On Tue, Nov 17, 2015 at 7:00 AM, <[email protected]> wrote:
>
> delayed {
> my $TextToWrite = ReturnText();
> sleep(10); # Do something that takes a few seconds
> content "$TextToWrite";
> done;
> };
The sleep call will always cause blocking, even a sleep(0). Likewise a
flush. In the sense that there is a context switch to some other thread or
process.
How are you testing whether it is blocking? Sorry, I do not know what you
are trying to do.
Linux will not schedule a cpu intensive task to the exclusion of I/O. You
can affect its scheduling using nice:
http://stackoverflow.com/questions/2012852/control-a-perl-scripts-cpu-utilization
If you really want nonblocking then you can look at nice for io
http://linux.die.net/man/1/ionice
or spawn a C program with pthreads and freeze your screen!
cheers -- Rick
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