| // std::chrono::tai_clock, gps_clock | |
| // Copyright (C) 2021-2026 Free Software Foundation, Inc. | |
| // | |
| // This file is part of the GNU ISO C++ Library. This library is free | |
| // software; you can redistribute it and/or modify it under the | |
| // terms of the GNU General Public License as published by the | |
| // Free Software Foundation; either version 3, or (at your option) | |
| // any later version. | |
| // This library is distributed in the hope that it will be useful, | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| // GNU General Public License for more details. | |
| // Under Section 7 of GPL version 3, you are granted additional | |
| // permissions described in the GCC Runtime Library Exception, version | |
| // 3.1, as published by the Free Software Foundation. | |
| // You should have received a copy of the GNU General Public License and | |
| // a copy of the GCC Runtime Library Exception along with this program; | |
| // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| // <http://www.gnu.org/licenses/>. | |
| // | |
| // ISO C++ 14882:2020 | |
| // 27.7.4 [time.clock.tai], 27.7.5 [time.clock.gps] | |
| // P0355R7 | |
| #include <chrono> | |
| namespace std _GLIBCXX_VISIBILITY(default) | |
| { | |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
| namespace chrono | |
| { | |
| #if defined __glibcxx_chrono_cxx20 && _GLIBCXX_HOSTED | |
| // TODO use CLOCK_TAI on linux, add extension point. | |
| time_point<tai_clock> | |
| tai_clock::now() | |
| { return from_utc(utc_clock::now()); } | |
| // TODO add extension point. | |
| time_point<gps_clock> | |
| gps_clock::now() | |
| { return from_utc(utc_clock::now()); } | |
| #endif | |
| } | |
| _GLIBCXX_END_NAMESPACE_VERSION | |
| } |