| 370 | } |
| 371 | |
| 372 | int GraphTask::Wait(exec_event_t& event, int try_wait) |
| 373 | { |
| 374 | WaitEvent* p_event = any_cast<WaitEvent*>(event); |
| 375 | |
| 376 | if(p_event != &wait_event_) |
| 377 | { |
| 378 | XLOG_ERROR() << "bad event pointer passed\n"; |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | std::unique_lock<std::mutex> lock(p_event->mutex); |
| 383 | |
| 384 | if(try_wait && !task_done_) |
| 385 | { |
| 386 | lock.unlock(); |
| 387 | return 0; |
| 388 | } |
| 389 | |
| 390 | p_event->wait_count++; |
| 391 | |
| 392 | if(!task_done_) |
| 393 | p_event->cond.wait(lock, [this] { return task_done_; }); |
| 394 | |
| 395 | lock.unlock(); |
| 396 | |
| 397 | p_event->wait_count.fetch_sub(1); |
| 398 | |
| 399 | return 1; |
| 400 | } |
| 401 | |
| 402 | void GraphTask::SignalGraphTaskDone(void) |
| 403 | { |