Merge branch 'sverk/crypto-unloading'

* sverk/crypto-unloading:
  crypto: Link crypto_callback statically
  crypto: Add debug print macros
  crypto: Enable runtime upgrade of crypto
  crypto: Make unloading of crypto safer

OTP-10596

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/crypto/c_src/crypto_callback.h b/lib/crypto/c_src/crypto_callback.h
new file mode 100644
index 0000000000..23ecba3e5d
--- /dev/null
+++ b/lib/crypto/c_src/crypto_callback.h
@@ -0,0 +1,46 @@
+/* 
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2012. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+struct crypto_callbacks
+{
+    size_t sizeof_me;
+
+    void* (*crypto_alloc)(size_t size);
+    void* (*crypto_realloc)(void* ptr, size_t size);
+    void (*crypto_free)(void* ptr);
+
+    /* openssl callbacks */
+  #ifdef OPENSSL_THREADS
+    void (*locking_function)(int mode, int n, const char *file, int line);
+    unsigned long (*id_function)(void);
+    struct CRYPTO_dynlock_value* (*dyn_create_function)(const char *file,
+							int line);
+    void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value* ptr,
+			      const char *file, int line);
+    void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *ptr,
+				 const char *file, int line);
+  #endif /* OPENSSL_THREADS */
+};
+
+typedef struct crypto_callbacks* get_crypto_callbacks_t(int nlocks);
+
+#ifndef HAVE_DYNAMIC_CRYPTO_LIB
+struct crypto_callbacks* get_crypto_callbacks(int nlocks);
+#endif
+