doc/generated/html/api/sched_8h_source.html

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  30 <h1>include/nucleus/sched.h</h1>  </div>
  31 </div>
  32 <div class="contents">
  33 <a href="sched_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
  34 <a name="l00025"></a>00025 <span class="preprocessor">#ifndef _XENO_NUCLEUS_SCHED_H</span>
  35 <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define _XENO_NUCLEUS_SCHED_H</span>
  36 <a name="l00027"></a>00027 <span class="preprocessor"></span>
  37 <a name="l00031"></a>00031 <span class="preprocessor">#include &lt;nucleus/thread.h&gt;</span>
  38 <a name="l00032"></a>00032
  39 <a name="l00033"></a>00033 <span class="preprocessor">#if defined(__KERNEL__) || defined(__XENO_SIM__)</span>
  40 <a name="l00034"></a>00034 <span class="preprocessor"></span>
  41 <a name="l00035"></a>00035 <span class="preprocessor">#include &lt;nucleus/schedqueue.h&gt;</span>
  42 <a name="l00036"></a>00036 <span class="preprocessor">#include &lt;<a class="code" href="sched-tp_8h.html" title="Definitions for the TP scheduling class.">nucleus/sched-tp.h</a>&gt;</span>
  43 <a name="l00037"></a>00037 <span class="preprocessor">#include &lt;<a class="code" href="sched-sporadic_8h.html" title="Definitions for the SSP scheduling class.">nucleus/sched-sporadic.h</a>&gt;</span>
  44 <a name="l00038"></a>00038 <span class="preprocessor">#include &lt;<a class="code" href="vfile_8h.html" title="This file is part of the Xenomai project.">nucleus/vfile.h</a>&gt;</span>
  45 <a name="l00039"></a>00039
  46 <a name="l00040"></a>00040 <span class="comment">/* Sched status flags */</span>
  47 <a name="l00041"></a>00041 <span class="preprocessor">#define XNKCOUT         0x80000000      </span><span class="comment">/* Sched callout context */</span>
  48 <a name="l00042"></a>00042 <span class="preprocessor">#define XNINTCK         0x40000000      </span><span class="comment">/* In master tick handler context */</span>
  49 <a name="l00043"></a>00043 <span class="preprocessor">#define XNSWLOCK        0x20000000      </span><span class="comment">/* In context switch */</span>
  50 <a name="l00044"></a>00044 <span class="preprocessor">#define XNRESCHED       0x10000000      </span><span class="comment">/* Needs rescheduling */</span>
  51 <a name="l00045"></a>00045
  52 <a name="l00046"></a>00046 <span class="comment">/* Sched local flags */</span>
  53 <a name="l00047"></a>00047 <span class="preprocessor">#define XNHTICK         0x00008000      </span><span class="comment">/* Host tick pending  */</span>
  54 <a name="l00048"></a>00048 <span class="preprocessor">#define XNINIRQ         0x00004000      </span><span class="comment">/* In IRQ handling context */</span>
  55 <a name="l00049"></a>00049 <span class="preprocessor">#define XNHDEFER        0x00002000      </span><span class="comment">/* Host tick deferred */</span>
  56 <a name="l00050"></a>00050
  57 <a name="l00051"></a>00051 <span class="comment">/* Sched RPI status flags */</span>
  58 <a name="l00052"></a>00052 <span class="preprocessor">#define XNRPICK         0x80000000      </span><span class="comment">/* Check RPI state */</span>
  59 <a name="l00053"></a>00053
  60 <a name="l00054"></a>00054 <span class="keyword">struct </span>xnsched_rt {
  61 <a name="l00055"></a>00055         xnsched_queue_t runnable;
  62 <a name="l00056"></a>00056 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PRIOCPL</span>
  63 <a name="l00057"></a>00057 <span class="preprocessor"></span>        xnsched_queue_t relaxed;
  64 <a name="l00058"></a>00058 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_PRIOCPL */</span>
  65 <a name="l00059"></a>00059 };
  66 <a name="l00060"></a>00060
  67 <a name="l00065"></a><a class="code" href="structxnsched.html">00065</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> {
  68 <a name="l00066"></a>00066
  69 <a name="l00067"></a><a class="code" href="structxnsched.html#ad700d0003b158a60599221047b2fc52e">00067</a>         xnflags_t <a class="code" href="structxnsched.html#ad700d0003b158a60599221047b2fc52e">status</a>;
  70 <a name="l00068"></a><a class="code" href="structxnsched.html#a4e9ca82832cb0709308e7d78e7f9d694">00068</a>         xnflags_t <a class="code" href="structxnsched.html#a4e9ca82832cb0709308e7d78e7f9d694">lflags</a>;
  71 <a name="l00069"></a>00069         <span class="keywordtype">int</span> cpu;
  72 <a name="l00070"></a><a class="code" href="structxnsched.html#afd2e6c15e470a38b385930c613856e7b">00070</a>         <span class="keyword">struct </span>xnthread *<a class="code" href="structxnsched.html#afd2e6c15e470a38b385930c613856e7b">curr</a>;
  73 <a name="l00071"></a>00071 <span class="preprocessor">#ifdef CONFIG_SMP</span>
  74 <a name="l00072"></a>00072 <span class="preprocessor"></span>        xnarch_cpumask_t resched;
  75 <a name="l00073"></a>00073 <span class="preprocessor">#endif</span>
  76 <a name="l00074"></a>00074 <span class="preprocessor"></span>
  77 <a name="l00075"></a><a class="code" href="structxnsched.html#a0890af51db917d0e6c02d1ff487daad5">00075</a>         <span class="keyword">struct </span>xnsched_rt <a class="code" href="structxnsched.html#a0890af51db917d0e6c02d1ff487daad5">rt</a>;
  78 <a name="l00076"></a>00076 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_SCHED_TP</span>
  79 <a name="l00077"></a>00077 <span class="preprocessor"></span>        <span class="keyword">struct </span>xnsched_tp tp;
  80 <a name="l00078"></a>00078 <span class="preprocessor">#endif</span>
  81 <a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#ifdef CONFIG_XENO_OPT_SCHED_SPORADIC</span>
  82 <a name="l00080"></a>00080 <span class="preprocessor"></span>        <span class="keyword">struct </span>xnsched_sporadic pss;
  83 <a name="l00081"></a>00081 <span class="preprocessor">#endif</span>
  84 <a name="l00082"></a>00082 <span class="preprocessor"></span>
  85 <a name="l00083"></a>00083         xntimerq_t timerqueue;          <span class="comment">/* !&lt; Core timer queue. */</span>
