1 files changed, 4 insertions, 0 deletions
diff --git a/lib/poll.c b/lib/poll.c
index 5ad9d866be..b696dee0d6 100644
--- a/lib/poll.c
+++ b/lib/poll.c
@@ -303,6 +303,10 @@ compute_revents (int fd, int sought, fd_set *rfds, fd_set *wfds, fd_set *efds)
                || socket_errno == ECONNABORTED || socket_errno == ENETRESET)
         happened |= POLLHUP;
 
+      /* some systems can't use recv() on non-socket, including HP NonStop */
+      else if (socket_errno == ENOTSOCK)
+        happened |= (POLLIN | POLLRDNORM) & sought;
+
       else
         happened |= POLLERR;
     }