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acct.h	3.33 KB	-rw-r--r--
bitypes.h	86 B	-rw-r--r--
cdefs.h	13.67 KB	-rw-r--r--
debugreg.h	3.56 KB	-rw-r--r--
dir.h	989 B	-rw-r--r--
epoll.h	4.46 KB	-rw-r--r--
errno.h	19 B	-rw-r--r--
eventfd.h	1.58 KB	-rw-r--r--
fcntl.h	19 B	-rw-r--r--
file.h	1.71 KB	-rw-r--r--
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inotify.h	3.85 KB	-rw-r--r--
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ioctl.h	1.78 KB	-rw-r--r--
ipc.h	1.67 KB	-rw-r--r--
kd.h	1.16 KB	-rw-r--r--
kdaemon.h	1.14 KB	-rw-r--r--
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param.h	2.41 KB	-rw-r--r--
pci.h	984 B	-rw-r--r--
perm.h	1.17 KB	-rw-r--r--
personality.h	2.62 KB	-rw-r--r--
poll.h	2.49 KB	-rw-r--r--
prctl.h	1.1 KB	-rw-r--r--
procfs.h	4.85 KB	-rw-r--r--
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termios.h	74 B	-rw-r--r--
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timerfd.h	1.89 KB	-rw-r--r--
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types.h	6.68 KB	-rw-r--r--
ucontext.h	5.33 KB	-rw-r--r--
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un.h	1.5 KB	-rw-r--r--
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vfs.h	161 B	-rw-r--r--
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Code Editor : epoll.h

/* Copyright (C) 2002,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

The GNU C 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; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C 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 the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef	_SYS_EPOLL_H
#define	_SYS_EPOLL_H	1

#include <stdint.h>
#include <sys/types.h>

/* Get __sigset_t.  */
#include <bits/sigset.h>

#ifndef __sigset_t_defined
# define __sigset_t_defined
typedef __sigset_t sigset_t;
#endif

/* Flags to be passed to epoll_create2.  */
enum
  {
    EPOLL_CLOEXEC = 02000000,
#define EPOLL_CLOEXEC EPOLL_CLOEXEC
    EPOLL_NONBLOCK = 04000
#define EPOLL_NONBLOCK EPOLL_NONBLOCK
  };

enum EPOLL_EVENTS
  {
    EPOLLIN = 0x001,
#define EPOLLIN EPOLLIN
    EPOLLPRI = 0x002,
#define EPOLLPRI EPOLLPRI
    EPOLLOUT = 0x004,
#define EPOLLOUT EPOLLOUT
    EPOLLRDNORM = 0x040,
#define EPOLLRDNORM EPOLLRDNORM
    EPOLLRDBAND = 0x080,
#define EPOLLRDBAND EPOLLRDBAND
    EPOLLWRNORM = 0x100,
#define EPOLLWRNORM EPOLLWRNORM
    EPOLLWRBAND = 0x200,
#define EPOLLWRBAND EPOLLWRBAND
    EPOLLMSG = 0x400,
#define EPOLLMSG EPOLLMSG
    EPOLLERR = 0x008,
#define EPOLLERR EPOLLERR
    EPOLLHUP = 0x010,
#define EPOLLHUP EPOLLHUP
    EPOLLRDHUP = 0x2000,
#define EPOLLRDHUP EPOLLRDHUP
    EPOLLONESHOT = (1 << 30),
#define EPOLLONESHOT EPOLLONESHOT
    EPOLLET = (1 << 31)
#define EPOLLET EPOLLET
  };

/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl().  */
#define EPOLL_CTL_ADD 1	/* Add a file decriptor to the interface.  */
#define EPOLL_CTL_DEL 2	/* Remove a file decriptor from the interface.  */
#define EPOLL_CTL_MOD 3	/* Change file decriptor epoll_event structure.  */

typedef union epoll_data
{
  void *ptr;
  int fd;
  uint32_t u32;
  uint64_t u64;
} epoll_data_t;

struct epoll_event
{
  uint32_t events;	/* Epoll events */
  epoll_data_t data;	/* User data variable */
} __attribute__ ((__packed__));

__BEGIN_DECLS

/* Creates an epoll instance.  Returns an fd for the new instance.
   The "size" parameter is a hint specifying the number of file
   descriptors to be associated with the new instance.  The fd
   returned by epoll_create() should be closed with close().  */
extern int epoll_create (int __size) __THROW;

/* Same as epoll_create but with an FLAGS parameter.  The unused SIZE
   parameter has been dropped.  */
extern int epoll_create1 (int __flags) __THROW;

/* Manipulate an epoll instance "epfd". Returns 0 in case of success,
   -1 in case of error ( the "errno" variable will contain the
   specific error code ) The "op" parameter is one of the EPOLL_CTL_*
   constants defined above. The "fd" parameter is the target of the
   operation. The "event" parameter describes which events the caller
   is interested in and any associated user data.  */
extern int epoll_ctl (int __epfd, int __op, int __fd,
		      struct epoll_event *__event) __THROW;

/* Wait for events on an epoll instance "epfd". Returns the number of
   triggered events returned in "events" buffer. Or -1 in case of
   error with the "errno" variable set to the specific error code. The
   "events" parameter is a buffer that will contain triggered
   events. The "maxevents" is the maximum number of events to be
   returned ( usually size of "events" ). The "timeout" parameter
   specifies the maximum wait time in milliseconds (-1 == infinite).

This function is a cancellation point and therefore not marked with
   __THROW.  */
extern int epoll_wait (int __epfd, struct epoll_event *__events,
		       int __maxevents, int __timeout);

/* Same as epoll_wait, but the thread's signal mask is temporarily
   and atomically replaced with the one provided as parameter.

This function is a cancellation point and therefore not marked with
   __THROW.  */
extern int epoll_pwait (int __epfd, struct epoll_event *__events,
			int __maxevents, int __timeout,
			__const __sigset_t *__ss);

__END_DECLS

#endif /* sys/epoll.h */

${this.title}

Code Editor : epoll.h