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<h1>sys.h</h1><a href="sys_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved. </span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
<a name="l00007"></a>00007 <span class="comment"> * are met: </span>
<a name="l00008"></a>00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
<a name="l00009"></a>00009 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
<a name="l00010"></a>00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span>
<a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provided with the distribution. </span>
<a name="l00013"></a>00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
<a name="l00014"></a>00014 <span class="comment"> * may be used to endorse or promote products derived from this software </span>
<a name="l00015"></a>00015 <span class="comment"> * without specific prior written permission. </span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
<a name="l00018"></a>00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
<a name="l00019"></a>00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
<a name="l00020"></a>00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
<a name="l00021"></a>00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
<a name="l00022"></a>00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
<a name="l00023"></a>00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
<a name="l00024"></a>00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
<a name="l00025"></a>00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
<a name="l00026"></a>00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
<a name="l00027"></a>00027 <span class="comment"> * SUCH DAMAGE. </span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
<a name="l00030"></a>00030 <span class="comment"> * </span>
<a name="l00031"></a>00031 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
<a name="l00032"></a>00032 <span class="comment"> *</span>
<a name="l00033"></a>00033 <span class="comment"> * $Id$</span>
<a name="l00034"></a>00034 <span class="comment"> */</span>
<a name="l00035"></a>00035 <span class="preprocessor">#ifndef __LWIP_SYS_H__</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define __LWIP_SYS_H__</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "<a class="code" href="cc_8h.html">arch/cc.h</a>"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="sys__arch_8h.html">arch/sys_arch.h</a>"</span>
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">00041</a> <span class="keyword">typedef</span> void (* <a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">sys_timeout_handler</a>)(<span class="keywordtype">void</span> *arg);
<a name="l00042"></a>00042
<a name="l00043"></a><a class="code" href="structsys__timeout.html">00043</a> <span class="keyword">struct </span><a class="code" href="structsys__timeout.html">sys_timeout</a> {
<a name="l00044"></a><a class="code" href="structsys__timeout.html#dc3659bd760019a94f216809e2eb8271">00044</a> <span class="keyword">struct </span><a class="code" href="structsys__timeout.html">sys_timeout</a> *<a class="code" href="structsys__timeout.html#dc3659bd760019a94f216809e2eb8271">next</a>;
<a name="l00045"></a><a class="code" href="structsys__timeout.html#5f858b7e108ef28f4da55f062ebc9bb6">00045</a> <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> <a class="code" href="structsys__timeout.html#5f858b7e108ef28f4da55f062ebc9bb6">time</a>;
<a name="l00046"></a><a class="code" href="structsys__timeout.html#dc2f8654aef6eae6d4f8818681de92f4">00046</a> <a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">sys_timeout_handler</a> <a class="code" href="structsys__timeout.html#dc2f8654aef6eae6d4f8818681de92f4">h</a>;
<a name="l00047"></a><a class="code" href="structsys__timeout.html#08ef2543fa6f102c1e2b5ea3fed3cc36">00047</a> <span class="keywordtype">void</span> *<a class="code" href="structsys__timeout.html#08ef2543fa6f102c1e2b5ea3fed3cc36">arg</a>;
<a name="l00048"></a>00048 };
<a name="l00049"></a>00049
<a name="l00050"></a><a class="code" href="structsys__timeouts.html">00050</a> <span class="keyword">struct </span><a class="code" href="structsys__timeouts.html">sys_timeouts</a> {
<a name="l00051"></a><a class="code" href="structsys__timeouts.html#80922134cf5f7db06829b6ee49b4954c">00051</a> <span class="keyword">struct </span><a class="code" href="structsys__timeout.html">sys_timeout</a> *<a class="code" href="structsys__timeouts.html#80922134cf5f7db06829b6ee49b4954c">next</a>;
<a name="l00052"></a>00052 };
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">/* sys_init() must be called before anthing else. */</span>
<a name="l00055"></a>00055 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#f411a8bc6b7ed4b0af9114e10c959448">sys_init</a>(<span class="keywordtype">void</span>);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">/*</span>
<a name="l00058"></a>00058 <span class="comment"> * sys_timeout():</span>
