15 lines
286 B
C++
15 lines
286 B
C++
#include <atomic>
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class spinlock_mutex {
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std::atomic_flag flag;
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public:
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spinlock_mutex() : flag(ATOMIC_FLAG_INIT) {}
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void lock()
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{
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while (flag.test_and_set(std::memory_order_acquire))
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;
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}
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void unlock() { flag.clear(std::memory_order_release); }
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};
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