diff --git a/libc/include/sys/epoll.h b/libc/include/sys/epoll.h
index decdb46..38739aa 100644
--- a/libc/include/sys/epoll.h
+++ b/libc/include/sys/epoll.h
@@ -42,6 +42,9 @@
 #define EPOLLWRNORM      0x00000100
 #define EPOLLWRBAND      0x00000200
 #define EPOLLMSG         0x00000400
+#define EPOLLRDHUP       0x00002000
+#define EPOLLWAKEUP      0x20000000
+#define EPOLLONESHOT     0x40000000
 #define EPOLLET          0x80000000
 
 #define EPOLL_CTL_ADD    1