Debugger CLI: Add "threads" command

It just lists the team's thread.

src/apps/debugger/Jamfile

@@ -176,6 +176,7 @@ Application Debugger :
 	# user_interface/cli
 	CliCommand.cpp
 	CliContext.cpp
+	CliThreadsCommand.cpp
 	CliQuitCommand.cpp
 	CommandLineUserInterface.cpp
 

src/apps/debugger/user_interface/cli/CliThreadsCommand.cpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "CliThreadsCommand.h"
+
+#include <stdio.h>
+
+#include <AutoLocker.h>
+
+#include "CliContext.h"
+#include "Team.h"
+#include "UiUtils.h"
+
+
+CliThreadsCommand::CliThreadsCommand()
+	:
+	CliCommand("list the team's threads",
+		"%s\n"
+		"Lists the team's threads.")
+{
+}
+
+
+void
+CliThreadsCommand::Execute(int argc, const char* const* argv,
+	CliContext& context)
+{
+	Team* team = context.GetTeam();
+	AutoLocker<Team> teamLocker(team);
+
+	printf("        ID  state      name\n");
+	printf("----------------------------\n");
+
+	for (ThreadList::ConstIterator it = team->Threads().GetIterator();
+		 	Thread* thread = it.Next();) {
+		const char* stateString = UiUtils::ThreadStateToString(
+			thread->State(), thread->StoppedReason());
+		printf("%10" B_PRId32 "  %-9s  \"%s\"\n", thread->ID(), stateString,
+			thread->Name());
+	}
+}

src/apps/debugger/user_interface/cli/CliThreadsCommand.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef CLI_THREADS_COMMAND_H
+#define CLI_THREADS_COMMAND_H
+
+
+#include "CliCommand.h"
+
+
+class CliThreadsCommand : public CliCommand {
+public:
+								CliThreadsCommand();
+	virtual	void				Execute(int argc, const char* const* argv,
+									CliContext& context);
+};
+
+
+#endif	// CLI_THREADS_COMMAND_H

src/apps/debugger/user_interface/cli/CommandLineUserInterface.cpp

@@ -20,6 +20,7 @@
 
 #include "CliContext.h"
 #include "CliQuitCommand.h"
+#include "CliThreadsCommand.h"
 
 
 // #pragma mark - CommandEntry
@@ -243,7 +244,8 @@ status_t
 CommandLineUserInterface::_RegisterCommands()
 {
 	if (_RegisterCommand("help", new(std::nothrow) HelpCommand(this)) &&
-		_RegisterCommand("quit", new(std::nothrow) CliQuitCommand)) {
+		_RegisterCommand("quit", new(std::nothrow) CliQuitCommand) &&
+		_RegisterCommand("threads", new(std::nothrow) CliThreadsCommand)) {
 		return B_OK;
 	}