Re: clock, clock_t and GTK

[Paul Davis <pbd Op Net>]

>I make an application that communicate via serial line at 19200,n,8,1
>and has 3 idle functions.
>One idle function get data for serial line and update a widget.
>One update a widget. The latter control a process quering the system by
>"clock" POSIX function e updating a label with the time value.
>
>Why the time value in the label changes slower that real-time?
>
>That is. I start countdown. After real 5 minutes the label display 3
>minutes.
>
>Why this difference? Is GTK lib that change time or is kernel linux that
>makes wrong operations?