durga reddy <sysatus@xxxxxxxxx> writes: > i will be havig one application running in user space. one of the > user defined function from my application has to be executed after > some specified time all the time....can any one suggets what > mechanism can i use..for this to achieve. Use alarm() or setitimer(), along with sigaction(). man alarm man setitimer man sigaction Please do not post user space application related queries to this list. Vijay -- Free the Code, Free the User. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/