mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
/* Copyright (C) 1997, 2001 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_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 0x001 /* There is data to read. */
|
|
#define POLLPRI 0x002 /* There is urgent data to read. */
|
|
#define POLLOUT 0x004 /* Writing now will not block. */
|
|
|
|
#ifdef __USE_XOPEN
|
|
/* These values are defined in XPG4.2. */
|
|
# define POLLRDNORM 0x040 /* Normal data may be read. */
|
|
# define POLLRDBAND 0x080 /* Priority data may be read. */
|
|
# define POLLWRNORM 0x100 /* Writing now will not block. */
|
|
# define POLLWRBAND 0x200 /* Priority data may be written. */
|
|
#endif
|
|
|
|
#ifdef __USE_GNU
|
|
/* This is an extension for Linux. */
|
|
# define POLLMSG 0x400
|
|
#endif
|
|
|
|
/* 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 0x008 /* Error condition. */
|
|
#define POLLHUP 0x010 /* Hung up. */
|
|
#define POLLNVAL 0x020 /* Invalid polling request. */
|
|
|
|
#ifdef __USE_MISC
|
|
/* Canonical number of polling requests to read in at a time in poll. */
|
|
# define NPOLLFILE 30
|
|
#endif
|