64b68bedc5
Currently, SetGCPercent(-1) disables GC, but doesn't wait for any currently running concurrent GC to finish, so GC can still be running when it returns. This is a change in behavior from Go 1.8, probably defies user expectations, and can break various runtime tests that depend on SetGCPercent(-1) to disable garbage collection in order to prevent preemption deadlocks. Fix this by making SetGCPercent(-1) block until any concurrently running GC cycle finishes. Fixes #22443. Change-Id: I904133a34acf97a7942ef4531ace0647b13930ef Reviewed-on: https://go-review.googlesource.com/79195 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> |
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The Go Programming Language
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