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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package libcore.io;
     18 
     19 /**
     20  * Corresponds to C's {@code struct timeval} from
     21  * <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_time.h.html">&lt;sys/time.h&gt;</a>
     22  */
     23 public final class StructTimeval {
     24     /** Seconds. */
     25     public final long tv_sec;
     26 
     27     /** Microseconds. */
     28     public final long tv_usec;
     29 
     30     private StructTimeval(long tv_sec, long tv_usec) {
     31         this.tv_sec = tv_sec;
     32         this.tv_usec = tv_usec;
     33     }
     34 
     35     public static StructTimeval fromMillis(long millis) {
     36         long tv_sec = millis / 1000;
     37         long tv_usec = (millis - (tv_sec * 1000)) * 1000;
     38         return new StructTimeval(tv_sec, tv_usec);
     39     }
     40 
     41     public long toMillis() {
     42         return (tv_sec * 1000) + (tv_usec / 1000);
     43     }
     44 
     45     @Override public String toString() {
     46         return "StructTimeval[tv_sec=" + tv_sec + ",tv_usec=" + tv_usec + "]";
     47     }
     48 }
     49