  86 <a name="l00084"></a><a class="code" href="structxnsched.html#ac9262f830ab6073df75a6f22e905556d">00084</a>         <span class="keyword">volatile</span> <span class="keywordtype">unsigned</span> <a class="code" href="structxnsched.html#ac9262f830ab6073df75a6f22e905556d">inesting</a>;
  87 <a name="l00085"></a><a class="code" href="structxnsched.html#ae2818d36a93ef25f121c67f2ff34d236">00085</a>         <span class="keyword">struct </span>xntimer <a class="code" href="structxnsched.html#ae2818d36a93ef25f121c67f2ff34d236">htimer</a>;
  88 <a name="l00086"></a>00086         <span class="keyword">struct </span>xnthread *zombie;
  89 <a name="l00087"></a><a class="code" href="structxnsched.html#a0804d68b819bdf478bb74b8baa3954bb">00087</a>         <span class="keyword">struct </span>xnthread <a class="code" href="structxnsched.html#a0804d68b819bdf478bb74b8baa3954bb">rootcb</a>;
  90 <a name="l00089"></a>00089 <span class="preprocessor">#ifdef CONFIG_XENO_HW_UNLOCKED_SWITCH</span>
  91 <a name="l00090"></a>00090 <span class="preprocessor"></span>        <span class="keyword">struct </span>xnthread *last;
  92 <a name="l00091"></a>00091 <span class="preprocessor">#endif</span>
  93 <a name="l00092"></a>00092 <span class="preprocessor"></span>
  94 <a name="l00093"></a>00093 <span class="preprocessor">#ifdef CONFIG_XENO_HW_FPU</span>
  95 <a name="l00094"></a>00094 <span class="preprocessor"></span>        <span class="keyword">struct </span>xnthread *fpuholder;
  96 <a name="l00095"></a>00095 <span class="preprocessor">#endif</span>
  97 <a name="l00096"></a>00096 <span class="preprocessor"></span>
  98 <a name="l00097"></a>00097 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_WATCHDOG</span>
  99 <a name="l00098"></a>00098 <span class="preprocessor"></span>        <span class="keyword">struct </span>xntimer wdtimer;
 100 <a name="l00099"></a>00099         <span class="keywordtype">int</span> wdcount;
 101 <a name="l00100"></a>00100 <span class="preprocessor">#endif</span>
 102 <a name="l00101"></a>00101 <span class="preprocessor"></span>
 103 <a name="l00102"></a>00102 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_STATS</span>
 104 <a name="l00103"></a>00103 <span class="preprocessor"></span>        xnticks_t last_account_switch;
 105 <a name="l00104"></a>00104         xnstat_exectime_t *current_account;
 106 <a name="l00105"></a>00105 <span class="preprocessor">#endif</span>
 107 <a name="l00106"></a>00106 <span class="preprocessor"></span>
 108 <a name="l00107"></a>00107 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PRIOCPL</span>
 109 <a name="l00108"></a>00108 <span class="preprocessor"></span>        DECLARE_XNLOCK(rpilock);
 110 <a name="l00109"></a>00109         xnflags_t rpistatus;
 111 <a name="l00110"></a>00110 <span class="preprocessor">#endif</span>
 112 <a name="l00111"></a>00111 <span class="preprocessor"></span>
 113 <a name="l00112"></a>00112 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PERVASIVE</span>
 114 <a name="l00113"></a>00113 <span class="preprocessor"></span>        <span class="keyword">struct </span>task_struct *gatekeeper;
 115 <a name="l00114"></a>00114         <span class="keyword">struct </span>semaphore gksync;
 116 <a name="l00115"></a>00115         <span class="keyword">struct </span>xnthread *gktarget;
 117 <a name="l00116"></a>00116 <span class="preprocessor">#endif</span>
 118 <a name="l00117"></a>00117 <span class="preprocessor"></span>
 119 <a name="l00118"></a>00118 } <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched_t</a>;
 120 <a name="l00119"></a>00119
 121 <a name="l00120"></a>00120 <span class="keyword">union </span>xnsched_policy_param;
 122 <a name="l00121"></a>00121
 123 <a name="l00122"></a>00122 <span class="keyword">struct </span>xnsched_class {
 124 <a name="l00123"></a>00123
 125 <a name="l00124"></a>00124         void (*sched_init)(<span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 126 <a name="l00125"></a>00125         void (*sched_enqueue)(<span class="keyword">struct </span>xnthread *thread);
 127 <a name="l00126"></a>00126         void (*sched_dequeue)(<span class="keyword">struct </span>xnthread *thread);
 128 <a name="l00127"></a>00127         void (*sched_requeue)(<span class="keyword">struct </span>xnthread *thread);
 129 <a name="l00128"></a>00128         <span class="keyword">struct </span>xnthread *(*sched_pick)(<span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 130 <a name="l00129"></a>00129         void (*sched_tick)(<span class="keyword">struct </span>xnthread *curr);
 131 <a name="l00130"></a>00130         void (*sched_rotate)(<span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 132 <a name="l00131"></a>00131                              <span class="keyword">const</span> <span class="keyword">union </span>xnsched_policy_param *p);
 133 <a name="l00132"></a>00132         void (*sched_migrate)(<span class="keyword">struct </span>xnthread *thread,
 134 <a name="l00133"></a>00133                               <span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 135 <a name="l00134"></a>00134         void (*sched_setparam)(<span class="keyword">struct </span>xnthread *thread,
 136 <a name="l00135"></a>00135                                <span class="keyword">const</span> <span class="keyword">union </span>xnsched_policy_param *p);
 137 <a name="l00136"></a>00136         void (*sched_getparam)(<span class="keyword">struct </span>xnthread *thread,
 138 <a name="l00137"></a>00137                                <span class="keyword">union </span>xnsched_policy_param *p);
 139 <a name="l00138"></a>00138         void (*sched_trackprio)(<span class="keyword">struct </span>xnthread *thread,
 140 <a name="l00139"></a>00139                                 <span class="keyword">const</span> <span class="keyword">union </span>xnsched_policy_param *p);
 141 <a name="l00140"></a>00140         int (*sched_declare)(<span class="keyword">struct </span>xnthread *thread,
