Spinlock() { lock = 1; } // Init here to workaround a bug with MSVC 2013
void acquire() {
while (lock.fetch_sub(1, std::memory_order_acquire) != 1)
- for (int cnt = 0; lock.load(std::memory_order_relaxed) <= 0; ++cnt)
- if (cnt >= 10000) std::this_thread::yield(); // Be nice to hyperthreading
+ while (lock.load(std::memory_order_relaxed) <= 0)
+ std::this_thread::yield(); // Be nice to hyperthreading
}
void release() { lock.store(1, std::memory_order_release); }
};