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 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_va288_z-gkAip5h7mkou0oCczfi5BuQ581WR3hBQJv_CBjg%40mail.gmail.com.
