remove extra frame in BatchSemaphore::co_wait

Summary: cancelled throws through this frame even if the caller uses `co_awaitTry` (adds noticeable overhead). Reviewed By: ispeters Differential Revision: D68447822 fbshipit-source-id: 4877e72a41e4dba9ad39f98db8f828f11b650490
facebook · Jan 23, 2025 · 22b1d69 · 22b1d69
1 parent 04ef10b
commit 22b1d69
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/third-party/folly/src/folly/fibers/BatchSemaphore.cpp b/third-party/folly/src/folly/fibers/BatchSemaphore.cpp
@@ -38,7 +38,7 @@ bool BatchSemaphore::try_wait(int64_t tokens) {
 #if FOLLY_HAS_COROUTINES
 
 coro::Task<void> BatchSemaphore::co_wait(int64_t tokens) {
-  co_await co_wait_common(tokens);
+  return co_wait_common(tokens);
 }
 
 #endif