From f2335bb38bca2c4d4412a563472c3110eaf9f154 Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Sun, 3 Jan 2021 13:12:49 +0800
Subject: [PATCH] =?UTF-8?q?send=E4=B9=8B=E5=89=8D=E8=BF=98=E6=98=AF?=
 =?UTF-8?q?=E5=BA=94=E8=AF=A5=E7=AE=80=E5=8D=95=E6=A3=80=E6=9F=A5=E8=BF=9E?=
 =?UTF-8?q?=E6=8E=A5=E4=B8=AA=E6=95=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/ipc.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/ipc.cpp b/src/ipc.cpp
index 5de1a73..cd15a88 100755
--- a/src/ipc.cpp
+++ b/src/ipc.cpp
@@ -435,6 +435,10 @@ static bool send(F&& gen_push, ipc::handle_t h, void const * data, std::size_t s
         ipc::error("fail: send, que->ready_sending() == false\n");
         return false;
     }
+    if (que->elems()->connections(std::memory_order_relaxed) == 0) {
+        ipc::error("fail: send, there is no receiver on this connection.\n");
+        return false;
+    }
     // calc a new message id
     auto acc = info_of(h)->acc();
     if (acc == nullptr) {