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Operativ Systemer & Tråde

Operativ Systemer & Tråde. Operativ Systemer & Tråde. Operativ Systemer Processer Tråde Trådinterferens. Operativ Systemer. Kernel, biblioteker, servere Beskyttelse Kernel Funktionalitet Rettigheder. Operativ Systemer. Kernel ha r en række managers: Process Thread Communication

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Operativ Systemer & Tråde

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  1. Operativ Systemer & Tråde

  2. Operativ Systemer & Tråde Operativ Systemer Processer Tråde Trådinterferens

  3. Operativ Systemer • Kernel, biblioteker, servere • Beskyttelse • Kernel • Funktionalitet • Rettigheder

  4. Operativ Systemer • Kernel har en række managers: • Process • Thread • Communication • Memory • Supervisor

  5. Hvad er en proces • Knyttet til et Execution Environment • Virtuel hukommelse - Adresserum • Tråd (en eller flere) • Shared Region • Copy on write

  6. Tråde • Tråde frem for Processer • Billigere og lettere at oprette • Billigere at skifte i mellem • Deler adresserum

  7. Trådinterferens • Men tråde kan gå i vejen for hinanden... • Låse • Medfører kritiske regioner • Deadlock • Livelock • Starvation

  8. Operativ Systemer & Tråde Operativ Systemer Processer Tråde Trådinterferens

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