 142 <a name="l00141"></a>00141                              <span class="keyword">const</span> <span class="keyword">union </span>xnsched_policy_param *p);
 143 <a name="l00142"></a>00142         void (*sched_forget)(<span class="keyword">struct </span>xnthread *thread);
 144 <a name="l00143"></a>00143 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PRIOCPL</span>
 145 <a name="l00144"></a>00144 <span class="preprocessor"></span>        <span class="keyword">struct </span>xnthread *(*sched_push_rpi)(<span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 146 <a name="l00145"></a>00145                                            <span class="keyword">struct </span>xnthread *thread);
 147 <a name="l00146"></a>00146         void (*sched_pop_rpi)(<span class="keyword">struct </span>xnthread *thread);
 148 <a name="l00147"></a>00147         <span class="keyword">struct </span>xnthread *(*sched_peek_rpi)(<span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 149 <a name="l00148"></a>00148         void (*sched_suspend_rpi)(<span class="keyword">struct </span>xnthread *thread);
 150 <a name="l00149"></a>00149         void (*sched_resume_rpi)(<span class="keyword">struct </span>xnthread *thread);
 151 <a name="l00150"></a>00150 <span class="preprocessor">#endif</span>
 152 <a name="l00151"></a>00151 <span class="preprocessor"></span><span class="preprocessor">#ifdef CONFIG_XENO_OPT_VFILE</span>
 153 <a name="l00152"></a>00152 <span class="preprocessor"></span>        int (*sched_init_vfile)(<span class="keyword">struct </span>xnsched_class *schedclass,
 154 <a name="l00153"></a>00153                                 <span class="keyword">struct </span>xnvfile_directory *vfroot);
 155 <a name="l00154"></a>00154         void (*sched_cleanup_vfile)(<span class="keyword">struct </span>xnsched_class *schedclass);
 156 <a name="l00155"></a>00155 <span class="preprocessor">#endif</span>
 157 <a name="l00156"></a>00156 <span class="preprocessor"></span>        <span class="keywordtype">int</span> nthreads;
 158 <a name="l00157"></a>00157         <span class="keyword">struct </span>xnsched_class *next;
 159 <a name="l00158"></a>00158         <span class="keywordtype">int</span> weight;
 160 <a name="l00159"></a>00159         <span class="keyword">const</span> <span class="keywordtype">char</span> *name;
 161 <a name="l00160"></a>00160 };
 162 <a name="l00161"></a>00161
 163 <a name="l00162"></a>00162 <span class="preprocessor">#define XNSCHED_CLASS_MAX_THREADS       32768</span>
 164 <a name="l00163"></a>00163 <span class="preprocessor"></span><span class="preprocessor">#define XNSCHED_CLASS_WEIGHT(n)         (n * XNSCHED_CLASS_MAX_THREADS)</span>
 165 <a name="l00164"></a>00164 <span class="preprocessor"></span>
 166 <a name="l00165"></a>00165 <span class="comment">/* Placeholder for current thread priority */</span>
 167 <a name="l00166"></a>00166 <span class="preprocessor">#define XNSCHED_RUNPRIO   0x80000000</span>
 168 <a name="l00167"></a>00167 <span class="preprocessor"></span>
 169 <a name="l00168"></a>00168 <span class="preprocessor">#ifdef CONFIG_SMP</span>
 170 <a name="l00169"></a>00169 <span class="preprocessor"></span><span class="preprocessor">#define xnsched_cpu(__sched__)  ((__sched__)-&gt;cpu)</span>
 171 <a name="l00170"></a>00170 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_SMP */</span>
 172 <a name="l00171"></a>00171 <span class="preprocessor">#define xnsched_cpu(__sched__)  ({ (void)__sched__; 0; })</span>
 173 <a name="l00172"></a>00172 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CONFIG_SMP */</span>
 174 <a name="l00173"></a>00173
 175 <a name="l00174"></a>00174 <span class="comment">/* Test resched flag of given sched. */</span>
 176 <a name="l00175"></a>00175 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_resched_p(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 177 <a name="l00176"></a>00176 {
 178 <a name="l00177"></a>00177         <span class="keywordflow">return</span> testbits(sched-&gt;<a class="code" href="structxnsched.html#ad700d0003b158a60599221047b2fc52e">status</a>, XNRESCHED);
 179 <a name="l00178"></a>00178 }
 180 <a name="l00179"></a>00179
 181 <a name="l00180"></a>00180 <span class="comment">/* Set self resched flag for the given scheduler. */</span>
 182 <a name="l00181"></a>00181 <span class="preprocessor">#define xnsched_set_self_resched(__sched__) do {                \</span>
 183 <a name="l00182"></a>00182 <span class="preprocessor">  XENO_BUGON(NUCLEUS, __sched__ != xnpod_current_sched());      \</span>
 184 <a name="l00183"></a>00183 <span class="preprocessor">  __setbits((__sched__)-&gt;status, XNRESCHED);                    \</span>
 185 <a name="l00184"></a>00184 <span class="preprocessor">} while (0)</span>
 186 <a name="l00185"></a>00185 <span class="preprocessor"></span>
 187 <a name="l00186"></a>00186 <span class="comment">/* Set resched flag for the given scheduler. */</span>
 188 <a name="l00187"></a>00187 <span class="preprocessor">#ifdef CONFIG_SMP</span>
 189 <a name="l00188"></a>00188 <span class="preprocessor"></span><span class="preprocessor">#define xnsched_set_resched(__sched__) do {                             \</span>
 190 <a name="l00189"></a>00189 <span class="preprocessor">  xnsched_t *current_sched = xnpod_current_sched();                     \</span>
 191 <a name="l00190"></a>00190 <span class="preprocessor">  if (current_sched == (__sched__))                                     \</span>
 192 <a name="l00191"></a>00191 <span class="preprocessor">      __setbits(current_sched-&gt;status, XNRESCHED);                      \</span>
 193 <a name="l00192"></a>00192 <span class="preprocessor">  else if (!xnsched_resched_p(__sched__)) {                             \</span>
 194 <a name="l00193"></a>00193 <span class="preprocessor">      xnarch_cpu_set(xnsched_cpu(__sched__), current_sched-&gt;resched);   \</span>
 195 <a name="l00194"></a>00194 <span class="preprocessor">      __setbits((__sched__)-&gt;status, XNRESCHED);                        \</span>
