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Re: [Help-smalltalk] setitimer, small delta and XNU
From: |
Paolo Bonzini |
Subject: |
Re: [Help-smalltalk] setitimer, small delta and XNU |
Date: |
Thu, 16 Apr 2015 09:58:22 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
On 15/04/2015 22:25, Holger Freyther wrote:
> this means deltaMilli will be 0 which leads to us “canceling” the timer
> instead
> of setting it. My workaround is to make sure that tv_usec is never zero. Is
> this
> acceptable? E.g. something like this?
>
> diff --git a/libgst/sysdep/posix/timer.c b/libgst/sysdep/posix/timer.c
> index c47ae91..10e0e92 100644
> --- a/libgst/sysdep/posix/timer.c
> +++ b/libgst/sysdep/posix/timer.c
> @@ -121,8 +121,16 @@ _gst_sigalrm_at (int64_t nsTime)
> struct itimerval value;
>
> value.it_interval.tv_sec = value.it_interval.tv_usec = 0;
> - value.it_value.tv_sec = deltaMilli / 1000;
> - value.it_value.tv_usec = (deltaMilli % 1000) * 1000;
> + if (deltaMilli)
> + {
> + value.it_value.tv_sec = deltaMilli / 1000;
> + value.it_value.tv_usec = (deltaMilli % 1000) * 1000;
> + }
> + else
> + {
> + value.it_value.tv_sec = 0;
> + value.it_value.tv_usec = 1;
> + }
> setitimer (ITIMER_REAL, &value, (struct itimerval *) 0);
> }
> }
>
>
Yes, certainly!
Paolo