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#if 0
#include <stdatomic.h>
void atomic_signal_fence(memory_order order)
{
switch (order) {
case memory_order_relaxed:
break;
case memory_order_acquire:
case memory_order_consume:
/* acquire fence */
break;
case memory_order_release:
/* release fence */
break;
case memory_order_acq_rel:
/* acquire fence and release fence */
break;
case memory_order_seq_cst:
/* sequentially consistent acquire and release fence */
break;
}
}
#endif
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