mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/* Compatibility definitions for System V `poll' interface.
|
|
Copyright (C) 1994, 1996, 1997, 1998, 1999 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef _SYS_POLL_H
|
|
#define _SYS_POLL_H 1
|
|
|
|
#include <features.h>
|
|
|
|
/* Get the platform dependent bits of `poll'. */
|
|
#include <bits/poll.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* Data structure describing a polling request. */
|
|
struct pollfd
|
|
{
|
|
int fd; /* File descriptor to poll. */
|
|
short int events; /* Types of events poller cares about. */
|
|
short int revents; /* Types of events that actually occurred. */
|
|
};
|
|
|
|
|
|
/* Poll the file descriptors described by the NFDS structures starting at
|
|
FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
|
|
an event to occur; if TIMEOUT is -1, block until an event occurs.
|
|
Returns the number of file descriptors with events, zero if timed out,
|
|
or -1 for errors. */
|
|
extern int __poll (struct pollfd *__fds, unsigned long int __nfds,
|
|
int __timeout) __THROW;
|
|
extern int poll (struct pollfd *__fds, unsigned long int __nfds, int __timeout)
|
|
__THROW;
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* sys/poll.h */
|