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rename to s_disconnect and make file-scope static
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55ae38a138
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331f39e6a5
@ -31,14 +31,14 @@
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// technically not allowed there, even though in practice it would work.
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// The good thing with C++11 atomics is that we can use atomic<bool> instead
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// here and be on the actually supported path.
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std::atomic<bool> disconnect;
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static std::atomic<bool> s_disconnect;
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void SigInt( int )
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{
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// Relaxed order is closest to a traditional `volatile` write.
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// We don't need stronger ordering since this signal handler doesn't do
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// anything else that would need to be ordered relatively to this.
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disconnect.store(true, std::memory_order_relaxed);
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s_disconnect.store(true, std::memory_order_relaxed);
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}
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[[noreturn]] void Usage()
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@ -146,15 +146,15 @@ int main( int argc, char** argv )
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const auto t0 = std::chrono::high_resolution_clock::now();
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while( worker.IsConnected() )
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{
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// Relaxed order is sufficient here because `disconnect` is only ever
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// Relaxed order is sufficient here because `s_disconnect` is only ever
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// set by this thread or by the SigInt handler, and that handler does
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// nothing else than storing `disconnect`.
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if( disconnect.load( std::memory_order_relaxed ) )
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// nothing else than storing `s_disconnect`.
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if( s_disconnect.load( std::memory_order_relaxed ) )
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{
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worker.Disconnect();
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// Relaxed order is sufficient because only this thread ever reads
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// this value.
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disconnect.store(false, std::memory_order_relaxed );
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s_disconnect.store(false, std::memory_order_relaxed );
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break;
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}
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@ -188,7 +188,7 @@ int main( int argc, char** argv )
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{
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// Relaxed order is sufficient because only this thread ever reads
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// this value.
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disconnect.store(true, std::memory_order_relaxed );
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s_disconnect.store(true, std::memory_order_relaxed );
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}
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}
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}
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