> I read in some post to comp.unix.programmer that the maximum pid
> is 30000, and that's a historical limit, going back to AT&T SysV.
> It'll probably need a kernel hacker to shed some light ...
It's only a historic limit in the same sense that, for example, file names
are limited to 14 characters. The limit died a long, long time ago.
POSIX states that pid_t should be of type int, but most versions of unix
wrap pid's at either 32000 or eles 32767. FreeBSD goes up to 99999 before
wrapping (for legibility), and there may be some other regional varieties.
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