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A comment on The Man Behind Windows PowerShell. Parent comment

Re:The Man Behind Windows PowerShell by int_19h on Thursday September 14, 2017 @08:46PM (#15253712)
> The main difference I know of is that file descriptors are sequential, while handles are random.

Is it an API guarantee, or just an irrelevant implementation detail?

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Re:The Man Behind Windows PowerShell by cesarb on Thursday September 14, 2017 @09:31PM (#15253888)
For file descriptors, API guarantee, specified by POSIX: http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2...

"[...] atomically allocate the lowest numbered available (that is, not already open in the calling process) file descriptor [...]"

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