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zeripath 41fcf7b7de Prevent dangling archiver goroutine (#19516 ) Within doArchive there is a service goroutine that performs the archiving function. This goroutine reports its error using a `chan error` called `done`. Prior to this PR this channel had 0 capacity meaning that the goroutine would block until the `done` channel was cleared - however there are a couple of ways in which this channel might not be read. The simplest solution is to add a single space of capacity to the goroutine which will mean that the goroutine will always complete and even if the `done` channel is not read it will be simply garbage collected away. (The PR also contains two other places when setting up the indexers which do not leak but where the blocking of the sending goroutine is also unnecessary and so we should just add a small amount of capacity and let the sending goroutine complete as soon as it can.) Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de>	3 years ago
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archiver.go	Prevent dangling archiver goroutine (#19516 )	3 years ago
archiver_test.go	Use a struct as test options (#19393 )	3 years ago

Prevent dangling archiver goroutine (#19516 )

Within doArchive there is a service goroutine that performs the
archiving function.  This goroutine reports its error using a `chan
error` called `done`. Prior to this PR this channel had 0 capacity
meaning that the goroutine would block until the `done` channel was
cleared - however there are a couple of ways in which this channel might
not be read.

The simplest solution is to add a single space of capacity to the
goroutine which will mean that the goroutine will always complete and
even if the `done` channel is not read it will be simply garbage
collected away.

(The PR also contains two other places when setting up the indexers
which do not leak but where the blocking of the sending goroutine is
also unnecessary and so we should just add a small amount of capacity
and let the sending goroutine complete as soon as it can.)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: 6543 <6543@obermui.de>

3 years ago

archiver.go

Prevent dangling archiver goroutine (#19516 )

3 years ago

archiver_test.go

Use a struct as test options (#19393 )

3 years ago