doubango/branches/2.0/doubango/tinyNET/src/tnet_poll.h

93 lines
2.2 KiB
C

/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*
*/
/**@file tnet_poll.h
* @brief poll() method implementation for multiplexing network sockets.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
#ifndef TNET_POLL_H
#define TNET_POLL_H
#include "tinynet_config.h"
TNET_BEGIN_DECLS
#if USE_POLL
#include "tnet_types.h"
typedef unsigned long tnet_nfds_t;
#if HAVE_POLL
typedef struct pollfd tnet_pollfd_t;
#define TNET_POLLRDNORM POLLRDNORM
#define TNET_POLLRDBAND POLLRDBAND
#define TNET_POLLIN POLLIN
#define TNET_POLLPRI POLLPRI
#define TNET_POLLWRNORM POLLWRNORM
#define TNET_POLLOUT POLLOUT
#define TNET_POLLWRBAND POLLWRBAND
#define TNET_POLLERR POLLERR
#define TNET_POLLHUP POLLHUP
#define TNET_POLLNVAL POLLNVAL
#if TNET_UNDER_WINDOWS
# define tnet_poll WSAPoll
#else
# define tnet_poll poll
#endif /* TNET_UNDER_WINDOWS */
#else
typedef struct tnet_pollfd_s
{
tnet_fd_t fd;
short events;
short revents;
}
tnet_pollfd_t;
#define TNET_POLLIN 0x0001 /* There is data to read */
#define TNET_POLLPRI 0x0002 /* There is urgent data to read */
#define TNET_POLLOUT 0x0004 /* Writing now will not block */
#define TNET_POLLERR 0x0008 /* Error condition */
#define TNET_POLLHUP 0x0010 /* Hung up */
#define TNET_POLLNVAL 0x0020 /* Invalid request: fd not open */
int tnet_poll(tnet_pollfd_t fds[ ], tnet_nfds_t nfds, int timeout);
#endif /* HAVE_POLL */
#endif /* TNET_USE_POLL */
TNET_END_DECLS
#endif /* TNET_POLL_H */