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version 2.109.0

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Function core.stdc.stdatomic.atomic_compare_exchange_weak_explicit_impl

bool atomic_compare_exchange_weak_explicit_impl(A, B, C) (
  shared(A)* obj,
  B* expected,
  C desired,
  memory_order succ,
  memory_order fail
) @trusted;

Example

shared(int) obj = 3;
int expected = 3;
atomic_compare_exchange_weak_explicit_impl(&obj, &expected, 2, memory_order.memory_order_seq_cst, memory_order.memory_order_seq_cst);

Example

align(size_t[2].sizeof) shared(size_t[2]) obj = [3, 4];
size_t[2] expected = [3, 4];
size_t[2] toSwap = [1, 2];
assert(atomic_compare_exchange_weak_explicit_impl(&obj, &expected, toSwap, memory_order.memory_order_seq_cst, memory_order.memory_order_seq_cst));

Example

shared(float) obj = 3;
float expected = 3;
atomic_compare_exchange_weak_explicit_impl(&obj, &expected, 2, memory_order.memory_order_seq_cst, memory_order.memory_order_seq_cst);

Authors

Richard (Rikki) Andrew cattermole

License

Boost License 1.0