private static void showThreads(PrintStream pw, ThreadGroup g, Thread current) { int nthreads = g.activeCount(); pw.println("\nThread Group = " + g.getName() + " activeCount= " + nthreads); Thread[] tarray = new Thread[nthreads]; int n = g.enumerate(tarray, false); for (int i = 0; i < n; i++) { Thread thread = tarray[i]; ClassLoader loader = thread.getContextClassLoader(); String loaderName = (loader == null) ? "Default" : loader.getClass().getName(); Thread.State state = thread.getState(); long id = thread.getId(); pw.print(" " + id + " " + thread.getName() + " " + state + " " + loaderName); if (thread == current) pw.println(" **** CURRENT ***"); else pw.println(); } int ngroups = g.activeGroupCount(); ThreadGroup[] garray = new ThreadGroup[ngroups]; int ng = g.enumerate(garray, false); for (int i = 0; i < ng; i++) { ThreadGroup nested = garray[i]; showThreads(pw, nested, current); } }
public static void showThreads(PrintStream pw) { Thread current = Thread.currentThread(); ThreadGroup group = current.getThreadGroup(); while (true) { if (group.getParent() == null) break; group = group.getParent(); } showThreads(pw, group, current); }