On Sun, Dec 23, 2007 at 11:59:21PM +0200, Shmuel Fomberg wrote: > Hi Dave. > > >> Anyway, my question is that $x is a lexical inside run_test, and as much > >>as > >> I understood it was not suppose to be copied to the new thread. But it > >is. > > >In a new thread, *everything* is copied, apart from the calling stacks. > > Well, It seen that the calling stack is copied too. But it kept frozen until > the thread is destroyed, and then Perl destroy the calling stack frame by > frame.
Um no, lexical variables aren't stored on the call stack. The stack isn't copied (so caller() in a thread won't show any history outside the thread itself), but all lexicals are cloned. -- But Pity stayed his hand. "It's a pity I've run out of bullets", he thought. -- "Bored of the Rings"
