Merge with master

[lilypond.git] / lily / main.cc

diff --git a/lily/main.cc b/lily/main.cc
index 508b4b8f5bae126bbd6fe911afb5f37d47f72f03..7a524d77dc8b45295c838e9079195252a7dc123d 100644 (file)
--- a/lily/main.cc
+++ b/lily/main.cc
@@ -627,3 +627,25 @@ main (int argc, char **argv)
   /* Only reachable if GUILE exits.  That is an error.  */
   return 1;
 }
+
+SCM atexit_list = SCM_EOL;
+
+LY_DEFINE (ly_atexit, "ly:atexit",
+          2, 0, 0, (SCM proc, SCM args),
+          "Just before exiting, call the procedure given. "
+"If this is called multiple times, the procedures are called "
+"in LIFO order.")
+{
+  atexit_list = scm_cons (scm_cons (proc, args), atexit_list);
+  scm_gc_protect_object (atexit_list);
+  return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_do_atexit, "ly:do-atexit",
+          0, 0, 0, (),
+          "Call the atexit procedures.")
+{
+  for (SCM s = atexit_list; scm_is_pair (s); s = scm_cdr (s))
+    scm_apply_0 (scm_caar (s), scm_cdar (s));
+  return SCM_UNSPECIFIED;
+}