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sockets.c: Fix a possible problem because any new socket can't be created during the "close" (which can be "long" since fix for bug #20021).
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@ -282,16 +282,14 @@ lwip_close(int s)
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LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s));
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LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_close(%d)\n", s));
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/* We cannot allow multiple closes of the same socket. */
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sys_sem_wait(socksem);
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sock = get_socket(s);
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sock = get_socket(s);
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if (!sock) {
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if (!sock) {
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sys_sem_signal(socksem);
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return -1;
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return -1;
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}
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}
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netconn_delete(sock->conn);
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netconn_delete(sock->conn);
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sys_sem_wait(socksem);
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if (sock->lastdata) {
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if (sock->lastdata) {
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netbuf_delete(sock->lastdata);
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netbuf_delete(sock->lastdata);
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}
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}
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