Baton::ready, a const variant of try_wait

[folly.git] / folly / LockTraits.h

diff --git a/folly/LockTraits.h b/folly/LockTraits.h
index 983831e063002330a0dda0596c6fe203a81d8f26..a6cf12b596f03896bc8f28716132bb71e2254e45 100644 (file)
--- a/folly/LockTraits.h
+++ b/folly/LockTraits.h
@@ -106,11 +106,11 @@ class LockInterfaceDispatcher {
  public:
   static constexpr bool has_lock_unique = true;
   static constexpr bool has_lock_timed =
-      decltype(timed_lock_test<Mutex>(0))::value;
+      decltype(timed_lock_test<Mutex>(nullptr))::value;
   static constexpr bool has_lock_shared =
-      decltype(lock_shared_test<Mutex>(0))::value;
+      decltype(lock_shared_test<Mutex>(nullptr))::value;
   static constexpr bool has_lock_upgrade =
-      decltype(lock_upgrade_test<Mutex>(0))::value;
+      decltype(lock_upgrade_test<Mutex>(nullptr))::value;
 };
 
 /**