ams: support building unit test programs on windows/linux/macos

libraries/libstratosphere/source/os/impl/os_process_handle_impl.os.linux.hpp

@@ -0,0 +1,41 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::os::impl {
+
+    class ProcessHandleLinuxImpl {
+        public:
+            static consteval NativeHandle GetCurrentProcessHandle() {
+                /* TODO: PseudoHandle define? */
+                return -2;
+            }
+
+            static ALWAYS_INLINE Result GetProcessId(ProcessId *out, NativeHandle handle) {
+                AMS_UNUSED(out, handle);
+                AMS_ABORT("TODO");
+            }
+
+            static ALWAYS_INLINE Result GetProgramId(ncm::ProgramId *out, NativeHandle handle) {
+                AMS_UNUSED(out, handle);
+                AMS_ABORT("TODO");
+            }
+    };
+
+    using ProcessHandleImpl = ProcessHandleLinuxImpl;
+
+}