From cdd1f2bbaf99f5fae8f5c08a25bccdf478cd9ada Mon Sep 17 00:00:00 2001 From: "dependabot-preview[bot]" <27856297+dependabot-preview[bot]@users.noreply.github.com> Date: Thu, 21 May 2020 09:08:47 +0000 Subject: Bump github.com/onsi/gomega from 1.10.0 to 1.10.1 Bumps [github.com/onsi/gomega](https://github.com/onsi/gomega) from 1.10.0 to 1.10.1. - [Release notes](https://github.com/onsi/gomega/releases) - [Changelog](https://github.com/onsi/gomega/blob/master/CHANGELOG.md) - [Commits](https://github.com/onsi/gomega/compare/v1.10.0...v1.10.1) Signed-off-by: dependabot-preview[bot] Signed-off-by: Daniel J Walsh --- vendor/github.com/nxadm/tail/watch/filechanges.go | 36 +++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 vendor/github.com/nxadm/tail/watch/filechanges.go (limited to 'vendor/github.com/nxadm/tail/watch/filechanges.go') diff --git a/vendor/github.com/nxadm/tail/watch/filechanges.go b/vendor/github.com/nxadm/tail/watch/filechanges.go new file mode 100644 index 000000000..f80aead9a --- /dev/null +++ b/vendor/github.com/nxadm/tail/watch/filechanges.go @@ -0,0 +1,36 @@ +package watch + +type FileChanges struct { + Modified chan bool // Channel to get notified of modifications + Truncated chan bool // Channel to get notified of truncations + Deleted chan bool // Channel to get notified of deletions/renames +} + +func NewFileChanges() *FileChanges { + return &FileChanges{ + make(chan bool, 1), make(chan bool, 1), make(chan bool, 1)} +} + +func (fc *FileChanges) NotifyModified() { + sendOnlyIfEmpty(fc.Modified) +} + +func (fc *FileChanges) NotifyTruncated() { + sendOnlyIfEmpty(fc.Truncated) +} + +func (fc *FileChanges) NotifyDeleted() { + sendOnlyIfEmpty(fc.Deleted) +} + +// sendOnlyIfEmpty sends on a bool channel only if the channel has no +// backlog to be read by other goroutines. This concurrency pattern +// can be used to notify other goroutines if and only if they are +// looking for it (i.e., subsequent notifications can be compressed +// into one). +func sendOnlyIfEmpty(ch chan bool) { + select { + case ch <- true: + default: + } +} -- cgit v1.2.3-54-g00ecf