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> |
35 36#include "base/types.hh" 37 38namespace sc_gem5 39{ 40 |
41class ScEvent; 42 43typedef std::list<ScEvent *> ScEvents; 44 |
45class ScEvent 46{ 47 private: 48 std::function<void()> work; 49 Tick _when; |
50 ScEvents *_events; 51 ScEvents::iterator _it; |
52 53 friend class Scheduler; 54 55 void |
56 schedule(ScEvents &events, Tick w) |
57 { 58 when(w); |
59 assert(!scheduled()); 60 _events = &events; 61 _events->push_back(this); 62 _it = _events->end(); 63 _it--; |
64 } 65 |
66 void 67 deschedule() 68 { 69 assert(scheduled()); 70 _events->erase(_it); 71 _events = nullptr; 72 } |
73 public: 74 ScEvent(std::function<void()> work) : |
75 work(work), _when(MaxTick), _events(nullptr) |
76 {} 77 78 ~ScEvent(); 79 |
80 bool scheduled() { return _events != nullptr; } 81 ScEvents *scheduledOn() { return _events; } |
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__ |