Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: Preemption of the OS system call due to expiration of the time-sl ice for: a) SCHED_NORMAL (aka SCHED_OTHER) b) SCHED_RR | Date | Wed, 30 Jun 2004 12:50:04 +0200 |
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Am Mittwoch, 30. Juni 2004 11:50 schrieb Povolotsky, Alexander: > Con - thanks for your kind answers ! > > Preemption (due to the expiration of the time-slice) of the process, while > it executes OS system call, - by another process (of equal or higher > priority) when running under following scheduling policies: > > a) SCHED_NORMAL (aka SCHED_OTHER) > b) SCHED_RR > > Is it possible in Linux 2.6 ? Linux 2.4 ?
It is possible if the kernel is compiled with CONFIG_PREEMPT and the calling task has not blocked it.
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