diff options
Diffstat (limited to 'pkg/refsvfs2')
| -rw-r--r-- | pkg/refsvfs2/refs.go | 5 | ||||
| -rw-r--r-- | pkg/refsvfs2/refs_template.go | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/pkg/refsvfs2/refs.go b/pkg/refsvfs2/refs.go index ef8beb659..fe3e4a1ca 100644 --- a/pkg/refsvfs2/refs.go +++ b/pkg/refsvfs2/refs.go @@ -28,6 +28,11 @@ type RefCounter interface { // DecRef decrements the object's reference count. Users of refs_template.Refs // may specify a destructor to be called once the reference count reaches zero. DecRef(ctx context.Context) +} + +// TryRefCounter is like RefCounter but allow the ref increment to be tried. +type TryRefCounter interface { + RefCounter // TryIncRef attempts to increment the reference count, but may fail if all // references have already been dropped, in which case it returns false. If diff --git a/pkg/refsvfs2/refs_template.go b/pkg/refsvfs2/refs_template.go index 1102c8adc..55b0a60a1 100644 --- a/pkg/refsvfs2/refs_template.go +++ b/pkg/refsvfs2/refs_template.go @@ -101,7 +101,7 @@ func (r *Refs) IncRef() { } } -// TryIncRef implements refs.RefCounter.TryIncRef. +// TryIncRef implements refs.TryRefCounter.TryIncRef. // // To do this safely without a loop, a speculative reference is first acquired // on the object. This allows multiple concurrent TryIncRef calls to distinguish |