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 <[email protected]> Reviewed-by: Jonathan Amsterdam <[email protected]> Run-TryBot: Brad Fitzpatrick <[email protected]> TryBot-Result: Gobot Gobot <[email protected]>
golang · Apr 23, 2019 · 1122301 · 1122301
1 parent 56d3577
commit 1122301
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/semaphore/semaphore.go b/semaphore/semaphore.go
@@ -95,7 +95,7 @@ func (s *Weighted) Release(n int64) {
 	s.cur -= n
 	if s.cur < 0 {
 		s.mu.Unlock()
-		panic("semaphore: bad release")
+		panic("semaphore: released more than held")
 	}
 	for {
 		next := s.waiters.Front()