[#RAND_keep_random_devices_open]
= RAND_keep_random_devices_open
:mrdocs:

Keep OS random devices open across forks when `keep` is nonzero.

== Synopsis

Declared in `<openssl/rand.h>`

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

== Parameters

[cols="1,4"]
|===
| Name| Description
| *keep*
| Nonzero to retain open /dev/urandom‐style descriptors; zero to allow close‐on‐fork.
|===


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