pgsql: Don't write to stdin of a test process that could have already e

Don't write to stdin of a test process that could have already exited. Instead, close that stdin. Per buildfarm member conchuela. Back-patch to 9.6, where the test was introduced. Discussion: https://postgr.es/m/26478.1555373...@sss.pgh.pa.us Branch -- REL_10_STABLE Details --- https:

pgsql: Don't write to stdin of a test process that could have already e

Don't write to stdin of a test process that could have already exited. Instead, close that stdin. Per buildfarm member conchuela. Back-patch to 9.6, where the test was introduced. Discussion: https://postgr.es/m/26478.1555373...@sss.pgh.pa.us Branch -- master Details --- https://git.p

pgsql: Don't write to stdin of a test process that could have already e

Don't write to stdin of a test process that could have already exited. Instead, close that stdin. Per buildfarm member conchuela. Back-patch to 9.6, where the test was introduced. Discussion: https://postgr.es/m/26478.1555373...@sss.pgh.pa.us Branch -- REL9_6_STABLE Details --- https:

pgsql: Don't write to stdin of a test process that could have already e

Don't write to stdin of a test process that could have already exited. Instead, close that stdin. Per buildfarm member conchuela. Back-patch to 9.6, where the test was introduced. Discussion: https://postgr.es/m/26478.1555373...@sss.pgh.pa.us Branch -- REL_11_STABLE Details --- https: