From 93a3f7de51bef3818db46f8c1c7f64d16733e5c1 Mon Sep 17 00:00:00 2001
From: Jan Dubsky <jan.dubsky@showmax.com>
Date: Fri, 30 Sep 2022 13:46:09 +0200
Subject: [PATCH] Fix goroutine leak

---
 pool.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/pool.go b/pool.go
index bd6f71b..8203ee4 100644
--- a/pool.go
+++ b/pool.go
@@ -355,11 +355,16 @@ func (p *Pool[T]) acquire(ctx context.Context) (*Resource[T], error) {
 				if err != nil {
 					p.allResources = removeResource(p.allResources, res)
 					p.destructWG.Done()
-
-					constructErrCh <- err
-
 					p.cond.L.Unlock()
 					p.cond.Signal()
+
+					select {
+					case constructErrCh <- err:
+					case <-ctx.Done():
+						// The caller is cancelled, so
+						// no-one awaits the error. This
+						// branch avoid goroutine leak.
+					}
 					return
 				}