Darren Salt wrote:
> The attached patch should fix a hang (livelock) which can occur when moving
> between editing marks. Blame Timothy Baldwin if it doesn't work - he
> suggested it ;-)
>
>
>
> ------------------------------------------------------------------------
>
> #! /bin/sh /usr/share/dpatch/dpatch-run
> ## 10_livelock.dpatch by Timothy Baldwin <T.E.Baldwin99@xxxxxxxxxxxxxxxxxxx>
> ##
> ## All lines beginning with `## DP:' are a description of the patch.
> ## DP: Fix a livelock problem when jumping between editing marks.
>
> @DPATCH@
> diff -urNad vdr-1.3.23/dvbplayer.c /tmp/dpep.odvcge/vdr-1.3.23/dvbplayer.c
> --- vdr-1.3.23/dvbplayer.c 2005-03-25 23:45:25.789555968 +0000
> +++ /tmp/dpep.odvcge/vdr-1.3.23/dvbplayer.c 2005-03-25 23:53:11.273645683 +0000
> @@ -376,6 +376,7 @@
> cPoller Poller;
> if (DevicePoll(Poller, 100)) {
>
> + sched_yield();
> LOCK_THREAD;
>
> // Read the next frame from the file:
Under which conditions do these lockups happen?
Which output device is in use (FF DVB card or some software player)?
I don't really see what difference this sched_yield() would make,
so I'd like to understand this before simply throwing it in...
Klaus
