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 android.system;
18 
19 import libcore.util.Objects;
20 
21 /**
22  * Corresponds to C's {@code struct timeval} from
23  * <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_time.h.html">&lt;sys/time.h&gt;</a>
24  *
25  * @hide
26  */
27 public final class StructTimeval {
28   /** Seconds. */
29   public final long tv_sec;
30 
31   /** Microseconds. */
32   public final long tv_usec;
33 
StructTimeval(long tv_sec, long tv_usec)34   private StructTimeval(long tv_sec, long tv_usec) {
35     this.tv_sec = tv_sec;
36     this.tv_usec = tv_usec;
37   }
38 
fromMillis(long millis)39   public static StructTimeval fromMillis(long millis) {
40     long tv_sec = millis / 1000;
41     long tv_usec = (millis - (tv_sec * 1000)) * 1000;
42     return new StructTimeval(tv_sec, tv_usec);
43   }
44 
toMillis()45   public long toMillis() {
46     return (tv_sec * 1000) + (tv_usec / 1000);
47   }
48 
toString()49   @Override public String toString() {
50     return Objects.toString(this);
51   }
52 }
53