availability: Add optional groups and implement guestfs_available call.

[libguestfs.git] / daemon / modprobe.c

diff --git a/daemon/modprobe.c b/daemon/modprobe.c
index 7e3d1b7..ac62b34 100644 (file)
--- a/daemon/modprobe.c
+++ b/daemon/modprobe.c
@@ -23,6 +23,14 @@
 
 #include "daemon.h"
 #include "actions.h"
+#include "optgroups.h"
+
+int
+optgroup_linuxmodules_available (void)
+{
+  int r = access ("/sbin/modprobe", X_OK);
+  return r == 0;
+}
 
 int
 do_modprobe (const char *module)