Reset high stack watermark when repurposing fiber

Summary: Reset high stack watermark when a fiber object is placed back in the available pool. Differential Revision: D49509201 fbshipit-source-id: 3ffdd8e59c2a6729c8e7cead05e883a500ec80d2
facebook · Sep 22, 2023 · b1a8fc4 · b1a8fc4
1 parent 0ddc8d1
commit b1a8fc4
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/folly/fibers/FiberManagerInternal-inl.h b/folly/fibers/FiberManagerInternal-inl.h
@@ -199,6 +199,7 @@ inline void FiberManager::runReadyFiber(Fiber* fiber) {
 
     if (fibersPoolSize_ < options_.maxFibersPoolSize ||
         options_.fibersPoolResizePeriodMs > 0) {
+      fiber->fiberStackHighWatermark_ = 0;
       fibersPool_.push_front(*fiber);
       ++fibersPoolSize_;
     } else {