public static boolean printStacks(int pid) {
    return printStacks(pid, false);
  }
Tells a process to print its stacks to its standard output

@param pid the id of the process that will print its stacks, or zero for the current process
@return true if the process was told; false if it does not exist or can not be told.
geode-logging/src/main/java/org/apache/geode/logging/internal/OSProcess.java