Botan
2.19.3
Crypto and TLS for C&
src
lib
utils
thread_utils
barrier.cpp
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/*
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* Barrier
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* (C) 2016 Joel Low
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*
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* Botan is released under the Simplified BSD License (see license.txt)
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*/
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#include <botan/internal/barrier.h>
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namespace
Botan
{
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void
Barrier::wait
(
size_t
delta)
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{
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std::lock_guard<std::mutex> lock(m_mutex);
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m_value += delta;
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}
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void
Barrier::sync
()
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{
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std::unique_lock<std::mutex> lock(m_mutex);
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if
(m_value > 1)
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{
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--m_value;
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const
size_t
current_syncs = m_syncs;
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m_cond.wait(lock, [
this
, ¤t_syncs] {
return
m_syncs != current_syncs; });
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}
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else
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{
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m_value = 0;
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++m_syncs;
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m_cond.notify_all();
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}
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}
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}
Botan::Barrier::wait
void wait(size_t delta)
Definition
barrier.cpp:12
Botan::Barrier::sync
void sync()
Definition
barrier.cpp:18
Botan
Definition
alg_id.cpp:13
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