std::atomic<T>::load

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atomic_fetch_addatomic_fetch_add_explicit (C++11)(C++11)
atomic_fetch_subatomic_fetch_sub_explicit (C++11)(C++11)
atomic_fetch_andatomic_fetch_and_explicit (C++11)(C++11)
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atomic_fetch_xoratomic_fetch_xor_explicit (C++11)(C++11)
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std::atomic

Member functions
atomic::atomic
atomic::operator=
atomic::is_lock_free
atomic::store
atomic::load
atomic::operator T
atomic::exchange
atomic::compare_exchange_strongatomic::compare_exchange_weak
atomic::wait (C++20)
atomic::notify_one (C++20)
atomic::notify_all (C++20)
Constants
atomic::is_always_lock_free (C++17)
Specialized member functions
Specialized for integral, floating-point(C++20) and pointer types
atomic::fetch_add
atomic::fetch_sub
atomic::operator+=atomic::operator-=
Specialized for integral and pointer types only
atomic::fetch_max (C++26)
atomic::fetch_min (C++26)
atomic::operator++atomic::operator++(int)atomic::operator--atomic::operator--(int)
Specialized for integral types only
atomic::fetch_and
atomic::fetch_or
atomic::fetch_xor
atomic::operator&=atomic::operator\|=atomic::operator^=

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T load(std::memory_order order =std::memory_order_seq_cst)constnoexcept;	(1)	(since C++11)
T load(std::memory_order order =std::memory_order_seq_cst)constvolatilenoexcept;	(2)	(since C++11)

Atomically loads and returns the current value of the atomic variable. Memory is affected according to the value oforder.

Iforder is one ofstd::memory_order_release andstd::memory_order_acq_rel, the behavior is undefined.

It is deprecated ifstd::atomic<T>::is_always_lock_free isfalse and overload(2) participates in overload resolution.

(since C++20)

[edit]Parameters

order

memory order constraints to enforce

[edit]Return value

The current value of the atomic variable.

[edit]See also

operator T	loads a value from an atomic object (public member function)[edit]
atomic_loadatomic_load_explicit (C++11)(C++11)	atomically obtains the value stored in an atomic object (function template)[edit]

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std::atomic<T>::load

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