Rollup of 7 pull requests#99569

Closed

Dylan-DPC wants to merge 22 commits intorust-lang:masterfrom

Dylan-DPC:rollup-6cq0ct6

Commits on Jun 30, 2022

std: use futex-based locks on Fuchsia
joboet
committed

Commits on Jul 8, 2022

Commits on Jul 12, 2022

std: fix issue with perma-locked mutexes on Fuchsia
joboet
committed

Commits on Jul 18, 2022

Commits on Jul 20, 2022

Commits on Jul 21, 2022