happens-before#

形容操作之间的内存可见性 Simply happens-before Strongly happens-before

Modification order#

Write-write coherence Write-read coherence Read-read coherence Read-write coherence

sequenced-before#

同一个线程中的可见性 carries-dependency

release-sequence#

dependency-ordered before#

Inter-thread happens-before#

Synchronizes with#

Visible side-effects#

Consume operation#

Acquire operation#

Release operation#

Relaxed ordering#

Release-Acquire ordering#

Release-Consume ordering#

Sequentially-consistent ordering#

参考#

https://zh.cppreference.com/w/cpp/atomic/memory_order https://doc.rust-lang.org/std/sync/atomic/enum.Ordering.html