Advanced Operating Systems
COMP9242 2002/S2
UNSW
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ASysT Lab
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MIPS R4000 User Manual
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Network Driver
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GT64111
Related Info
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Aurema OS Prize
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OS Hall of Fame
History
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2000
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1999
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1998
Staff
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Gernot Heiser
(LiC)
Next:
Interrupts and Interrupt Handlers
Up:
01-l4
Previous:
Exceptions and Excepters
Preemptions and Preempters
Basic idea:
treat a preemptions like a page fault, i.e., a
time faults
,
have a
preempter
as a time-fault handler,
preempter is invoked via IPC.
Model is, at present, not matured, and preemtpers are not implemented in any L4 version.
Gernot Heiser 2002-08-07