1 files changed, 8 insertions, 1 deletions
diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h
index 95ebeab1c2..e4593728bd 100644
--- a/src/core/iomgr/pollset_posix.h
+++ b/src/core/iomgr/pollset_posix.h
@@ -48,8 +48,13 @@ typedef struct grpc_pollset_vtable grpc_pollset_vtable;
    use the struct tag */
 struct grpc_fd;
 
+typedef struct grpc_cached_wakeup_fd {
+  grpc_wakeup_fd fd;
+  struct grpc_cached_wakeup_fd *next;
+} grpc_cached_wakeup_fd;
+
 typedef struct grpc_pollset_worker {
-  grpc_wakeup_fd wakeup_fd;
+  grpc_cached_wakeup_fd *wakeup_fd;
   int reevaluate_polling_on_wakeup;
   int kicked_specifically;
   struct grpc_pollset_worker *next;
@@ -74,6 +79,8 @@ typedef struct grpc_pollset {
     int fd;
     void *ptr;
   } data;
+  /* Local cache of eventfds for workers */
+  grpc_cached_wakeup_fd *local_wakeup_cache;
 } grpc_pollset;
 
 struct grpc_pollset_vtable {