1 /* Compatibility definitions for System V `poll' interface.
2 Copyright (C) 1994,96,97,98,99,2000,2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 /* Get the platform dependent bits of `poll'. */
26 #include <bits/poll.h>
29 /* Type used for the number of file descriptors. */
30 typedef unsigned long int nfds_t
;
32 /* Data structure describing a polling request. */
35 int fd
; /* File descriptor to poll. */
36 short int events
; /* Types of events poller cares about. */
37 short int revents
; /* Types of events that actually occurred. */
43 /* Poll the file descriptors described by the NFDS structures starting at
44 FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
45 an event to occur; if TIMEOUT is -1, block until an event occurs.
46 Returns the number of file descriptors with events, zero if timed out,
48 extern int poll (struct pollfd
*__fds
, nfds_t __nfds
, int __timeout
) __THROW
;
52 #endif /* sys/poll.h */