diff options
| -rwxr-xr-x | indra/llaudio/llaudiodecodemgr.cpp | 61 | ||||
| -rw-r--r-- | indra/llcommon/llqueuedthread.cpp | 2 | ||||
| -rw-r--r-- | indra/llcommon/workqueue.cpp | 23 | ||||
| -rw-r--r-- | indra/llcommon/workqueue.h | 135 | ||||
| -rw-r--r-- | indra/llimage/llimageworker.cpp | 28 | ||||
| -rw-r--r-- | indra/llrender/llimagegl.h | 2 | ||||
| -rw-r--r-- | indra/llwindow/llwindowwin32.cpp | 13 |
7 files changed, 105 insertions, 159 deletions
diff --git a/indra/llaudio/llaudiodecodemgr.cpp b/indra/llaudio/llaudiodecodemgr.cpp index 38a6b41afe..190c5290cb 100755 --- a/indra/llaudio/llaudiodecodemgr.cpp +++ b/indra/llaudio/llaudiodecodemgr.cpp @@ -607,40 +607,37 @@ void LLAudioDecodeMgr::Impl::startMoreDecodes() // Kick off a decode mDecodes[decode_id] = LLPointer<LLVorbisDecodeState>(NULL); - try - { - main_queue->postTo( - general_queue, - [decode_id]() // Work done on general queue - { - LLPointer<LLVorbisDecodeState> decode_state = beginDecodingAndWritingAudio(decode_id); - - if (!decode_state) - { - // Audio decode has errored - return decode_state; - } + bool posted = main_queue->postTo( + general_queue, + [decode_id]() // Work done on general queue + { + LLPointer<LLVorbisDecodeState> decode_state = beginDecodingAndWritingAudio(decode_id); - // Disk write of decoded audio is now in progress off-thread + if (!decode_state) + { + // Audio decode has errored return decode_state; - }, - [decode_id, this](LLPointer<LLVorbisDecodeState> decode_state) // Callback to main thread - mutable { - if (!gAudiop) - { - // There is no LLAudioEngine anymore. This might happen if - // an audio decode is enqueued just before shutdown. - return; - } - - // At this point, we can be certain that the pointer to "this" - // is valid because the lifetime of "this" is dependent upon - // the lifetime of gAudiop. - - enqueueFinishAudio(decode_id, decode_state); - }); - } - catch (const LLThreadSafeQueueInterrupt&) + } + + // Disk write of decoded audio is now in progress off-thread + return decode_state; + }, + [decode_id, this](LLPointer<LLVorbisDecodeState> decode_state) // Callback to main thread + mutable { + if (!gAudiop) + { + // There is no LLAudioEngine anymore. This might happen if + // an audio decode is enqueued just before shutdown. + return; + } + + // At this point, we can be certain that the pointer to "this" + // is valid because the lifetime of "this" is dependent upon + // the lifetime of gAudiop. + + enqueueFinishAudio(decode_id, decode_state); + }); + if (! posted) { // Shutdown // Consider making processQueue() do a cleanup instead diff --git a/indra/llcommon/llqueuedthread.cpp b/indra/llcommon/llqueuedthread.cpp index 9b1de2e9a5..7da7c1e026 100644 --- a/indra/llcommon/llqueuedthread.cpp +++ b/indra/llcommon/llqueuedthread.cpp @@ -146,7 +146,7 @@ S32 LLQueuedThread::updateQueue(F32 max_time_ms) // schedule a call to threadedUpdate for every call to updateQueue if (!isQuitting()) { - mRequestQueue.postIfOpen([=]() + mRequestQueue.post([=]() { LL_PROFILE_ZONE_NAMED_CATEGORY_THREAD("qt - update"); mIdleThread = FALSE; diff --git a/indra/llcommon/workqueue.cpp b/indra/llcommon/workqueue.cpp index 83e0216ae7..cf80ce0656 100644 --- a/indra/llcommon/workqueue.cpp +++ b/indra/llcommon/workqueue.cpp @@ -161,12 +161,7 @@ bool LL::WorkQueue::done() return mQueue.done(); } -void LL::WorkQueue::post(const Work& callable) -{ - mQueue.push(callable); -} - -bool LL::WorkQueue::postIfOpen(const Work& callable) +bool LL::WorkQueue::post(const Work& callable) { return mQueue.pushIfOpen(callable); } @@ -215,26 +210,16 @@ bool LL::WorkSchedule::done() return mQueue.done(); } -void LL::WorkSchedule::post(const Work& callable) +bool LL::WorkSchedule::post(const Work& callable) { // Use TimePoint::clock::now() instead of TimePoint's representation of // the epoch because this WorkSchedule may contain a mix of past-due // TimedWork items and TimedWork items scheduled for the future. Sift this // new item into the correct place. - post(callable, TimePoint::clock::now()); -} - -void LL::WorkSchedule::post(const Work& callable, const TimePoint& time) -{ - mQueue.push(TimedWork(time, callable)); -} - -bool LL::WorkSchedule::postIfOpen(const Work& callable) -{ - return postIfOpen(callable, TimePoint::clock::now()); + return post(callable, TimePoint::clock::now()); } -bool LL::WorkSchedule::postIfOpen(const Work& callable, const TimePoint& time) +bool LL::WorkSchedule::post(const Work& callable, const TimePoint& time) { return mQueue.pushIfOpen(TimedWork(time, callable)); } diff --git a/indra/llcommon/workqueue.h b/indra/llcommon/workqueue.h index 5b704e7198..ec0700a718 100644 --- a/indra/llcommon/workqueue.h +++ b/indra/llcommon/workqueue.h @@ -83,13 +83,10 @@ namespace LL /*---------------------- fire and