3 files changed, 11 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/closure.c b/src/core/lib/iomgr/closure.c
index d6f073fc9d..27793c32e4 100644
--- a/src/core/lib/iomgr/closure.c
+++ b/src/core/lib/iomgr/closure.c
@@ -54,6 +54,12 @@ void grpc_closure_list_add(grpc_closure_list *closure_list,
   closure_list->tail = closure;
 }
 
+void grpc_closure_list_fail_all(grpc_closure_list *list) {
+  for (grpc_closure *c = list->head; c != NULL; c = grpc_closure_next(c)) {
+    c->final_data &= ~(uintptr_t)1;
+  }
+}
+
 bool grpc_closure_list_empty(grpc_closure_list closure_list) {
   return closure_list.head == NULL;
 }
diff --git a/src/core/lib/iomgr/closure.h b/src/core/lib/iomgr/closure.h
index 8652b53a8b..fdc2daed9d 100644
--- a/src/core/lib/iomgr/closure.h
+++ b/src/core/lib/iomgr/closure.h
@@ -86,6 +86,9 @@ grpc_closure *grpc_closure_create(grpc_iomgr_cb_func cb, void *cb_arg);
 void grpc_closure_list_add(grpc_closure_list *list, grpc_closure *closure,
                            bool success);
 
+/** force all success bits in \a list to false */
+void grpc_closure_list_fail_all(grpc_closure_list *list);
+
 /** append all closures from \a src to \a dst and empty \a src. */
 void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst);
 
diff --git a/src/core/lib/iomgr/exec_ctx.h b/src/core/lib/iomgr/exec_ctx.h
index e09ef02400..976cc40347 100644
--- a/src/core/lib/iomgr/exec_ctx.h
+++ b/src/core/lib/iomgr/exec_ctx.h
@@ -93,6 +93,8 @@ void grpc_exec_ctx_enqueue_list(grpc_exec_ctx *exec_ctx,
                                 grpc_workqueue *offload_target_or_null);
 
 void grpc_exec_ctx_global_init(void);
+
+void grpc_exec_ctx_global_init(void);
 void grpc_exec_ctx_global_shutdown(void);
 
 #endif /* GRPC_CORE_LIB_IOMGR_EXEC_CTX_H */