From 3a89a77e79407d0d638ddf983ee580410cf807c5 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 04 八月 2020 15:56:12 +0800
Subject: [PATCH] fix sendto

---
 src/socket/shm_socket.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/socket/shm_socket.c b/src/socket/shm_socket.c
index f95379a..c6d9dcb 100644
--- a/src/socket/shm_socket.c
+++ b/src/socket/shm_socket.c
@@ -267,6 +267,12 @@
     return -1;
   }
 
+  SHMQueue<shm_msg_t> *remoteQueue;
+  if ((remoteQueue = _attach_remote_queue(port)) == NULL) {
+  	err_msg(0, "shm_sendto failed, the other end has been closed, or has not been opened!");
+    return SHM_SOCKET_CONN_FAILED;
+  }
+
   shm_msg_t dest;
   dest.type = SHM_COMMON_MSG;
   dest.port = socket->port;
@@ -274,11 +280,6 @@
   dest.buf = mm_malloc(size);
   memcpy(dest.buf, buf, size);
 
-  SHMQueue<shm_msg_t> *remoteQueue;
-  if ((remoteQueue = _attach_remote_queue(port)) == NULL) {
-  	err_msg(0, "shm_sendto failed, the other end has been closed, or has not been opened!");
-    return -1;
-  }
   // printf("shm_sendto push before\n");
   bool rv;
   if(flags & SHM_MSG_NOWAIT != 0) {
@@ -295,6 +296,7 @@
     return 0;
   } else {
     delete remoteQueue;
+    mm_free(dest.buf);
     err_msg(errno, "sendto port %d failed!", port);
     return -1;
   }

--
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