Messages in this thread | | | Subject | Re: [PATCH] Linux-2.5 fix/improve get_pid() | From | Alan Cox <> | Date | 09 Aug 2002 11:32:33 +0100 |
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On Fri, 2002-08-09 at 09:48, Helge Hafting wrote: > Use 32-bit PID's, but with an additional rule for wraparound. > Simply wrap the PID when > (nextPID > 2*number_of_processes && nextPID > 30000) > The latter one just to avoid wrapping at 10 when there are > 5 processes.
Its much simpler to put max_pid into /proc/sys/kernel. That way we can boot with 32000 process ids, which will ensure ancient stuff which has 16bit pid_t (old old libc) and also any old kernel interfaces which expose it - does ipc ?
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