Under what circumstances would Windows XP increase a dynamic-priority thread’s priority? Decrease it?
What will be an ideal response?
A thread receives a priority boost when the thread exits the waiting state, such as after
the completion of an I/Oor after the thread gains a handle to a resource for which the thread
is waiting. Similarly, a window that receives input (such as from the keyboard, mouse or timer) gets a priority boost. The system also can reduce a thread’s priority.When a thread
executes until its quantum expires, its priority is reduced one unit. However, a thread’s
dynamic priority can never dip below its base priority or rise into the real-time range.
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