| Index: runtime/bin/socket_linux.h
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| diff --git a/runtime/bin/socket_linux.h b/runtime/bin/socket_linux.h
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| index 4ad0db24f0ead33124fe2729e93d234b994d8928..5d073c490dd6911a0096aea4baac4dde9da8714f 100644
 | 
| --- a/runtime/bin/socket_linux.h
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| +++ b/runtime/bin/socket_linux.h
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| @@ -5,6 +5,10 @@
 | 
|  #ifndef BIN_SOCKET_LINUX_H_
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|  #define BIN_SOCKET_LINUX_H_
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|  
 | 
| +#if !defined(BIN_SOCKET_H_)
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| +#error Do not include socket_linux.h directly. Use socket.h.
 | 
| +#endif
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| +
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|  #include <arpa/inet.h>
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|  #include <netdb.h>
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|  #include <sys/socket.h>
 | 
| 
 |