[#CRYPTO_THREAD_ID]
= CRYPTO_THREAD_ID
:mrdocs:

Platform thread identifier used by CRYPTO_THREAD_get_current_id() and friends.

== Synopsis

Declared in `<openssl/crypto.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef pthread_t CRYPTO_THREAD_ID;
----

== Description

On POSIX builds this is pthread_t; Windows and no‐thread fallbacks use other underlying types.


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