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Join Date: Jun 2006
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Newbie Poster
Hi all,
I want to know whether "sleep command in shell scripting is a guarenteed command or not "
In java 'Sleep() ' is not guarenteed to be called when CPU is Idle.
Regards,
VANII
I want to know whether "sleep command in shell scripting is a guarenteed command or not "
In java 'Sleep() ' is not guarenteed to be called when CPU is Idle.
Regards,
VANII
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Join Date: May 2004
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Junior Poster
The sleep command in unix is guaranteed to sleep a minimum.
Due to the way quanta (time slices) work in OS schedulers, other processes may get the cpu ahead of the sleeper who just awoke.
ie., there is no guarantee of an upper limit. sleep 1 may last longer than 1 second.
Linux sleep calls nanosleep - read the man page for that.
Due to the way quanta (time slices) work in OS schedulers, other processes may get the cpu ahead of the sleeper who just awoke.
ie., there is no guarantee of an upper limit. sleep 1 may last longer than 1 second.
Linux sleep calls nanosleep - read the man page for that.
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