c33ced6d8a
Signals can be delivered on a different thread. There is no necessary happens-before relationship between setting sig.inuse in signal_enable and checking it in sigsend. It is theoretically possible, if unlikely, that sig.inuse is set by thread 1, thread 2 receives a signal, does not see that sig.inuse is set, and discards the signal. This could happen if the signal is received immediately after the first call to signal_enable. For #33174 Change-Id: Idb0f1c77847b7d4d418bd139e801c0c4460531d2 Reviewed-on: https://go-review.googlesource.com/c/go/+/312131 Trust: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com> |
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