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<h1>TaskManagerImpl.cc</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include "TaskManagerImpl.h"</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include "types.h"</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "error.h"</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "../sys_task/SysTask.h"</span>
<a name="l00006"></a>00006 
<a name="l00007"></a>00007 <span class="keyword">static</span> HTaskPtr systask_start;
<a name="l00008"></a>00008 <span class="keyword">static</span> HTaskPtr systask_finish;
<a name="l00009"></a>00009 
<a name="l00010"></a>00010 <span class="keywordtype">void</span>
<a name="l00011"></a>00011 noaction(<span class="keywordtype">void</span> *p)
<a name="l00012"></a>00012 {
<a name="l00013"></a>00013 }
<a name="l00014"></a>00014 
<a name="l00015"></a>00015 TaskManagerImpl::TaskManagerImpl(<span class="keywordtype">int</span> num)
<a name="l00016"></a>00016     : machineNum(num), activeTaskQueue(NULL), waitTaskQueue(NULL) {}
<a name="l00017"></a>00017 
<a name="l00023"></a>00023 <span class="keywordtype">void</span>
<a name="l00024"></a>00024 TaskManagerImpl::systask_init(<span class="keywordtype">void</span>)
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026     systask_register();
<a name="l00027"></a>00027 
<a name="l00028"></a>00028     systask_start = create_task(SYSTASK_START);
<a name="l00029"></a>00029     systask_finish = create_task(SYSTASK_FINISH);
<a name="l00030"></a>00030 
<a name="l00031"></a>00031     systask_start-&gt;spawn();
<a name="l00032"></a>00032 
<a name="l00033"></a>00033     <span class="comment">// systask_finish で spawn すると</span>
<a name="l00034"></a>00034     <span class="comment">//   systask_finish-&gt;wait_for(systask_finish);</span>
<a name="l00035"></a>00035     <span class="comment">// とかなって無限ループになるので、</span>
<a name="l00036"></a>00036     <span class="comment">// これだけは明示的に append_waitTask() で</span>
<a name="l00037"></a>00037     append_waitTask(systask_finish);
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 HTaskPtr
<a name="l00041"></a>00041 TaskManagerImpl::create_task(<span class="keywordtype">int</span> cmd)
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043     HTaskPtr new_task;
<a name="l00044"></a>00044 
<a name="l00045"></a>00045     new_task = bufferManager-&gt;create_task(cmd);
<a name="l00046"></a>00046     new_task-&gt;post_func = noaction;
<a name="l00047"></a>00047     new_task-&gt;mimpl = <span class="keyword">this</span>;
<a name="l00048"></a>00048 
<a name="l00049"></a>00049     <span class="keywordflow">return</span> new_task;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051 
<a name="l00057"></a>00057 <span class="keywordtype">void</span>
<a name="l00058"></a>00058 TaskManagerImpl::set_task_depend(HTaskPtr master, HTaskPtr slave)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060     TaskQueuePtr m, s;
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     m = bufferManager-&gt;create_taskQueue(master);
<a name="l00063"></a>00063     s = bufferManager-&gt;create_taskQueue(slave);
<a name="l00064"></a>00064 
<a name="l00065"></a>00065     master-&gt;wait_me = TaskQueue::append(master-&gt;wait_me, s);
<a name="l00066"></a>00066     slave-&gt;wait_i   = TaskQueue::append(slave-&gt;wait_i, m);
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 
<a name="l00074"></a>00074 <span class="keywordtype">void</span>
<a name="l00075"></a>00075 TaskManagerImpl::spawn_task(HTaskPtr task)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077     <span class="comment">// waiter // master</span>
<a name="l00078"></a>00078     <span class="comment">// waitee // slave</span>
<a name="l00079"></a>00079     <span class="keywordflow">if</span> (task-&gt;wait_i == NULL) {
