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re-strengthened atomic_integral (insert-visit sync)

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joaquintides
2023-12-26 10:01:16 +01:00
parent 1418b96fb2
commit c861b082b3
1 changed files with 12 additions and 0 deletions
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12
include/boost/unordered/detail/foa/concurrent_table.hpp
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@ -203,6 +203,17 @@ private:
template<typename Integral> template<typename Integral>
struct atomic_integral struct atomic_integral
{ {
#if defined(BOOST_UNORDERED_LATCH_FREE)
operator Integral()const{return n.load(std::memory_order_acquire);}
void operator=(Integral m){n.store(m,std::memory_order_release);}
void operator|=(Integral m){n.fetch_or(m);}
void operator&=(Integral m){n.fetch_and(m);}
atomic_integral& operator=(atomic_integral const& rhs) {
n.store(rhs.n.load());
return *this;
}
#else
operator Integral()const{return n.load(std::memory_order_relaxed);} operator Integral()const{return n.load(std::memory_order_relaxed);}
void operator=(Integral m){n.store(m,std::memory_order_relaxed);} void operator=(Integral m){n.store(m,std::memory_order_relaxed);}
void operator|=(Integral m){n.fetch_or(m,std::memory_order_relaxed);} void operator|=(Integral m){n.fetch_or(m,std::memory_order_relaxed);}
@ -212,6 +223,7 @@ struct atomic_integral
n.store(rhs.n.load(std::memory_order_relaxed),std::memory_order_relaxed); n.store(rhs.n.load(std::memory_order_relaxed),std::memory_order_relaxed);
return *this; return *this;
} }
#endif
std::atomic<Integral> n; std::atomic<Integral> n;
}; };