RFR: 8307990: jspawnhelper must close its writing side of a pipe before reading from it

[David Holmes]

On Fri, 19 May 2023 15:43:30 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Given the purpose and implementation of the readFully function, I don't see how it can return anything other than an error or the full requested read length.

@RogerRiggs it will return < requested read length if it encounters EOF - i.e. a short read.

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PR Comment: https://git.openjdk.org/jdk/pull/13956#issuecomment-1556727447