rand: reference count the EVP_RAND contexts.

[openssl.git] / crypto / evp / evp_local.h

diff --git a/crypto/evp/evp_local.h b/crypto/evp/evp_local.h
index 3268aa4109132b8aead79c8e8d7fffd0be066161..285c69103b573e1a8930e5443a17aab191da7aa8 100644 (file)
--- a/crypto/evp/evp_local.h
+++ b/crypto/evp/evp_local.h
@@ -69,6 +69,9 @@ struct evp_kdf_ctx_st {
 struct evp_rand_ctx_st {
     EVP_RAND *meth;             /* Method structure */
     void *data;                 /* Algorithm-specific data */
+    EVP_RAND_CTX *parent;       /* Parent EVP_RAND or NULL if none */
+    CRYPTO_REF_COUNT refcnt;    /* Context reference count */
+    CRYPTO_RWLOCK *refcnt_lock;
 } /* EVP_RAND_CTX */ ;
 
 struct evp_keymgmt_st {