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<h1>include/nucleus/timer.h</h1><a href="include_2nucleus_2timer_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef _XENO_NUCLEUS_TIMER_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define _XENO_NUCLEUS_TIMER_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="timebase_8h.html">nucleus/timebase.h</a>></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <nucleus/stat.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#if defined(__KERNEL__) || defined(__XENO_SIM__)</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#ifndef CONFIG_XENO_OPT_DEBUG_TIMERS</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define CONFIG_XENO_OPT_DEBUG_TIMERS 0</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#define XNTIMER_WHEELSIZE 64</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_WHEELMASK (XNTIMER_WHEELSIZE - 1)</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="comment">/* Timer status */</span>
<a name="l00039"></a>00039 <span class="preprocessor">#define XNTIMER_DEQUEUED 0x00000001</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_KILLED 0x00000002</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_PERIODIC 0x00000004</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_REALTIME 0x00000008</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_FIRED 0x00000010</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_NOBLCK 0x00000020</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a>00046 <span class="comment">/* These flags are available to the real-time interfaces */</span>
<a name="l00047"></a>00047 <span class="preprocessor">#define XNTIMER_SPARE0 0x01000000</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE1 0x02000000</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE2 0x04000000</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE3 0x08000000</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE4 0x10000000</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE5 0x20000000</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE6 0x40000000</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_SPARE7 0x80000000</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>
<a name="l00056"></a>00056 <span class="comment">/* Timer priorities */</span>
<a name="l00057"></a>00057 <span class="preprocessor">#define XNTIMER_LOPRIO (-999999999)</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_STDPRIO 0</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define XNTIMER_HIPRIO 999999999</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="preprocessor">#define XNTIMER_KEEPER_ID 0</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span>
<a name="l00063"></a>00063 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00064"></a>00064 xnholder_t link;
<a name="l00065"></a>00065 xnticks_t key;
<a name="l00066"></a>00066 <span class="keywordtype">int</span> prio;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="preprocessor">#define link2tlholder(ln) container_of(ln, xntlholder_t, link)</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 } xntlholder_t;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="preprocessor">#define xntlholder_date(h) ((h)->key)</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define xntlholder_prio(h) ((h)->prio)</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#define xntlholder_init(h) inith(&(h)->link)</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor">#define xntlist_init(q) initq(q)</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span><span class="preprocessor">#define xntlist_head(q) \</span>
<a name="l00077"></a>00077 <span class="preprocessor"> ({ xnholder_t *_h = getheadq(q); \</span>
<a name="l00078"></a>00078 <span class="preprocessor"> !_h ? NULL : link2tlholder(_h); \</span>
<a name="l00079"></a>00079 <span class="preprocessor"> })</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span>
<a name="l00081"></a>00081 <span class="preprocessor">#define xntlist_next(q, h) \</span>
<a name="l00082"></a>00082 <span class="preprocessor"> ({ xnholder_t *_h = nextq(q, &(h)->link); \</span>
<a name="l00083"></a>00083 <span class="preprocessor"> !_h ? NULL : link2tlholder(_h); \</span>
<a name="l00084"></a>00084 <span class="preprocessor"> })</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span>
<a name="l00086"></a>00086 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xntlist_insert(xnqueue_t *q, xntlholder_t *holder)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 xnholder_t *p;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">/* Insert the new timer at the proper place in the single</span>
<a name="l00091"></a>00091 <span class="comment"> queue managed when running in aperiodic mode. O(N) here,</span>
<a name="l00092"></a>00092 <span class="comment"> but users of the aperiodic mode need to pay a price for the</span>
<a name="l00093"></a>00093 <span class="comment"> increased flexibility... */</span>
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordflow">for</span> (p = q->head.last; p != &q->head; p = p->last)
