> And, what is PT_PTRACE? i think it pertains to when a process is controlling the execution of another process e.g. a debugger. man ptrace ! please correct me if i am wrong. kind regards anupam -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/