In isolationtester, retry after EINTR return from select(2).

Per report from Jaime Casanova.  Very curious that no one else has seen
this failure ... but the code is clearly wrong as-is.

diff --git a/src/test/isolation/isolationtester.c b/src/test/isolation/isolationtester.c
index c61d54c51f847fec17518ee22fdeed2472c0c524..f2807799d6e538c9075a3a45b79d3d8c512949f8 100644 (file)
--- a/src/test/isolation/isolationtester.c
+++ b/src/test/isolation/isolationtester.c
@@ -716,6 +716,8 @@ try_complete_step(Step * step, int flags)
        ret = select(sock + 1, &read_set, NULL, NULL, &timeout);
        if (ret < 0)            /* error in select() */
        {
+           if (errno == EINTR)
+               continue;
            fprintf(stderr, "select failed: %s\n", strerror(errno));
            exit_nicely();
        }