Messages in this thread |  | | From | Luís Henriques <> | Subject | Re: copy to suer space | Date | Wed, 21 Nov 2001 10:49:43 +0000 |
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On Tuesday 20 November 2001 07:31 pm, Tyler BIRD wrote: > What is the other "specifc event that occurs" you could write a spinlock > and the other thread that causes the event could release that lock > Of course interrups should be enabled when some thing like this should > happen Is this other event a interrupt?
The specific event is a breakpoint interrupt: when a specific memory address is used (for opcode fetch/read/write) in the addressing space of a process, then an exception is raised and a handler for this exception will be called - this is my module.
> > > There are various ways I'll have to look up when I get home. > you could alter the cs if you change the vma properties especially the > permissions properties and you can do this I just don't have the details > now. > > the cs is protected by default > Tyler >
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