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This test previously failed if running a new pthread took longer than
a hard-coded 100ms. On some slow or heavily-loaded builders, that
scheduling latency is too short.
Since the point of this test is to verify that the background thread
is not reused after it terminates (see #20395), the arbitrary time
limit does not seem helpful: if the background thread fails to
terminate the test will time out on its own, and if the main goroutine
is scheduled on the background thread the test will fail regardless of
how long it takes.
Fixes #58247.
Change-Id: I626af52aac55af7a4c0e7829798573c479750c20
Reviewed-on: https://go-review.googlesource.com/c/go/+/464735
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
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And then revert the bootstrap cmd directories and certain testdata.
And adjust tests as needed.
Not reverting the changes in std that are bootstrapped,
because some of those changes would appear in API docs,
and we want to use any consistently.
Instead, rewrite 'any' to 'interface{}' in cmd/dist for those directories
when preparing the bootstrap copy.
A few files changed as a result of running gofmt -w
not because of interface{} -> any but because they
hadn't been updated for the new //go:build lines.
Fixes #49884.
Change-Id: Ie8045cba995f65bd79c694ec77a1b3d1fe01bb09
Reviewed-on: https://go-review.googlesource.com/c/go/+/368254
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
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runtime.LockOSThread is sometimes used when the caller intends to put
the OS thread into an unusual state. In this case, we never want to
return this thread to the runtime thread pool. However, currently
exiting the goroutine implicitly unlocks its OS thread.
Fix this by terminating the locked OS thread when its goroutine exits,
rather than simply returning it to the pool.
Fixes #20395.
Change-Id: I3dcec63b200957709965f7240dc216fa84b62ad9
Reviewed-on: https://go-review.googlesource.com/46038
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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