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-rw-r--r--util/ringlog/ringlog.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/util/ringlog/ringlog.go b/util/ringlog/ringlog.go
index 62dfbae5b..781e8f5ca 100644
--- a/util/ringlog/ringlog.go
+++ b/util/ringlog/ringlog.go
@@ -8,9 +8,11 @@ import "tailscale.com/syncs"
// New creates a new [RingLog] containing at most max items.
func New[T any](max int) *RingLog[T] {
- return &RingLog[T]{
+ rl := &RingLog[T]{
max: max,
}
+ syncs.RegisterMutex(&rl.mu, "ringlog.RingLog.mu")
+ return rl
}
// RingLog is a concurrency-safe fixed size log window containing entries of [T].