add optional thread-safety on a per-object basis

Thread-safety is useful sometimes and needless overhead
otherwise.  Default to whatever TDB upstream defaults to.

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/tdb.rb b/lib/tdb.rb
index 2a75193..67114c9 100644
--- a/lib/tdb.rb
+++ b/lib/tdb.rb
@@ -1,2 +1,16 @@
 # -*- encoding: binary -*-
 require 'tdb_ext'
+class TDB
+  autoload :MT, 'tdb/mt'
+
+  # makes the current TDB object thread-safe
+  def threadsafe!
+    extend MT
+  end
+
+  # will return true when TDB::MT is included in TDB or the TDB
+  # object is extended by TDB
+  def threadsafe?
+    false
+  end
+end