diff options
Diffstat (limited to 'crypto/engine/engine.h')
| -rw-r--r-- | crypto/engine/engine.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/crypto/engine/engine.h b/crypto/engine/engine.h index 258ec6ec43..3cb52254ff 100644 --- a/crypto/engine/engine.h +++ b/crypto/engine/engine.h @@ -363,8 +363,12 @@ int ENGINE_cpy(ENGINE *dest, const ENGINE *src); int ENGINE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); int ENGINE_set_ex_data(ENGINE *e, int idx, void *arg); -/* Cleans the internal engine structure. This should only be used when the - * application is about to exit. */ +/* Cleans the internal engine list. This should only be used when the + * application is about to exit or restart operation (the next operation + * requiring the ENGINE list will re-initialise it with defaults). NB: Dynamic + * ENGINEs will only truly unload (including any allocated data or loaded + * shared-libraries) if all remaining references are released too - so keys, + * certificates, etc all need to be released for an in-use ENGINE to unload. */ void ENGINE_cleanup(void); /* These return values from within the ENGINE structure. These can be useful @@ -445,6 +449,12 @@ int ENGINE_set_default_BN_mod_exp_crt(ENGINE *e); * ENGINE_METHOD_*** defines above. */ int ENGINE_set_default(ENGINE *e, unsigned int flags); +/* This function resets all the internal "default" ENGINEs (there's one for each + * of the various algorithms) to NULL, releasing any references as appropriate. + * This function is called as part of the ENGINE_cleanup() function, so there's + * no need to call both (although no harm is done). */ +int ENGINE_clear_defaults(void); + /* Obligatory error function. */ void ERR_load_ENGINE_strings(void); |