1 files changed, 34 insertions, 0 deletions
diff --git a/src/lib/lock/compat_mutex.c b/src/lib/lock/compat_mutex.c
new file mode 100644
index 0000000000..e0f6224a83
--- /dev/null
+++ b/src/lib/lock/compat_mutex.c
@@ -0,0 +1,34 @@
+/* Copyright (c) 2003-2004, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#include "lib/lock/compat_mutex.h"
+#include "lib/malloc/util_malloc.h"
+
+/** Return a newly allocated, ready-for-use mutex. */
+tor_mutex_t *
+tor_mutex_new(void)
+{
+  tor_mutex_t *m = tor_malloc_zero(sizeof(tor_mutex_t));
+  tor_mutex_init(m);
+  return m;
+}
+/** Return a newly allocated, ready-for-use mutex.  This one might be
+ * non-recursive, if that's faster. */
+tor_mutex_t *
+tor_mutex_new_nonrecursive(void)
+{
+  tor_mutex_t *m = tor_malloc_zero(sizeof(tor_mutex_t));
+  tor_mutex_init_nonrecursive(m);
+  return m;
+}
+/** Release all storage and system resources held by <b>m</b>. */
+void
+tor_mutex_free_(tor_mutex_t *m)
+{
+  if (!m)
+    return;
+  tor_mutex_uninit(m);
+  tor_free(m);
+}