What about worker threads? If `emscripten_set_timeout` is called in a thread other than main, the thread might be blocking somewhere when the timer triggers, no? It might also be that I'm misunderstanding some fundamental concept here... :)
-- Kalle On Wed, 10 Feb 2021 at 04:50, 'Sam Clegg' via emscripten-discuss < [email protected]> wrote: > > > On Tue, Feb 9, 2021 at 6:50 AM Kalle Huttunen <[email protected]> wrote: > >> Came back to this after a while, and it seems that >> using `emscripten_set_interval` and `emscripten_set_timeout` would not be a >> good option for a general solution after all, as they will try to invoke >> the callback in the calling thread, and there's no guarantees what the >> calling thread will be doing when the timer triggers. So it seems to me >> that some kind of timer specific thread would be needed. >> >> > JavaScript is single threaded, and handlers have to run to completion > before another even can fire. So when timers fire there is, by defintion, > nothing else going on the calling thread. The exception to this is > ASYNCIFY which can make it appear that events occur mid-function. If you > are not using ASYNCIFY you don't need to worry about that. > > >> -- >> Kalle >> >> On Tue, 1 Sept 2020 at 10:21, Kalle Huttunen <[email protected]> wrote: >> >>> Ok, thanks for the answer. I started experimenting implementing the >>> timers in my code with `emscripten_set_interval` and >>> `emscripten_set_timeout` in the web build. Do you think this could be the >>> approach also for implementing them in library_syscalls.js? >>> >>> -- >>> Kalle >>> >>> On Thursday, 27 August 2020 at 22:26:32 UTC+3 [email protected] wrote: >>> >>>> It looks like we do not support that today. `timer_create.c` is >>>> excluded from the musl build in system_libs.py. >>>> >>>> If you'd like to add it that would be most welcome. It looks like >>>> you'd need to enable that `.c` file and then implement the time_create >>>> syscall in library_syscalls.js. >>>> >>>> cheers, >>>> sam >>>> >>>> On Thu, Aug 27, 2020 at 10:45 AM Kalle Huttunen <[email protected]> >>>> wrote: >>>> >>>>> Does Emscripten support POSIX timers? My code using them compiles, but >>>>> fails to link with undefined references to timer_create() and friends. I'm >>>>> wondering am I missing some linker flag etc or are they just not >>>>> supported. >>>>> >>>>> -- >>>>> Kalle >>>>> >>>>> -- >>>>> 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/b6b76dd4-90ea-453a-ae4a-56355075d061n%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/emscripten-discuss/b6b76dd4-90ea-453a-ae4a-56355075d061n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to a topic in the >>> Google Groups "emscripten-discuss" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/emscripten-discuss/RDb4CfuoSpA/unsubscribe >>> . >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/emscripten-discuss/fa5a792f-b10c-4477-9572-8f8f3ab72c4en%40googlegroups.com >>> <https://groups.google.com/d/msgid/emscripten-discuss/fa5a792f-b10c-4477-9572-8f8f3ab72c4en%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/CACrvwwt3aC7i%2Bm-cPXB8tSgusB2Nt_3-nr3H2c%3DU0YaZnjVQRA%40mail.gmail.com >> <https://groups.google.com/d/msgid/emscripten-discuss/CACrvwwt3aC7i%2Bm-cPXB8tSgusB2Nt_3-nr3H2c%3DU0YaZnjVQRA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to a topic in the > Google Groups "emscripten-discuss" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/emscripten-discuss/RDb4CfuoSpA/unsubscribe > . > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAL_va288_z-gkAip5h7mkou0oCczfi5BuQ581WR3hBQJv_CBjg%40mail.gmail.com > <https://groups.google.com/d/msgid/emscripten-discuss/CAL_va288_z-gkAip5h7mkou0oCczfi5BuQ581WR3hBQJv_CBjg%40mail.gmail.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/CACrvwwvG1i39cn6eTYOSvBY-Q4Nu9aa_qNCzJxj0Kn85s%2BOFdw%40mail.gmail.com.
