From dfe1e526f5bb9db3c0b28d848170f35521ebd314 Mon Sep 17 00:00:00 2001
From: Marcin Juszkiewicz <marcin@juszkiewicz.com.pl>
Date: Wed, 22 Jan 2014 11:17:35 +0100
Subject: [PATCH] Check does arch have the epoll_create and __NR_epoll_wait
 syscalls.

Some architectures (like AArch64) do not have deprecated syscalls.

Signed-off-by: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>
---
 epoll_sub.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/epoll_sub.c b/epoll_sub.c
index 3738b26b..facbc09f 100644
--- a/epoll_sub.c
+++ b/epoll_sub.c
@@ -31,11 +31,20 @@
 #include <sys/syscall.h>
 #include <sys/epoll.h>
 #include <unistd.h>
+#include <errno.h>
 
 int
 epoll_create(int size)
 {
+#if !defined(__NR_epoll_create) && defined(__NR_epoll_create1)
+	if (size <= 0) {
+		errno = EINVAL;
+		return -1;
+	}
+	return (syscall(__NR_epoll_create1, 0));
+#else
 	return (syscall(__NR_epoll_create, size));
+#endif
 }
 
 int
@@ -48,5 +57,9 @@ epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
 int
 epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout)
 {
+#if !defined(__NR_epoll_wait) && defined(__NR_epoll_pwait)
+	return (syscall(__NR_epoll_pwait, epfd, events, maxevents, timeout, NULL, 0));
+#else
 	return (syscall(__NR_epoll_wait, epfd, events, maxevents, timeout));
+#endif
 }