On Thu, Dec 13, 2012 at 12:12:44PM +0100, Pawel Jakub Dawidek wrote: > On Wed, Dec 12, 2012 at 11:06:52PM +0200, Konstantin Belousov wrote: > > On Wed, Dec 12, 2012 at 03:45:04PM +0000, Pawel Jakub Dawidek wrote: > > > Author: pjd > > > Date: Wed Dec 12 15:45:03 2012 > > > New Revision: 244154 > > > URL: http://svnweb.freebsd.org/changeset/base/244154 > > > > > > Log: > > > Use kern.max_pid sysctl to obtain maximum PID number instead of using > > > local > > > define. > > It is pid_max, not max_pid. > > > > But the change is wrong. The kern.pid_max only limits newly allocated pids, > > it does not magically moves existing pids, which are out of range, to the > > limited region. See the corresponding commit log for the description. > > It was added to make it easier to run FreeBSD 1.x binaries on the modern > > kernels. > > I saw CTLFLAG_TUN on the sysctl and assumed it is read-only... > How about defining BSD_PID_MAX in sys/proc.h, which would be visible by > userland as well and setting PID_MAX to BSD_PID_MAX? > > This would also help bsnmpd. > > http://people.freebsd.org/~pjd/patches/PID_MAX.patch Do you know why PID_MAX is under _KERNEL ? If there is no real reason, it would be better to move it outside kernel-only section. sys/proc.h is not in POSIX anyway.
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