<a name="l00096"></a>00096 <span class="keywordflow">if</span> ((xnsticks_t) (holder->key - link2tlholder(p)->key) > 0 ||
<a name="l00097"></a>00097 (holder->key == link2tlholder(p)->key &&
<a name="l00098"></a>00098 holder->prio <= link2tlholder(p)->prio))
<a name="l00099"></a>00099 <span class="keywordflow">break</span>;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 insertq(q,p->next,&holder->link);
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="preprocessor">#define xntlist_remove(q, h) removeq((q),&(h)->link)</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>
<a name="l00106"></a>00106 <span class="preprocessor">#if defined(CONFIG_XENO_OPT_TIMER_HEAP)</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span>
<a name="l00108"></a>00108 <span class="preprocessor">#include <nucleus/bheap.h></span>
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keyword">typedef</span> bheaph_t xntimerh_t;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="preprocessor">#define xntimerh_date(h) bheaph_key(h)</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_prio(h) bheaph_prio(h)</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_init(h) bheaph_init(h)</span>
<a name="l00115"></a>00115 <span class="preprocessor"></span>
<a name="l00116"></a>00116 <span class="keyword">typedef</span> DECLARE_BHEAP_CONTAINER(xntimerq_t, CONFIG_XENO_OPT_TIMER_HEAP_CAPACITY);
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="preprocessor">#define xntimerq_init(q) bheap_init((q), CONFIG_XENO_OPT_TIMER_HEAP_CAPACITY)</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_destroy(q) bheap_destroy(q)</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_head(q) bheap_gethead(q)</span>
<a name="l00121"></a>00121 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_insert(q, h) bheap_insert((q),(h))</span>
<a name="l00122"></a>00122 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_remove(q, h) bheap_delete((q),(h))</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span>
<a name="l00124"></a>00124 <span class="keyword">typedef</span> <span class="keyword">struct </span>{} xntimerq_it_t;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="preprocessor">#define xntimerq_it_begin(q, i) ((void) (i), bheap_gethead(q))</span>
<a name="l00127"></a>00127 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_it_next(q, i, h) ((void) (i), bheap_next((q),(h)))</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00129"></a>00129 <span class="preprocessor">#elif defined(CONFIG_XENO_OPT_TIMER_WHEEL)</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span>
<a name="l00131"></a>00131 <span class="keyword">typedef</span> xntlholder_t xntimerh_t;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="preprocessor">#define xntimerh_date(h) xntlholder_date(h)</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_prio(h) xntlholder_prio(h)</span>
<a name="l00135"></a>00135 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_init(h) xntlholder_init(h)</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137 <span class="keyword">typedef</span> <span class="keyword">struct </span>xntimerq {
<a name="l00138"></a>00138 <span class="keywordtype">unsigned</span> date_shift;
<a name="l00139"></a>00139 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> next_shot;
<a name="l00140"></a>00140 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> shot_wrap;
<a name="l00141"></a>00141 xnqueue_t bucket[XNTIMER_WHEELSIZE];
<a name="l00142"></a>00142 } xntimerq_t;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keyword">typedef</span> <span class="keyword">struct </span>xntimerq_it {
<a name="l00145"></a>00145 <span class="keywordtype">unsigned</span> bucket;
<a name="l00146"></a>00146 } xntimerq_it_t;
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xntimerq_init(xntimerq_t *q)
<a name="l00149"></a>00149 {
<a name="l00150"></a>00150 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> step_tsc;
<a name="l00151"></a>00151 <span class="keywordtype">unsigned</span> i;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 step_tsc = xnarch_ns_to_tsc(CONFIG_XENO_OPT_TIMER_WHEEL_STEP);
<a name="l00154"></a>00154 <span class="comment">/* q->date_shift = fls(step_tsc); */</span>
<a name="l00155"></a>00155 <span class="keywordflow">for</span> (q->date_shift = 0; (1 << q->date_shift) < step_tsc; q->date_shift++)
<a name="l00156"></a>00156 ;
<a name="l00157"></a>00157 q->next_shot = q->shot_wrap = ((~0ULL) >> q->date_shift) + 1;
<a name="l00158"></a>00158 <span class="keywordflow">for</span> (i = 0; i < <span class="keyword">sizeof</span>(q->bucket)/<span class="keyword">sizeof</span>(xnqueue_t); i++)
<a name="l00159"></a>00159 xntlist_init(&q->bucket[i]);
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="preprocessor">#define xntimerq_destroy(q) do { } while (0)</span>
<a name="l00163"></a>00163 <span class="preprocessor"></span>
<a name="l00164"></a>00164 <span class="keyword">static</span> <span class="keyword">inline</span> xntlholder_t *xntimerq_head(xntimerq_t *q)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keywordtype">unsigned</span> bucket = ((unsigned) q->next_shot) & XNTIMER_WHEELMASK;
