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<h1>ubthread.h</h1><div class="fragment"><pre>00001 <span class="comment">/**************************************************************************************</span>
00002 <span class="comment"> Copyright (c) 2002 The UbixOS Project</span>
00003 <span class="comment"> All rights reserved.</span>
00004 <span class="comment"></span>
00005 <span class="comment">Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:</span>
00006 <span class="comment"></span>
00007 <span class="comment">Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.</span>
00008 <span class="comment">Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors</span>
00009 <span class="comment">in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
00010 <span class="comment">contributors may be used to endorse or promote products derived from this software without specific prior written permission.</span>
00011 <span class="comment"></span>
00012 <span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span>
00013 <span class="comment">WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
00014 <span class="comment">PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span>
00015 <span class="comment">INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span>
00016 <span class="comment">GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY</span>
00017 <span class="comment">OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span>
00018 <span class="comment">OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
00019 <span class="comment"></span>
00020 <span class="comment"> $Id$</span>
00021 <span class="comment"></span>
00022 <span class="comment">**************************************************************************************/</span>
00023
00024 <span class="preprocessor">#ifndef _UBTHREAD_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define _UBTHREAD_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#include <ubixos/types.h></span>
00028 <span class="preprocessor">#include <ubixos/sched.h></span>
00029 <span class="preprocessor">#include <ubixos/time.h></span>
00030
00031 <span class="preprocessor">#define ETIMEDOUT -1</span>
00032 <span class="preprocessor"></span>
00033 <span class="preprocessor">#define LOCKED 1</span>
00034 <span class="preprocessor"></span><span class="preprocessor">#define UNLOCKED 0</span>
00035 <span class="preprocessor"></span>
00036 <span class="keyword">typedef</span> <span class="keyword">struct </span>ubthread *ubthread_t;
00037 <span class="keyword">typedef</span> <span class="keyword">struct </span>ubthread_cond *ubthread_cond_t;
00038 <span class="keyword">typedef</span> <span class="keyword">struct </span>ubthread_mutex *ubthread_mutex_t;
00039
00040 <span class="keyword">struct </span>ubthread {
00041 kTask_t *task;
00042 };
00043
00044 <span class="keyword">struct </span>ubthread_cond {
00045 <span class="keywordtype">int</span> id;
00046 uInt8 locked;
00047 };
00048
00049 <span class="keyword">struct </span>ubthread_mutex {
00050 <span class="keywordtype">int</span> id;
00051 uInt8 locked;
00052 pidType pid;
00053 };
00054
00055 <span class="keyword">struct </span>ubthread_list {
00056 <span class="keyword">struct </span>ubthread_list *next;
00057 ubthread_t thread;
00058 };
00059
00060 <span class="keyword">struct </span>ubthread_cond_list {
00061 <span class="keyword">struct </span>ubthread_cond_list *next;
00062 ubthread_cond_t *cond;
00063 };
00064
00065 <span class="keyword">struct </span>ubthread_mutex_list {
00066 <span class="keyword">struct </span>ubthread_mutex_list *next;
00067 ubthread_mutex_t *mutex;
00068 };
00069
00070
00071 kTask_t *ubthread_self();
00072 <span class="keywordtype">int</span> ubthread_cond_init(ubthread_cond_t *cond,<span class="keyword">const</span> uInt32 attr);
00073 <span class="keywordtype">int</span> ubthread_mutex_init(ubthread_mutex_t *mutex,<span class="keyword">const</span> uInt32 attr);
00074 <span class="keywordtype">int</span> ubthread_cond_destroy(ubthread_cond_t *cond);
00075 <span class="keywordtype">int</span> ubthread_mutex_destroy(ubthread_mutex_t *mutex);
00076 <span class="keywordtype">int</span> ubthread_create(kTask_t **thread,<span class="keyword">const</span> uInt32 *attr,<span class="keywordtype">void</span> *start_routine, <span class="keywordtype">void</span> *arg);
00077 <span class="keywordtype">int</span> ubthread_mutex_lock(ubthread_mutex_t *mutex);
00078 <span class="keywordtype">int</span> ubthread_mutex_unlock(ubthread_mutex_t *mutex);
00079 <span class="keywordtype">int</span> ubthread_cond_timedwait(ubthread_cond_t *cond, ubthread_mutex_t *mutex, <span class="keyword">const</span> <span class="keyword">struct</span> timespec *abstime);
00080 <span class="keywordtype">int</span> ubthread_cond_wait(ubthread_cond_t *cond, ubthread_mutex_t *mutex);
00081 <span class="keywordtype">int</span> ubthread_cond_signal(ubthread_cond_t *cond);
00082
00083 <span class="preprocessor">#endif</span>
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