* modules.c (the_root_module): Moved before scm_current_module.

(scm_current_module): Return the root module if `the-module' fluid
gives #f.

* standalone/Makefile.am: Add stanza for test-with-guile-module.

* standalone/test-with-guile-module.c: New test.

test-suite/standalone/test-with-guile-module.c

@@ -0,0 +1,52 @@
+#include <pthread.h>
+#include <libguile.h>
+
+void * thread_inner_main (void * unused);
+void * thread_main (void * unused);
+void * do_join (void * data);
+void * inner_main (void * unused);
+
+void * thread_inner_main (void * unused)
+{
+  int argc = 3;
+  char* argv[] = { "guile",
+		   "-c",
+		   "(or (current-module) (exit -1))",
+		   0 };
+  scm_shell (argc, argv);
+
+  return NULL; /* dummy */
+}
+
+void * thread_main (void * unused)
+{
+  scm_with_guile (&thread_inner_main, NULL);
+
+  return NULL; /* dummy */
+}
+
+void * do_join (void * data)
+{
+  pthread_t *thread = (pthread_t *)data;
+
+  pthread_join (*thread, NULL);
+
+  return NULL; /* dummy */
+}
+
+void * inner_main (void * unused)
+{
+  pthread_t thread;
+
+  pthread_create (&thread, NULL, &thread_main, NULL);
+  scm_without_guile (do_join, &thread);
+
+  return NULL; /* dummy */
+}
+
+int main (int argc, char **argv)
+{
+  scm_with_guile (&inner_main, NULL);
+
+  return 0;
+}