From 66b11c7916740615be6012938e82abd821a1b06e Mon Sep 17 00:00:00 2001
From: yinbin <yinbin8@huawei.com>
Date: Mon, 23 Sep 2024 20:17:10 +0800
Subject: [PATCH] LOG:add log when udp send_ring is exhausted

---
 src/lstack/core/lstack_lwip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c
index 636bbc7..a7b7202 100644
--- a/src/lstack/core/lstack_lwip.c
+++ b/src/lstack/core/lstack_lwip.c
@@ -497,6 +497,7 @@ static ssize_t do_lwip_udp_fill_sendring(struct lwip_sock *sock, const void *buf
     }
 
     if (write_avail < write_num) {
+        LSTACK_LOG(WARNING, LSTACK, "sock send_ring is already exhausted.\n");
         sem_timedwait_nsecs(&sock->snd_ring_sem);
         GAZELLE_RETURN(ENOMEM);
     }
-- 
2.33.0