From 22f9ce1b868df1a277e1a1a952d7f521768e1bfb Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Mon, 8 Nov 2021 19:42:36 +0100
Subject: [PATCH] Check context cancellation in handleServiceServerNotice

This prevents this function from blocking forever if it exceeds the
deadline.
---
 service.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/service.go b/service.go
index 06ed9ec..6a15e94 100644
--- a/service.go
+++ b/service.go
@@ -1046,8 +1046,13 @@ func handleServiceServerNotice(ctx context.Context, dc *downstreamConn, params [
 		Command: "NOTICE",
 		Params:  []string{"$" + dc.srv.Hostname, text},
 	}
+	var err error
 	dc.srv.forEachUser(func(u *user) {
-		u.events <- eventBroadcast{broadcastMsg}
+		select {
+		case <-ctx.Done():
+			err = ctx.Err()
+		case u.events <- eventBroadcast{broadcastMsg}:
+		}
 	})
-	return nil
+	return err
 }