Re: read reads from stale buffer after interrupt

[Chet Ramey]

On 5/31/24 11:57 AM, Oğuz wrote:
> On Friday, May 31, 2024, Chet Ramey <chet.ramey@case.edu 
> <mailto:chet.ramey@case.edu>> wrote:
>
>     Thanks for the report. Since this occurs when read(2) returns a partial
>     buffer on an interrupt, I think we can handle it in read_builtin().
>
>
> Okay, handle how though? Leave the file offset at the last byte read before 
> the interrupt or where the last successful read command left it?

Reinitialize the buffer state before we longjmp. Since we were interrupted,
we're going to abandon this invocation of read, discarding what we read.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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