redox-rt/src/signal.rs · f28fe4a3875c784534dd486d879a38a1067ca8ee · Peter Limkilde Svendsen / relibc

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9 months ago

Use fetch_add instead of CAS when setting sigmask. · f28fe4a3

Jacob Lorentzon authored 9 months ago

This makes sigprocmask, the way it is currently implemented, wait-free
(technically I think x86 only guarantees LOCK XADD is lock-free and
fair, but still).

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f28fe4a3

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Use fetch_add instead of CAS when setting sigmask.

Jacob Lorentzon authored 9 months ago

This makes sigprocmask, the way it is currently implemented, wait-free
(technically I think x86 only guarantees LOCK XADD is lock-free and
fair, but still).