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| process on a single-core CPU http://www.steveshipway.org/forum/viewtopic.php?f=22&t=4261 |
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| Author: | phulkoli [ Mon Nov 15, 2010 6:54 pm ] |
| Post subject: | process on a single-core CPU |
How does a scheduler preempt a running process on a single-core CPU? The running process is occupying the CPU and keeps going. How the scheduler (also considered a process by the CPU) comes into the picture? Doesn't the scheduler also need to get on the CPU before it can preempt some others? My question is how the running process gives up the CPU by others preemptively when it is using the CPU? _____________________________ ~ ~ ~ |
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