| /* Copyright 2016 The Roughtime Authors. |
| * |
| * 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. */ |
| |
| #include "sys_time.h" |
| |
| #if defined(__MACH__) |
| #include <sys/time.h> |
| #else |
| #include <time.h> |
| #endif |
| |
| #include "logging.h" |
| |
| namespace roughtime { |
| |
| static const uint32_t kOneSecondRadius = 1000000; |
| |
| SystemTimeSource::SystemTimeSource() {} |
| |
| SystemTimeSource::~SystemTimeSource() {} |
| |
| #if defined(__MACH__) |
| std::pair<rough_time_t, uint32_t> SystemTimeSource::Now() { |
| struct timeval tv; |
| ROUGHTIME_CHECK_EQ(0, gettimeofday(&tv, nullptr)); |
| uint64_t now = tv.tv_sec; |
| now *= 1000000; |
| now += tv.tv_usec; |
| |
| return std::make_pair(now, kOneSecondRadius); |
| } |
| #else |
| std::pair<rough_time_t, uint32_t> SystemTimeSource::Now() { |
| struct timespec ts; |
| ROUGHTIME_CHECK_EQ(0, clock_gettime(CLOCK_REALTIME_COARSE, &ts)); |
| uint64_t now = ts.tv_sec; |
| now *= 1000000; |
| now += ts.tv_nsec / 1000; |
| |
| return std::make_pair(now, kOneSecondRadius); |
| } |
| #endif |
| |
| } // namespace roughtime |