Module atomic 

Conditional atomic updates using the compare/exchange interface supported by the MSRV.

Functions

try_update_i32

Return the previous value after a successful update, or the observed value when the callback returns None. The callback can run repeatedly after contention; the orderings apply to the successful exchange and failed reads respectively.

try_update_u64

Return the previous value after a successful update, or the observed value when the callback returns None. The callback can run repeatedly after contention; the orderings apply to the successful exchange and failed reads respectively.