<a name="l00167"></a>00167 xntlholder_t *result;
<a name="l00168"></a>00168 <span class="keywordtype">unsigned</span> i;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (q->next_shot == q->shot_wrap)
<a name="l00171"></a>00171 <span class="keywordflow">return</span> NULL;
<a name="l00172"></a>00172
<a name="l00173"></a>00173 result = xntlist_head(&q->bucket[bucket]);
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (result && (xntlholder_date(result) >> q->date_shift) == q->next_shot)
<a name="l00176"></a>00176 <span class="keywordflow">return</span> result;
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="comment">/* We could not find the next timer in the first bucket, iterate over</span>
<a name="l00179"></a>00179 <span class="comment"> the other buckets. */</span>
<a name="l00180"></a>00180 <span class="keywordflow">for</span> (i = (bucket + 1) & XNTIMER_WHEELMASK ;
<a name="l00181"></a>00181 i != bucket; i = (i + 1) & XNTIMER_WHEELMASK) {
<a name="l00182"></a>00182 xntlholder_t *candidate = xntlist_head(&q->bucket[i]);
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span>(++q->next_shot == q->shot_wrap)
<a name="l00185"></a>00185 q->next_shot = 0;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (!candidate)
<a name="l00188"></a>00188 <span class="keywordflow">continue</span>;
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keywordflow">if</span> ((xntlholder_date(candidate) >> q->date_shift) == q->next_shot)
<a name="l00191"></a>00191 <span class="keywordflow">return</span> candidate;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (!result || (xnsticks_t) (xntlholder_date(candidate)
<a name="l00194"></a>00194 - xntlholder_date(result)) < 0)
<a name="l00195"></a>00195 result = candidate;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (result)
<a name="l00199"></a>00199 q->next_shot = (xntlholder_date(result) >> q->date_shift);
<a name="l00200"></a>00200 <span class="keywordflow">else</span>
<a name="l00201"></a>00201 q->next_shot = q->shot_wrap;
<a name="l00202"></a>00202 <span class="keywordflow">return</span> result;
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xntimerq_insert(xntimerq_t *q, xntimerh_t *h)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> shifted_date = xntlholder_date(h) >> q->date_shift;
<a name="l00208"></a>00208 <span class="keywordtype">unsigned</span> bucket = ((unsigned) shifted_date) & XNTIMER_WHEELMASK;
<a name="l00209"></a>00209
<a name="l00210"></a>00210 <span class="keywordflow">if</span> ((<span class="keywordtype">long</span> <span class="keywordtype">long</span>) (shifted_date - q->next_shot) < 0)
<a name="l00211"></a>00211 q->next_shot = shifted_date;
<a name="l00212"></a>00212 xntlist_insert(&q->bucket[bucket], h);
<a name="l00213"></a>00213 }
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xntimerq_remove(xntimerq_t *q, xntimerh_t *h)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> shifted_date = xntlholder_date(h) >> q->date_shift;
<a name="l00218"></a>00218 <span class="keywordtype">unsigned</span> bucket = ((unsigned) shifted_date) & XNTIMER_WHEELMASK;
<a name="l00219"></a>00219
<a name="l00220"></a>00220 xntlist_remove(&q->bucket[bucket], h);
<a name="l00221"></a>00221 <span class="comment">/* Do not attempt to update q->next_shot, xntimerq_head will recover. */</span>
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="keyword">static</span> <span class="keyword">inline</span> xntimerh_t *xntimerq_it_begin(xntimerq_t *q, xntimerq_it_t *it)
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 xntimerh_t *holder = NULL;
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordflow">for</span> (it->bucket = 0; it->bucket < XNTIMER_WHEELSIZE; it->bucket++)
<a name="l00229"></a>00229 <span class="keywordflow">if</span> ((holder = xntlist_head(&q->bucket[it->bucket])))
<a name="l00230"></a>00230 <span class="keywordflow">break</span>;
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="keywordflow">return</span> holder;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234
<a name="l00235"></a>00235 <span class="keyword">static</span> <span class="keyword">inline</span> xntimerh_t *
<a name="l00236"></a>00236 xntimerq_it_next(xntimerq_t *q, xntimerq_it_t *it, xntimerh_t *holder)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 xntimerh_t *next = xntlist_next(&q->bucket[it->bucket], holder);
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="keywordflow">if</span> (!next)
<a name="l00241"></a>00241 <span class="keywordflow">for</span>(it->bucket++; it->bucket < XNTIMER_WHEELSIZE; it->bucket++)
<a name="l00242"></a>00242 <span class="keywordflow">if</span> ((next = xntlist_head(&q->bucket[it->bucket])))
<a name="l00243"></a>00243 <span class="keywordflow">break</span>;
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keywordflow">return</span> next;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="preprocessor">#else </span><span class="comment">/* CONFIG_XENO_OPT_TIMER_LIST */</span>
