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Date: | Thu, 23 Jul 2009 15:23:32 +0100 |
From: | Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com> |
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To: | cygwin AT cygwin DOT com |
Subject: | Re: strange behavior with threads... |
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jean-luc malet wrote: > Hi! > I've the following code : > void _Window::Start(void* arg) > { > ThreadArgs args; This allocates a ThreadArgs struct on the stack. > int err = pthread_create(&main_thread,NULL,_Start, (void*)&args); This passes a pointer to the ThreadArgs struct on the stack to the new thread. > if (err) > { > throw new Exception(err, "window thread creation error"); > } > } This then immediately exits and deallocates the stack frame, making the &args pointer you passed to the main_thread invalid. cheers, DaveK -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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