From 9cee42f10dbc5b33866ff137b926a74abd7c1a5b Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 1 Mar 2002 20:46:26 +0000 Subject: Major rework of the include files to eliminate redundancy and to better support each arch. This is a really big patch... -Erik --- libc/sysdeps/linux/common/bits/poll.h | 48 +++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 libc/sysdeps/linux/common/bits/poll.h (limited to 'libc/sysdeps/linux/common/bits/poll.h') diff --git a/libc/sysdeps/linux/common/bits/poll.h b/libc/sysdeps/linux/common/bits/poll.h new file mode 100644 index 000000000..dccb8b666 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/poll.h @@ -0,0 +1,48 @@ +/* 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 directly; include 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. */ -- cgit v1.2.3