From ddbeeaaffeab5bc997a0b7a7e8dcac863610feee Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期三, 05 八月 2020 20:04:52 +0800
Subject: [PATCH] udpate

---
 src/socket/shm_socket.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/socket/shm_socket.c b/src/socket/shm_socket.c
index f95379a..be69413 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_ECONNFAILED;
+  }
+
   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;
   }
@@ -356,10 +358,13 @@
   int rv;
 
   shm_socket_t *tmp_socket = shm_open_socket(SHM_SOCKET_DGRAM);
-  if (shm_sendto(tmp_socket, send_buf, send_size, send_port, timeout, flags) == 0) {
+  if ((rv = shm_sendto(tmp_socket, send_buf, send_size, send_port, timeout, flags)) == 0) {
     rv = shm_recvfrom(tmp_socket, recv_buf, recv_size, &recv_port, timeout, flags);
     shm_close_socket(tmp_socket);
     return rv;
+  } else {
+    shm_close_socket(tmp_socket);
+    return rv;
   }
   return -1;
 }

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