Re: [PATCH v2] Improve portability: Cast pid_t's to intmax_t

"George Spelvin" [off-list ref] writes:

You can be paranoid if you like and cast to long, but I don't think
even a massive 64-bit cluster is likely to have more than 2G processes
in the forseeable future.

But it isn't it possible for some OS to use a sparse PID namespace?

-Miles

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