 196 <a name="l00195"></a>00195 <span class="preprocessor">      __setbits(current_sched-&gt;status, XNRESCHED);                      \</span>
 197 <a name="l00196"></a>00196 <span class="preprocessor">  }                                                                     \</span>
 198 <a name="l00197"></a>00197 <span class="preprocessor">} while (0)</span>
 199 <a name="l00198"></a>00198 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_SMP */</span>
 200 <a name="l00199"></a>00199 <span class="preprocessor">#define xnsched_set_resched     xnsched_set_self_resched</span>
 201 <a name="l00200"></a>00200 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_SMP */</span>
 202 <a name="l00201"></a>00201
 203 <a name="l00202"></a>00202 <span class="keywordtype">void</span> xnsched_zombie_hooks(<span class="keyword">struct</span> xnthread *thread);
 204 <a name="l00203"></a>00203
 205 <a name="l00204"></a>00204 <span class="keywordtype">void</span> __xnsched_finalize_zombie(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 206 <a name="l00205"></a>00205
 207 <a name="l00206"></a>00206 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_finalize_zombie(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 208 <a name="l00207"></a>00207 {
 209 <a name="l00208"></a>00208         <span class="keywordflow">if</span> (sched-&gt;zombie)
 210 <a name="l00209"></a>00209                 __xnsched_finalize_zombie(sched);
 211 <a name="l00210"></a>00210 }
 212 <a name="l00211"></a>00211
 213 <a name="l00212"></a>00212 <span class="preprocessor">#ifdef CONFIG_XENO_HW_UNLOCKED_SWITCH</span>
 214 <a name="l00213"></a>00213 <span class="preprocessor"></span>
 215 <a name="l00214"></a>00214 <span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *xnsched_finish_unlocked_switch(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 216 <a name="l00215"></a>00215
 217 <a name="l00216"></a>00216 <span class="preprocessor">#define xnsched_resched_after_unlocked_switch() xnpod_schedule()</span>
 218 <a name="l00217"></a>00217 <span class="preprocessor"></span>
 219 <a name="l00218"></a>00218 <span class="keyword">static</span> <span class="keyword">inline</span>
 220 <a name="l00219"></a>00219 <span class="keywordtype">int</span> xnsched_maybe_resched_after_unlocked_switch(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 221 <a name="l00220"></a>00220 {
 222 <a name="l00221"></a>00221         <span class="keywordflow">return</span> testbits(sched-&gt;<a class="code" href="structxnsched.html#ad700d0003b158a60599221047b2fc52e">status</a>, XNRESCHED);
 223 <a name="l00222"></a>00222 }
 224 <a name="l00223"></a>00223
 225 <a name="l00224"></a>00224 <span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_HW_UNLOCKED_SWITCH */</span>
 226 <a name="l00225"></a>00225
 227 <a name="l00226"></a>00226 <span class="preprocessor">#ifdef CONFIG_SMP</span>
 228 <a name="l00227"></a>00227 <span class="preprocessor"></span><span class="preprocessor">#define xnsched_finish_unlocked_switch(__sched__)       \</span>
 229 <a name="l00228"></a>00228 <span class="preprocessor">        ({ XENO_BUGON(NUCLEUS, !irqs_disabled_hw());    \</span>
 230 <a name="l00229"></a>00229 <span class="preprocessor">                xnpod_current_sched(); })</span>
 231 <a name="l00230"></a>00230 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_SMP */</span>
 232 <a name="l00231"></a>00231 <span class="preprocessor">#define xnsched_finish_unlocked_switch(__sched__)       \</span>
 233 <a name="l00232"></a>00232 <span class="preprocessor">        ({ XENO_BUGON(NUCLEUS, !irqs_disabled_hw());    \</span>
 234 <a name="l00233"></a>00233 <span class="preprocessor">                (__sched__); })</span>
 235 <a name="l00234"></a>00234 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_SMP */</span>
 236 <a name="l00235"></a>00235
 237 <a name="l00236"></a>00236 <span class="preprocessor">#define xnsched_resched_after_unlocked_switch()         do { } while(0)</span>
 238 <a name="l00237"></a>00237 <span class="preprocessor"></span>
 239 <a name="l00238"></a>00238 <span class="preprocessor">#define xnsched_maybe_resched_after_unlocked_switch(sched)      \</span>
 240 <a name="l00239"></a>00239 <span class="preprocessor">        ({ (void)(sched); 0; })</span>
 241 <a name="l00240"></a>00240 <span class="preprocessor"></span>
 242 <a name="l00241"></a>00241 <span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_XENO_HW_UNLOCKED_SWITCH */</span>
 243 <a name="l00242"></a>00242
 244 <a name="l00243"></a>00243 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_WATCHDOG</span>
 245 <a name="l00244"></a>00244 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_reset_watchdog(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 246 <a name="l00245"></a>00245 {
 247 <a name="l00246"></a>00246         sched-&gt;wdcount = 0;
 248 <a name="l00247"></a>00247 }
 249 <a name="l00248"></a>00248 <span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_WATCHDOG */</span>
 250 <a name="l00249"></a>00249 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_reset_watchdog(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 251 <a name="l00250"></a>00250 {
 252 <a name="l00251"></a>00251 }
 253 <a name="l00252"></a>00252 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_WATCHDOG */</span>
 254 <a name="l00253"></a>00253
 255 <a name="l00254"></a>00254 <span class="preprocessor">#include &lt;<a class="code" href="sched-idle_8h.html" title="Definitions for the IDLE scheduling class.">nucleus/sched-idle.h</a>&gt;</span>
 256 <a name="l00255"></a>00255 <span class="preprocessor">#include &lt;<a class="code" href="sched-rt_8h.html" title="Definitions for the RT scheduling class.">nucleus/sched-rt.h</a>&gt;</span>
 257 <a name="l00256"></a>00256
 258 <a name="l00257"></a>00257 <span class="keywordtype">int</span> xnsched_init_proc(<span class="keywordtype">void</span>);
 259 <a name="l00258"></a>00258
