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Data Race

Two threads access the same memory location concurrently, at least one access is a write, and no synchronization orders them. In C, C++, and Rust a data race is undefined behavior, not merely a nondeterministic result.

Questions this Concept answers

Why does Rust's ownership and borrowing model rule out data races in safe code?

jeremy Text

Data Races in C++

A data race happens when two threads touch the same piece of memory at the same time, at least one of them is writing, and nothing orders the two accesses. The page shows this with two threads each a…