| 91 | } |
| 92 | |
| 93 | status_t WorkQueue::finish() { |
| 94 | { // acquire lock |
| 95 | AutoMutex _l(mLock); |
| 96 | |
| 97 | if (mFinished) { |
| 98 | return INVALID_OPERATION; |
| 99 | } |
| 100 | |
| 101 | mFinished = true; |
| 102 | mWorkChangedCondition.broadcast(); |
| 103 | } // release lock |
| 104 | |
| 105 | // It is not possible for the list of work threads to change once the mFinished |
| 106 | // flag has been set, so we can access mWorkThreads outside of the lock here. |
| 107 | size_t count = mWorkThreads.size(); |
| 108 | for (size_t i = 0; i < count; i++) { |
| 109 | mWorkThreads.itemAt(i)->join(); |
| 110 | } |
| 111 | mWorkThreads.clear(); |
| 112 | return OK; |
| 113 | } |
| 114 | |
| 115 | bool WorkQueue::threadLoop() { |
| 116 | WorkUnit* workUnit; |