 260 <a name="l00259"></a>00259 <span class="keywordtype">void</span> xnsched_cleanup_proc(<span class="keywordtype">void</span>);
 261 <a name="l00260"></a>00260
 262 <a name="l00261"></a>00261 <span class="keywordtype">void</span> xnsched_register_classes(<span class="keywordtype">void</span>);
 263 <a name="l00262"></a>00262
 264 <a name="l00263"></a>00263 <span class="keywordtype">void</span> xnsched_init(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched, <span class="keywordtype">int</span> cpu);
 265 <a name="l00264"></a>00264
 266 <a name="l00265"></a>00265 <span class="keywordtype">void</span> xnsched_destroy(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 267 <a name="l00266"></a>00266
 268 <a name="l00267"></a>00267 <span class="keyword">struct </span>xnthread *xnsched_pick_next(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 269 <a name="l00268"></a>00268
 270 <a name="l00269"></a>00269 <span class="keywordtype">void</span> xnsched_putback(<span class="keyword">struct</span> xnthread *thread);
 271 <a name="l00270"></a>00270
 272 <a name="l00271"></a>00271 <span class="keywordtype">int</span> xnsched_set_policy(<span class="keyword">struct</span> xnthread *thread,
 273 <a name="l00272"></a>00272                        <span class="keyword">struct</span> xnsched_class *sched_class,
 274 <a name="l00273"></a>00273                        <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *p);
 275 <a name="l00274"></a>00274
 276 <a name="l00275"></a>00275 <span class="keywordtype">void</span> xnsched_track_policy(<span class="keyword">struct</span> xnthread *thread,
 277 <a name="l00276"></a>00276                           <span class="keyword">struct</span> xnthread *target);
 278 <a name="l00277"></a>00277
 279 <a name="l00278"></a>00278 <span class="keywordtype">void</span> xnsched_migrate(<span class="keyword">struct</span> xnthread *thread,
 280 <a name="l00279"></a>00279                      <span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 281 <a name="l00280"></a>00280
 282 <a name="l00281"></a>00281 <span class="keywordtype">void</span> xnsched_migrate_passive(<span class="keyword">struct</span> xnthread *thread,
 283 <a name="l00282"></a>00282                              <span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 284 <a name="l00283"></a>00283
 285 <a name="l00315"></a><a class="code" href="group__sched.html#ga4cb702f4a99401c3c1c73811f55e990f">00315</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__sched.html#ga4cb702f4a99401c3c1c73811f55e990f" title="Rotate a scheduler runqueue.">xnsched_rotate</a>(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 286 <a name="l00316"></a>00316                                   <span class="keyword">struct</span> xnsched_class *sched_class,
 287 <a name="l00317"></a>00317                                   <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *sched_param)
 288 <a name="l00318"></a>00318 {
 289 <a name="l00319"></a>00319         sched_class-&gt;sched_rotate(sched, sched_param);
 290 <a name="l00320"></a>00320 }
 291 <a name="l00321"></a>00321
 292 <a name="l00322"></a>00322 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_init_tcb(<span class="keyword">struct</span> xnthread *thread)
 293 <a name="l00323"></a>00323 {
 294 <a name="l00324"></a>00324         <span class="keywordtype">int</span> ret = 0;
 295 <a name="l00325"></a>00325
 296 <a name="l00326"></a>00326         xnsched_idle_init_tcb(thread);
 297 <a name="l00327"></a>00327         xnsched_rt_init_tcb(thread);
 298 <a name="l00328"></a>00328 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_SCHED_TP</span>
 299 <a name="l00329"></a>00329 <span class="preprocessor"></span>        ret = xnsched_tp_init_tcb(thread);
 300 <a name="l00330"></a>00330         <span class="keywordflow">if</span> (ret)
 301 <a name="l00331"></a>00331                 <span class="keywordflow">return</span> ret;
 302 <a name="l00332"></a>00332 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_SCHED_TP */</span>
 303 <a name="l00333"></a>00333 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_SCHED_SPORADIC</span>
 304 <a name="l00334"></a>00334 <span class="preprocessor"></span>        ret = xnsched_sporadic_init_tcb(thread);
 305 <a name="l00335"></a>00335         <span class="keywordflow">if</span> (ret)
 306 <a name="l00336"></a>00336                 <span class="keywordflow">return</span> ret;
 307 <a name="l00337"></a>00337 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_SCHED_SPORADIC */</span>
 308 <a name="l00338"></a>00338         <span class="keywordflow">return</span> ret;
 309 <a name="l00339"></a>00339 }
 310 <a name="l00340"></a>00340
 311 <a name="l00341"></a>00341 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_root_priority(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 312 <a name="l00342"></a>00342 {
 313 <a name="l00343"></a>00343         <span class="keywordflow">return</span> sched-&gt;<a class="code" href="structxnsched.html#a0804d68b819bdf478bb74b8baa3954bb">rootcb</a>.cprio;
 314 <a name="l00344"></a>00344 }
 315 <a name="l00345"></a>00345
 316 <a name="l00346"></a>00346 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span>xnsched_class *xnsched_root_class(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched)
 317 <a name="l00347"></a>00347 {
 318 <a name="l00348"></a>00348         <span class="keywordflow">return</span> sched-&gt;<a class="code" href="structxnsched.html#a0804d68b819bdf478bb74b8baa3954bb">rootcb</a>.sched_class;
 319 <a name="l00349"></a>00349 }
 320 <a name="l00350"></a>00350
 321 <a name="l00351"></a>00351 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_tick(<span class="keyword">struct</span> xnthread *curr, <span class="keyword">struct</span> xntbase *tbase)
 322 <a name="l00352"></a>00352 {
 323 <a name="l00353"></a>00353         <span class="keyword">struct </span>xnsched_class *sched_class = curr-&gt;sched_class;
