1 files changed, 35 insertions, 0 deletions
diff --git a/dom/webidl/LockManager.webidl b/dom/webidl/LockManager.webidl
new file mode 100644
index 0000000000..88102c1d59
--- /dev/null
+++ b/dom/webidl/LockManager.webidl
@@ -0,0 +1,35 @@
+[SecureContext, Exposed=(Window,Worker), Pref="dom.weblocks.enabled"]
+interface LockManager {
+  [NewObject]
+  Promise<any> request(DOMString name,
+                       LockGrantedCallback callback);
+  [NewObject]
+  Promise<any> request(DOMString name,
+                       LockOptions options,
+                       LockGrantedCallback callback);
+
+  [NewObject]
+  Promise<LockManagerSnapshot> query();
+};
+
+callback LockGrantedCallback = Promise<any> (Lock? lock);
+
+enum LockMode { "shared", "exclusive" };
+
+dictionary LockOptions {
+  LockMode mode = "exclusive";
+  boolean ifAvailable = false;
+  boolean steal = false;
+  AbortSignal signal;
+};
+
+dictionary LockManagerSnapshot {
+  sequence<LockInfo> held;
+  sequence<LockInfo> pending;
+};
+
+dictionary LockInfo {
+  DOMString name;
+  LockMode mode;
+  DOMString clientId;
+};