Re: A timeout with microsecond precision?

[Olexiy Avramchenko <olexiy irtech cn ua>]

Yueh-Wei Hu wrote:

> I noticed that g_timeout_add() using an argument with millisecond
> precision.
> However, I want to specify an callback function to be called every 30
> microseconds.
>  
You can't do this with timeouts. If you run your code on PC with linux 
kernel, read about real-time clock ("<path to kernel 
source>/Documentation/rtc.txt"), but you'll get no more than 8192 
interrupts per second.

> Does glib offer this facility?
Nope.

> Or how could I achieve this in gtk?
I think that this cant be done from userspace on linux or windows system.

> I also noticed that Qt offers its timer with microsecond precision. Why
> does glib offer one with millisecond precision?
Thats more than enough...

   Olexiy