 324 <a name="l00354"></a>00354         <span class="comment">/*</span>
 325 <a name="l00355"></a>00355 <span class="comment">         * A thread that undergoes round-robin scheduling only</span>
 326 <a name="l00356"></a>00356 <span class="comment">         * consumes its time slice when it runs within its own</span>
 327 <a name="l00357"></a>00357 <span class="comment">         * scheduling class, which excludes temporary PIP boosts.</span>
 328 <a name="l00358"></a>00358 <span class="comment">         */</span>
 329 <a name="l00359"></a>00359         <span class="keywordflow">if</span> (xnthread_time_base(curr) == tbase &amp;&amp;
 330 <a name="l00360"></a>00360             sched_class != &amp;xnsched_class_idle &amp;&amp;
 331 <a name="l00361"></a>00361             sched_class == curr-&gt;base_class &amp;&amp;
 332 <a name="l00362"></a>00362             xnthread_test_state(curr, XNTHREAD_BLOCK_BITS|<a class="code" href="group__nucleus__state__flags.html#ga2defcfb1f04f077baeac9881cbdda627" title="Holds the scheduler lock (i.e.">XNLOCK</a>|<a class="code" href="group__nucleus__state__flags.html#ga6f451131910f816dd01fe1ec1fb50fe9" title="Undergoes a round-robin scheduling.">XNRRB</a>) == <a class="code" href="group__nucleus__state__flags.html#ga6f451131910f816dd01fe1ec1fb50fe9" title="Undergoes a round-robin scheduling.">XNRRB</a>)
 333 <a name="l00363"></a>00363                 sched_class-&gt;sched_tick(curr);
 334 <a name="l00364"></a>00364 }
 335 <a name="l00365"></a>00365
 336 <a name="l00366"></a>00366 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_SCHED_CLASSES</span>
 337 <a name="l00367"></a>00367 <span class="preprocessor"></span>
 338 <a name="l00368"></a>00368 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_enqueue(<span class="keyword">struct</span> xnthread *thread)
 339 <a name="l00369"></a>00369 {
 340 <a name="l00370"></a>00370         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 341 <a name="l00371"></a>00371
 342 <a name="l00372"></a>00372         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 343 <a name="l00373"></a>00373                 sched_class-&gt;sched_enqueue(thread);
 344 <a name="l00374"></a>00374 }
 345 <a name="l00375"></a>00375
 346 <a name="l00376"></a>00376 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_dequeue(<span class="keyword">struct</span> xnthread *thread)
 347 <a name="l00377"></a>00377 {
 348 <a name="l00378"></a>00378         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 349 <a name="l00379"></a>00379
 350 <a name="l00380"></a>00380         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 351 <a name="l00381"></a>00381                 sched_class-&gt;sched_dequeue(thread);
 352 <a name="l00382"></a>00382 }
 353 <a name="l00383"></a>00383
 354 <a name="l00384"></a>00384 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_requeue(<span class="keyword">struct</span> xnthread *thread)
 355 <a name="l00385"></a>00385 {
 356 <a name="l00386"></a>00386         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 357 <a name="l00387"></a>00387
 358 <a name="l00388"></a>00388         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 359 <a name="l00389"></a>00389                 sched_class-&gt;sched_requeue(thread);
 360 <a name="l00390"></a>00390 }
 361 <a name="l00391"></a>00391
 362 <a name="l00392"></a>00392 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_weighted_bprio(<span class="keyword">struct</span> xnthread *thread)
 363 <a name="l00393"></a>00393 {
 364 <a name="l00394"></a>00394         <span class="keywordflow">return</span> thread-&gt;bprio + thread-&gt;sched_class-&gt;weight;
 365 <a name="l00395"></a>00395 }
 366 <a name="l00396"></a>00396
 367 <a name="l00397"></a>00397 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_weighted_cprio(<span class="keyword">struct</span> xnthread *thread)
 368 <a name="l00398"></a>00398 {
 369 <a name="l00399"></a>00399         <span class="keywordflow">return</span> thread-&gt;cprio + thread-&gt;sched_class-&gt;weight;
 370 <a name="l00400"></a>00400 }
 371 <a name="l00401"></a>00401
 372 <a name="l00402"></a>00402 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_setparam(<span class="keyword">struct</span> xnthread *thread,
 373 <a name="l00403"></a>00403                                     <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *p)
 374 <a name="l00404"></a>00404 {
 375 <a name="l00405"></a>00405         thread-&gt;sched_class-&gt;sched_setparam(thread, p);
 376 <a name="l00406"></a>00406 }
 377 <a name="l00407"></a>00407
 378 <a name="l00408"></a>00408 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_getparam(<span class="keyword">struct</span> xnthread *thread,
 379 <a name="l00409"></a>00409                                     <span class="keyword">union</span> xnsched_policy_param *p)
 380 <a name="l00410"></a>00410 {
 381 <a name="l00411"></a>00411         thread-&gt;sched_class-&gt;sched_getparam(thread, p);
 382 <a name="l00412"></a>00412 }
 383 <a name="l00413"></a>00413
 384 <a name="l00414"></a>00414 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_trackprio(<span class="keyword">struct</span> xnthread *thread,
 385 <a name="l00415"></a>00415                                      <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *p)
 386 <a name="l00416"></a>00416 {
 387 <a name="l00417"></a>00417         thread-&gt;sched_class-&gt;sched_trackprio(thread, p);
 388 <a name="l00418"></a>00418 }
 389 <a name="l00419"></a>00419
 390 <a name="l00420"></a>00420 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_forget(<span class="keyword">struct</span> xnthread *thread)
 391 <a name="l00421"></a>00421 {
 392 <a name="l00422"></a>00422         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;base_class;
 393 <a name="l00423"></a>00423
 394 <a name="l00424"></a>00424         --sched_class-&gt;nthreads;
 395 <a name="l00425"></a>00425
 396 <a name="l00426"></a>00426         <span class="keywordflow">if</span> (sched_class-&gt;sched_forget)
