Segmentation, The update have solved the issue to you? is possible an example code how are you doing that? Thanks
Em terça-feira, 18 de agosto de 2020 às 11:46:17 UTC-3, [email protected] escreveu: > Oh! Yes, it seems so. Thanks for the link! > > On Tuesday, August 18, 2020 at 3:09:25 PM UTC+1 [email protected] wrote: > >> Hi, >> I think there is an issue for this : >> https://github.com/emscripten-core/emscripten/issues/11914 >> >> >> On Mon, Aug 17, 2020 at 3:42 PM 'Sam Clegg' via emscripten-discuss < >> [email protected]> wrote: >> >>> >>> >>> On Mon, Aug 17, 2020 at 3:28 AM Segmentation Fault Error < >>> [email protected]> wrote: >>> >>>> Should this issue be raised in the emsdk repo? or left aside, until we >>>> have a final release of the threads feature? >>>> >>>> >>> Thread support in emscripten is officially released and available. If >>> you find bugs then opening a bug in the emscripten repo (not the emsdk >>> repo) is probably the right way to go. >>> >>> cheers, >>> sam >>> >>> >>>> On Wednesday, July 29, 2020 at 12:26:14 PM UTC+1 Segmentation Fault >>>> Error wrote: >>>> >>>>> Toying with this concept I realized that some operations cannot be >>>>> performed if you launch a thread from a Web Worker. >>>>> >>>>> A simpler example, following my setup linked in the OP: >>>>> >>>>> #include <pthread.h> >>>>> #include <stdio.h> >>>>> #include <emscripten.h> >>>>> >>>>> void *thread(void *arg) >>>>> { >>>>> printf("Hello from thread!\n"); // Execution hangs here if Module >>>>> is instantiated in a Web Worker >>>>> return NULL; >>>>> } >>>>> >>>>> EMSCRIPTEN_KEEPALIVE void doSomething() >>>>> { >>>>> pthread_t thr; >>>>> pthread_create(&thr, NULL, thread, NULL); >>>>> } >>>>> >>>>> To me it seems like it gets locked on spawning threads, IO, ... I >>>>> guess this is not expected behavior, and that this can happen because >>>>> WASM >>>>> threads is a WIP feature. Is there anything else I could do here? >>>>> >>>>> Cheers, >>>>> SFE >>>>> >>>>> On Friday, July 24, 2020 at 5:35:43 PM UTC+1 [email protected] wrote: >>>>> >>>>>> Interesting, so this can use pthreads from the main thread ok, but >>>>>> not when starting from a pthread? >>>>>> >>>>>> That is a less-tested use case, so it's possible you've run into a >>>>>> bug. Building with -s PTHREADS_DEBUG may help with extra logging. But it >>>>>> may be best to try to reduce this to a small testcase, as it may need to >>>>>> be >>>>>> debugged in depth. >>>>>> >>>>>> On Thu, Jul 23, 2020 at 7:46 AM Segmentation Fault Error < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Hello everyone, >>>>>>> >>>>>>> >>>>>>> >>>>>>> I have been using for a while emscripten to compile a large library. >>>>>>> Since its operations take long time, I moved the module to a web >>>>>>> worker, >>>>>>> where I can call functions without blocking the UI. And it has worked >>>>>>> fantastic so far! >>>>>>> >>>>>>> >>>>>>> >>>>>>> To further improve performance, I then enabled pthreads in the >>>>>>> toolchain. I noticed then that the execution got stuck. Somehow this >>>>>>> issue >>>>>>> does not occur if the module is executed on the main UI thread, instead >>>>>>> of >>>>>>> the web worker. >>>>>>> >>>>>>> >>>>>>> >>>>>>> I have left a link below, to the demo code on how to reproduce the >>>>>>> issue: a function that launches a thread, that launches several >>>>>>> threads. It >>>>>>> happens that this second level never gets executed if the function was >>>>>>> called from a web worker. >>>>>>> >>>>>>> >>>>>>> >>>>>>> Maybe I am missing something here, any idea? >>>>>>> >>>>>>> >>>>>>> >>>>>>> Regards, >>>>>>> >>>>>>> SFE >>>>>>> >>>>>>> Link: >>>>>>> https://drive.google.com/file/d/1EtkdRBN1Y8QpsRE19BH5AePAD3VLAV6U/view?usp=sharing >>>>>>> >>>>>>> -- >>>>>>> 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 [email protected]. >>>>>>> To view this discussion on the web visit >>>>>>> https://groups.google.com/d/msgid/emscripten-discuss/141a16e4-647e-484c-b36a-8db45addaec8o%40googlegroups.com >>>>>>> >>>>>>> <https://groups.google.com/d/msgid/emscripten-discuss/141a16e4-647e-484c-b36a-8db45addaec8o%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 [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/emscripten-discuss/df1255b4-7a74-4b00-9ea7-300ec039c5b6n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/emscripten-discuss/df1255b4-7a74-4b00-9ea7-300ec039c5b6n%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 [email protected]. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/emscripten-discuss/CAL_va2-jXJingg7HZehLFFtBG24dT0uijNUo0J%2BZhbq-YKPf6w%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/emscripten-discuss/CAL_va2-jXJingg7HZehLFFtBG24dT0uijNUo0J%2BZhbq-YKPf6w%40mail.gmail.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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