Fix for 190277: Stopping a debugg session causes all user processes to terminate (Patch by Piotr Kundu)

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/MIInferior.java

@@ -8,6 +8,7 @@
  * Contributors:
  *     QNX Software Systems - Initial API and implementation
  *     Hewlett-Packard Development Company - fix for bug 109733
+ *     ENEA Software AB - CLI command extension - fix for bug 190277
  *******************************************************************************/
 package org.eclipse.cdt.debug.mi.core;
 
@@ -21,9 +22,11 @@ import org.eclipse.cdt.debug.mi.core.command.CommandFactory;
 import org.eclipse.cdt.debug.mi.core.command.CLIExecAbort;
 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.CLIInfoProc;
 import org.eclipse.cdt.debug.mi.core.command.CLIInfoProgram;
 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.CLIInfoProcInfo;
 import org.eclipse.cdt.debug.mi.core.output.CLIInfoProgramInfo;
 
 /**
@@ -328,15 +331,27 @@ public class MIInferior extends Process {
 			int pid = 0;
 			// Do not try this on attach session.
 			if (!isConnected()) {
-				// Try to discover the pid
+				// Try to discover the pid using GDB/CLI Command "info proc"
 				CommandFactory factory = session.getCommandFactory();
-				CLIInfoProgram prog = factory.createCLIInfoProgram();
+				CLIInfoProc proc = factory.createCLIInfoProc();
 				try {
 					RxThread rxThread = session.getRxThread();
 					rxThread.setEnableConsole(false);
+					session.postCommand(proc); 
+					CLIInfoProcInfo infoProc = proc.getMIInfoProcInfo();
+					pid = infoProc.getPID();
+				} catch (MIException e) {
+					// no rethrown.
+				}
+				
+				// Try to discover the pid using GDB/CLI Command "info program" if "info proc" failed
+				try {
+					if(pid <= 0){ 
+					CLIInfoProgram prog = factory.createCLIInfoProgram();
 					session.postCommand(prog);
 					CLIInfoProgramInfo info = prog.getMIInfoProgramInfo();
 					pid = info.getPID();
+					}
 				} catch (MIException e) {
 					// no rethrown.
 				} finally {

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/command/CLIInfoProc.java

@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2007 ENEA Software AB and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     ENEA Software AB - CLI command extension - fix for bug 190277
+ *******************************************************************************/
+
+package org.eclipse.cdt.debug.mi.core.command;
+
+import org.eclipse.cdt.debug.mi.core.MIException;
+import org.eclipse.cdt.debug.mi.core.output.MIInfo;
+import org.eclipse.cdt.debug.mi.core.output.CLIInfoProcInfo;
+import org.eclipse.cdt.debug.mi.core.output.MIOutput;
+
+/**
+ * 
+ *    info proc
+ *
+ */
+public class CLIInfoProc extends CLICommand 
+{
+	public CLIInfoProc() {
+		super("info proc");  //$NON-NLS-1$
+	}
+
+	public CLIInfoProcInfo getMIInfoProcInfo() throws MIException {
+		return (CLIInfoProcInfo)getMIInfo();
+	}
+
+	public MIInfo getMIInfo() throws MIException {
+		MIInfo info = null;
+		MIOutput out = getMIOutput();
+		if (out != null) {
+			info = new CLIInfoProcInfo(out);
+			if (info.isError()) {
+				throwMIException(info, out);
+			}
+		}
+		return info;
+	}
+}

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/command/CommandFactory.java

@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     QNX Software Systems - Initial API and implementation
+ *     ENEA Software AB - CLI command extension - fix for bug 190277
  *******************************************************************************/
 
 package org.eclipse.cdt.debug.mi.core.command;
@@ -45,7 +46,7 @@ public class CommandFactory {
 	public MIBreakAfter createMIBreakAfter(int brknum, int count) {
 		return new MIBreakAfter(getMIVersion(), brknum, count);
 	}
-	
+
 	public MIBreakCondition createMIBreakCondition (int brknum, String expr) {
 		return new MIBreakCondition(getMIVersion(), brknum, expr);
 	}
@@ -307,13 +308,13 @@ public class CommandFactory {
 		return new MITargetDetach(getMIVersion());
 	}
 
-    public MITargetDownload createMITargetDownload(String file) {
-        return new MITargetDownload(getMIVersion(), file);
-    }
+	public MITargetDownload createMITargetDownload(String file) {
+		return new MITargetDownload(getMIVersion(), file);
+	}
 
