Mojo EDK: Introduce MojoQueryHandleSignalsState API

mojo/public/js/core.js

Index: mojo/public/js/core.js
diff --git a/mojo/public/js/core.js b/mojo/public/js/core.js
index ef480eeba5b214df6a790e005d2ebd6af97cc84a..28fdcb77a9ecf7f594517246b1363ac71d9d8457 100644
--- a/mojo/public/js/core.js
+++ b/mojo/public/js/core.js
@@ -142,6 +142,18 @@ var MAP_BUFFER_FLAG_NONE;
 function close(handle) { [native code] }
 
 /**
+ * Queries the last known signaling state of |handle|.
+ *
+ * @param {MojoHandle} handle Handle to query.
+ * @return {object} An object of the form {
+ *     result,              // MOJO_RESULT_OK or MOJO_RESULT_INVALID_ARGUMENT
+ *     satisfiedSignals,    // MojoHandleSignals (see above)
+ *     satisfiableSignals,  // MojoHandleSignals
+ * }
+ */
+function queryHandleSignalsState(handle) { [native code] }
+
+/**
  * Waits on the given handle until a signal indicated by |signals| is
  * satisfied or until |deadline| is passed. See MojoWait for more information.
  *