diff --git a/libc/kernel/uapi/linux/eventpoll.h b/libc/kernel/uapi/linux/eventpoll.h
index ff15c61..d0a5f6e 100644
--- a/libc/kernel/uapi/linux/eventpoll.h
+++ b/libc/kernel/uapi/linux/eventpoll.h
@@ -24,10 +24,21 @@
 #define EPOLL_CTL_ADD 1
 #define EPOLL_CTL_DEL 2
 #define EPOLL_CTL_MOD 3
-#define EPOLLEXCLUSIVE (1 << 28)
-#define EPOLLWAKEUP (1 << 29)
-#define EPOLLONESHOT (1 << 30)
-#define EPOLLET (1 << 31)
+#define EPOLLIN 0x00000001
+#define EPOLLPRI 0x00000002
+#define EPOLLOUT 0x00000004
+#define EPOLLERR 0x00000008
+#define EPOLLHUP 0x00000010
+#define EPOLLRDNORM 0x00000040
+#define EPOLLRDBAND 0x00000080
+#define EPOLLWRNORM 0x00000100
+#define EPOLLWRBAND 0x00000200
+#define EPOLLMSG 0x00000400
+#define EPOLLRDHUP 0x00002000
+#define EPOLLEXCLUSIVE (1U << 28)
+#define EPOLLWAKEUP (1U << 29)
+#define EPOLLONESHOT (1U << 30)
+#define EPOLLET (1U << 31)
 #ifdef __x86_64__
 #define EPOLL_PACKED __attribute__((packed))
 #else