[#CRYPTO_THREAD_lock_new]
= CRYPTO_THREAD_lock_new
:mrdocs:

Allocate a new read/write lock for CRYPTO_THREAD_* locking helpers.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CRYPTO_RWLOCK.adoc[CRYPTO_RWLOCK]*
CRYPTO_THREAD_lock_new();
----

== Return Value

New CRYPTO_RWLOCK, or NULL on allocation failure.


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