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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [sysdeps/] [linux/] [m68k/] [bits/] [poll.h] - Blame information for rev 1765

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1 1325 phoenix
/* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, write to the Free
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   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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   02111-1307 USA.  */
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#ifndef _SYS_POLL_H
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# error "Never use <bits/poll.h> directly; include <sys/poll.h> instead."
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#endif
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/* Event types that can be polled for.  These bits may be set in `events'
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   to indicate the interesting event types; they will appear in `revents'
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   to indicate the status of the file descriptor.  */
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#define POLLIN          0x001           /* There is data to read.  */
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#define POLLPRI         0x002           /* There is urgent data to read.  */
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#define POLLOUT         0x004           /* Writing now will not block.  */
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#ifdef __USE_XOPEN
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/* These values are defined in XPG4.2.  */
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# define POLLRDNORM     0x040           /* Normal data may be read.  */
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# define POLLRDBAND     0x080           /* Priority data may be read.  */
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# define POLLWRNORM     POLLOUT         /* Writing now will not block.  */
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# define POLLWRBAND     0x100           /* Priority data may be written.  */
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#endif
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/* Event types always implicitly polled for.  These bits need not be set in
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   `events', but they will appear in `revents' to indicate the status of
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   the file descriptor.  */
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#define POLLERR         0x008           /* Error condition.  */
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#define POLLHUP         0x010           /* Hung up.  */
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#define POLLNVAL        0x020           /* Invalid polling request.  */

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