keepAliveRelease code reorg

Summary: keepAliveRelease code reorg

Reviewed By: kevin-vigor

Differential Revision: D17835172

fbshipit-source-id: 48c60b04324f0d9bd1ac628e2625d3d4d2654c99

folly/io/async/VirtualEventBase.h

@@ -133,10 +133,7 @@ class VirtualEventBase : public folly::Executor, public folly::TimeoutManager {
     return true;
   }
 
-  void keepAliveRelease() override {
-    if (!evb_->inRunningEventBaseThread()) {
-      return evb_->add([=] { keepAliveRelease(); });
-    }
+  void keepAliveReleaseEvb() {
     if (loopKeepAliveCountAtomic_.load()) {
       loopKeepAliveCount_ += loopKeepAliveCountAtomic_.exchange(0);
     }
@@ -146,6 +143,15 @@ class VirtualEventBase : public folly::Executor, public folly::TimeoutManager {
     }
   }
 
+  void keepAliveRelease() override {
+    if (!evb_->inRunningEventBaseThread()) {
+      evb_->add([=] { keepAliveReleaseEvb(); });
+      return;
+    }
+
+    keepAliveReleaseEvb();
+  }
+
  private:
   friend class EventBase;