Bitcoin Core  0.20.99
P2P Digital Currency
threadinterrupt.cpp
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1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2018 The Bitcoin Core developers
3 // Distributed under the MIT software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 
6 #include <threadinterrupt.h>
7 
8 #include <sync.h>
9 
11 
12 CThreadInterrupt::operator bool() const
13 {
14  return flag.load(std::memory_order_acquire);
15 }
16 
18 {
19  flag.store(false, std::memory_order_release);
20 }
21 
23 {
24  {
25  LOCK(mut);
26  flag.store(true, std::memory_order_release);
27  }
28  cond.notify_all();
29 }
30 
31 bool CThreadInterrupt::sleep_for(std::chrono::milliseconds rel_time)
32 {
33  WAIT_LOCK(mut, lock);
34  return !cond.wait_for(lock, rel_time, [this]() { return flag.load(std::memory_order_acquire); });
35 }
36 
37 bool CThreadInterrupt::sleep_for(std::chrono::seconds rel_time)
38 {
39  return sleep_for(std::chrono::duration_cast<std::chrono::milliseconds>(rel_time));
40 }
41 
42 bool CThreadInterrupt::sleep_for(std::chrono::minutes rel_time)
43 {
44  return sleep_for(std::chrono::duration_cast<std::chrono::milliseconds>(rel_time));
45 }
bool sleep_for(std::chrono::milliseconds rel_time)
std::condition_variable cond
#define LOCK(cs)
Definition: sync.h:230
std::atomic< bool > flag
#define WAIT_LOCK(cs, name)
Definition: sync.h:235