 397 <a name="l00427"></a>00427                 sched_class-&gt;sched_forget(thread);
 398 <a name="l00428"></a>00428 }
 399 <a name="l00429"></a>00429
 400 <a name="l00430"></a>00430 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PRIOCPL</span>
 401 <a name="l00431"></a>00431 <span class="preprocessor"></span>
 402 <a name="l00432"></a>00432 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span>xnthread *xnsched_push_rpi(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 403 <a name="l00433"></a>00433                                                 <span class="keyword">struct</span> xnthread *thread)
 404 <a name="l00434"></a>00434 {
 405 <a name="l00435"></a>00435         <span class="keywordflow">return</span> thread-&gt;sched_class-&gt;sched_push_rpi(sched, thread);
 406 <a name="l00436"></a>00436 }
 407 <a name="l00437"></a>00437
 408 <a name="l00438"></a>00438 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_pop_rpi(<span class="keyword">struct</span> xnthread *thread)
 409 <a name="l00439"></a>00439 {
 410 <a name="l00440"></a>00440         thread-&gt;sched_class-&gt;sched_pop_rpi(thread);
 411 <a name="l00441"></a>00441 }
 412 <a name="l00442"></a>00442
 413 <a name="l00443"></a>00443 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_suspend_rpi(<span class="keyword">struct</span> xnthread *thread)
 414 <a name="l00444"></a>00444 {
 415 <a name="l00445"></a>00445         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 416 <a name="l00446"></a>00446
 417 <a name="l00447"></a>00447         <span class="keywordflow">if</span> (sched_class-&gt;sched_suspend_rpi)
 418 <a name="l00448"></a>00448                 sched_class-&gt;sched_suspend_rpi(thread);
 419 <a name="l00449"></a>00449 }
 420 <a name="l00450"></a>00450
 421 <a name="l00451"></a>00451 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_resume_rpi(<span class="keyword">struct</span> xnthread *thread)
 422 <a name="l00452"></a>00452 {
 423 <a name="l00453"></a>00453         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 424 <a name="l00454"></a>00454
 425 <a name="l00455"></a>00455         <span class="keywordflow">if</span> (sched_class-&gt;sched_resume_rpi)
 426 <a name="l00456"></a>00456                 sched_class-&gt;sched_resume_rpi(thread);
 427 <a name="l00457"></a>00457 }
 428 <a name="l00458"></a>00458
 429 <a name="l00459"></a>00459 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_PRIOCPL */</span>
 430 <a name="l00460"></a>00460
 431 <a name="l00461"></a>00461 <span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_SCHED_CLASSES */</span>
 432 <a name="l00462"></a>00462
 433 <a name="l00463"></a>00463 <span class="comment">/*</span>
 434 <a name="l00464"></a>00464 <span class="comment"> * If only the RT and IDLE scheduling classes are compiled in, we can</span>
 435 <a name="l00465"></a>00465 <span class="comment"> * fully inline common helpers for dealing with those.</span>
 436 <a name="l00466"></a>00466 <span class="comment"> */</span>
 437 <a name="l00467"></a>00467
 438 <a name="l00468"></a>00468 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_enqueue(<span class="keyword">struct</span> xnthread *thread)
 439 <a name="l00469"></a>00469 {
 440 <a name="l00470"></a>00470         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 441 <a name="l00471"></a>00471
 442 <a name="l00472"></a>00472         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 443 <a name="l00473"></a>00473                 __xnsched_rt_enqueue(thread);
 444 <a name="l00474"></a>00474 }
 445 <a name="l00475"></a>00475
 446 <a name="l00476"></a>00476 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_dequeue(<span class="keyword">struct</span> xnthread *thread)
 447 <a name="l00477"></a>00477 {
 448 <a name="l00478"></a>00478         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 449 <a name="l00479"></a>00479
 450 <a name="l00480"></a>00480         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 451 <a name="l00481"></a>00481                 __xnsched_rt_dequeue(thread);
 452 <a name="l00482"></a>00482 }
 453 <a name="l00483"></a>00483
 454 <a name="l00484"></a>00484 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_requeue(<span class="keyword">struct</span> xnthread *thread)
 455 <a name="l00485"></a>00485 {
 456 <a name="l00486"></a>00486         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 457 <a name="l00487"></a>00487
 458 <a name="l00488"></a>00488         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 459 <a name="l00489"></a>00489                 __xnsched_rt_requeue(thread);
 460 <a name="l00490"></a>00490 }
 461 <a name="l00491"></a>00491
 462 <a name="l00492"></a>00492 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_weighted_bprio(<span class="keyword">struct</span> xnthread *thread)
 463 <a name="l00493"></a>00493 {
 464 <a name="l00494"></a>00494         <span class="keywordflow">return</span> thread-&gt;bprio;
 465 <a name="l00495"></a>00495 }
 466 <a name="l00496"></a>00496
 467 <a name="l00497"></a>00497 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xnsched_weighted_cprio(<span class="keyword">struct</span> xnthread *thread)
 468 <a name="l00498"></a>00498 {
 469 <a name="l00499"></a>00499         <span class="keywordflow">return</span> thread-&gt;cprio;
 470 <a name="l00500"></a>00500 }
 471 <a name="l00501"></a>00501
 472 <a name="l00502"></a>00502 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_setparam(<span class="keyword">struct</span> xnthread *thread,
 473 <a name="l00503"></a>00503                                     <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *p)
 474 <a name="l00504"></a>00504 {
 475 <a name="l00505"></a>00505         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 476 <a name="l00506"></a>00506
 477 <a name="l00507"></a>00507         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 478 <a name="l00508"></a>00508                 __xnsched_rt_setparam(thread, p);
