xpcom/threads/TimerThread.h@6474c204b198 (annotated)
xpcom/threads/TimerThread.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef TimerThread_h___ |
| michael@0 | 7 | #define TimerThread_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsIObserver.h" |
| michael@0 | 10 | #include "nsIRunnable.h" |
| michael@0 | 11 | #include "nsIThread.h" |
| michael@0 | 12 | |
| michael@0 | 13 | #include "nsTimerImpl.h" |
| michael@0 | 14 | #include "nsThreadUtils.h" |
| michael@0 | 15 | |
| michael@0 | 16 | #include "nsTArray.h" |
| michael@0 | 17 | |
| michael@0 | 18 | #include "mozilla/Atomics.h" |
| michael@0 | 19 | #include "mozilla/Attributes.h" |
| michael@0 | 20 | #include "mozilla/Monitor.h" |
| michael@0 | 21 | |
| michael@0 | 22 | namespace mozilla { |
| michael@0 | 23 | class TimeStamp; |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | class TimerThread MOZ_FINAL : public nsIRunnable, |
| michael@0 | 27 | public nsIObserver |
| michael@0 | 28 | { |
| michael@0 | 29 | public: |
| michael@0 | 30 | typedef mozilla::Monitor Monitor; |
| michael@0 | 31 | typedef mozilla::TimeStamp TimeStamp; |
| michael@0 | 32 | typedef mozilla::TimeDuration TimeDuration; |
| michael@0 | 33 | |
| michael@0 | 34 | TimerThread(); |
| michael@0 | 35 | NS_HIDDEN_(nsresult) InitLocks(); |
| michael@0 | 36 | |
| michael@0 | 37 | NS_DECL_THREADSAFE_ISUPPORTS |
| michael@0 | 38 | NS_DECL_NSIRUNNABLE |
| michael@0 | 39 | NS_DECL_NSIOBSERVER |
| michael@0 | 40 | |
| michael@0 | 41 | NS_HIDDEN_(nsresult) Init(); |
| michael@0 | 42 | NS_HIDDEN_(nsresult) Shutdown(); |
| michael@0 | 43 | |
| michael@0 | 44 | nsresult AddTimer(nsTimerImpl *aTimer); |
| michael@0 | 45 | nsresult TimerDelayChanged(nsTimerImpl *aTimer); |
| michael@0 | 46 | nsresult RemoveTimer(nsTimerImpl *aTimer); |
| michael@0 | 47 | |
| michael@0 | 48 | void DoBeforeSleep(); |
| michael@0 | 49 | void DoAfterSleep(); |
| michael@0 | 50 | |
| michael@0 | 51 | bool IsOnTimerThread() const |
| michael@0 | 52 | { |
| michael@0 | 53 | return mThread == NS_GetCurrentThread(); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | private: |
| michael@0 | 57 | ~TimerThread(); |
| michael@0 | 58 | |
| michael@0 | 59 | mozilla::Atomic<bool> mInitInProgress; |
| michael@0 | 60 | bool mInitialized; |
| michael@0 | 61 | |
| michael@0 | 62 | // These two internal helper methods must be called while mLock is held. |
| michael@0 | 63 | // AddTimerInternal returns the position where the timer was added in the |
| michael@0 | 64 | // list, or -1 if it failed. |
| michael@0 | 65 | int32_t AddTimerInternal(nsTimerImpl *aTimer); |
| michael@0 | 66 | bool RemoveTimerInternal(nsTimerImpl *aTimer); |
| michael@0 | 67 | void ReleaseTimerInternal(nsTimerImpl *aTimer); |
| michael@0 | 68 | |
| michael@0 | 69 | nsCOMPtr<nsIThread> mThread; |
| michael@0 | 70 | Monitor mMonitor; |
| michael@0 | 71 | |
| michael@0 | 72 | bool mShutdown; |
| michael@0 | 73 | bool mWaiting; |
| michael@0 | 74 | bool mNotified; |
| michael@0 | 75 | bool mSleeping; |
| michael@0 | 76 | |
| michael@0 | 77 | nsTArray<nsTimerImpl*> mTimers; |
| michael@0 | 78 | }; |
| michael@0 | 79 | |
| michael@0 | 80 | struct TimerAdditionComparator { |
| michael@0 | 81 | TimerAdditionComparator(const mozilla::TimeStamp &aNow, |
| michael@0 | 82 | nsTimerImpl *aTimerToInsert) : |
| michael@0 | 83 | now(aNow) |
| michael@0 | 84 | #ifdef DEBUG |
| michael@0 | 85 | , timerToInsert(aTimerToInsert) |
| michael@0 | 86 | #endif |
| michael@0 | 87 | {} |
| michael@0 | 88 | |
| michael@0 | 89 | bool LessThan(nsTimerImpl *fromArray, nsTimerImpl *newTimer) const { |
| michael@0 | 90 | NS_ABORT_IF_FALSE(newTimer == timerToInsert, "Unexpected timer ordering"); |
| michael@0 | 91 | |
| michael@0 | 92 | // Skip any overdue timers. |
| michael@0 | 93 | return fromArray->mTimeout <= now || |
| michael@0 | 94 | fromArray->mTimeout <= newTimer->mTimeout; |
| michael@0 | 95 | } |
| michael@0 | 96 | |
| michael@0 | 97 | bool Equals(nsTimerImpl* fromArray, nsTimerImpl* newTimer) const { |
| michael@0 | 98 | return false; |
| michael@0 | 99 | } |
| michael@0 | 100 | |
| michael@0 | 101 | private: |
| michael@0 | 102 | const mozilla::TimeStamp &now; |
| michael@0 | 103 | #ifdef DEBUG |
| michael@0 | 104 | const nsTimerImpl * const timerToInsert; |
| michael@0 | 105 | #endif |
| michael@0 | 106 | }; |
| michael@0 | 107 | |
| michael@0 | 108 | #endif /* TimerThread_h___ */ |