<a name="l00059"></a>00059 <span class="comment"> *</span>
<a name="l00060"></a>00060 <span class="comment"> * Schedule a timeout a specified amount of milliseconds in the</span>
<a name="l00061"></a>00061 <span class="comment"> * future. When the timeout occurs, the specified timeout handler will</span>
<a name="l00062"></a>00062 <span class="comment"> * be called. The handler will be passed the "arg" argument when</span>
<a name="l00063"></a>00063 <span class="comment"> * called.</span>
<a name="l00064"></a>00064 <span class="comment"> *</span>
<a name="l00065"></a>00065 <span class="comment"> */</span>
<a name="l00066"></a>00066 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#eb917c25d96a51e1998478b9e6e78a44">sys_timeout</a>(<a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> msecs, <a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">sys_timeout_handler</a> <a class="code" href="structsys__timeout.html#dc2f8654aef6eae6d4f8818681de92f4">h</a>, <span class="keywordtype">void</span> *<a class="code" href="structsys__timeout.html#08ef2543fa6f102c1e2b5ea3fed3cc36">arg</a>);
<a name="l00067"></a>00067 <span class="keyword">struct </span><a class="code" href="structsys__timeouts.html">sys_timeouts</a> *<a class="code" href="sys_8h.html#2ffdebd63f7a80c0233aa7460a816dff">sys_arch_timeouts</a>(<span class="keywordtype">void</span>);
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">/* Semaphore functions. */</span>
<a name="l00070"></a>00070 <a class="code" href="structsys__sem.html">sys_sem_t</a> <a class="code" href="sys_8h.html#adf2563f342b33ff6033eaa12f642e9d">sys_sem_new</a>(<a class="code" href="types_8h.html#a4e0f27a9aca905e340c06d2dcae843c">uInt8</a> count);
<a name="l00071"></a>00071 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#dcdd78b22487e983e7636c636292fbfa">sys_sem_signal</a>(<a class="code" href="structsys__sem.html">sys_sem_t</a> sem);
<a name="l00072"></a>00072 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> <a class="code" href="sys_8h.html#bf9681f6dcec783b38693e9d0b7af937">sys_arch_sem_wait</a>(<a class="code" href="structsys__sem.html">sys_sem_t</a> sem, <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> timeout);
<a name="l00073"></a>00073 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#f36773453b6a4db5ae71afef8bb77184">sys_sem_free</a>(<a class="code" href="structsys__sem.html">sys_sem_t</a> sem);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#6c4530613bd616e719a295779b87ae5c">sys_sem_wait</a>(<a class="code" href="structsys__sem.html">sys_sem_t</a> sem);
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="comment">/* Mailbox functions. */</span>
<a name="l00078"></a>00078 <a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="sys_8h.html#3b766e6df37d63d5f1144c5089c2af94">sys_mbox_new</a>(<span class="keywordtype">void</span>);
<a name="l00079"></a>00079 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#217a9af37c5dd7c3fc16daddaacb976f">sys_mbox_post</a>(<a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, <span class="keywordtype">void</span> *msg);
<a name="l00080"></a>00080 <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> <a class="code" href="sys_8h.html#94ffa3f15cc0eda6dae85c6ccb88da6e">sys_arch_mbox_fetch</a>(<a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, <span class="keywordtype">void</span> **msg, <a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> timeout);
<a name="l00081"></a>00081 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#66160e039d0222f4dd8534cd3ab84699">sys_mbox_free</a>(<a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#afce1f71c38e3d7d08ebf0654ec97dfa">sys_mbox_fetch</a>(<a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, <span class="keywordtype">void</span> **msg);
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">/* Thread functions. */</span>
<a name="l00086"></a>00086 <span class="comment">//void sys_thread_new(void (* thread)(void *arg), void *arg);</span>
<a name="l00087"></a>00087 <span class="keywordtype">void</span> <a class="code" href="sys_8h.html#eb9b7d7cea295be85b0b0ddb7c9fe566">sys_thread_new</a>(<span class="keywordtype">void</span> (* function)(<span class="keywordtype">void</span>), <span class="keywordtype">void</span> *arg);
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">/* The following functions are used only in Unix code, and</span>
<a name="l00090"></a>00090 <span class="comment"> can be omitted when porting the stack. */</span>
<a name="l00091"></a>00091 <span class="comment">/* Returns the current time in microseconds. */</span>
<a name="l00092"></a>00092 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="sys_8h.html#7bf682e03264736e39a24472167d0bca">sys_now</a>(<span class="keywordtype">void</span>);
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="preprocessor">#endif </span><span class="comment">/* __LWIP_SYS_H__ */</span>
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