atomic_exchange
#
Header File: <Kokkos_Core.hpp>
Usage#
old_val = atomic_exchange(ptr_to_value, new_value);
Atomically sets the value at the address given by ptr_to_value
to new_value
and returns the previously stored value at the address.
Description#
-
template<class T>
T atomic_exchange(T *const ptr_to_value, const T new_value);# Atomically executes
old_value = *ptr_to_value; *ptr_to_value = new_value; return old_value;
, whereold_value
is the value at addressptr_to_value
before doing the exchange.- Parameters:
ptr_to_value – address of the value to be updated
new_value – new value