isolationtester: add a few fflush(stderr) calls

The lack of them is causing failures in some BF members.

Per Andrew Dunstan.

diff --git a/src/test/isolation/isolationtester.c b/src/test/isolation/isolationtester.c
index f1bb87d2f130bbb39476cd74720092d05ee63a2e..56cc7fea4f52756fdbfd01c50af729872561d7a9 100644 (file)
--- a/src/test/isolation/isolationtester.c
+++ b/src/test/isolation/isolationtester.c
@@ -566,6 +566,7 @@ run_permutation(TestSpec * testspec, int nsteps, Step ** steps)
             */
            fflush(stdout);
            fprintf(stderr, "invalid permutation detected\n");
+           fflush(stderr);
 
            /* Cancel the waiting statement from this session. */
            cancel = PQgetCancel(conn);
@@ -648,6 +649,7 @@ teardown:
                        testspec->sessions[i]->name,
                        PQerrorMessage(conns[i + 1]));
                /* don't exit on teardown failure */
+               fflush(stderr);
            }
            PQclear(res);
        }
@@ -666,7 +668,7 @@ teardown:
            fprintf(stderr, "teardown failed: %s",
                    PQerrorMessage(conns[0]));
            /* don't exit on teardown failure */
-
+           fflush(stderr);
        }
        PQclear(res);
    }