xiaoxiang781216 commented on code in PR #11107:
URL: https://github.com/apache/nuttx/pull/11107#discussion_r1377938070
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net/socket/socket.c:
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@@ -104,9 +104,11 @@ int psock_socket(int domain, int type, int protocol,
/* When usrsock daemon returns -ENOSYS or -ENOTSUP, it means to use
* kernel's network stack, so fallback to kernel socket.
+ * When -ENETDOWN is returned, it means the usrsock daemon was never
+ * launched or is no longer running, so fallback to kernel socket.
*/
- if (ret == 0 || (ret != -ENOSYS && ret != -ENOTSUP))
+ if (ret == 0 || (ret != -ENOSYS && ret != -ENOTSUP && ret != -ENETDOWN))
Review Comment:
since -ENETDOWN return in other case, should we change the errror code to
-ENOSYS/-ENOTSUP if the server doesn't launch yet?
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