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Non-Blocking Input/Output States

This section details the SSL read-write states returned by SSL_want(). These indicate the types of operations that failed to complete during a non-blocking I/O connection. I/O is described as non-blocking when an operation returns an error or status code without waiting for the operation to complete.

Defines
#define	SSL_NOTHING
	Indicates that all operations completed successfully.
#define	SSL_WRITING
	Indicates that the write operation failed to complete and should be retried.
#define	SSL_READING
	Indicates that the read operation failed to complete and should be retried.
#define	SSL_X509_LOOKUP
	Indicates that the X.509 lookup failed to complete and should be retried.

Non-Blocking Input/Output States

Defines