tcp_server: keep track of client threads

This is a major change, obviously; brought to me by Valgrind, which
noticed that we don't actually clean up after cimple-client threads.
For a more thorough explanation, please see the added comment in
tcp_server.c.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/worker.c b/src/worker.c
index d7cd610..3bfca42 100644
--- a/src/worker.c
+++ b/src/worker.c
@@ -237,10 +237,13 @@ int worker_main(struct worker *worker)
 		ret = event_loop_run(worker->event_loop);
 		if (ret < 0)
 			goto close;
-	}
 
-close:
-	net_close(fd);
+	close:
+		net_close(fd);
+
+		if (ret < 0)
+			break;
+	}
 
 	return ret;
 }