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Convert synchronized usages to AutoLock #5083

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sbordet opened this issue Jul 27, 2020 · 3 comments · Fixed by #5084
Closed

Convert synchronized usages to AutoLock #5083

sbordet opened this issue Jul 27, 2020 · 3 comments · Fixed by #5084
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sbordet commented Jul 27, 2020

Jetty version
10.0.x

Description
To be more Loom friendly we need the usages of synchronized to be converted to use java.util.locks.Lock or, better, Jetty's AutoLock.

This would allow early testing of Loom prototypes on a more fair basis.
@sbordet sbordet self-assigned this Jul 27, 2020
sbordet added a commit that referenced this issue Jul 27, 2020
@sbordet
Fixes #5083 - Convert synchronized usages to AutoLock.
8d69fc4 
* Replaced relevant usages of synchronized with AutoLock.
* Made AutoLock serializable since classes that use it may be stored in the HttpSession.
* Added convenience methods to AutoLock to execute lambdas with the lock held.
* Introduced AutoLock.WithCondition to use a Lock and a Condition together.

Signed-off-by: Simone Bordet <[email protected]>
@sbordet sbordet linked a pull request Jul 27, 2020 that will close this issue
Fixes #5083 - Convert synchronized usages to AutoLock. #5084
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sbordet commented Jul 27, 2020

This issue is under the Loom umbrella issue #5078.

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gregw commented Jul 28, 2020

But this change needs to stand on it's own merits rather than be justified by Loom.

@sbordet sbordet mentioned this issue Jul 28, 2020
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sbordet commented Jul 28, 2020

@gregw this change has already improved locking in few places, clarified others and spun off #5081 and #5086.

Overall it is a good cleanup, but obviously getting rid of all synchronized is much more than just fixing a few things.
However, we would not have found the few things if we did not do this review 😃

This was referenced Jul 28, 2020
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sbordet added a commit that referenced this issue Jul 29, 2020
@sbordet
Fixes #5083 - Convert synchronized usages to AutoLock.
089e51f 
Updates after review.

Signed-off-by: Simone Bordet <[email protected]>
sbordet added a commit that referenced this issue Aug 4, 2020
@sbordet
Issue #5083 - Convert synchronized usages to AutoLock.
edd6ca2 
Updates after review.

Signed-off-by: Simone Bordet <[email protected]>
sbordet added a commit that referenced this issue Aug 4, 2020
@sbordet
Merge pull request #5084 from eclipse/jetty-10.0.x-convert_synchroniz…
a79c0cf 
…ed_to_autolock

Fixes #5083 - Convert synchronized usages to AutoLock.
sbordet added a commit that referenced this issue Aug 4, 2020
@sbordet
Issue #5083 - Convert synchronized usages to AutoLock.
062878f 
Fixes after merge.

Signed-off-by: Simone Bordet <[email protected]>
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Fixes #5083 - Convert synchronized usages to AutoLock. jetty/jetty.project
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@gregw @sbordet