Design mixed 32 and 64 bit systems.

[Christopher Faylor]

On Mon, Dec 02, 2013 at 12:35:00PM -0700, Warren Young wrote:
>This happens because POSIX PIDs are in a table that lives in 
>cygwin1.dll's memory space, and because there are two DLLs, there are 
>two different PID tables.

Actually POSIX pids are Windows PIDs.  The distinction becomes fuzzy
after an exec, though, where the Cygwin PID continues to be the PID
of the process which previously exec'ed it.

cgf