On 9/4/05, Petter Shappen <[email protected]> wrote:
> As we all know the kernel maintain a data struct for the
> process(PCB),and also for the thread.Because of the latter's smaller
> than the former's,thread switching is faster than the process
not really. They just share some bits (like: address space, file
table, signal handlers, etc),
but aside from that - normal processes.
> switching.And from the book,I read that threads shares some data
What exactly is this book you're reading?
> information of the process,so my question is that when the threads of
> different processes have to switch,and the threads also use some data
> of the processes,will the process switch before the threads?The speed
> of these threads switching is slower than normal,is that true ?
Why?
> How can the thread's advantage over process reflect?
It usually don't. Not noticably, in any case
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