forget API -----------------------*/ - /// fire-and-forget - virtual void post(const Work&) = 0; - /** * post work, unless the queue is closed before we can post */ - virtual bool postIfOpen(const Work&) = 0; + virtual bool post(const Work&) = 0; /** * post work, unless the queue is full @@ -247,13 +244,10 @@ namespace LL /*---------------------- fire and forget API -----------------------*/ - /// fire-and-forget - void post(const Work&) override; - /** * post work, unless the queue is closed before we can post */ - bool postIfOpen(const Work&) override; + bool post(const Work&) override; /** * post work, unless the queue is full @@ -320,22 +314,16 @@ namespace LL /*---------------------- fire and forget API -----------------------*/ - /// fire-and-forget - void post(const Work& callable) override; - - /// fire-and-forget, but at a particular (future?) time - void post(const Work& callable, const TimePoint& time); - /** * post work, unless the queue is closed before we can post */ - bool postIfOpen(const Work& callable) override; + bool post(const Work& callable) override; /** * post work for a particular time, unless the queue is closed before * we can post */ - bool postIfOpen(const Work& callable, const TimePoint& time); + bool post(const Work& callable, const TimePoint& time); /** * post work, unless the queue is full @@ -356,7 +344,7 @@ namespace LL * an LLCond variant, e.g. LLOneShotCond or LLBoolCond. */ template <typename Rep, typename Period, typename CALLABLE> - void postEvery(const std::chrono::duration<Rep, Period>& interval, + bool postEvery(const std::chrono::duration<Rep, Period>& interval, CALLABLE&& callable); private: @@ -417,15 +405,10 @@ namespace LL // move-only callable; but naturally this statement must be // the last time we reference this instance, which may become // moved-from. - try - { - auto target{ std::dynamic_pointer_cast<WorkSchedule>(mTarget.lock()) }; - target->post(std::move(*this), mStart); - } - catch (const Closed&) - { - // Once this queue is closed, oh well, just stop - } + auto target{ std::dynamic_pointer_cast<WorkSchedule>(mTarget.lock()) }; + // Discard bool return: once this queue is closed, oh well, + // just stop + target->post(std::move(*this), mStart); } } @@ -437,7 +420,7 @@ namespace LL }; template <typename Rep, typename Period, typename CALLABLE> - void WorkSchedule::postEvery(const std::chrono::duration<Rep, Period>& interval, + bool WorkSchedule::postEvery(const std::chrono::duration<Rep, Period>& interval, CALLABLE&& callable) { if (interval.count() <= 0) @@ -454,7 +437,7 @@ namespace LL // Instantiate and post a suitable BackJack, binding a weak_ptr to // self, the current time, the desired interval and the desired // callable. - post( + return post( BackJack<Rep, Period, CALLABLE>( getWeak(), TimePoint::clock::now(), interval, std::move(callable))); } @@ -516,48 +499,37 @@ namespace LL // Here we believe target WorkQueue still exists. Post to it a // lambda that packages our callable, our callback and a weak_ptr // to this originating WorkQueue. - try - { - tptr->post( - [reply = super::getWeak(), - callable = std::move(callable), - callback = std::move(callback)] - () mutable + return tptr->post( + [reply = super::getWeak(), + callable = std::move(callable), + callback = std::move(callback)] + () mutable + { + // Use postMaybe() below in case this originating WorkQueue + // has been closed or destroyed. Remember, the outer lambda is + // now running on a thread servicing the target WorkQueue, and + // real time has elapsed since postTo()'s tptr->post() call. + try { - // Use postMaybe() below in case this originating WorkQueue - // has been closed or destroyed. Remember, the outer lambda is - // now running on a thread servicing the target WorkQueue, and - // real time has elapsed since postTo()'s tptr->post() call. - try - { - // Make a reply lambda to repost to THIS WorkQueue. - // Delegate to makeReplyLambda() so we can partially - // specialize on void return. - postMaybe(reply, makeReplyLambda(std::move(callable), std::move(callback))); - } - catch (...) - { - // Either variant of makeReplyLambda() is responsible for - // calling the caller's callable. If that throws, return - // the exception to the originating thread. - postMaybe( - reply, - // Bind the current exception to transport back to the - // originating WorkQueue. Once there, rethrow it. - [exc = std::current_exception()](){ std::rethrow_exception(exc); }); - } - }, - // if caller passed a TimePoint, pass it along to post() - std::forward<ARGS>(args)...); - } - catch (const Closed&) - { - // target WorkQueue still exists, but is Closed - return false; - } - - // looks like we were able to post() - return true; + // Make a reply lambda to repost to THIS WorkQueue. + // Delegate