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960 | struct ev_periodic *w = periodics [0]; |
960 | struct ev_periodic *w = periodics [0]; |
961 | |
961 | |
962 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
962 | assert (("inactive timer on periodic heap detected", ev_is_active (w))); |
963 | |
963 | |
964 | /* first reschedule or stop timer */ |
964 | /* first reschedule or stop timer */ |
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|
965 | if (w->reschedule_cb) |
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|
966 | { |
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|
967 | ev_tstamp at = ((WT)w)->at = w->reschedule_cb (w, rt_now + 0.0001); |
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|
968 | |
|
|
969 | assert (("ev_periodic reschedule callback returned time in the past", ((WT)w)->at > rt_now)); |
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970 | downheap ((WT *)periodics, periodiccnt, 0); |
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|
971 | } |
965 | if (w->interval) |
972 | else if (w->interval) |
966 | { |
973 | { |
967 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
974 | ((WT)w)->at += floor ((rt_now - ((WT)w)->at) / w->interval + 1.) * w->interval; |
968 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
975 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", ((WT)w)->at > rt_now)); |
969 | downheap ((WT *)periodics, periodiccnt, 0); |
976 | downheap ((WT *)periodics, periodiccnt, 0); |
970 | } |
977 | } |
… | |
… | |
983 | /* adjust periodics after time jump */ |
990 | /* adjust periodics after time jump */ |
984 | for (i = 0; i < periodiccnt; ++i) |
991 | for (i = 0; i < periodiccnt; ++i) |
985 | { |
992 | { |
986 | struct ev_periodic *w = periodics [i]; |
993 | struct ev_periodic *w = periodics [i]; |
987 | |
994 | |
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|
995 | if (w->reschedule_cb) |
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|
996 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
988 | if (w->interval) |
997 | else if (w->interval) |
989 | { |
|
|
990 | ev_tstamp diff = ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
998 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
991 | |
|
|
992 | if (fabs (diff) >= 1e-4) |
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|
993 | { |
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994 | ev_periodic_stop (EV_A_ w); |
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995 | ev_periodic_start (EV_A_ w); |
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996 | |
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|
997 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
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998 | } |
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|
999 | } |
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|
1000 | } |
999 | } |
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|
1000 | |
|
|
1001 | /* now rebuild the heap */ |
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|
1002 | for (i = periodiccnt >> 1; i--; ) |
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1003 | downheap ((WT *)periodics, periodiccnt, i); |
1001 | } |
1004 | } |
1002 | |
1005 | |
1003 | inline int |
1006 | inline int |
1004 | time_update_monotonic (EV_P) |
1007 | time_update_monotonic (EV_P) |
1005 | { |
1008 | { |
… | |
… | |
1309 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1312 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
1310 | { |
1313 | { |
1311 | if (ev_is_active (w)) |
1314 | if (ev_is_active (w)) |
1312 | return; |
1315 | return; |
1313 | |
1316 | |
|
|
1317 | if (w->reschedule_cb) |
|
|
1318 | ((WT)w)->at = w->reschedule_cb (w, rt_now); |
|
|
1319 | else if (w->interval) |
|
|
1320 | { |
1314 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1321 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
1315 | |
|
|
1316 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1322 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1317 | if (w->interval) |
|
|
1318 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
1323 | ((WT)w)->at += ceil ((rt_now - ((WT)w)->at) / w->interval) * w->interval; |
|
|
1324 | } |
1319 | |
1325 | |
1320 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1326 | ev_start (EV_A_ (W)w, ++periodiccnt); |
1321 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1327 | array_needsize (struct ev_periodic *, periodics, periodicmax, periodiccnt, (void)); |
1322 | periodics [periodiccnt - 1] = w; |
1328 | periodics [periodiccnt - 1] = w; |
1323 | upheap ((WT *)periodics, periodiccnt - 1); |
1329 | upheap ((WT *)periodics, periodiccnt - 1); |
… | |
… | |
1339 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1345 | periodics [((W)w)->active - 1] = periodics [periodiccnt]; |
1340 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1346 | downheap ((WT *)periodics, periodiccnt, ((W)w)->active - 1); |
1341 | } |
1347 | } |
1342 | |
1348 | |
1343 | ev_stop (EV_A_ (W)w); |
1349 | ev_stop (EV_A_ (W)w); |
|
|
1350 | } |
|
|
1351 | |
|
|
1352 | void |
|
|
1353 | ev_periodic_again (EV_P_ struct ev_periodic *w) |
|
|
1354 | { |
|
|
1355 | ev_periodic_stop (EV_A_ w); |
|
|
1356 | ev_periodic_start (EV_A_ w); |
1344 | } |
1357 | } |
1345 | |
1358 | |
1346 | void |
1359 | void |
1347 | ev_idle_start (EV_P_ struct ev_idle *w) |
1360 | ev_idle_start (EV_P_ struct ev_idle *w) |
1348 | { |
1361 | { |