private void commandKill(StringTokenizer t) throws NoSessionException {
// ### Should change the way in which thread ids and threadgroup names
// ### are distinguished.
if (!t.hasMoreTokens()) {
env.error("Usage: kill <threadgroup name> or <thread id>");
return;
}
while (t.hasMoreTokens()) {
String idToken = t.nextToken();
ThreadReference thread = findThread(idToken);
if (thread != null) {
runtime.stopThread(thread);
env.notice("Thread " + thread.name() + " killed.");
return;
} else {
/* Check for threadgroup name, NOT skipping "system". */
// ### Should skip "system"? Classic 'jdb' does this.
// ### Should deal with possible non-uniqueness of threadgroup names.
ThreadGroupIterator itg = allThreadGroups();
while (itg.hasNext()) {
ThreadGroupReference tg = itg.nextThreadGroup();
if (tg.name().equals(idToken)) {
ThreadIterator it = new ThreadIterator(tg);
while (it.hasNext()) {
runtime.stopThread(it.nextThread());
}
env.notice("Threadgroup " + tg.name() + "killed.");
return;
}
}
env.failure("\"" + idToken + "\" is not a valid threadgroup or id.");
}
}
}
private void commandWhere(StringTokenizer t, boolean showPC) throws NoSessionException {
ThreadReference current = context.getCurrentThread();
if (!t.hasMoreTokens()) {
if (current == null) {
env.error("No thread specified.");
return;
}
dumpStack(current, showPC);
} else {
String token = t.nextToken();
if (token.toLowerCase().equals("all")) {
ThreadIterator it = allThreads();
while (it.hasNext()) {
ThreadReference thread = it.next();
out.println(thread.name() + ": ");
dumpStack(thread, showPC);
}
} else {
ThreadReference thread = findThread(t.nextToken());
// ### Do we want to set current thread here?
// ### Should notify user of change.
if (thread != null) {
context.setCurrentThread(thread);
}
dumpStack(thread, showPC);
}
}
}
private ThreadReference[] threads() throws NoSessionException {
if (threads == null) {
ThreadIterator ti = new ThreadIterator(getDefaultThreadGroup());
List<ThreadReference> tlist = new ArrayList<ThreadReference>();
while (ti.hasNext()) {
tlist.add(ti.nextThread());
}
threads = tlist.toArray(new ThreadReference[tlist.size()]);
}
return threads;
}
private void commandResume(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
// Suspend all threads in the current thread group.
// ### Issue: help message says default is all threads.
// ### Behavior here agrees with 'jdb', however.
ThreadIterator ti = currentThreadGroupThreads();
while (ti.hasNext()) {
// TODO - don't suspend debugger threads
ti.nextThread().resume();
}
env.notice("All threads resumed.");
} else {
while (t.hasMoreTokens()) {
ThreadReference thread = findThread(t.nextToken());
if (thread != null) {
// thread.resume();
runtime.resumeThread(thread);
}
}
}
}