to makeReplyLambda() so we can partially + // specialize on void return. + postMaybe(reply, makeReplyLambda(std::move(callable), std::move(callback))); + } + catch (...) + { + // Either variant of makeReplyLambda() is responsible for + // calling the caller's callable. If that throws, return + // the exception to the originating thread. + postMaybe( + reply, + // Bind the current exception to transport back to the + // originating WorkQueue. Once there, rethrow it. + [exc = std::current_exception()](){ std::rethrow_exception(exc); }); + } + }, + // if caller passed a TimePoint, pass it along to post() + std::forward<ARGS>(args)...); } template <typename... ARGS> @@ -568,18 +540,9 @@ namespace LL auto tptr = target.lock(); if (tptr) { - try - { - tptr->post(std::forward<ARGS>(args)...); - // we were able to post() - return true; - } - catch (const Closed&) - { - // target WorkQueue still exists, but is Closed - } + return tptr->post(std::forward<ARGS>(args)...); } - // either target no longer exists, or its WorkQueue is Closed + // target no longer exists return false; } @@ -591,7 +554,7 @@ namespace LL auto operator()(WorkQueueBase* self, CALLABLE&& callable, ARGS&&... args) { LLCoros::Promise<RETURNTYPE> promise; - self->post( + bool posted = self->post( // We dare to bind a reference to Promise because it's // specifically designed for cross-thread communication. [&promise, callable = std::move(callable)]() @@ -608,6 +571,10 @@ namespace LL }, // if caller passed a TimePoint, pass it to post() std::forward<ARGS>(args)...); + if (! posted) + { + LLTHROW(WorkQueueBase::Closed()); + } auto future{ LLCoros::getFuture(promise) }; // now, on the calling thread, wait for that result LLCoros::TempStatus st("waiting for WorkQueue::waitForResult()"); @@ -623,7 +590,7 @@ namespace LL void operator()(WorkQueueBase* self, CALLABLE&& callable, ARGS&&... args) { LLCoros::Promise<void> promise; - self->post( + bool posted = self->post( // &promise is designed for cross-thread access [&promise, callable = std::move(callable)]() mutable { @@ -639,6 +606,10 @@ namespace LL }, // if caller passed a TimePoint, pass it to post() std::forward<ARGS>(args)...); + if (! posted) + { + LLTHROW(WorkQueueBase::Closed()); + } auto future{ LLCoros::getFuture(promise) }; // block until set_value() LLCoros::TempStatus st("waiting for void WorkQueue::waitForResult()"); diff --git a/indra/llimage/llimageworker.cpp b/indra/llimage/llimageworker.cpp index 9358a0ae2c..520c81a8ec 100644 --- a/indra/llimage/llimageworker.cpp +++ b/indra/llimage/llimageworker.cpp @@ -92,21 +92,19 @@ LLImageDecodeThread::handle_t LLImageDecodeThread::decodeImage( { LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - try - { - // Instantiate the ImageRequest right in the lambda, why not? - mThreadPool->getQueue().post( - [req = ImageRequest(image, discard, needs_aux, responder)] - () mutable - { - auto done = req.processRequest(); - req.finishRequest(done); - }); - } - catch (const LLThreadSafeQueueInterrupt&) - { - LL_DEBUGS() << "Tried to start decoding on shutdown" << LL_ENDL; - } + // Instantiate the ImageRequest right in the lambda, why not? + bool posted = mThreadPool->getQueue().post( + [req = ImageRequest(image, discard, needs_aux, responder)] + () mutable + { + auto done = req.processRequest(); + req.finishRequest(done); + }); + if (! posted) + { + LL_DEBUGS() << "Tried to start decoding on shutdown" << LL_ENDL; + // should this return 0? + } // It's important to our consumer (LLTextureFetchWorker) that we return a // nonzero handle. It is NOT important that the nonzero handle be unique: diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h index 87fb9e363e..243aeaea25 100644 --- a/indra/llrender/llimagegl.h +++ b/indra/llrender/llimagegl.h @@ -340,7 +340,7 @@ public: template <typename CALLABLE> bool post(CALLABLE&& func) { - return getQueue().postIfOpen(std::forward<CALLABLE>(func)); + return getQueue().post(std::forward<CALLABLE>(func)); } void run() override; diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp index 4530e34369..1f91cbbaa8 100644 --- a/indra/llwindow/llwindowwin32.cpp +++ b/indra/llwindow/llwindowwin32.cpp @@ -370,15 +370,10 @@ struct LLWindowWin32::LLWindowWin32Thread : public LL::ThreadPool template <typename CALLABLE> void post(CALLABLE&& func) { - try - { - getQueue().post(std::forward<CALLABLE>(func)); - } - catch (const LLThreadSafeQueueInterrupt&) - { - // Shutdown timing is tricky. The main thread can end up trying - // to post a cursor position after having closed the WorkQueue. - } + // Ignore bool return. Shutdown timing is tricky: the main thread can + // end up trying to post a cursor position after having closed the + // WorkQueue. + getQueue().post(std::forward<CALLABLE>(func)); } /** |