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1
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static struct pe_watcher_vtbl pe_idle_vtbl; |
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2
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static pe_ring Idle; |
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3
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4
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/*#define D_IDLE(x) x /**/ |
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5
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#define D_IDLE(x) /**/ |
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6
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7
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13
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static pe_watcher *pe_idle_allocate(HV *stash, SV *temple) { |
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8
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pe_idle *ev; |
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9
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13
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EvNew(3, ev, 1, pe_idle); |
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10
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13
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ev->base.vtbl = &pe_idle_vtbl; |
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11
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13
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pe_watcher_init(&ev->base, stash, temple); |
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12
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13
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PE_RING_INIT(&ev->tm.ring, ev); |
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13
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13
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PE_RING_INIT(&ev->iring, ev); |
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14
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13
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ev->max_interval = &PL_sv_undef; |
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15
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13
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ev->min_interval = newSVnv(.01); |
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16
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13
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return (pe_watcher*) ev; |
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17
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} |
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18
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19
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13
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static void pe_idle_dtor(pe_watcher *ev) { |
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20
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13
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pe_idle *ip = (pe_idle*) ev; |
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21
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13
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SvREFCNT_dec(ip->max_interval); |
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22
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13
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SvREFCNT_dec(ip->min_interval); |
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23
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13
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pe_watcher_dtor(ev); |
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24
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13
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EvFree(3, ev); |
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25
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13
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} |
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26
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27
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21
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static char *pe_idle_start(pe_watcher *ev, int repeating) { |
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28
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NV now; |
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29
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NV min,max; |
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30
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21
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pe_idle *ip = (pe_idle*) ev; |
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31
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21
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50
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if (!ev->callback) |
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32
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0
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return "without callback"; |
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33
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21
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100
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if (!repeating) ev->cbtime = NVtime(); |
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34
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21
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50
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now = WaHARD(ev)? ev->cbtime : NVtime(); |
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35
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21
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50
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if (sv_2interval("min", ip->min_interval, &min)) { |
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36
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21
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ip->tm.at = min + now; |
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37
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21
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pe_timeable_start(&ip->tm); |
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38
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D_IDLE(warn("min %.2f setup '%s'\n", min, SvPV(ev->desc,na))); |
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39
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} |
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40
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else { |
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41
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0
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PE_RING_UNSHIFT(&ip->iring, &Idle); |
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42
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D_IDLE(warn("idle '%s'\n", SvPV(ev->desc,na))); |
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43
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0
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0
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if (sv_2interval("max", ip->max_interval, &max)) { |
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44
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D_IDLE(warn("max %.2f setup '%s'\n", max, SvPV(ev->desc,na))); |
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45
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0
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ip->tm.at = max + now; |
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46
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0
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pe_timeable_start(&ip->tm); |
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47
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} |
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48
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} |
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49
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21
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return 0; |
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50
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} |
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51
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52
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18
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static void pe_idle_alarm(pe_watcher *wa, pe_timeable *_ignore) { |
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53
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18
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NV now = NVtime(); |
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54
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NV min,max,left; |
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55
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18
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pe_idle *ip = (pe_idle*) wa; |
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56
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18
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pe_timeable_stop(&ip->tm); |
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57
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18
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50
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if (sv_2interval("min", ip->min_interval, &min)) { |
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58
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18
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left = wa->cbtime + min - now; |
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59
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18
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100
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if (left > IntervalEpsilon) { |
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60
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2
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++TimeoutTooEarly; |
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61
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2
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ip->tm.at = now + left; |
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62
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2
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pe_timeable_start(&ip->tm); |
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63
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D_IDLE(warn("min %.2f '%s'\n", left, SvPV(wa->desc,na))); |
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64
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2
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return; |
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65
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} |
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66
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} |
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67
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16
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50
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if (PE_RING_EMPTY(&ip->iring)) { |
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68
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16
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PE_RING_UNSHIFT(&ip->iring, &Idle); |
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69
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D_IDLE(warn("idle '%s'\n", SvPV(wa->desc,na))); |
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70
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} |
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71
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16
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50
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if (sv_2interval("max", ip->max_interval, &max)) { |
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72
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0
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left = wa->cbtime + max - now; |
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73
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0
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0
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if (left < IntervalEpsilon) { |
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74
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pe_event *ev; |
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75
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D_IDLE(warn("max '%s'\n", SvPV(wa->desc,na))); |
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76
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0
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0
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PE_RING_DETACH(&ip->iring); |
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77
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0
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ev = (*wa->vtbl->new_event)(wa); |
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78
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0
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++ev->hits; |
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79
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0
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queueEvent(ev); |
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80
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0
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return; |
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81
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} |
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82
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else { |
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83
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0
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++TimeoutTooEarly; |
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84
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0
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ip->tm.at = now + left; |
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85
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D_IDLE(warn("max %.2f '%s'\n", left, SvPV(wa->desc,na))); |
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86
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16
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pe_timeable_start(&ip->tm); |
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87
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} |
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88
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} |
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89
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} |
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90
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91
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21
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static void pe_idle_stop(pe_watcher *ev) { |
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92
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21
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pe_idle *ip = (pe_idle*) ev; |
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93
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21
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100
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PE_RING_DETACH(&ip->iring); |
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94
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21
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pe_timeable_stop(&ip->tm); |
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95
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21
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} |
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96
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97
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1
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WKEYMETH(_idle_max_interval) { |
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98
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1
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pe_idle *ip = (pe_idle*) ev; |
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99
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1
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50
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if (nval) { |
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100
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0
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SV *old = ip->max_interval; |
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101
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0
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ip->max_interval = SvREFCNT_inc(nval); |
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102
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0
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0
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if (old) SvREFCNT_dec(old); |
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103
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0
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VERIFYINTERVAL("max", ip->max_interval); |
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104
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} |
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105
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{ |
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106
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1
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dSP; |
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107
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1
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50
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XPUSHs(ip->max_interval); |
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108
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1
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PUTBACK; |
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109
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} |
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110
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1
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} |
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111
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112
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1
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WKEYMETH(_idle_min_interval) { |
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113
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1
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pe_idle *ip = (pe_idle*) ev; |
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114
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1
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50
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if (nval) { |
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115
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0
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SV *old = ip->min_interval; |
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116
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0
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ip->min_interval = SvREFCNT_inc(nval); |
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117
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0
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0
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if (old) SvREFCNT_dec(old); |
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118
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0
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VERIFYINTERVAL("min", ip->min_interval); |
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119
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} |
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120
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{ |
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121
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1
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dSP; |
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122
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1
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50
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XPUSHs(ip->min_interval); |
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123
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1
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PUTBACK; |
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124
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} |
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125
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1
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} |
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126
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127
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24
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static void boot_idle() { |
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128
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24
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pe_watcher_vtbl *vt = &pe_idle_vtbl; |
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129
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24
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PE_RING_INIT(&Idle, 0); |
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130
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24
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memcpy(vt, &pe_watcher_base_vtbl, sizeof(pe_watcher_base_vtbl)); |
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131
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24
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vt->dtor = pe_idle_dtor; |
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132
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24
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vt->start = pe_idle_start; |
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133
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24
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vt->stop = pe_idle_stop; |
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134
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24
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vt->alarm = pe_idle_alarm; |
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135
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24
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pe_register_vtbl(vt, gv_stashpv("Event::idle",1), &event_vtbl); |
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136
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24
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} |