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keyword">typedef</span> xntlholder_t xntimerh_t;
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="preprocessor">#define xntimerh_date(h) xntlholder_date(h)</span>
<a name="l00253"></a>00253 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_prio(h) xntlholder_prio(h)</span>
<a name="l00254"></a>00254 <span class="preprocessor"></span><span class="preprocessor">#define xntimerh_init(h) xntlholder_init(h)</span>
<a name="l00255"></a>00255 <span class="preprocessor"></span>
<a name="l00256"></a>00256 <span class="keyword">typedef</span> xnqueue_t xntimerq_t;
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="preprocessor">#define xntimerq_init(q) xntlist_init(q)</span>
<a name="l00259"></a>00259 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_destroy(q) do { } while (0)</span>
<a name="l00260"></a>00260 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_head(q) xntlist_head(q)</span>
<a name="l00261"></a>00261 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_insert(q,h) xntlist_insert((q),(h))</span>
<a name="l00262"></a>00262 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_remove(q, h) xntlist_remove((q),(h))</span>
<a name="l00263"></a>00263 <span class="preprocessor"></span>
<a name="l00264"></a>00264 <span class="keyword">typedef</span> <span class="keyword">struct </span>{} xntimerq_it_t;
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="preprocessor">#define xntimerq_it_begin(q,i) ((void) (i), xntlist_head(q))</span>
<a name="l00267"></a>00267 <span class="preprocessor"></span><span class="preprocessor">#define xntimerq_it_next(q,i,h) ((void) (i), xntlist_next((q),(h)))</span>
<a name="l00268"></a>00268 <span class="preprocessor"></span>
<a name="l00269"></a>00269 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_TIMER_LIST */</span>
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a>;
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="keyword">typedef</span> <span class="keyword">struct </span>xntimer {
<a name="l00274"></a>00274
<a name="l00275"></a>00275 xntimerh_t aplink; <span class="comment">/* Link in aperiodic timers list. */</span>
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="preprocessor">#define aplink2timer(ln) container_of(ln, xntimer_t, aplink)</span>
<a name="l00278"></a>00278 <span class="preprocessor"></span>
<a name="l00279"></a>00279 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_TIMING_PERIODIC</span>
<a name="l00280"></a>00280 <span class="preprocessor"></span> xntbase_t *base; <span class="comment">/* Time base. */</span>
<a name="l00281"></a>00281
<a name="l00282"></a>00282 xntlholder_t plink; <span class="comment">/* Link in periodic timers wheel. */</span>
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <span class="preprocessor">#define plink2timer(ln) container_of(ln, xntimer_t, plink)</span>
<a name="l00285"></a>00285 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_TIMING_PERIODIC */</span>
<a name="l00286"></a>00286
<a name="l00287"></a>00287 xnholder_t adjlink;
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="preprocessor">#define adjlink2timer(ln) container_of(ln, xntimer_t, adjlink)</span>
<a name="l00290"></a>00290 <span class="preprocessor"></span>
<a name="l00291"></a>00291 xnflags_t status; <span class="comment">/* !< Timer status. */</span>
<a name="l00292"></a>00292
<a name="l00293"></a>00293 xnticks_t interval; <span class="comment">/* !< Periodic interval (in ticks, 0 == one shot). */</span>
<a name="l00294"></a>00294
<a name="l00295"></a>00295 xnticks_t pexpect; <span class="comment">/* !< Date of next periodic release point (raw ticks). */</span>
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keyword">struct </span><a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched; <span class="comment">/* !< Sched structure to which the timer is</span>
<a name="l00298"></a>00298 <span class="comment"> attached. */</span>
<a name="l00299"></a>00299
<a name="l00300"></a>00300 void (*handler)(<span class="keyword">struct </span>xntimer *timer); <span class="comment">/* !< Timeout handler. */</span>
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_STATS</span>
<a name="l00303"></a>00303 <span class="preprocessor"></span> <span class="keywordtype">char</span> name[XNOBJECT_NAME_LEN]; <span class="comment">/* !< Timer name to be displayed. */</span>
<a name="l00304"></a>00304
<a name="l00305"></a>00305 <span class="keyword">const</span> <span class="keywordtype">char</span> *handler_name; <span class="comment">/* !< Handler name to be displayed. */</span>
<a name="l00306"></a>00306
<a name="l00307"></a>00307 xnholder_t tblink; <span class="comment">/* !< Timer holder in timebase. */</span>
<a name="l00308"></a>00308
<a name="l00309"></a>00309 <span class="preprocessor">#define tblink2timer(ln) container_of(ln, xntimer_t, tblink)</span>
<a name="l00310"></a>00310 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_STATS */</span>
<a name="l00311"></a>00311
