mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 05:20:06 +00:00
07760b357c
broken by 2000-02-27 change. * sysdeps/generic/bits/poll.h (POLLRDNORM, POLLRDBAND): New macros.
44 lines
1.9 KiB
C
44 lines
1.9 KiB
C
/* Copyright (C) 1997,2000 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
|
|
# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
|
|
#endif
|
|
|
|
/* Event types that can be polled for. These bits may be set in `events'
|
|
to indicate the interesting event types; they will appear in `revents'
|
|
to indicate the status of the file descriptor. */
|
|
#define POLLIN 01 /* There is data to read. */
|
|
#define POLLPRI 02 /* There is urgent data to read. */
|
|
#define POLLOUT 04 /* Writing now will not block. */
|
|
|
|
/* Some aliases. */
|
|
#define POLLWRNORM POLLOUT
|
|
#define POLLRDNORM POLLIN
|
|
#define POLLRDBAND POLLPRI
|
|
|
|
/* Event types always implicitly polled for. These bits need not be set in
|
|
`events', but they will appear in `revents' to indicate the status of
|
|
the file descriptor. */
|
|
#define POLLERR 010 /* Error condition. */
|
|
#define POLLHUP 020 /* Hung up. */
|
|
#define POLLNVAL 040 /* Invalid polling request. */
|
|
|
|
/* Canonical number of polling requests to read in at a time in poll. */
|
|
#define NPOLLFILE 30
|