
+
+    WaitableHolderType *WaitAny(WaitableManagerType *manager) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(!impl.IsEmpty());
+
+        auto *holder = ReinterpretAsWaitableHolder(impl.WaitAny());
+        AMS_ASSERT(holder != nullptr);
+        return holder;
+    }
+
+    WaitableHolderType *TryWaitAny(WaitableManagerType *manager) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(!impl.IsEmpty());
+
+        auto *holder = ReinterpretAsWaitableHolder(impl.TryWaitAny());
+        return holder;
+    }
+
+    WaitableHolderType *TimedWaitAny(WaitableManagerType *manager, TimeSpan timeout) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(!impl.IsEmpty());
+        AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
+
+        auto *holder = ReinterpretAsWaitableHolder(impl.TimedWaitAny(timeout));
+        return holder;
+    }
+
+    void FinalizeWaitableHolder(WaitableHolderType *holder) {
+        auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
+
+        AMS_ASSERT(!holder_base->IsLinkedToManager());
+
+        holder_base->~WaitableHolderBase();
+    }
+
+    void LinkWaitableHolder(WaitableManagerType *manager, WaitableHolderType *holder) {
+        auto &impl = GetWaitableManagerImpl(manager);
+        auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(!holder_base->IsLinkedToManager());
+
+        impl.LinkWaitableHolder(*holder_base);
+        holder_base->SetManager(&impl);
+    }
+
+    void UnlinkWaitableHolder(WaitableHolderType *holder) {
+        auto *holder_base = reinterpret_cast<impl::WaitableHolderBase *>(GetPointer(holder->impl_storage));
+
+        /* Don't allow unlinking of an unlinked holder. */
+        AMS_ABORT_UNLESS(holder_base->IsLinkedToManager());
+
+        holder_base->GetManager()->UnlinkWaitableHolder(*holder_base);
+        holder_base->SetManager(nullptr);
+    }
+
+    void UnlinkAllWaitableHolder(WaitableManagerType *manager) {
+        auto &impl = GetWaitableManagerImpl(manager);
+
+        AMS_ASSERT(manager->state == WaitableManagerType::State_Initialized);
+
+        return impl.UnlinkAll();
+    }
+
+    void MoveAllWaitableHolder(WaitableManagerType *_dst, WaitableManagerType *_src) {
+        auto &dst = GetWaitableManagerImpl(_dst);
+        auto &src = GetWaitableManagerImpl(_src);
+
+        AMS_ASSERT(_dst->state == WaitableManagerType::State_Initialized);
+        AMS_ASSERT(_src->state == WaitableManagerType::State_Initialized);
+
+        return dst.MoveAllFrom(src);
+    }
+
+    void SetWaitableHolderUserData(WaitableHolderType *holder, uintptr_t user_data) {
+        holder->user_data = user_data;
+    }
+
+    uintptr_t GetWaitableHolderUserData(const WaitableHolderType *holder) {
+        return holder->user_data;
+    }
+
+    void InitializeWaitableHolder(WaitableHolderType *holder, Handle handle) {
+        AMS_ASSERT(handle != svc::InvalidHandle);
+
+        new (GetPointer(holder->impl_storage)) impl::WaitableHolderOfHandle(handle);
+
+        holder->user_data = 0;
+    }
+
+}