1 #ifndef DALI_INTERNAL_TIME_SERVICE_H
2 #define DALI_INTERNAL_TIME_SERVICE_H
5 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
32 * @brief Get the monotonic time since the clock's epoch.
34 * @param[out] timeInNanoseconds The time in nanoseconds since the reference point.
36 * @note The maximum value timeInNanoseconds can hold is 0xFFFFFFFFFFFFFFFF which is 1.844674407e+19. Therefore, this can overflow after approximately 584 years.
38 void GetNanoseconds(uint64_t& timeInNanoseconds);
41 * @brief Get the monotonic time since the clock's epoch.
43 * @return The time in milliseconds since the reference point.
45 * @note The maximum value that can be returned is 0xFFFFFFFF which is 4,294,967,295. Therefore, this can overflow after approximately 49 days.
47 uint32_t GetMilliSeconds();
50 * @brief Sleeps until the monotonic time specified since the clock's epoch.
52 * If the time specified has already passed, then it returns immediately.
54 * @param[in] timeInNanoseconds The time to sleep until
56 * @note The maximum value timeInNanoseconds can hold is 0xFFFFFFFFFFFFFFFF which is 1.844674407e+19. Therefore, this can overflow after approximately 584 years.
58 void SleepUntil(uint64_t timeInNanoseconds);
60 } // namespace TimeService
62 } // namespace Adaptor
64 } // namespace Internal
68 #endif // DALI_INTERNAL_TIME_SERVICE_H