[BACK]Return to eventfd.h CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs-all / include / linux

File: [Development] / linux-2.6-xfs-all / include / linux / eventfd.h (download)

Revision 1.4, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +7 -0 lines

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

/*
 *  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 */