Update tcp_client.c

2020-04-12 10:57:12 +08:00
parent 3e757c1688
commit 8832a6477f
1 changed files with 6 additions and 2 deletions
--- a/examples/tcp_udp_base_lwip/tcp_client/tcp_client.c
+++ b/examples/tcp_udp_base_lwip/tcp_client/tcp_client.c
@@ -22,8 +22,12 @@ void application_entry(void *arg)

    MX_LWIP_Init();

-    while (1) {
-        socketfd = socket(AF_INET, SOCK_STREAM, 0);
+    while (1) {       
+        if ((socketfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+            printf("create socket error %s errno: %d\n", strerror(errno), errno);
+            goto tcp_client_exit;
+        }
+        
        setsockopt(socketfd, SOL_SOCKET, SO_RCVTIMEO, (char*)&tv, sizeof(struct timeval));
        memset(&sockaddr, 0, sizeof(sockaddr));