| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| #ifndef APACHE_HTRACE_UTIL_TIME_H |
| #define APACHE_HTRACE_UTIL_TIME_H |
| |
| /** |
| * @file time.h |
| * |
| * Functions for dealing with time. |
| * |
| * This is an internal header, not intended for external use. |
| */ |
| |
| #include <stdint.h> |
| |
| struct htrace_log; |
| struct timespec; |
| struct timeval; |
| |
| /** |
| * Convert a timespec into a time in milliseconds. |
| * |
| * @param ts The timespec to convert. |
| * |
| * @return The current time in milliseconds. |
| */ |
| uint64_t timespec_to_ms(const struct timespec *ts); |
| |
| /** |
| * Convert a time in milliseconds into a timespec. |
| * |
| * @param ms The time in milliseconds to convert. |
| * @param ts (out param) The timespec to fill. |
| */ |
| void ms_to_timespec(uint64_t ms, struct timespec *ts); |
| |
| /** |
| * Convert a time in milliseconds into a timeval. |
| * |
| * @param ms The time in milliseconds to convert. |
| * @param tv (out param) The timeval to fill. |
| */ |
| void ms_to_timeval(uint64_t ms, struct timeval *tv); |
| |
| /** |
| * Get the current wall-clock time in milliseconds. |
| * |
| * @param log The log to use for error messsages. |
| * |
| * @return The current wall-clock time in milliseconds. |
| */ |
| uint64_t now_ms(struct htrace_log *log); |
| |
| /** |
| * Get the current monotonic time in milliseconds. |
| * |
| * @param log The log to use for error messsages. |
| * |
| * @return The current monotonic clock time in milliseconds. |
| */ |
| uint64_t monotonic_now_ms(struct htrace_log *log); |
| |
| /** |
| * Sleep for at least a given number of milliseconds. |
| * |
| * @param ms The number of milliseconds to sleep. |
| */ |
| void sleep_ms(uint64_t ms); |
| |
| #endif |
| |
| // vim: ts=4:sw=4:et |