Prepare Job Queue VM experiment

Summary: This diff introduces a new VM experiment flag `JobQueue` with a helper function `useJobQueue` to prepare any conditionalizations required by the Job Queue experiment. Reviewed By: dulinriley Differential Revision: D27666283 fbshipit-source-id: 25669201dedf1e3805480e42ec3aa2c2a2624b77
ayroblu · Apr 22, 2021 · a4cf67f · a4cf67f
1 parent 43af1db
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diff --git a/include/hermes/VM/Runtime.h b/include/hermes/VM/Runtime.h
@@ -851,6 +851,10 @@ class Runtime : public HandleRootOwner,
     return hasIntl_;
   }
 
+  bool useJobQueue() const {
+    return getVMExperimentFlags() & experiments::JobQueue;
+  }
+
   bool builtinsAreFrozen() const {
     return builtinsFrozen_;
   }

diff --git a/include/hermes/VM/VMExperiments.h b/include/hermes/VM/VMExperiments.h
@@ -30,6 +30,7 @@ enum {
   GenGC = 1 << 11,
   // HadesTimedIncremental = 1 << 12,
   CrashTrace = 1 << 13,
+  JobQueue = 1 << 14,
 };
 
 /// Set of flags for active VM experiments.