302         }
 303         return get(ppid);
 304     }
 305 
 306     /**
 307      * Returns the parent of the native pid argument.
 308      *
 309      * @param pid the process id
 310      * @param startTime the startTime of the process
 311      * @return the parent of the native pid; if any, otherwise -1
 312      */
 313     private static native long parent0(long pid, long startTime);
 314 
 315     /**
 316      * Returns the number of pids filled in to the array.
 317      * @param pid if {@code pid} equals zero, then all known processes are returned;
 318      *      otherwise only direct child process pids are returned
 319      * @param pids an allocated long array to receive the pids
 320      * @param ppids an allocated long array to receive the parent pids; may be null
 321      * @param starttimes an allocated long array to receive the child start times; may be null
 322      * @return if greater than or equals to zero is the number of pids in the array;
 323      *      if greater than the length of the arrays, the arrays are too small
 324      */
 325     private static native int getProcessPids0(long pid, long[] pids,
 326                                               long[] ppids, long[] starttimes);
 327 
 328     /**
 329      * Destroy the process for this ProcessHandle.
 330      * The native code checks the start time before sending the termination request.
 331      *
 332      * @param force {@code true} if the process should be terminated forcibly;
 333      *     else {@code false} for a normal termination
 334      */
 335     boolean destroyProcess(boolean force) {
 336         if (this.equals(current)) {
 337             throw new IllegalStateException("destroy of current process not allowed");
 338         }
 339         return destroy0(pid, startTime, force);
 340     }
 341 
 342     /**

 302         }
 303         return get(ppid);
 304     }
 305 
 306     /**
 307      * Returns the parent of the native pid argument.
 308      *
 309      * @param pid the process id
 310      * @param startTime the startTime of the process
 311      * @return the parent of the native pid; if any, otherwise -1
 312      */
 313     private static native long parent0(long pid, long startTime);
 314 
 315     /**
 316      * Returns the number of pids filled in to the array.
 317      * @param pid if {@code pid} equals zero, then all known processes are returned;
 318      *      otherwise only direct child process pids are returned
 319      * @param pids an allocated long array to receive the pids
 320      * @param ppids an allocated long array to receive the parent pids; may be null
 321      * @param starttimes an allocated long array to receive the child start times; may be null
 322      * @return if greater than or equal to zero is the number of pids in the array;
 323      *      if greater than the length of the arrays, the arrays are too small
 324      */
 325     private static native int getProcessPids0(long pid, long[] pids,
 326                                               long[] ppids, long[] starttimes);
 327 
 328     /**
 329      * Destroy the process for this ProcessHandle.
 330      * The native code checks the start time before sending the termination request.
 331      *
 332      * @param force {@code true} if the process should be terminated forcibly;
 333      *     else {@code false} for a normal termination
 334      */
 335     boolean destroyProcess(boolean force) {
 336         if (this.equals(current)) {
 337             throw new IllegalStateException("destroy of current process not allowed");
 338         }
 339         return destroy0(pid, startTime, force);
 340     }
 341 
 342     /**