1/*
2 * Copyright (C) 2016 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#include "chre/platform/system_time.h"
18
19#include <cerrno>
20#include <cstring>
21#include <ctime>
22
23#include "chre/platform/assert.h"
24#include "chre/platform/log.h"
25
26namespace chre {
27
28Nanoseconds SystemTime::getMonotonicTime() {
29  struct timespec timeNow;
30  if (clock_gettime(CLOCK_MONOTONIC, &timeNow)) {
31    CHRE_ASSERT_LOG(false, "Failed to obtain time with error: %s",
32                    strerror(errno));
33    return Nanoseconds(UINT64_MAX);
34  }
35
36  return Seconds(timeNow.tv_sec) + Nanoseconds(timeNow.tv_nsec);
37}
38
39}  // namespace chre
40