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spin-wait-for.hpp
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1 /*
2 * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
3 *
4 * Contact: Jan Olszak <j.olszak@samsung.com>
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License
17 */
18 
25 #include <chrono>
26 #include <thread>
27 
28 namespace utils {
29 
30 template<class Predicate>
31 bool spinWaitFor(int timeoutMs, Predicate pred)
32 {
33  auto until = std::chrono::steady_clock::now() + std::chrono::milliseconds(timeoutMs);
34  while (!pred()) {
35  if (std::chrono::steady_clock::now() >= until) {
36  return false;
37  }
38  std::this_thread::sleep_for(std::chrono::milliseconds(100));
39  }
40  return true;
41 }
42 
43 } // namespace utils
bool spinWaitFor(int timeoutMs, Predicate pred)
Definition: spin-wait-for.hpp:31