From 588cd3292ba03bb748befd607cc5c72e13204533 Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Sat, 11 Feb 2017 21:47:11 +0900
Subject: [PATCH] fixes race

---
 sqlite3.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/sqlite3.go b/sqlite3.go
index efb50b9..f5699e4 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -766,14 +766,18 @@ func (s *SQLiteStmt) query(ctx context.Context, args []namedValue) (driver.Rows,
 		done:     make(chan struct{}),
 	}
 
-	go func() {
+	go func(db *C.sqlite3) {
 		select {
 		case <-ctx.Done():
-			C.sqlite3_interrupt(s.c.db)
-			rows.Close()
+			select {
+			case <-rows.done:
+			default:
+				C.sqlite3_interrupt(s.c.db)
+				rows.Close()
+			}
 		case <-rows.done:
 		}
-	}()
+	}(s.c.db)
 
 	return rows, nil
 }