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Name	Size	Permission	Date
platform	[ DIR ]	drwxr-xr-x	2026-02-05 06:13
acct.h	3.3 KB	-rw-r--r--	2026-01-30 08:27
auxv.h	1.23 KB	-rw-r--r--	2026-01-30 08:27
bitypes.h	86 B	-rw-r--r--	2026-01-30 08:27
cdefs.h	26.38 KB	-rw-r--r--	2026-01-30 08:27
debugreg.h	3.49 KB	-rw-r--r--	2026-01-30 08:27
dir.h	922 B	-rw-r--r--	2026-01-30 08:27
elf.h	1 KB	-rw-r--r--	2026-01-30 08:27
epoll.h	5.18 KB	-rw-r--r--	2026-01-30 08:27
errno.h	19 B	-rw-r--r--	2026-01-30 08:27
eventfd.h	1.37 KB	-rw-r--r--	2026-01-30 08:27
fanotify.h	1.26 KB	-rw-r--r--	2026-01-30 08:27
fcntl.h	19 B	-rw-r--r--	2026-01-30 08:27
file.h	1.64 KB	-rw-r--r--	2026-01-30 08:27
fsuid.h	1.16 KB	-rw-r--r--	2026-01-30 08:27
gmon.h	6.08 KB	-rw-r--r--	2026-01-30 08:27
gmon_out.h	2.52 KB	-rw-r--r--	2026-01-30 08:27
inotify.h	3.81 KB	-rw-r--r--	2026-01-30 08:27
io.h	4.97 KB	-rw-r--r--	2026-01-30 08:27
ioctl.h	1.98 KB	-rw-r--r--	2026-01-30 08:27
ipc.h	1.43 KB	-rw-r--r--	2026-01-30 08:27
kd.h	1.09 KB	-rw-r--r--	2026-01-30 08:27
klog.h	1.18 KB	-rw-r--r--	2026-01-30 08:27
mman.h	5.48 KB	-rw-r--r--	2026-01-30 08:27
mount.h	11.77 KB	-rw-r--r--	2026-01-30 08:27
msg.h	2.56 KB	-rw-r--r--	2026-01-30 08:27
mtio.h	10.85 KB	-rw-r--r--	2026-01-30 08:27
param.h	3.08 KB	-rw-r--r--	2026-01-30 08:27
pci.h	923 B	-rw-r--r--	2026-01-30 08:27
perm.h	1.1 KB	-rw-r--r--	2026-01-30 08:27
personality.h	2.66 KB	-rw-r--r--	2026-01-30 08:27
pidfd.h	1.98 KB	-rw-r--r--	2026-01-30 08:27
poll.h	2.95 KB	-rw-r--r--	2026-01-30 08:27
prctl.h	1.75 KB	-rw-r--r--	2026-01-30 08:27
procfs.h	4.24 KB	-rw-r--r--	2026-01-30 08:27
profil.h	1.91 KB	-rw-r--r--	2026-01-30 08:27
ptrace.h	6.52 KB	-rw-r--r--	2026-01-30 08:27
queue.h	19.08 KB	-rw-r--r--	2026-01-30 08:27
quota.h	5.05 KB	-rw-r--r--	2026-01-30 08:27
random.h	1.55 KB	-rw-r--r--	2026-01-30 08:27
raw.h	1.15 KB	-rw-r--r--	2026-01-30 08:27
reboot.h	1.59 KB	-rw-r--r--	2026-01-30 08:27
reg.h	1.78 KB	-rw-r--r--	2026-01-30 08:27
resource.h	3.94 KB	-rw-r--r--	2026-01-30 08:27
rseq.h	6.26 KB	-rw-r--r--	2026-01-30 08:27
select.h	4.92 KB	-rw-r--r--	2026-01-30 08:27
sem.h	2.6 KB	-rw-r--r--	2026-01-30 08:27
sendfile.h	1.76 KB	-rw-r--r--	2026-01-30 08:27
shm.h	2.08 KB	-rw-r--r--	2026-01-30 08:27
signal.h	20 B	-rw-r--r--	2026-01-30 08:27
signalfd.h	1.67 KB	-rw-r--r--	2026-01-30 08:27
single_threaded.h	1.15 KB	-rw-r--r--	2026-01-30 08:27
socket.h	12.09 KB	-rw-r--r--	2026-01-30 08:27
socketvar.h	141 B	-rw-r--r--	2026-01-30 08:27
soundcard.h	29 B	-rw-r--r--	2026-01-30 08:27
stat.h	13.45 KB	-rw-r--r--	2026-01-30 08:27
statfs.h	2.04 KB	-rw-r--r--	2026-01-30 08:27
statvfs.h	2.75 KB	-rw-r--r--	2026-01-30 08:27
swap.h	1.56 KB	-rw-r--r--	2026-01-30 08:27
syscall.h	1.23 KB	-rw-r--r--	2026-01-30 08:27
sysinfo.h	1.48 KB	-rw-r--r--	2026-01-30 08:27
syslog.h	7.66 KB	-rw-r--r--	2026-01-30 08:27
sysmacros.h	2.05 KB	-rw-r--r--	2026-01-30 08:27
termios.h	74 B	-rw-r--r--	2026-01-30 08:27
time.h	8.92 KB	-rw-r--r--	2026-01-30 08:27
timeb.h	1.13 KB	-rw-r--r--	2026-01-30 08:27
timerfd.h	2.52 KB	-rw-r--r--	2026-01-30 08:27
times.h	1.56 KB	-rw-r--r--	2026-01-30 08:27
timex.h	2.9 KB	-rw-r--r--	2026-01-30 08:27
ttychars.h	2.44 KB	-rw-r--r--	2026-01-30 08:27
ttydefaults.h	3.48 KB	-rw-r--r--	2026-01-30 08:27
types.h	5.58 KB	-rw-r--r--	2026-01-30 08:27
ucontext.h	5.71 KB	-rw-r--r--	2026-01-30 08:27
uio.h	6.64 KB	-rw-r--r--	2026-01-30 08:27
un.h	1.43 KB	-rw-r--r--	2026-01-30 08:27
unistd.h	20 B	-rw-r--r--	2026-01-30 08:27
user.h	5.09 KB	-rw-r--r--	2026-01-30 08:27
utsname.h	2.42 KB	-rw-r--r--	2026-01-30 08:27
vfs.h	161 B	-rw-r--r--	2026-01-30 08:27
vlimit.h	1.84 KB	-rw-r--r--	2026-01-30 08:27
vm86.h	1.17 KB	-rw-r--r--	2026-01-30 08:27
vt.h	22 B	-rw-r--r--	2026-01-30 08:27
wait.h	5.96 KB	-rw-r--r--	2026-01-30 08:27
xattr.h	4.52 KB	-rw-r--r--	2026-01-30 08:27

