Fix signal processing on windows, fixes #822

Author: gnodet

demo/src/main/java/org/jline/demo/TerminalDemo.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023, the original author or authors.
+ *
+ * This software is distributable under the BSD license. See the terms of the
+ * BSD license in the documentation provided with this software.
+ *
+ * https://opensource.org/licenses/BSD-3-Clause
+ */
+package org.jline.demo;
+
+import org.jline.terminal.Terminal;
+import org.jline.terminal.TerminalBuilder;
+
+public class TerminalDemo {
+
+    public static void main(String[] args) throws Exception {
+        try (Terminal terminal = TerminalBuilder.terminal() )
+        {
+            terminal.enterRawMode();
+
+            terminal.writer().println("Terminal: " + terminal);
+            terminal.writer().println("Type characters, which will be echoed to the terminal. Q will also exit this example.");
+            terminal.writer().println();
+            terminal.writer().flush();
+
+            while (true) {
+                int c = terminal.reader().read(16);
+                if (c >= 0) {
+                    terminal.writer().write(c);
+                    terminal.writer().flush();
+
+                    // Use "q" to quit early
+                    if (c == 81 || c == 113) break;
+                } else {
+                    if (c == -1) break; // Got EOF
+                }
+            }
+        }
+    }
+}

terminal/src/main/java/org/jline/terminal/impl/AbstractWindowsTerminal.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2019, the original author or authors.
+ * Copyright (c) 2002-2023, the original author or authors.
  *
  * This software is distributable under the BSD license. See the terms of the
  * BSD license in the documentation provided with this software.
@@ -170,6 +170,9 @@ public void setAttributes(Attributes attr) {
 
     protected void updateConsoleMode() {
         int mode = ENABLE_WINDOW_INPUT;
+        if (attributes.getLocalFlag(Attributes.LocalFlag.ISIG)) {
+            mode |= ENABLE_PROCESSED_INPUT;
+        }
         if (attributes.getLocalFlag(Attributes.LocalFlag.ECHO)) {
             mode |= ENABLE_ECHO_INPUT;
         }