Close each descriptor immediately so the test

doesn't mistakenly hit the max-open-files limit.

diff --git a/m4/mkstemp.m4 b/m4/mkstemp.m4
index 21bcc381d3c56ecf3b55c637899778a641221de8..a7c12d8891b8e5d08eed48b4a199e866fff4d6be 100644 (file)
--- a/m4/mkstemp.m4
+++ b/m4/mkstemp.m4
@@ -26,8 +26,10 @@ AC_DEFUN([UTILS_FUNC_MKSTEMP],
            for (i = 0; i < 30; i++)
              {
                char template[] = "$utils_tmpdir_mkstemp/aXXXXXX";
-               if (mkstemp (template) == -1)
+               int fd = mkstemp (template);
+               if (fd == -1)
                  exit (1);
+               close (fd);
              }
            exit (0);
          }