[#ASYNC_is_capable]
= ASYNC_is_capable
:mrdocs:

Report whether the current platform supports asynchronous jobs.

== Synopsis

Declared in `<openssl/async.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASYNC_is_capable();
----

== Return Value

1 if ASYNC_start_job() and related APIs are usable, or 0 otherwise.


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