Do you perhaps not have your COOP and COEP headers set? Those are required to make SharedArrayBuffer (and Wasm threads in general) available. https://web.dev/coop-coep/
On Wed, Jul 19, 2023 at 5:56 AM Ronny Nissengold <ronny....@gmail.com> wrote: > Just to make a few things clear: > 1. I used to have a CPP thread which crashed whenever trying to create the > thread. I removed it and then my WASM code worked perfectly. > 2. (Not sure if relevant) What my code does is basically- Receive an image > from Webcam, copy it to a JS arrayBuffer, call a callback to my CPP > function, modify the image in cpp, return the image, and paint it on a > canvas. With some cool AI in the process with OnnxRuntime and OpenCV > compiled in ;) > 3. I do want to use CPP threads, so to solve 1, I recompiled everything > with -pthread, and then everything successfully recompiled. Also some > worker.js was created I am not sure what to do with... > 4. After I thought I am finished, somehow the project forgot what > SharedArrayBuffer is, which I guess causes all the other errors as well. > ב-יום רביעי, 19 ביולי 2023 בשעה 12:45:53 UTC+3, Ronny Nissengold כתב/ה: > >> Thank you all for your support. >> I was able to successfully compile my project with pthread enabled. >> Now I face a new problem, I used Module._malloc to pass an image from a >> webcam into my cpp function >> For that I used the following linker >> flags: add_link_options(-sINITIAL_MEMORY=800MB -sTOTAL_STACK=80MB -O3 -s >> -sEXPORTED_FUNCTIONS=['_malloc','_free'] -sASSERTIONS -pthread) >> >> Now I get the following error in my console: >> >> Uncaught ReferenceError: SharedArrayBuffer is not defined >> at blink_landmark_detector_sample.js:1:9999 >> >> (index):11 Uncaught TypeError: Module._malloc is not a function >> at _arrayToHeap ((index):11:24) >> at HTMLVideoElement.computeFrame ((index):40:22) >> >> Any idea what happened? >> Thanks! >> Ronny >> ב-יום שלישי, 18 ביולי 2023 בשעה 16:06:32 UTC+3, tli...@google.com כתב/ה: >> >>> If you look at your CMake script, you should see that it adds -flto at >>> some point. That’s the option you’ll want to remove. You may be able to >>> remove it from your CMakeCache.txt file and recompile without running cmake >>> again. >>> >>> On Tue, Jul 18, 2023 at 01:33 Ronny Nissengold <ronn...@gmail.com> >>> wrote: >>> >>>> Thank you for your response. How do I turn off LTO? >>>> >>>> ב-יום שני, 17 ביולי 2023 בשעה 18:51:26 UTC+3, tli...@google.com כתב/ה: >>>> >>>>> This error means that some code wasn't compiled with -pthread and >>>>> therefore is not safe to execute in a multithreaded environment. Normally >>>>> the error message tells you which object is the culprit, but it's less >>>>> helpful here because you're using LTO. Does the problem persist if you >>>>> turn >>>>> off LTO? >>>>> >>>>> On Mon, Jul 17, 2023 at 8:49 AM Ronny Nissengold <ronn...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hi all! >>>>>> I am trying to use multithreading in my project. >>>>>> I got this error when passing -pthread both to compiler and linker. >>>>>> I am using cmake. >>>>>> Any idea how to overcome this? >>>>>> Thanks! >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "emscripten-discuss" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to emscripten-disc...@googlegroups.com. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/emscripten-discuss/acbc873e-078a-4082-8761-6c0322246170n%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/emscripten-discuss/acbc873e-078a-4082-8761-6c0322246170n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "emscripten-discuss" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to emscripten-disc...@googlegroups.com. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/emscripten-discuss/3c0a9c3c-9e56-41e4-9211-38afba0fc2c2n%40googlegroups.com >>>> <https://groups.google.com/d/msgid/emscripten-discuss/3c0a9c3c-9e56-41e4-9211-38afba0fc2c2n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to emscripten-discuss+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/a82fa172-4875-4b42-a1fb-ed7237ca6d9bn%40googlegroups.com > <https://groups.google.com/d/msgid/emscripten-discuss/a82fa172-4875-4b42-a1fb-ed7237ca6d9bn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. 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