feat: initial project commit

src/Process/Execution/ProcessHandle.Windows.cs

@@ -0,0 +1,79 @@
+using System.Diagnostics;
+using System.Runtime.Versioning;
+using System.Text;
+
+namespace Geekeey.Extensions.Process;
+
+internal partial class ProcessHandle
+{
+	private const string CSharpSourceText =
+		"""
+		[DllImport("kernel32.dll", SetLastError = true)]
+		public static extern bool FreeConsole();
+
+		[DllImport("kernel32.dll", SetLastError = true)]
+		public static extern bool AttachConsole(uint p);
+
+		[DllImport("kernel32.dll", SetLastError = true)]
+		public static extern bool SetConsoleCtrlHandler(uint p, bool a);
+
+		[DllImport("kernel32.dll", SetLastError = true)]
+		public static extern bool GenerateConsoleCtrlEvent(uint e, uint p);
+
+		public static int NotifyCtrlEvent(uint pid, uint sig)
+		{
+			// detach from the current console, if one is attached to the process.
+			FreeConsole();
+
+			var success =
+				// attach to the target process group
+				AttachConsole(pid) &&
+				// set to ignore signals on self, so the proper exit code can be return
+				SetConsoleCtrlHandler(0, true) &&
+				// send the signal to the process group
+				GenerateConsoleCtrlEvent(sig, 0);
+
+			return success ? 0 : Marshal.GetLastWin32Error();
+		}
+		""";
+
+	private const string PowerShellSourceText =
+		"""
+		Add-Type -Namespace 'Win32' -Name 'Notify' -Language CSharp -MemberDefinition '{0}';
+		exit [Win32.Notify]::NotifyCtrlEvent({1}, {2})
+		""";
+
+	[SupportedOSPlatform("windows")]
+	private static bool SendCtrlSignal(int processId, ConsoleCtrlEvent ctrl)
+	{
+		using var process = new System.Diagnostics.Process();
+
+		var text = string.Format(PowerShellSourceText, CSharpSourceText, processId, (uint)ctrl);
+		text = Convert.ToBase64String(Encoding.Unicode.GetBytes(text));
+
+		process.StartInfo = new ProcessStartInfo
+		{
+			FileName = "powershell.exe",
+			Arguments = $"-NoLogo -NoProfile -ExecutionPolicy Bypass -EncodedCommand {text}",
+			CreateNoWindow = true,
+			UseShellExecute = false
+		};
+
+		if (!process.Start())
+			return false;
+
+		if (!process.WaitForExit(30_000))
+			return false;
+
+		return process.ExitCode == 0;
+	}
+
+	internal enum ConsoleCtrlEvent
+	{
+		CTRL_C_EVENT = 0, // SIGINT
+		CTRL_BREAK_EVENT = 1, // SIGQUIT
+		CTRL_CLOSE_EVENT = 2, // SIGHUP
+		CTRL_LOGOFF_EVENT = 5, // SIGHUP
+		CTRL_SHUTDOWN_EVENT = 6, // SIGTERM
+	}
+}