Implement pollset for epollex
diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c
index 6db8e1a..d41c164 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_linux.c
@@ -63,6 +63,8 @@
 #include "src/core/lib/profiling/timers.h"
 #include "src/core/lib/support/block_annotate.h"
 
+#define GRPC_POLLSET_KICK_BROADCAST ((grpc_pollset_worker *)1)
+
 /* TODO: sreek - Move this to init.c and initialize this like other tracers. */
 static int grpc_polling_trace = 0; /* Disabled by default */
 #define GRPC_POLLING_TRACE(fmt, ...)       \