-    public MITargetSelect createMITargetSelect(String[] params) {
-        return new MITargetSelect(getMIVersion(), params);
-    }
+	public MITargetSelect createMITargetSelect(String[] params) {
+		return new MITargetSelect(getMIVersion(), params);
+	}
 
 	public MIThreadListIds createMIThreadListIds() {
 		return new MIThreadListIds(getMIVersion());
@@ -363,6 +364,10 @@ public class CommandFactory {
 		return new CLIPType(name);
 	}
 
+	public CLIInfoProc createCLIInfoProc() {
+		return new CLIInfoProc();
+	}
+
 	public CLIInfoProgram createCLIInfoProgram() {
 		return new CLIInfoProgram();
 	}

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/output/CLIInfoProcInfo.java

@@ -0,0 +1,74 @@
+/*******************************************************************************
+ * Copyright (c) 2007 ENEA Software AB and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     ENEA Software AB - CLI command extension - fix for bug 190277
+ *******************************************************************************/
+
+package org.eclipse.cdt.debug.mi.core.output;
+
+import java.util.StringTokenizer;
+
+
+/**
+ * GDB/CLI info proc parsing.
+(gdb) info proc
+process 19127 flags:
+PR_STOPPED Process (LWP) is stopped
+PR_ISTOP Stopped on an event of interest
+PR_RLC Run-on-last-close is in effect
+PR_FAULTED : Incurred a traced hardware fault FLTBPT: Breakpoint trap
+ */
+public class CLIInfoProcInfo extends MIInfo {
+
+	int pid;
+
+	public CLIInfoProcInfo(MIOutput out) {
+		super(out);
+		parse();
+	}
+
+	public int getPID() {
+		return pid;
+	}
+
+	void parse() {
+		if (isDone()) {
+			MIOutput out = getMIOutput();
+			MIOOBRecord[] oobs = out.getMIOOBRecords();
+			for (int i = 0; i < oobs.length; i++) {
+				if (oobs[i] instanceof MIConsoleStreamOutput) {
+					MIStreamRecord cons = (MIStreamRecord) oobs[i];
+					String str = cons.getString();
+					// We are interested in the process info and PID
+					parseLine(str);
+				}
+			}
+		}
+	}
+
+	void parseLine(String str) {
+		if (str != null && str.length() > 0) {
+			str = str.trim();
+			if (!str.startsWith("process")) {  //$NON-NLS-1$
+				return;
+			}
+			StringTokenizer st = new StringTokenizer(str);
+			while (st.hasMoreTokens()) {
+				String s = st.nextToken();
+				if (Character.isDigit(s.charAt(0))) {
+					try {
+						pid = Integer.decode(s).intValue();
+						break;
+					} catch (NumberFormatException e) {
+					}
+				}
+			}
+		}
+	}
+
+}

debug/org.eclipse.cdt.debug.mi.core/mi/org/eclipse/cdt/debug/mi/core/output/CLIInfoProgramInfo.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2006 QNX Software Systems and others.
+ * Copyright (c) 2000, 2007 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -7,6 +7,7 @@
  *
  * Contributors:
  *     QNX Software Systems - Initial API and implementation
+ *     ENEA Software AB - CLI command extension - fix for bug 190277
  *******************************************************************************/
 package org.eclipse.cdt.debug.mi.core.output;
 
@@ -15,7 +16,7 @@ import java.util.StringTokenizer;
 
 /**
  * GDB/MI info program parsing.
-(gdb) 
+(gdb)
 info program
 &"info program\n"
 ~"\tUsing the running image of child process 21301.\n"
@@ -23,7 +24,7 @@ info program
 ~"It stopped at breakpoint 1.\n"
 ~"Type \"info stack\" or \"info registers\" for more information.\n"
 ^done
-(gdb) 
+(gdb)
 
  */
 public class CLIInfoProgramInfo extends MIInfo {
@@ -62,6 +63,9 @@ public class CLIInfoProgramInfo extends MIInfo {
 				StringTokenizer st = new StringTokenizer(str);
 				while (st.hasMoreTokens()) {
 					String s = st.nextToken();
+					/* Not a process id if LWP is reported */
+					if (s.equals("LWP")) break; //$NON-NLS-1$
+
 					if (Character.isDigit(s.charAt(0))) {
 						try {
 							pid = Integer.decode(s).intValue();