sched_event.hh (13072:f2b83208ab54) sched_event.hh (13144:61e0f3230787)
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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26 *
27 * Authors: Gabe Black
28 */
29
30#ifndef __SYSTEMC_CORE_SCHED_EVENT_HH__
31#define __SYSTEMC_CORE_SCHED_EVENT_HH__
32
33#include <functional>
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

--- 17 unchanged lines hidden (view full) ---

26 *
27 * Authors: Gabe Black
28 */
29
30#ifndef __SYSTEMC_CORE_SCHED_EVENT_HH__
31#define __SYSTEMC_CORE_SCHED_EVENT_HH__
32
33#include <functional>
34#include <list>
34
35#include "base/types.hh"
36
37namespace sc_gem5
38{
39
35
36#include "base/types.hh"
37
38namespace sc_gem5
39{
40
41class ScEvent;
42
43typedef std::list<ScEvent *> ScEvents;
44
40class ScEvent
41{
42 private:
43 std::function<void()> work;
44 Tick _when;
45class ScEvent
46{
47 private:
48 std::function<void()> work;
49 Tick _when;
45 bool _scheduled;
50 ScEvents *_events;
51 ScEvents::iterator _it;
46
47 friend class Scheduler;
48
49 void
52
53 friend class Scheduler;
54
55 void
50 schedule(Tick w)
56 schedule(ScEvents &events, Tick w)
51 {
52 when(w);
57 {
58 when(w);
53 _scheduled = true;
59 assert(!scheduled());
60 _events = &events;
61 _events->push_back(this);
62 _it = _events->end();
63 _it--;
54 }
55
64 }
65
56 void deschedule() { _scheduled = false; }
66 void
67 deschedule()
68 {
69 assert(scheduled());
70 _events->erase(_it);
71 _events = nullptr;
72 }
57 public:
58 ScEvent(std::function<void()> work) :
73 public:
74 ScEvent(std::function<void()> work) :
59 work(work), _when(MaxTick), _scheduled(false)
75 work(work), _when(MaxTick), _events(nullptr)
60 {}
61
62 ~ScEvent();
63
76 {}
77
78 ~ScEvent();
79
64 bool scheduled() { return _scheduled; }
80 bool scheduled() { return _events != nullptr; }
81 ScEvents *scheduledOn() { return _events; }
65
66 void when(Tick w) { _when = w; }
67 Tick when() { return _when; }
68
69 void run() { deschedule(); work(); }
70};
71
72} // namespace sc_gem5
73
74#endif // __SYSTEMC_CORE_SCHED_EVENT_HH__
82
83 void when(Tick w) { _when = w; }
84 Tick when() { return _when; }
85
86 void run() { deschedule(); work(); }
87};
88
89} // namespace sc_gem5
90
91#endif // __SYSTEMC_CORE_SCHED_EVENT_HH__