[#CRYPTO_THREAD_lock_free]
= CRYPTO&lowbar;THREAD&lowbar;lock&lowbar;free
:mrdocs:

Free a CRYPTO&lowbar;RWLOCK allocated by CRYPTO&lowbar;THREAD&lowbar;lock&lowbar;new()&period;

== Synopsis

Declared in `&lt;openssl&sol;crypto&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CRYPTO&lowbar;THREAD&lowbar;lock&lowbar;free(xref:CRYPTO_RWLOCK.adoc[CRYPTO&lowbar;RWLOCK]* lock);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lock*
| Lock to free, or NULL (no&hyphen;op)&period;
|===


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