Revert "Signal handling should be signal-safe"

Description

Revert "Signal handling should be signal-safe"

Some bots don't have double-pointer width compare-and-exchange. Revert for now.q

Details

Committed
jfbTue, May 15, 9:36 PM
Differential Revision
D46858: Signal handling should be signal-safe
Parents
rL332428: Signal handling should be signal-safe
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