File _service:obs_scm:0077-adpat-event-for-rtc-mode.... of Package lwip

File _service:obs_scm:0077-adpat-event-for-rtc-mode.patch of Package lwip

From e719fde7f90a1dff8daeb23170febb5ff38903c9 Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng14@huawei.com>
Date: Fri, 27 Oct 2023 19:19:42 +0800
Subject: [PATCH 77/77] adpat event for rtc mode

---
 src/api/api_msg.c       |  8 ++------
 src/api/sockets.c       | 33 ++++++++++++++++++++++++++++++---
 src/include/eventpoll.h |  4 ++++
 3 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/src/api/api_msg.c b/src/api/api_msg.c
index 9a8992a..5e09505 100644
--- a/src/api/api_msg.c
+++ b/src/api/api_msg.c
@@ -293,11 +293,9 @@ recv_udp(void *arg, struct udp_pcb *pcb, struct pbuf *p,
 #endif /* LWIP_SO_RCVBUF */
 #if GAZELLE_UDP_ENABLE
     do_lwip_add_recvlist(conn->socket);
-    LWIP_UNUSED_ARG(len);
-#else /* GAZELLE_UDP_ENABLE */
+#endif /* GAZELLE_UDP_ENABLE */
     /* Register event with callback */
     API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
-#endif /* GAZELLE_UDP_ENABLE */
   }
 }
 #endif /* LWIP_UDP */
@@ -357,11 +355,9 @@ recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
 #endif /* LWIP_SO_RCVBUF */
 #if GAZELLE_ENABLE
     do_lwip_add_recvlist(conn->socket);
-    LWIP_UNUSED_ARG(len);
-#else
+#endif
     /* Register event with callback */
     API_EVENT(conn, NETCONN_EVT_RCVPLUS, len);
-#endif
   }
 
   return ERR_OK;
diff --git a/src/api/sockets.c b/src/api/sockets.c
index 1d71427..d62290d 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -2744,29 +2744,56 @@ event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
         check_waiters = 0;
       }
 #if GAZELLE_ENABLE
-      if (conn->acceptmbox != NULL && !sys_mbox_empty(conn->acceptmbox)) {
-        add_sock_event(sock, POLLIN);
+      if (netif_is_rtc_mode(netif_default)) {
+        if (sock->rcvevent == 1) {
+          add_sock_event_nolock(sock, POLLIN);
+        }
+      } else {
+        if (conn->acceptmbox != NULL && !sys_mbox_empty(conn->acceptmbox)) {
+          add_sock_event(sock, POLLIN);
+        }
       }
 #endif
       break;
     case NETCONN_EVT_RCVMINUS:
       sock->rcvevent--;
       check_waiters = 0;
+#if GAZELLE_ENABLE
+      if (netif_is_rtc_mode(netif_default)) {
+        if (sock->rcvevent == 0) {
+          del_sock_event_nolock(sock, POLLIN);
+        }
+      }
+#endif
       break;
     case NETCONN_EVT_SENDPLUS:
       if (sock->sendevent) {
         check_waiters = 0;
       }
       sock->sendevent = 1;
+#if GAZELLE_ENABLE
+      if (netif_is_rtc_mode(netif_default)) {
+        add_sock_event_nolock(sock, POLLOUT);
+      }
+#endif
       break;
     case NETCONN_EVT_SENDMINUS:
       sock->sendevent = 0;
       check_waiters = 0;
+#if GAZELLE_ENABLE
+      if (netif_is_rtc_mode(netif_default)) {
+        del_sock_event_nolock(sock, POLLOUT);
+      }
+#endif
       break;
     case NETCONN_EVT_ERROR:
       sock->errevent = 1;
 #if GAZELLE_ENABLE
-      add_sock_event(sock, EPOLLERR);
+    if (netif_is_rtc_mode(netif_default)) {
+        add_sock_event_nolock(sock, EPOLLERR);
+      } else {
+        add_sock_event(sock, EPOLLERR);
+      }
 #endif
       break;
     default:
diff --git a/src/include/eventpoll.h b/src/include/eventpoll.h
index dd65a4d..5bc5206 100644
--- a/src/include/eventpoll.h
+++ b/src/include/eventpoll.h
@@ -66,6 +66,10 @@ struct libos_epoll {
 
 struct lwip_sock;
 extern void add_sock_event(struct lwip_sock *sock, uint32_t event);
+extern void add_sock_event_nolock(struct lwip_sock *sock, uint32_t event);
+extern void del_sock_event(struct lwip_sock *sock, uint32_t event);
+extern void del_sock_event_nolock(struct lwip_sock *sock, uint32_t event);
+
 extern int32_t lstack_epoll_close(int32_t);
 
 #endif /* __EVENTPOLL_H__ */
-- 
2.27.0