<a name="l00312"></a>00312 xnstat_counter_t scheduled; <span class="comment">/* !< Number of timer schedules. */</span>
<a name="l00313"></a>00313
<a name="l00314"></a>00314 xnstat_counter_t fired; <span class="comment">/* !< Number of timer events. */</span>
<a name="l00315"></a>00315
<a name="l00316"></a>00316 XNARCH_DECL_DISPLAY_CONTEXT();
<a name="l00317"></a>00317
<a name="l00318"></a>00318 } xntimer_t;
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keyword">typedef</span> <span class="keyword">struct </span>xntimed_slave {
<a name="l00321"></a>00321
<a name="l00322"></a>00322 xntbase_t base; <span class="comment">/* !< Cascaded time base. */</span>
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="keyword">struct </span>percpu_cascade {
<a name="l00325"></a>00325 xntimer_t timer; <span class="comment">/* !< Cascading timer in master time base. */</span>
<a name="l00326"></a>00326 xnqueue_t wheel[XNTIMER_WHEELSIZE];
<a name="l00327"></a>00327 } cascade[XNARCH_NR_CPUS];
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="preprocessor">#define timer2slave(t) \</span>
<a name="l00330"></a>00330 <span class="preprocessor"> ((xntslave_t *)(((char *)t) - offsetof(xntslave_t, cascade[xnsched_cpu((t)->sched)].timer)))</span>
<a name="l00331"></a>00331 <span class="preprocessor"></span><span class="preprocessor">#define base2slave(b) \</span>
<a name="l00332"></a>00332 <span class="preprocessor"> ((xntslave_t *)(((char *)b) - offsetof(xntslave_t, base)))</span>
<a name="l00333"></a>00333 <span class="preprocessor"></span>
<a name="l00334"></a>00334 } xntslave_t;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="preprocessor">#ifdef CONFIG_SMP</span>
<a name="l00337"></a>00337 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_sched(t) ((t)->sched)</span>
<a name="l00338"></a>00338 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_SMP */</span>
<a name="l00339"></a>00339 <span class="preprocessor">#define xntimer_sched(t) xnpod_current_sched()</span>
<a name="l00340"></a>00340 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_SMP */</span>
<a name="l00341"></a>00341 <span class="preprocessor">#define xntimer_interval(t) ((t)->interval)</span>
<a name="l00342"></a>00342 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_pexpect(t) ((t)->pexpect)</span>
<a name="l00343"></a>00343 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_pexpect_forward(t,delta) ((t)->pexpect += delta)</span>
<a name="l00344"></a>00344 <span class="preprocessor"></span>
<a name="l00345"></a>00345 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_TIMING_PERIODIC</span>
<a name="l00346"></a>00346 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_base(t) ((t)->base)</span>
<a name="l00347"></a>00347 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_set_priority(t,p) \</span>
<a name="l00348"></a>00348 <span class="preprocessor"> ({ \</span>
<a name="l00349"></a>00349 <span class="preprocessor"> xntimer_t *_t = (t); \</span>
<a name="l00350"></a>00350 <span class="preprocessor"> unsigned prio = (p); \</span>
<a name="l00351"></a>00351 <span class="preprocessor"> xntimerh_prio(&(_t)->aplink) = prio; \</span>
<a name="l00352"></a>00352 <span class="preprocessor"> xntlholder_prio(&(_t)->plink) = prio; \</span>
<a name="l00353"></a>00353 <span class="preprocessor"> })</span>
<a name="l00354"></a>00354 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_TIMING_PERIODIC */</span>
<a name="l00355"></a>00355 <span class="preprocessor">#define xntimer_base(t) (&nktbase)</span>
<a name="l00356"></a>00356 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_set_priority(t,p) \</span>
<a name="l00357"></a>00357 <span class="preprocessor"> do { xntimerh_prio(&(t)->aplink) = (p); } while(0)</span>
<a name="l00358"></a>00358 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_XENO_OPT_TIMING_PERIODIC */</span>
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xntimer_active_p (xntimer_t *timer)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <span class="keywordflow">return</span> timer->sched != NULL;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xntimer_running_p(xntimer_t *timer)
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 <span class="keywordflow">return</span> !testbits(timer->status,XNTIMER_DEQUEUED);
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> xntimer_reload_p(xntimer_t *timer)
<a name="l00371"></a>00371 {
<a name="l00372"></a>00372 <span class="keywordflow">return</span> testbits(timer->status,
<a name="l00373"></a>00373 XNTIMER_PERIODIC|XNTIMER_DEQUEUED|XNTIMER_KILLED) ==
<a name="l00374"></a>00374 (XNTIMER_PERIODIC|XNTIMER_DEQUEUED);
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00378"></a>00378 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00379"></a>00379 <span class="preprocessor">#endif</span>
<a name="l00380"></a>00380 <span class="preprocessor"></span>
<a name="l00381"></a>00381 <span class="keyword">extern</span> xntbops_t nktimer_ops_aperiodic,
<a name="l00382"></a>00382 nktimer_ops_periodic;
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_STATS</span>
