test: raise fd limit to maximum before running fdpass tests

Many of these tests require more than the default fd limit on some systems,
so raise the limit, if we can, to give them a better chance of being able
to run.

Closes #176
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

diff --git a/test/fdpass.c b/test/fdpass.c
index cf344dae36ca476ff8ce3360fc5cc792cc23de1c..664fd1363e66943680b93bdc0e0420c83721e1ff 100644 (file)
--- a/test/fdpass.c
+++ b/test/fdpass.c
@@ -910,6 +910,16 @@ main (int argc,
       if (getrlimit (RLIMIT_NOFILE, &lim) < 0)
         g_error ("Failed to get RLIMIT_NOFILE limit: %s", g_strerror (errno));
 
+      if ((lim.rlim_cur != RLIM_INFINITY) && (lim.rlim_cur < lim.rlim_max))
+        {
+          /* Many test require large number of file descriptors,
+           * so max out what they can use */
+          lim.rlim_cur = lim.rlim_max;
+          if (setrlimit (RLIMIT_NOFILE, &lim) < 0)
+            g_error ("Failed to set RLIMIT_NOFILE limit to %ld: %s",
+                     (long) lim.rlim_cur, g_strerror (errno));
+        }
+
       if (lim.rlim_cur != RLIM_INFINITY &&
           /* only run if we have a fairly generous margin of error
            * for stdout, stderr, duplicates, the D-Bus connection, etc. */