std::atomic::fetch_or
From cppreference.com
| (since C++11) (member only of atomic<Integral> template specialization) |
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| T fetch_or( T arg, memory_order = std::memory_order_seq_cst ); |
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| T fetch_or( T arg, memory_order = std::memory_order_seq_cst ) volatile; |
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Atomically replaces the current value with the result of bitwise OR of the value and arg. The operation is read-modify-write operation. Memory is affected according to the value of memory_order.
Contents |
[edit] Parameters
| arg | - | the other argument of bitwise OR |
| memory_order | - | memory order constraints to enforce |
[edit] Return value
The value of the atomic variable before the call.
[edit] Exceptions
noexcept specification:
noexcept
[edit] See also
| (C++11)(C++11) |
replaces the atomic object with the result of logical OR with a non-atomic argument and obtains the previous value of the atomic (function template) |