<a name="l00385"></a>00385 <span class="preprocessor"></span><span class="preprocessor">#define xntimer_init(timer, base, handler) \</span>
<a name="l00386"></a>00386 <span class="preprocessor"> do { \</span>
<a name="l00387"></a>00387 <span class="preprocessor"> __xntimer_init(timer, base, handler); \</span>
<a name="l00388"></a>00388 <span class="preprocessor"> (timer)->handler_name = #handler; \</span>
<a name="l00389"></a>00389 <span class="preprocessor"> } while (0)</span>
<a name="l00390"></a>00390 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_STATS */</span>
<a name="l00391"></a>00391 <span class="preprocessor">#define xntimer_init __xntimer_init</span>
<a name="l00392"></a>00392 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !CONFIG_XENO_OPT_STATS */</span>
<a name="l00393"></a>00393
<a name="l00394"></a>00394 <span class="preprocessor">#define xntimer_init_noblock(timer, base, handler) \</span>
<a name="l00395"></a>00395 <span class="preprocessor"> do { \</span>
<a name="l00396"></a>00396 <span class="preprocessor"> xntimer_init(timer, base, handler); \</span>
<a name="l00397"></a>00397 <span class="preprocessor"> (timer)->status |= XNTIMER_NOBLCK; \</span>
<a name="l00398"></a>00398 <span class="preprocessor"> } while(0)</span>
<a name="l00399"></a>00399 <span class="preprocessor"></span>
<a name="l00400"></a>00400 <span class="keywordtype">void</span> __xntimer_init(<span class="keyword">struct</span> xntimer *timer,
<a name="l00401"></a>00401 <span class="keyword">struct</span> xntbase *base,
<a name="l00402"></a>00402 <span class="keywordtype">void</span> (*handler)(<span class="keyword">struct</span> xntimer *timer));
<a name="l00403"></a>00403
<a name="l00404"></a>00404 <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g782e10b2cd24a5c303b316375940ca15" title="Release a timer object.">xntimer_destroy</a>(xntimer_t *timer);
<a name="l00405"></a>00405
<a name="l00406"></a>00406 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> xntimer_set_name(xntimer_t *timer, <span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="preprocessor">#ifdef CONFIG_XENO_OPT_STATS</span>
<a name="l00409"></a>00409 <span class="preprocessor"></span> strncpy(timer->name, name, <span class="keyword">sizeof</span>(timer->name));
<a name="l00410"></a>00410 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_STATS */</span>
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordtype">void</span> xntimer_next_local_shot(<span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
<a name="l00414"></a>00414
<a name="l00419"></a>00419 <span class="preprocessor">#if defined(CONFIG_XENO_OPT_TIMING_PERIODIC) || defined(DOXYGEN_CPP)</span>
<a name="l00420"></a>00420 <span class="preprocessor"></span>
<a name="l00473"></a><a class="code" href="group__timer.html#g0ad3c70bed7fe1a45b45ee0875f031ab">00473</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="group__timer.html#g0ad3c70bed7fe1a45b45ee0875f031ab" title="Arm a timer.">xntimer_start</a>(xntimer_t *timer,
<a name="l00474"></a>00474 xnticks_t value, xnticks_t interval,
<a name="l00475"></a>00475 xntmode_t mode)
<a name="l00476"></a>00476 {
<a name="l00477"></a>00477 <span class="keywordflow">return</span> timer->base->ops->start_timer(timer, value, interval, mode);
<a name="l00478"></a>00478 }
<a name="l00479"></a>00479
<a name="l00505"></a><a class="code" href="group__timer.html#g1244411df9784d63d3e2f99016d62643">00505</a> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g1244411df9784d63d3e2f99016d62643" title="Disarm a timer.">xntimer_stop</a>(xntimer_t *timer)
<a name="l00506"></a>00506 {
<a name="l00507"></a>00507 <span class="comment">/* Careful: the do_timer_stop() helper is expected to preserve</span>
<a name="l00508"></a>00508 <span class="comment"> the date field of the stopped timer, so that subsequent</span>
<a name="l00509"></a>00509 <span class="comment"> calls to xntimer_get_timeout() would still work on such</span>
<a name="l00510"></a>00510 <span class="comment"> timer as expected. */</span>
<a name="l00511"></a>00511 <span class="keywordflow">if</span> (!testbits(timer->status,XNTIMER_DEQUEUED))
<a name="l00512"></a>00512 timer->base->ops->stop_timer(timer);
<a name="l00513"></a>00513 }
<a name="l00514"></a>00514
<a name="l00547"></a><a class="code" href="group__timer.html#ge87b875cf9f6831afffcfee8dabd67a8">00547</a> <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#ge87b875cf9f6831afffcfee8dabd67a8" title="Return the absolute expiration date.">xntimer_get_date</a>(xntimer_t *timer)
<a name="l00548"></a>00548 {
<a name="l00549"></a>00549 <span class="keywordflow">if</span> (!xntimer_running_p(timer))
<a name="l00550"></a>00550 <span class="keywordflow">return</span> XN_INFINITE;
<a name="l00551"></a>00551
<a name="l00552"></a>00552 <span class="keywordflow">return</span> timer->base->ops->get_timer_date(timer);
<a name="l00553"></a>00553 }
<a name="l00554"></a>00554
<a name="l00589"></a><a class="code" href="group__timer.html#g00d603a038b09e436717b84975b00abf">00589</a> <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#g00d603a038b09e436717b84975b00abf" title="Return the relative expiration date.">xntimer_get_timeout</a>(xntimer_t *timer)
