1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/iomgr/fd_posix.c b/src/core/iomgr/fd_posix.c
index 3e28f0ffb4..917307a4c0 100644
--- a/src/core/iomgr/fd_posix.c
+++ b/src/core/iomgr/fd_posix.c
@@ -101,6 +101,7 @@ static grpc_fd *alloc_fd(int fd) {
   r->read_watcher = r->write_watcher = NULL;
   r->on_done_closure = NULL;
   r->closed = 0;
+  r->released = 0;
   return r;
 }
 
@@ -210,6 +211,14 @@ static int has_watchers(grpc_fd *fd) {
          fd->inactive_watcher_root.next != &fd->inactive_watcher_root;
 }
 
+int grpc_fd_wrapped_fd(grpc_fd *fd) {
+  if (fd->released || fd->closed) {
+    return -1;
+  } else {
+    return fd->fd;
+  }
+}
+
 void grpc_fd_orphan(grpc_exec_ctx *exec_ctx, grpc_fd *fd, grpc_closure *on_done,
                     int *release_fd, const char *reason) {
   fd->on_done_closure = on_done;