80 lines
2.2 KiB
Java
80 lines
2.2 KiB
Java
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package android.system;
|
|
|
|
import libcore.util.Objects;;
|
|
|
|
/**
|
|
* Corresponds to C's {@code struct timespec} from {@code <time.h>}.
|
|
*/
|
|
public final class StructTimespec implements Comparable<StructTimespec> {
|
|
/** Seconds part of time of last data modification. */
|
|
public final long tv_sec; /*time_t*/
|
|
|
|
/** Nanoseconds (values are [0, 999999999]). */
|
|
public final long tv_nsec;
|
|
|
|
public StructTimespec(long tv_sec, long tv_nsec) {
|
|
this.tv_sec = tv_sec;
|
|
this.tv_nsec = tv_nsec;
|
|
if (tv_nsec < 0 || tv_nsec > 999_999_999) {
|
|
throw new IllegalArgumentException(
|
|
"tv_nsec value " + tv_nsec + " is not in [0, 999999999]");
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int compareTo(StructTimespec other) {
|
|
if (tv_sec > other.tv_sec) {
|
|
return 1;
|
|
}
|
|
if (tv_sec < other.tv_sec) {
|
|
return -1;
|
|
}
|
|
if (tv_nsec > other.tv_nsec) {
|
|
return 1;
|
|
}
|
|
if (tv_nsec < other.tv_nsec) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
|
|
StructTimespec that = (StructTimespec) o;
|
|
|
|
if (tv_sec != that.tv_sec) return false;
|
|
return tv_nsec == that.tv_nsec;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
int result = (int) (tv_sec ^ (tv_sec >>> 32));
|
|
result = 31 * result + (int) (tv_nsec ^ (tv_nsec >>> 32));
|
|
return result;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return Objects.toString(this);
|
|
}
|
|
}
|