maemo.org - Talk - View Single Post - Stuttering audio when multitasking?

	pycage	2010-06-23 , 19:37
	Posts: 3,404 \| Thanked: 4,474 times \| Joined on Oct 2005 @ Germany	#18

Originally Posted by Joorin

How is this done? To "freeze" an application, you need to not schedule it for time in the processor and that sounds like a very dodgy hack in the kernel.

On Unix you can send a SIGSTOP to a process to freeze it, and a SIGCONT to thaw.
For example

Code:

killall -STOP hildon-thumbnailerd

would freeze the hildon-thumbnailer, and

Code:

killall -CONT hildon-thumbnailerd

would thaw it.
The kill commands don't kill processes but send signals, with the default being the ABORT signal.

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