<a name="l00590"></a>00590 {
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (!xntimer_running_p(timer))
<a name="l00592"></a>00592 <span class="keywordflow">return</span> XN_INFINITE;
<a name="l00593"></a>00593
<a name="l00594"></a>00594 <span class="keywordflow">return</span> timer->base->ops->get_timer_timeout(timer);
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t xntimer_get_timeout_stopped(xntimer_t *timer)
<a name="l00598"></a>00598 {
<a name="l00599"></a>00599 <span class="keywordflow">return</span> timer->base->ops->get_timer_timeout(timer);
<a name="l00600"></a>00600 }
<a name="l00601"></a>00601
<a name="l00633"></a><a class="code" href="group__timer.html#gb0d00a02bf04fdd48987d5d4efa68190">00633</a> <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#gb0d00a02bf04fdd48987d5d4efa68190" title="Return the timer interval value.">xntimer_get_interval</a>(xntimer_t *timer)
<a name="l00634"></a>00634 {
<a name="l00635"></a>00635 <span class="keywordflow">return</span> timer->base->ops->get_timer_interval(timer);
<a name="l00636"></a>00636 }
<a name="l00637"></a>00637
<a name="l00638"></a>00638 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t xntimer_get_raw_expiry (xntimer_t *timer)
<a name="l00639"></a>00639 {
<a name="l00640"></a>00640 <span class="keywordflow">return</span> timer->base->ops->get_timer_raw_expiry(timer);
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <span class="keywordtype">void</span> xntslave_init(xntslave_t *slave);
<a name="l00644"></a>00644
<a name="l00645"></a>00645 <span class="keywordtype">void</span> xntslave_destroy(xntslave_t *slave);
<a name="l00646"></a>00646
<a name="l00647"></a>00647 <span class="keywordtype">void</span> xntslave_update(xntslave_t *slave,
<a name="l00648"></a>00648 xnticks_t interval);
<a name="l00649"></a>00649
<a name="l00650"></a>00650 <span class="keywordtype">void</span> xntslave_start(xntslave_t *slave,
<a name="l00651"></a>00651 xnticks_t start,
<a name="l00652"></a>00652 xnticks_t interval);
<a name="l00653"></a>00653
<a name="l00654"></a>00654 <span class="keywordtype">void</span> xntslave_stop(xntslave_t *slave);
<a name="l00655"></a>00655
<a name="l00656"></a>00656 <span class="keywordtype">void</span> xntslave_adjust(xntslave_t *slave, xnsticks_t delta);
<a name="l00657"></a>00657
<a name="l00658"></a>00658 <span class="preprocessor">#else </span><span class="comment">/* !CONFIG_XENO_OPT_TIMING_PERIODIC */</span>
<a name="l00659"></a>00659
<a name="l00660"></a>00660 <span class="keywordtype">int</span> xntimer_start_aperiodic(xntimer_t *timer,
<a name="l00661"></a>00661 xnticks_t value,
<a name="l00662"></a>00662 xnticks_t interval,
<a name="l00663"></a>00663 xntmode_t mode);
<a name="l00664"></a>00664
<a name="l00665"></a>00665 <span class="keywordtype">void</span> xntimer_stop_aperiodic(xntimer_t *timer);
<a name="l00666"></a>00666
<a name="l00667"></a>00667 xnticks_t xntimer_get_date_aperiodic(xntimer_t *timer);
<a name="l00668"></a>00668
<a name="l00669"></a>00669 xnticks_t xntimer_get_timeout_aperiodic(xntimer_t *timer);
<a name="l00670"></a>00670
<a name="l00671"></a>00671 xnticks_t xntimer_get_interval_aperiodic(xntimer_t *timer);
<a name="l00672"></a>00672
<a name="l00673"></a>00673 xnticks_t xntimer_get_raw_expiry_aperiodic(xntimer_t *timer);
<a name="l00674"></a>00674
<a name="l00675"></a>00675 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="group__timer.html#g0ad3c70bed7fe1a45b45ee0875f031ab" title="Arm a timer.">xntimer_start</a>(xntimer_t *timer,
<a name="l00676"></a>00676 xnticks_t value, xnticks_t interval,
<a name="l00677"></a>00677 xntmode_t mode)
<a name="l00678"></a>00678 {
<a name="l00679"></a>00679 <span class="keywordflow">return</span> xntimer_start_aperiodic(timer, value, interval, mode);
<a name="l00680"></a>00680 }
<a name="l00681"></a>00681
<a name="l00682"></a>00682 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g1244411df9784d63d3e2f99016d62643" title="Disarm a timer.">xntimer_stop</a>(xntimer_t *timer)
<a name="l00683"></a>00683 {
<a name="l00684"></a>00684 <span class="keywordflow">if</span> (!testbits(timer->status,XNTIMER_DEQUEUED))
<a name="l00685"></a>00685 xntimer_stop_aperiodic(timer);
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a>00688 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#ge87b875cf9f6831afffcfee8dabd67a8" title="Return the absolute expiration date.">xntimer_get_date</a>(xntimer_t *timer)
<a name="l00689"></a>00689 {
<a name="l00690"></a>00690 <span class="keywordflow">if</span> (!xntimer_running_p(timer))
<a name="l00691"></a>00691 <span class="keywordflow">return</span> XN_INFINITE;
<a name="l00692"></a>00692
<a name="l00693"></a>00693 <span class="keywordflow">return</span> xntimer_get_date_aperiodic(timer);
<a name="l00694"></a>00694 }
<a name="l00695"></a>00695
<a name="l00696"></a>00696 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#g00d603a038b09e436717b84975b00abf" title="Return the relative expiration date.">xntimer_get_timeout</a>(xntimer_t *timer)
