[#OSSL_set_max_threads]
= OSSL_set_max_threads
:mrdocs:

Set the maximum number of threads the OpenSSL thread pool may use for `ctx.`

== Synopsis

Declared in `<openssl/thread.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_set_max_threads(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* ctx,
    uint64_t max_threads);
----

== Return Value

1 on success, or 0 if thread pooling is unsupported or the call fails.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Library context whose pool limit is updated, or NULL for the default.
| *max_threads*
| Maximum pool size; 0 disables the pool and tears down existing pool threads.
|===


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