Reorganize projects

src/WinSW.Core/Native/ProcessApis.cs

@@ -0,0 +1,92 @@
+#pragma warning disable SA1310 // Field names should not contain underscore
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security.Principal;
+
+namespace WinSW.Native
+{
+    internal static class ProcessApis
+    {
+        internal const uint CREATE_NEW_PROCESS_GROUP = 0x00000200;
+
+        [DllImport(Libraries.Kernel32, SetLastError = true, CharSet = CharSet.Unicode, EntryPoint = "CreateProcessW")]
+        internal static extern bool CreateProcess(
+            string? applicationName,
+            string? commandLine,
+            IntPtr processAttributes,
+            IntPtr threadAttributes,
+            bool inheritHandles,
+            uint creationFlags,
+            IntPtr environment,
+            string? currentDirectory,
+            in STARTUPINFO startupInfo,
+            out PROCESS_INFORMATION processInformation);
+
+        [DllImport(Libraries.Kernel32)]
+        internal static extern IntPtr GetCurrentProcess();
+
+        [DllImport(Libraries.NtDll)]
+        internal static extern int NtQueryInformationProcess(
+            IntPtr processHandle,
+            PROCESSINFOCLASS processInformationClass,
+            out PROCESS_BASIC_INFORMATION processInformation,
+            int processInformationLength,
+            IntPtr returnLength = default);
+
+        [DllImport(Libraries.Advapi32, SetLastError = true)]
+        internal static extern bool OpenProcessToken(
+            IntPtr processHandle,
+            TokenAccessLevels desiredAccess,
+            out IntPtr tokenHandle);
+
+        internal enum PROCESSINFOCLASS
+        {
+            ProcessBasicInformation = 0,
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        internal unsafe struct PROCESS_BASIC_INFORMATION
+        {
+#pragma warning disable SA1306 // Field names should begin with lower-case letter
+            private readonly IntPtr Reserved1;
+            private readonly IntPtr PebBaseAddress;
+            private readonly IntPtr Reserved2_1;
+            private readonly IntPtr Reserved2_2;
+            internal readonly IntPtr UniqueProcessId;
+            internal readonly IntPtr InheritedFromUniqueProcessId;
+#pragma warning restore SA1306 // Field names should begin with lower-case letter
+        }
+
+        internal struct PROCESS_INFORMATION
+        {
+            public IntPtr ProcessHandle;
+            public IntPtr ThreadHandle;
+            public int ProcessId;
+            public int ThreadId;
+        }
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        internal struct STARTUPINFO
+        {
+            public int Size;
+            public string Reserved;
+            public string Desktop;
+            public string Title;
+            public int X;
+            public int Y;
+            public int XSize;
+            public int YSize;
+            public int XCountChars;
+            public int YCountChars;
+            public int FillAttribute;
+            public int Flags;
+            public short ShowWindow;
+            public short ReservedSize2;
+            public IntPtr Reserved2;
+            public IntPtr StdInputHandle;
+            public IntPtr StdOutputHandle;
+            public IntPtr StdErrorHandle;
+        }
+    }
+}