diff options
Diffstat (limited to 'internal/engine/tick.go')
| -rw-r--r-- | internal/engine/tick.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/internal/engine/tick.go b/internal/engine/tick.go index 74b1dcf..63ee6af 100644 --- a/internal/engine/tick.go +++ b/internal/engine/tick.go @@ -99,8 +99,11 @@ func (e *Engine) Stop() { // before owned state is saved. func (e *Engine) StopAndWait() { e.Stop() + // Join any in-flight tick: processTick holds tickMu for its whole body, + // so acquiring the mutex blocks until the running callback completes; + // holding it until return keeps that guarantee for the caller. e.tickMu.Lock() - e.tickMu.Unlock() + defer e.tickMu.Unlock() } // Tick fires every due subscriber synchronously and returns. Subscribers |