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Library
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The usage of fileno is unsafe and strongly discouraged. But it's sometimes necessary, if you need to interact with third parties libraries. Rules:
- You must still keep your original handle around. Otherwise uwt will close the handle when the garbage collector removes it.
- Always close the handle with
Handle.close(orTcp.close, etc.), notUnix.closeor any other function.
- Never pass the file descriptor to functions like
Pipe.openpipeorPoll.start.
val fileno : t -> Unix.file_descr uv_resultval fileno_exn : t -> Unix.file_descr