Concurrency en race condities
Concurrency en race condities
Concurrency en race condities
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Afscherming in software<br />
• Peterson‟s <strong>en</strong> Dekker‟s algoritm<strong>en</strong><br />
Bakkerswinkel algoritme<br />
(<strong>en</strong> veel meer, b.v. protocol van Eis<strong>en</strong>berg <strong>en</strong><br />
McGuire)<br />
– Busy waiting, spin locks<br />
– Lastig goed te krijg<strong>en</strong><br />
• Arbiter process<strong>en</strong><br />
– Busy waiting<br />
– Extra proces, veel context switches<br />
– Veel makkelijker<br />
College OS 2010 – 2011 16