Set the callback invoked when the last structural reference to an ENGINE is released.

Synopsis

Declared in <openssl/engine.h>

[[deprecated]]
int
ENGINE_set_destroy_function(
    ENGINE* e,
    ENGINE_GEN_INT_FUNC_PTR destroy_f);
Warning

Deprecated. Use of this entity is allowed but discouraged.

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

e

ENGINE whose destroy hook is replaced.

destroy_f

Function called to tear down e, or NULL to clear.

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