add more explanation

pyca · Sep 13, 2015 · 58ef075 · 58ef075
1 parent 0bb5194
commit 58ef075
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/cryptography/hazmat/bindings/openssl/binding.py b/src/cryptography/hazmat/bindings/openssl/binding.py
@@ -150,6 +150,8 @@ def _lock_cb(cls, mode, n, file, line):
 # although it's still unclear what happens when a subinterpreter which
 # has registered the locks is destroyed. Do the callback functions still work
 # or are all the objects associated with that subinterpreter destroyed?
+# imp.acquire_lock() is global even in 3.4+ while import locks have moved to
+# per module granularity.
 try:
     imp.acquire_lock()
     Binding.init_static_locks()