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commit d1be0a59d48222d8ea6261ee3e59de2bc3d149e4, "Cygwin: winpids: Fix getting process multiple times" fixed duplicate processes in ps -W output, but it fixed the symptom, not the cause. It also didn't fix the problem that the `ps' process itself may show up twice in its own output. This patch fixes it. The spawn worker only deleted the "winpid.PID" symlink of the current process if the child is a non-Cygwin process, under the assumption that the exec'ing process exits anyway. However, the Window in which both winpid.PID symlinks point to the same cygpid.PID area is just too long. The spawn worker now also deletes its own winpid.PID symlink if the exec'ed process is a Cygwin process. Additionally the fix from d1be0a59d48222d8ea6261ee3e59de2bc3d149e4 is now performed on the calling process, too. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
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