std::atomic::load
? | ? | (since C++11) |
|---|---|---|
T load( std::memory_order order = std::memory_order_seq_cst ) const; | ? | ? |
T load( std::memory_order order = std::memory_order_seq_cst ) const volatile; | ? | ? |
原子加载并返回原子变量的当前值。的值影响内存。order...
order一定是std::memory_order_relaxed，，，std::memory_order_consume，，，std::memory_order_acquire或std::memory_order_seq_cst否则，行为是未定义的。
参数
order | - | memory order constraints to enforce |
|---|
返回值
原子变量的当前值。
例外
noexcept规格：
noexcept
另见
operator T | loads a value from an atomic object (public member function) |
|---|---|
atomic_loadatomic_load_explicit (C++11)(C++11) | atomically obtains the value stored in an atomic object (function template) |
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