public static boolean killProcess(final int pid) {
    isTrue(pid > 0, "Invalid pid '" + pid + "' specified");

    return internal.killProcess(pid);
  }
Returns true if a process identified by the process id was running on this host machine and has
been terminated by this operation.

@param pid process id
@return true if the process was terminated by this operation
geode-core/src/main/java/org/apache/geode/internal/process/ProcessUtils.java