38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2010-2016 Danny Robson <danny@nerdcruft.net>
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*/
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#include "./time.hpp"
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#include "./cast.hpp"
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#include <ctime>
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static constexpr uint64_t SECOND = 1'000'000'000UL;
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///////////////////////////////////////////////////////////////////////////////
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void
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util::sleep (uint64_t ns)
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{
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struct timespec req, rem;
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req.tv_sec = sign_cast<time_t> (ns / SECOND);
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req.tv_nsec = sign_cast<long> (ns % SECOND);
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while (nanosleep (&req, &rem)) {
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req = rem;
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}
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}
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