thank you so much. but how can i activate CONFIG_PREEMPT in the kernel configuration is it #define CONFIG_PREEMPT 1 ? thanks in advance On Thu, 2005-09-22 at 10:19 +0500, Fawad Lateef wrote: > On 9/22/05, raja <vnagaraju@xxxxxxxxxxxx> wrote: > > > > > > i did like that. > > here wht is the use of schedule() in this case? > > Any way after the certain time thread2 is executed. > > > > > > Schedule() is used to give CPU to other tasks, as for( ; ; ) or while > (1) is used in the thread then thread won't give CPU to any other > process and thus system will hang ... So schedule() is actually giving > the CPU to other tasks and telling to schedule the current thread for > later execution ....... > > By the way you have to select/enable CONFIG_PREEMPT in kernel > configuration which might able to show you the race condition or > run/test on SMP system .... > > > -- > Fawad Lateef -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
