diff --git a/include/common/epoll.h b/include/common/epoll.h
new file mode 100644
index 0000000..865a3e1
--- /dev/null
+++ b/include/common/epoll.h
@@ -0,0 +1,103 @@
+/*
+  include/common/epoll.h
+  epoll definitions for older libc.
+
+  Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
+  
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation, version 2.1
+  exclusively.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/*
+ * Those constants were found both in glibc and in the Linux kernel.
+ * They are provided here because the epoll() syscall is featured in
+ * some kernels but in not often included in the glibc, so it needs
+ * just a basic definition.
+ */
+
+#ifndef _COMMON_EPOLL_H
+#define _COMMON_EPOLL_H
+
+#include <linux/unistd.h>
+#include <stdint.h>
+
+/* epoll_ctl() commands */
+#ifndef EPOLL_CTL_ADD
+#define EPOLL_CTL_ADD 1
+#define EPOLL_CTL_DEL 2
+#define EPOLL_CTL_MOD 3
+#endif
+
+/* events types (bit fields) */
+#ifndef EPOLLIN
+#define EPOLLIN 1
+#define EPOLLPRI 2
+#define EPOLLOUT 4
+#define EPOLLERR 8
+#define EPOLLHUP 16
+#define EPOLLONESHOT (1 << 30)
+#define EPOLLET (1 << 31)
+#endif
+
+struct epoll_event {
+	uint32_t events;
+	union {
+		void *ptr;
+		int fd;
+		uint32_t u32;
+		uint64_t u64;
+	} data;
+};
+
+
+#if defined(__powerpc__) || defined(__powerpc64__)
+#define __NR_epoll_create 236
+#define __NR_epoll_ctl    237
+#define __NR_epoll_wait   238
+#elif defined(__sparc__) || defined(__sparc64__)
+#define __NR_epoll_create 193
+#define __NR_epoll_ctl    194
+#define __NR_epoll_wait   195
+#elif defined(__x86_64__)
+#define __NR_epoll_create 213
+#define __NR_epoll_ctl    214
+#define __NR_epoll_wait   215
+#elif defined(__alpha__)
+#define __NR_epoll_create 407
+#define __NR_epoll_ctl    408
+#define __NR_epoll_wait   409
+#elif defined (__i386__)
+#define __NR_epoll_create 254
+#define __NR_epoll_ctl    255
+#define __NR_epoll_wait   256
+#else
+#warning unsupported architecture, guessing __NR_epoll_create=254 like x86...
+#define __NR_epoll_create 254
+#define __NR_epoll_ctl    255
+#define __NR_epoll_wait   256
+#endif
+
+extern int epoll_create(int size);
+extern int epoll_ctl(int epfd, int op, int fd, struct epoll_event * event);
+extern int epoll_wait(int epfd, struct epoll_event * events, int maxevents, int timeout);
+
+#endif /* _COMMON_EPOLL_H */
+
+
+/*
+ * Local variables:
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ * End:
+ */