<a name="l00080"></a>00080         append_activeTask(task);
<a name="l00081"></a>00081     } <span class="keywordflow">else</span> {
<a name="l00082"></a>00082         append_waitTask(task);  
<a name="l00083"></a>00083     }
<a name="l00084"></a>00084 
<a name="l00085"></a>00085     systask_finish-&gt;wait_for(task);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 
<a name="l00091"></a>00091 <span class="keywordtype">void</span>
<a name="l00092"></a>00092 TaskManagerImpl::append_activeTask(HTaskPtr task)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094     TaskQueuePtr q;
<a name="l00095"></a>00095 
<a name="l00096"></a>00096     q = bufferManager-&gt;create_taskQueue(task);
<a name="l00097"></a>00097     activeTaskQueue = TaskQueue::append(activeTaskQueue, q);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 
<a name="l00106"></a>00106 <span class="keywordtype">void</span>
<a name="l00107"></a>00107 TaskManagerImpl::set_task_cpu(HTaskPtr task, CPU_TYPE type)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109     task-&gt;cpu_type = type;
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111 
<a name="l00119"></a>00119 <span class="keywordtype">void</span>
<a name="l00120"></a>00120 TaskManagerImpl::check_task_finish(HTaskPtr task)
<a name="l00121"></a>00121 {
<a name="l00122"></a>00122     notify_wait_taskQueue(task, task-&gt;wait_me);
<a name="l00123"></a>00123     task-&gt;post_func(task-&gt;post_arg);
<a name="l00124"></a>00124     bufferManager-&gt;free_task(task);
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 
<a name="l00131"></a>00131 <span class="keywordtype">void</span>
<a name="l00132"></a>00132 TaskManagerImpl::notify_wait_taskQueue(HTaskPtr depend, TaskQueuePtr list)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134     TaskQueuePtr p;
<a name="l00135"></a>00135     HTaskPtr task;    
<a name="l00136"></a>00136 
<a name="l00137"></a>00137     p = list; <span class="comment">// wait task list</span>
<a name="l00138"></a>00138 
<a name="l00139"></a>00139     <span class="keywordflow">while</span> (p) {
<a name="l00140"></a>00140         task = (HTaskPtr)p-&gt;task;
<a name="l00141"></a>00141         task-&gt;wait_i = remove_taskQueue_eq_task(task-&gt;wait_i, depend);
<a name="l00142"></a>00142         p = p-&gt;next;
<a name="l00143"></a>00143     }
<a name="l00144"></a>00144 
<a name="l00145"></a>00145     remove_taskQueue_all(list);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 
<a name="l00148"></a>00148 <span class="keywordtype">void</span>
<a name="l00149"></a>00149 TaskManagerImpl::append_waitTask(HTaskPtr task)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151     TaskQueuePtr q;
<a name="l00152"></a>00152 
<a name="l00153"></a>00153     q = bufferManager-&gt;create_taskQueue(task);
<a name="l00154"></a>00154     waitTaskQueue = TaskQueue::append(waitTaskQueue, q);
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 
<a name="l00161"></a>00161 <span class="keywordtype">void</span>
<a name="l00162"></a>00162 TaskManagerImpl::wakeup_waitTask(<span class="keywordtype">void</span>)
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164     TaskQueuePtr p, tmp;
<a name="l00165"></a>00165 
<a name="l00166"></a>00166     p = waitTaskQueue;
<a name="l00167"></a>00167     <span class="keywordflow">while</span> (p) {
<a name="l00168"></a>00168         HTaskPtr task = (HTaskPtr)p-&gt;task;
<a name="l00169"></a>00169         tmp = p;
<a name="l00170"></a>00170         p = p-&gt;next;
<a name="l00171"></a>00171         if (task-&gt;wait_i == NULL) {
<a name="l00172"></a>00172             append_activeTask(task);
<a name="l00173"></a>00173             waitTaskQueue = remove_taskQueue(waitTaskQueue, tmp);
<a name="l00174"></a>00174         }
