[#SSL_get_blocking_mode]
= SSL_get_blocking_mode
:mrdocs:

Return whether a QUIC connection SSL object is in blocking mode.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_get_blocking_mode(xref:SSL.adoc[SSL]* s);
----

== Return Value

1 if blocking, 0 if non‐blocking, or ‐1 if `s` is not a QUIC connection.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| SSL object to query; must be a QUIC connection.
|===


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