timeouts and event objects

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Hello,

There is an Event Object in windows NT environment
that is used in number of situations to notify the
waiting thread of the occurence of the event. I have
to implemt this behaviour. For implementing threads i
am using task queues and not sure of how the event
objects can be implemented. for the task queues i am
putting them on schedule queue so as to execute in a
context of a process. actually that is the
requirement.
the bottom half function is waiting for some event
with timout specified to occur.
In the ISR bottom half the task has to be waked up.the
task on schedule queue. i am not sure whether that can
be done. how the event objects can be implemented.

thanks in advance.
-vany


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