Rename

/* Copyright (C) 2002-2024 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, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_SYS_EPOLL_H
#define	_SYS_EPOLL_H	1

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

#include <bits/types/sigset_t.h>
#include <bits/types/struct_timespec.h>

/* Get the platform-dependent flags.  */
#include <bits/epoll.h>

#ifndef __EPOLL_PACKED
# define __EPOLL_PACKED
#endif

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
    EPOLLEXCLUSIVE = 1u << 28,
#define EPOLLEXCLUSIVE EPOLLEXCLUSIVE
    EPOLLWAKEUP = 1u << 29,
#define EPOLLWAKEUP EPOLLWAKEUP
    EPOLLONESHOT = 1u << 30,
#define EPOLLONESHOT EPOLLONESHOT
    EPOLLET = 1u << 31
#define EPOLLET EPOLLET
  };

/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl().  */
#define EPOLL_CTL_ADD 1	/* Add a file descriptor to the interface.  */
#define EPOLL_CTL_DEL 2	/* Remove a file descriptor from the interface.  */
#define EPOLL_CTL_MOD 3	/* Change file descriptor 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 */
} __EPOLL_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)
	__attr_access ((__write_only__, 2, 3)) __nonnull ((2));

/* 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)
	__attr_access ((__write_only__, 2, 3)) __nonnull ((2));

/* Same as epoll_pwait, but the timeout as a timespec.

This function is a cancellation point and therefore not marked with
   __THROW.  */
#ifndef __USE_TIME_BITS64
extern int epoll_pwait2 (int __epfd, struct epoll_event *__events,
			 int __maxevents, const struct timespec *__timeout,
			 const __sigset_t *__ss)
	__attr_access ((__write_only__, 2, 3)) __nonnull ((2));
#else
# ifdef __REDIRECT
extern int __REDIRECT (epoll_pwait2, (int __epfd, struct epoll_event *__ev,
				      int __maxevs,
				      const struct timespec *__timeout,
				      const __sigset_t *__ss),
		       __epoll_pwait2_time64)
	__attr_access ((__write_only__, 2, 3)) __nonnull ((2));
# else
#  define epoll_pwait2 __epoll_pwait2_time64
# endif
#endif

__END_DECLS

#endif /* sys/epoll.h */