scs: implement EventHandlerThread for shell

libraries/libstratosphere/source/htc/tenv/htc_tenv.cpp

@@ -15,6 +15,7 @@
  */
 #include <stratosphere.hpp>
 #include "impl/htc_tenv_allocator.hpp"
+#include "impl/htc_tenv_impl.hpp"
 
 namespace ams::htc::tenv {
 
@@ -23,4 +24,8 @@ namespace ams::htc::tenv {
         impl::InitializeAllocator(allocate, deallocate);
     }
 
+    void UnregisterDefinitionFilePath(os::ProcessId process_id) {
+        return impl::UnregisterDefinitionFilePath(process_id.value);
+    }
+
 }

libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_definition_file_info.hpp

@@ -0,0 +1,40 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "htc_tenv_allocator.hpp"
+
+namespace ams::htc::tenv::impl {
+
+    struct DefinitionFileInfo : public util::IntrusiveListBaseNode<DefinitionFileInfo> {
+        u64 process_id;
+        Path path;
+
+        DefinitionFileInfo(u64 pid, Path *p) : process_id(pid) {
+            AMS_ASSERT(p != nullptr);
+            util::Strlcpy(this->path.str, p->str, PathLengthMax);
+        }
+
+        static void *operator new(size_t size) {
+            return Allocate(size);
+        }
+
+        static void operator delete(void *p, size_t size) {
+            Deallocate(p, size);
+        }
+    };
+
+}

libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_impl.cpp

@@ -0,0 +1,81 @@
+/*
+ * 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 "htc_tenv_impl.hpp"
+#include "htc_tenv_definition_file_info.hpp"
+
+namespace ams::htc::tenv::impl {
+
+    namespace {
+
+        class DefinitionFileInfoManager {
+            private:
+                using DefinitionFileInfoList = util::IntrusiveListBaseTraits<DefinitionFileInfo>::ListType;
+            private:
+                DefinitionFileInfoList m_list;
+                os::SdkMutex m_mutex;
+            public:
+                constexpr DefinitionFileInfoManager() = default;
+
+                ~DefinitionFileInfoManager() {
+                    while (!m_list.empty()) {
+                        auto *p = std::addressof(*m_list.rbegin());
+                        m_list.erase(m_list.iterator_to(*p));
+                        delete p;
+                    }
+                }
+
+                void Remove(DefinitionFileInfo *info) {
+                    std::scoped_lock lk(m_mutex);
+
+                    m_list.erase(m_list.iterator_to(*info));
+                    delete info;
+                }
+
+                DefinitionFileInfo *GetInfo(u64 process_id) {
+                    std::scoped_lock lk(m_mutex);
+
+                    for (auto &info : m_list) {
+                        if (info.process_id == process_id) {
+                            return std::addressof(info);
+                        }
+                    }
+
+                    return nullptr;
+                }
+        };
+
+        constinit DefinitionFileInfoManager g_definition_file_info_manager;
+
+        ALWAYS_INLINE DefinitionFileInfoManager &GetDefinitionFileInfoManager() {
+            return g_definition_file_info_manager;
+        }
+
+    }
+
+    void UnregisterDefinitionFilePath(u64 process_id) {
+        /* Require the process id to be valid. */
+        if (process_id == 0) {
+            return;
+        }
+
+        /* Remove the definition file info, if we have one. */
+        if (auto *info = GetDefinitionFileInfoManager().GetInfo(process_id); info != nullptr) {
+            GetDefinitionFileInfoManager().Remove(info);
+        }
+    }
+
+}

libraries/libstratosphere/source/htc/tenv/impl/htc_tenv_impl.hpp

@@ -0,0 +1,23 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htc::tenv::impl {
+
+    void UnregisterDefinitionFilePath(u64 process_id);
+
+}