<a name="l00175"></a>00175     }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 
<a name="l00178"></a>00178 <span class="keywordtype">void</span>
<a name="l00179"></a>00179 TaskManagerImpl::remove_taskQueue_all(TaskQueuePtr list)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181     TaskQueuePtr p = list;
<a name="l00182"></a>00182     TaskQueuePtr p1;
<a name="l00183"></a>00183 
<a name="l00184"></a>00184     <span class="keywordflow">while</span> (p != NULL) {
<a name="l00185"></a>00185         p1 = p-&gt;next;
<a name="l00186"></a>00186         bufferManager-&gt;free_taskQueue(p);
<a name="l00187"></a>00187         p = p1;
<a name="l00188"></a>00188     }
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 
<a name="l00196"></a>00196 TaskQueuePtr
<a name="l00197"></a>00197 TaskManagerImpl::remove_taskQueue_eq_task(TaskQueuePtr list, HTaskPtr task)
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199     TaskQueuePtr p = list;
<a name="l00200"></a>00200     TaskQueuePtr p1;
<a name="l00201"></a>00201     
<a name="l00202"></a>00202     <span class="keywordflow">if</span> (p == NULL) <span class="keywordflow">return</span> p;
<a name="l00203"></a>00203 
<a name="l00204"></a>00204     <span class="keywordflow">if</span> (p-&gt;task == task) {
<a name="l00205"></a>00205         list = list-&gt;next;
<a name="l00206"></a>00206         bufferManager-&gt;free_taskQueue(p);
<a name="l00207"></a>00207     } <span class="keywordflow">else</span> {
<a name="l00208"></a>00208         p1 = p-&gt;next;
<a name="l00209"></a>00209         <span class="keywordflow">while</span> (p1 &amp;&amp; p1-&gt;task &amp;&amp; p1-&gt;task != task) {
<a name="l00210"></a>00210             p1 = p1-&gt;next;
<a name="l00211"></a>00211             p = p-&gt;next;
<a name="l00212"></a>00212         }
<a name="l00213"></a>00213         <span class="keywordflow">if</span> (p1) {
<a name="l00214"></a>00214             p-&gt;next = p1-&gt;next;
<a name="l00215"></a>00215             bufferManager-&gt;free_taskQueue(p1);
<a name="l00216"></a>00216         }
<a name="l00217"></a>00217     }
<a name="l00218"></a>00218 
<a name="l00219"></a>00219     <span class="keywordflow">return</span> list;    
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 
<a name="l00222"></a>00222 TaskQueuePtr
<a name="l00223"></a>00223 TaskManagerImpl::remove_taskQueue(TaskQueuePtr list, TaskQueuePtr q)
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225     TaskQueuePtr p = list;
<a name="l00226"></a>00226     TaskQueuePtr p1;
<a name="l00227"></a>00227 
<a name="l00228"></a>00228     <span class="keywordflow">if</span> (!p) <span class="keywordflow">return</span> p;
<a name="l00229"></a>00229 
<a name="l00230"></a>00230     <span class="keywordflow">if</span> (p == q) {
<a name="l00231"></a>00231         list = list-&gt;next;
<a name="l00232"></a>00232         bufferManager-&gt;free_taskQueue(p);
<a name="l00233"></a>00233     } <span class="keywordflow">else</span> {
<a name="l00234"></a>00234         p1 = p-&gt;next;
<a name="l00235"></a>00235         <span class="keywordflow">while</span> (p1 &amp;&amp; p1 != q) {
<a name="l00236"></a>00236             p1 = p1-&gt;next;
<a name="l00237"></a>00237             p = p-&gt;next;
<a name="l00238"></a>00238         }
<a name="l00239"></a>00239         <span class="keywordflow">if</span> (p1) {
<a name="l00240"></a>00240             p-&gt;next = p1-&gt;next;
<a name="l00241"></a>00241             bufferManager-&gt;free_taskQueue(p1);
<a name="l00242"></a>00242         }
<a name="l00243"></a>00243     }
<a name="l00244"></a>00244 
<a name="l00245"></a>00245     <span class="keywordflow">return</span> list;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 
</pre></div></div>
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