Implement basic locking

1 files changed, 16 insertions, 0 deletions

diff --git a/lock.urs b/lock.urs
new file mode 100644
index 0000000..f7282cc
--- /dev/null
+++ b/lock.urs
@@ -0,0 +1,16 @@
+(* Copyright 2015 the Massachusetts Institute of Technology
+
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License.  You may obtain a copy of the
+License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations under the License. *)
+
+val take : string -> transaction bool
+
+val release : string -> transaction unit