From 2e8a72022ab27d50d622af8be3ca397a6fdce93f Mon Sep 17 00:00:00 2001
From: Alain Magloire <alain@qnx.com>
Date: Fri, 30 Jan 2004 17:15:50 +0000
Subject: [PATCH] Allow the client to overload the interrupt

---
 debug/org.eclipse.cdt.debug.mi.core/ChangeLog |  9 ++++++
 .../eclipse/cdt/debug/mi/core/MIInferior.java | 32 ++++++++++++-------
 .../eclipse/cdt/debug/mi/core/TxThread.java   |  2 +-
 .../debug/mi/core/command/CommandFactory.java |  2 +-
 .../cdt/debug/mi/core/command/MICommand.java  |  4 +++
 5 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/debug/org.eclipse.cdt.debug.mi.core/ChangeLog b/debug/org.eclipse.cdt.debug.mi.core/ChangeLog
index 22ab5ed6219..949bc620686 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.mi.core/ChangeLog
@@ -1,3 +1,12 @@
+2004-01-30 Alain Magloire
+
+	Allow the clients to override the interrupt.
+
+	* src/org/eclipse/cdt/debug/mi/core/MIInferior.java
+	* src/org/eclipse/cdt/debug/mi/core/TxThread.java
+	* src/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java
+	* src/org/eclipse/cdt/debug/mi/core/command/MICommand.java
+
 2004-01-29 Alain Magloire
 
 	The CDT debug ui prefers things to be in ascending
diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIInferior.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIInferior.java
index 8ecb0b45c1c..3e100d5f6c2 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIInferior.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/MIInferior.java
@@ -12,10 +12,12 @@ import java.io.PipedOutputStream;
 
 import org.eclipse.cdt.debug.mi.core.command.CommandFactory;
 import org.eclipse.cdt.debug.mi.core.command.MIExecAbort;
+import org.eclipse.cdt.debug.mi.core.command.MIExecInterrupt;
 import org.eclipse.cdt.debug.mi.core.command.MIGDBShowExitCode;
 import org.eclipse.cdt.debug.mi.core.command.MIInfoProgram;
 import org.eclipse.cdt.debug.mi.core.event.MIInferiorExitEvent;
 import org.eclipse.cdt.debug.mi.core.output.MIGDBShowExitCodeInfo;
+import org.eclipse.cdt.debug.mi.core.output.MIInfo;
 import org.eclipse.cdt.debug.mi.core.output.MIInfoProgramInfo;
 import org.eclipse.cdt.utils.pty.PTY;
 import org.eclipse.cdt.utils.spawner.Spawner;
@@ -171,7 +173,24 @@ public class MIInferior extends Process {
 
 	public synchronized void interrupt() throws MIException {
 		Process gdb = session.getGDBProcess();
-		if (gdb instanceof Spawner) {
+		// Check if they can handle the interrupt
+		// Try the exec-interrupt; this will be for "gdb --async"
+		CommandFactory factory = session.getCommandFactory();
+		MIExecInterrupt interrupt = factory.createMIExecInterrupt();
+		if (interrupt != null) {
+			try {
+				session.postCommand(interrupt);
+				MIInfo info = interrupt.getMIInfo();
+				// Allow (5 secs) for the interrupt to propagate.
+				for (int i = 0;(state == RUNNING) && i < 5; i++) {
+					try {
+						wait(1000);
+					} catch (InterruptedException e) {
+					}
+				}
+			} catch (MIException e) {
+			}
+		} else if (gdb instanceof Spawner) {
 			Spawner gdbSpawner = (Spawner) gdb;
 			gdbSpawner.interrupt();
 			// Allow (5 secs) for the interrupt to propagate.
@@ -191,17 +210,8 @@ public class MIInferior extends Process {
 					}
 				}
 			}
-		} else {
-			// Try the exec-interrupt; this will be for "gdb --async"
-			// CommandFactory factory = session.getCommandFactory();
-			// MIExecInterrupt interrupt = factory.createMIExecInterrupt();
-			// try {
-			// 	session.postCommand(interrupt);
-			// 	MIInfo info = interrupt.getMIInfo();
-			// } catch (MIException e) {
-			// }
-			//throw new MIException("Interruption no supported");
 		}
+
 		// If we've failed throw an exception up.
 		if (state == RUNNING) {
 			throw new MIException("Failed to interrupt");
diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/TxThread.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/TxThread.java
index eaad1eb1fa8..d5857b04644 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/TxThread.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/TxThread.java
@@ -59,7 +59,7 @@ public class TxThread extends Thread {
 				
 					// shove in the pipe
 					String str = cmd.toString();
-					if (out != null) {
+					if (out != null && str.length() > 0) {
 						out.write(str.getBytes());
 						out.flush();
 					}
diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java
index 5d9b5f330f1..e7eede96ba2 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java
@@ -134,7 +134,7 @@ public class CommandFactory {
 	}
 
 	public MIExecInterrupt createMIExecInterrupt() {
-		return new MIExecInterrupt();
+		return null;
 	}
 
 	public MIExecNext createMIExecNext() {
diff --git a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MICommand.java b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MICommand.java
index 55fb82144e8..5742a3e7944 100644
--- a/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MICommand.java
+++ b/debug/org.eclipse.cdt.debug.mi.core/src/org/eclipse/cdt/debug/mi/core/command/MICommand.java
@@ -40,6 +40,10 @@ public class MICommand extends Command {
 		return operation;
 	}
 
+	protected void setOperation(String op) {
+		operation = op; 
+	}
+
 	/**
 	 * Returns an array of command's options. An empty collection is 
 	 * returned if there are no options.