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sortix--sortix/kernel/include/sortix/poll.h

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2012-12-29 17:09:09 -05:00
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix 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 General Public License for more
details.
You should have received a copy of the GNU General Public License along with
Sortix. If not, see <http://www.gnu.org/licenses/>.
sortix/poll.h
Interface for waiting on file descriptor events.
*******************************************************************************/
#ifndef INCLUDE_SORTIX_POLL_H
#define INCLUDE_SORTIX_POLL_H
#include <sys/cdefs.h>
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__BEGIN_DECLS
typedef unsigned long int nfds_t;
struct pollfd
{
int fd;
short events;
short revents;
};
#define POLLERR (1<<0)
#define POLLHUP (1<<1)
#define POLLNVAL (1<<2)
#define POLLIN (1<<3)
#define POLLRDNORM (1<<4)
#define POLLRDBAND (1<<5)
#define POLLPRI (1<<6)
#define POLLOUT (1<<7)
#define POLLWRNORM (1<<8)
#define POLLWRBAND (1<<9)
#define POLL__ONLY_REVENTS (POLLERR | POLLHUP | POLLNVAL)
__END_DECLS
#endif