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11 commits

Author SHA1 Message Date
catatsuy
913fb63af2 singleflight: fix typo in singleflight_test.go
Change-Id: Ia2160fdc8f1938d784a4e1595151c00bc521f5c3
Reviewed-on: https://go-review.googlesource.com/c/sync/+/626795
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2024-11-13 01:18:28 +00:00
Eric Wohltman
22ba2078e1 singleflight: add panicError.Unwrap method
Currently when singleflight recovers from a panic, it wraps it with the private
error type panicError. This change adds an `Unwrap` method to panicError to
allow wrapped errors to be returned.

Updates golang/go#62511

Change-Id: Ia510ad7d5881207ef71f9eb89c1766835af19b6b
Reviewed-on: https://go-review.googlesource.com/c/sync/+/526171
Auto-Submit: Bryan Mills <bcmills@google.com>
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2023-09-26 16:46:49 +00:00
Sean Liao
4966af63bb singleflight: example for using Group
Fixes golang/go#60208

Change-Id: I422a45c0f139ba47045f47cec1c96d300a2a424f
Reviewed-on: https://go-review.googlesource.com/c/sync/+/496535
Run-TryBot: Bryan Mills <bcmills@google.com>
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2023-05-23 18:54:36 +00:00
Bryan C. Mills
1ea32573dd singleflight: make the check for exec support in TestPanicDoChan platform-agnostic
The new wasip1 GOOS does not support exec, but some ios environments
(like Corellium) might. Update the test to exec itself with -test.list
as a control case.

For golang/go#58141.

Change-Id: Id69950fc394910620f6c73cb437ca75c09ad8c29
Reviewed-on: https://go-review.googlesource.com/c/sync/+/485980
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2023-04-19 16:11:59 +00:00
Cuong Manh Le
8fcdb60fdc singleflight: avoid race between multiple Do calls
This is port of CL 436437, but without the test. ForgotUnshared has not
been ported here yet.

Change-Id: Id54d0c41d1a7948bf008e458c44b21670ada81e4
Reviewed-on: https://go-review.googlesource.com/c/sync/+/436495
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2022-09-29 20:41:14 +00:00
Cuong Manh Le
7f9b1623fa singleflight: remove forgotten field
Port from CL 433315.

Change-Id: Iaf6ab4676dd10a73443c3c9981ffc77233b4631c
Reviewed-on: https://go-review.googlesource.com/c/sync/+/433555
Reviewed-by: Bryan Mills <bcmills@google.com>
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2022-09-23 20:29:41 +00:00
Cuong Manh Le
67f06af15b singleflight: fix flaky TestForget
There can be a race condition in current TestForget, that said when
"close(secondCh)" is executed, the second goroutine will be finished
immediately, causing the third "g.Do" is evaluated.

To fix this, we change to use "g.DoChan" for both second and third. In
second, we block to make sure it's still running at the time we call
third. after then we unblock second and verify the result.

Fixes golang/go#42092

Change-Id: I980fdf109a531e2b7a74c8149b4fcaa338775e08
Reviewed-on: https://go-review.googlesource.com/c/sync/+/263877
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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2020-10-20 16:03:32 +00:00
Bryan C. Mills
b3e1573b75 singleflight: skip tests involving exec on js/wasm
The js port does not yet support os/exec.

Updates golang/go#37100
Updates golang/go#33519

Change-Id: I9608b7febfdc274dc1b9f34a92d00ef7bea4e13c
Reviewed-on: https://go-review.googlesource.com/c/sync/+/260717
Trust: Bryan C. Mills <bcmills@google.com>
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2020-10-08 14:14:35 +00:00
hanliang.kirk
30421366ff singleflight: fix hangs after first Do panic
When first Do panic, the related wait group will never be done,
and all the subsequent calls would block on the same wait group forever.

Fixes golang/go#41133

Change-Id: I0ad9bfb387b6133b10766a34fc0040f200eae27e
Reviewed-on: https://go-review.googlesource.com/c/sync/+/251677
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2020-09-30 13:27:11 +00:00
LE Manh Cuong
56d357773e singleflight: fix duplicate deleting key when Forget called
When Forget was called, we delete key associated with current call from
map. When that call is done, it does delete key again, causing the same
key set by other call after Forget lost.

To fix it, adding a boolean value to check whether the call is forgotten,
the call only does delete key if Forget is not called.

Fixes golang/go#31420

Change-Id: I9708352ca3ff76c77f659916b37a496fdeb480d2
Reviewed-on: https://go-review.googlesource.com/c/sync/+/171897
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
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2019-04-12 18:36:30 +00:00
Matt Layher
1ae7c7b29e singleflight: copy from internal/singleflight in standard library
Updates golang/go#17338

Change-Id: Icf1972cdec0bbc9b3142141d9e706c07f312efc0
Reviewed-on: https://go-review.googlesource.com/30292
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2016-10-04 23:36:20 +00:00