anchao commented on a change in pull request #5030:
URL: https://github.com/apache/incubator-nuttx/pull/5030#discussion_r771828108
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File path: arch/sim/src/sim/up_usrsock_host.c
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@@ -238,6 +239,7 @@ int usrsock_host_socket(int domain, int type, int protocol)
return -errno;
}
+ setsockopt(ret, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
Review comment:
this is mainly to solve the nuttx abnormal exit and fails to shutdown
the socket fd,
the usage of native socket is a little special, not all applications reuse
the address in the userspace
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