 479 <a name="l00509"></a>00509         <span class="keywordflow">else</span>
 480 <a name="l00510"></a>00510                 __xnsched_idle_setparam(thread, p);
 481 <a name="l00511"></a>00511 }
 482 <a name="l00512"></a>00512
 483 <a name="l00513"></a>00513 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_getparam(<span class="keyword">struct</span> xnthread *thread,
 484 <a name="l00514"></a>00514                                     <span class="keyword">union</span> xnsched_policy_param *p)
 485 <a name="l00515"></a>00515 {
 486 <a name="l00516"></a>00516         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 487 <a name="l00517"></a>00517
 488 <a name="l00518"></a>00518         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 489 <a name="l00519"></a>00519                 __xnsched_rt_getparam(thread, p);
 490 <a name="l00520"></a>00520         <span class="keywordflow">else</span>
 491 <a name="l00521"></a>00521                 __xnsched_idle_getparam(thread, p);
 492 <a name="l00522"></a>00522 }
 493 <a name="l00523"></a>00523
 494 <a name="l00524"></a>00524 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_trackprio(<span class="keyword">struct</span> xnthread *thread,
 495 <a name="l00525"></a>00525                                      <span class="keyword">const</span> <span class="keyword">union</span> xnsched_policy_param *p)
 496 <a name="l00526"></a>00526 {
 497 <a name="l00527"></a>00527         <span class="keyword">struct </span>xnsched_class *sched_class = thread-&gt;sched_class;
 498 <a name="l00528"></a>00528
 499 <a name="l00529"></a>00529         <span class="keywordflow">if</span> (sched_class != &amp;xnsched_class_idle)
 500 <a name="l00530"></a>00530                 __xnsched_rt_trackprio(thread, p);
 501 <a name="l00531"></a>00531         <span class="keywordflow">else</span>
 502 <a name="l00532"></a>00532                 __xnsched_idle_trackprio(thread, p);
 503 <a name="l00533"></a>00533 }
 504 <a name="l00534"></a>00534
 505 <a name="l00535"></a>00535 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_forget(<span class="keyword">struct</span> xnthread *thread)
 506 <a name="l00536"></a>00536 {
 507 <a name="l00537"></a>00537         --thread-&gt;base_class-&gt;nthreads;
 508 <a name="l00538"></a>00538         __xnsched_rt_forget(thread);
 509 <a name="l00539"></a>00539 }
 510 <a name="l00540"></a>00540
 511 <a name="l00541"></a>00541 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_PRIOCPL</span>
 512 <a name="l00542"></a>00542 <span class="preprocessor"></span>
 513 <a name="l00543"></a>00543 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span>xnthread *xnsched_push_rpi(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 514 <a name="l00544"></a>00544                                                 <span class="keyword">struct</span> xnthread *thread)
 515 <a name="l00545"></a>00545 {
 516 <a name="l00546"></a>00546         <span class="keywordflow">return</span> __xnsched_rt_push_rpi(sched, thread);
 517 <a name="l00547"></a>00547 }
 518 <a name="l00548"></a>00548
 519 <a name="l00549"></a>00549 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_pop_rpi(<span class="keyword">struct</span> xnthread *thread)
 520 <a name="l00550"></a>00550 {
 521 <a name="l00551"></a>00551         __xnsched_rt_pop_rpi(thread);
 522 <a name="l00552"></a>00552 }
 523 <a name="l00553"></a>00553
 524 <a name="l00554"></a>00554 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_suspend_rpi(<span class="keyword">struct</span> xnthread *thread)
 525 <a name="l00555"></a>00555 {
 526 <a name="l00556"></a>00556         __xnsched_rt_suspend_rpi(thread);
 527 <a name="l00557"></a>00557 }
 528 <a name="l00558"></a>00558
 529 <a name="l00559"></a>00559 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xnsched_resume_rpi(<span class="keyword">struct</span> xnthread *thread)
 530 <a name="l00560"></a>00560 {
 531 <a name="l00561"></a>00561         __xnsched_rt_resume_rpi(thread);
 532 <a name="l00562"></a>00562 }
 533 <a name="l00563"></a>00563
 534 <a name="l00564"></a>00564 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_PRIOCPL */</span>
 535 <a name="l00565"></a>00565
 536 <a name="l00566"></a>00566 <span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_XENO_OPT_SCHED_CLASSES */</span>
 537 <a name="l00567"></a>00567
 538 <a name="l00568"></a>00568 <span class="keywordtype">void</span> xnsched_renice_root(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched,
 539 <a name="l00569"></a>00569                          <span class="keyword">struct</span> xnthread *target);
 540 <a name="l00570"></a>00570
 541 <a name="l00571"></a>00571 <span class="keyword">struct </span>xnthread *xnsched_peek_rpi(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
 542 <a name="l00572"></a>00572
 543 <a name="l00573"></a>00573 <span class="preprocessor">#else </span><span class="comment">/* !(__KERNEL__ || __XENO_SIM__) */</span>
 544 <a name="l00574"></a>00574
 545 <a name="l00575"></a>00575 <span class="preprocessor">#include &lt;<a class="code" href="sched-idle_8h.html" title="Definitions for the IDLE scheduling class.">nucleus/sched-idle.h</a>&gt;</span>
 546 <a name="l00576"></a>00576 <span class="preprocessor">#include &lt;<a class="code" href="sched-rt_8h.html" title="Definitions for the RT scheduling class.">nucleus/sched-rt.h</a>&gt;</span>
 547 <a name="l00577"></a>00577
 548 <a name="l00578"></a>00578 <span class="preprocessor">#endif </span><span class="comment">/* !(__KERNEL__ || __XENO_SIM__) */</span>
 549 <a name="l00579"></a>00579
 550 <a name="l00582"></a>00582 <span class="preprocessor">#endif </span><span class="comment">/* !_XENO_NUCLEUS_SCHED_H */</span>
 551 </pre></div></div>
 552 </div>
 553 <hr class="footer"/><address class="footer"><small>Generated on Wed Nov 2 2011 18:01:06 for Xenomai API by&nbsp;
 554 <a href="http://www.doxygen.org/index.html">
 555 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
 556 </body>
 557 </html>