check in the original version of dde linux26.

1 files changed, 32 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/eventfd.h b/libdde_linux26/contrib/include/linux/eventfd.h
new file mode 100644
index 00000000..a667637b
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/eventfd.h
@@ -0,0 +1,32 @@
+/*
+ *  include/linux/eventfd.h
+ *
+ *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
+ *
+ */
+
+#ifndef _LINUX_EVENTFD_H
+#define _LINUX_EVENTFD_H
+
+#ifdef CONFIG_EVENTFD
+
+/* For O_CLOEXEC and O_NONBLOCK */
+#include <linux/fcntl.h>
+
+/* Flags for eventfd2.  */
+#define EFD_CLOEXEC O_CLOEXEC
+#define EFD_NONBLOCK O_NONBLOCK
+
+struct file *eventfd_fget(int fd);
+int eventfd_signal(struct file *file, int n);
+
+#else /* CONFIG_EVENTFD */
+
+#define eventfd_fget(fd) ERR_PTR(-ENOSYS)
+static inline int eventfd_signal(struct file *file, int n)
+{ return 0; }
+
+#endif /* CONFIG_EVENTFD */
+
+#endif /* _LINUX_EVENTFD_H */
+