On Mon, Apr 15, 2019 at 08:08:48PM -0400, Tom Lane wrote: > Noah Misch <n...@leadboat.com> writes: > > Consistently test for in-use shared memory. > > Hmm ... conchuela has just found another problem with this test case: > > ok 2 - detected live backend via shared memory > # Running: postgres --single -D > /home/pgbf/buildroot/HEAD/pgsql.build/src/test/recovery/tmp_check/t_017_shm_gnat_data/pgdata > template1 > ack Broken pipe: write( 16, 'SELECT 1 + 1' ) at > /usr/local/lib/perl5/site_perl/IPC/Run/IO.pm line 549. > > I interpret this as "the single-user backend exited before we could stuff > 'SELECT 1 + 1' down the pipe to it, and the Perl script is not expecting > to get a write failure there".
Perhaps I should write the 'SELECT 1 + 1' to a regular file and redirect input from that file.
