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/**
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* @file
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* System time and timeout system
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*
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*/
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Author: Simon Kallweit <simon.kallweit(at)intefo.ch>
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*/
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#ifndef TIMESYS_H
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#define TIMESYS_H
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#include "lwip/sys.h"
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#include "lwip/err.h"
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typedef void (*ppp_timeout_handler_t)(void *arg);
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#define TIMEOUT(f, a, t) ppp_timeout(f, a, t)
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#define UNTIMEOUT(f, a) ppp_untimeout(f, a)
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/**
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* Initialize the timesys.
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* @return Returns ERR_OK if successful.
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*/
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err_t ppp_timesys_init(void);
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/**
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* Reset the timesys. Removes all timeouts from the list.
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*/
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void ppp_timesys_reset(void);
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/**
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* Update the timesys.
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* @param delta Update interval in milliseconds.
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*/
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void ppp_timesys_update(u32_t delta);
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/**
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* Returns the current time.
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* @return Returns the time in jiffies.
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*/
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u32_t ppp_jiffies(void);
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/**
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* Setup a timeout.
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* @param handler Timeout handler callback
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* @param arg Timeout handler argument
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* @param timeout Timeout in seconds
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*/
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void ppp_timeout(ppp_timeout_handler_t handler, void *arg, int timeout);
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/**
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* Clear a timeout.
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* @param handler Timeout handler callback
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* @param arg Timeout handler argument
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*/
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void ppp_untimeout(ppp_timeout_handler_t handler, void *arg);
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#endif /* TIMESYS_H */
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