semaphore: better error message when releasing more than held

Change-Id: Ibe69007b2d7565a33d9e64ae51142478f495509a
Reviewed-on: https://go-review.googlesource.com/c/sync/+/173377
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
1 file changed
tree: ec228883925e61255191c53ce6d4a7f543800a7e
  1. errgroup/
  2. semaphore/
  3. singleflight/
  4. syncmap/
  5. AUTHORS
  6. codereview.cfg
  7. CONTRIBUTING.md
  8. CONTRIBUTORS
  9. go.mod
  10. LICENSE
  11. PATENTS
  12. README.md
README.md

Go Sync

This repository provides Go concurrency primitives in addition to the ones provided by the language and “sync” and “sync/atomic” packages.

Download/Install

The easiest way to install is to run go get -u golang.org/x/sync. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sync.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sync repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sync:” in the subject line, so it is easy to find.