<a name="l00697"></a>00697 {
<a name="l00698"></a>00698 <span class="keywordflow">if</span> (!xntimer_running_p(timer))
<a name="l00699"></a>00699 <span class="keywordflow">return</span> XN_INFINITE;
<a name="l00700"></a>00700
<a name="l00701"></a>00701 <span class="keywordflow">return</span> xntimer_get_timeout_aperiodic(timer);
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703
<a name="l00704"></a>00704 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t xntimer_get_timeout_stopped(xntimer_t *timer)
<a name="l00705"></a>00705 {
<a name="l00706"></a>00706 <span class="keywordflow">return</span> xntimer_get_timeout_aperiodic(timer);
<a name="l00707"></a>00707 }
<a name="l00708"></a>00708
<a name="l00709"></a>00709 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t <a class="code" href="group__timer.html#gb0d00a02bf04fdd48987d5d4efa68190" title="Return the timer interval value.">xntimer_get_interval</a>(xntimer_t *timer)
<a name="l00710"></a>00710 {
<a name="l00711"></a>00711 <span class="keywordflow">return</span> xntimer_get_interval_aperiodic(timer);
<a name="l00712"></a>00712 }
<a name="l00713"></a>00713
<a name="l00714"></a>00714 <span class="keyword">static</span> <span class="keyword">inline</span> xnticks_t xntimer_get_raw_expiry (xntimer_t *timer)
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 <span class="keywordflow">return</span> xntimerh_date(&timer->aplink);
<a name="l00717"></a>00717 }
<a name="l00718"></a>00718
<a name="l00719"></a>00719 <span class="preprocessor">#endif </span><span class="comment">/* CONFIG_XENO_OPT_TIMING_PERIODIC */</span>
<a name="l00720"></a>00720
<a name="l00723"></a>00723 <span class="keywordtype">void</span> xntimer_init_proc(<span class="keywordtype">void</span>);
<a name="l00724"></a>00724
<a name="l00725"></a>00725 <span class="keywordtype">void</span> xntimer_cleanup_proc(<span class="keywordtype">void</span>);
<a name="l00726"></a>00726
<a name="l00727"></a>00727 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="group__timer.html#g5609dd2602efe2c5b04eda28b22b9720" title="Get the count of overruns for the last tick.">xntimer_get_overruns</a>(xntimer_t *timer, xnticks_t now);
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g5cad677279089ef19d3710b1b6452a71" title="Freeze all timers (from every time bases).">xntimer_freeze</a>(<span class="keywordtype">void</span>);
<a name="l00730"></a>00730
<a name="l00731"></a>00731 <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g26727f15ac845719913dcb703bf0c3fa" title="Process a timer tick for the aperiodic master time base.">xntimer_tick_aperiodic</a>(<span class="keywordtype">void</span>);
<a name="l00732"></a>00732
<a name="l00733"></a>00733 <span class="keywordtype">void</span> <a class="code" href="group__timer.html#g9b5391e752a8e16d89fb6a99c76bb7b1" title="Process a timer tick for a slave periodic time base.">xntimer_tick_periodic</a>(xntimer_t *timer);
<a name="l00734"></a>00734
<a name="l00735"></a>00735 <span class="keywordtype">void</span> xntimer_tick_periodic_inner(xntslave_t *slave);
<a name="l00736"></a>00736
<a name="l00737"></a>00737 <span class="keywordtype">void</span> xntimer_adjust_all_aperiodic(xnsticks_t delta);
<a name="l00738"></a>00738
<a name="l00739"></a>00739 <span class="preprocessor">#ifdef CONFIG_SMP</span>
<a name="l00740"></a>00740 <span class="preprocessor"></span><span class="keywordtype">int</span> xntimer_migrate(xntimer_t *timer,
<a name="l00741"></a>00741 <span class="keyword">struct</span> <a class="code" href="structxnsched.html" title="Scheduling information structure.">xnsched</a> *sched);
<a name="l00742"></a>00742 <span class="preprocessor">#else </span><span class="comment">/* ! CONFIG_SMP */</span>
<a name="l00743"></a>00743 <span class="preprocessor">#define xntimer_migrate(timer, sched) do { } while(0)</span>
<a name="l00744"></a>00744 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* CONFIG_SMP */</span>
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="preprocessor">#define xntimer_set_sched(timer, sched) xntimer_migrate(timer, sched)</span>
<a name="l00747"></a>00747 <span class="preprocessor"></span>
<a name="l00748"></a>00748 <span class="keywordtype">char</span> *xntimer_format_time(xnticks_t value, <span class="keywordtype">int</span> periodic,
<a name="l00749"></a>00749 <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> bufsz);
<a name="l00750"></a>00750 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00751"></a>00751 <span class="preprocessor"></span>}
<a name="l00752"></a>00752 <span class="preprocessor">#endif</span>
<a name="l00753"></a>00753 <span class="preprocessor"></span>
<a name="l00754"></a>00754 <span class="preprocessor">#endif </span><span class="comment">/* __KERNEL__ || __XENO_SIM__ */</span>
<a name="l00755"></a>00755
<a name="l00756"></a>00756 <span class="preprocessor">#endif </span><span class="comment">/* !_XENO_NUCLEUS_TIMER_H */</span>
</pre></div></div>
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