On Mon, Nov 26, 2001 at 08:25:38PM +0530, Mohit Kalra wrote: > 1. Why doesn't the kernel let all the processes use the CLONE_PID flag? > What is the reason for allowing only the process with PID == 0 to use this > feature. If this was allowed then threads of a single process could have > the same PID as required by pthreads. Currently each thread gets a > separate PID even though it is spawned from the same process (not what > POSIX asks for). How do I parse /proc/<pid> for each thread then ? POSIX does not require separate pids as far as I know. It does need a "thread id" though, and kernel support for that was added during 2.4 I believe. regards john -- "By the way, it's not binaries, it's Perl code. Sometimes they look confusingly similar." - Pavel Roskin -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
