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-rw-r--r--libguile/gc-mark.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/libguile/gc-mark.c b/libguile/gc-mark.c
index d72caf1ac..c334c1075 100644
--- a/libguile/gc-mark.c
+++ b/libguile/gc-mark.c
@@ -165,12 +165,19 @@ scm_gc_mark (SCM ptr)
if (SCM_GC_MARK_P (ptr))
return;
+ if (!scm_i_marking)
+ {
+ static const char msg[]
+ = "Should only call scm_gc_mark() during GC.";
+ scm_c_issue_deprecation_warning (msg);
+ }
+
SCM_SET_GC_MARK (ptr);
scm_gc_mark_dependencies (ptr);
}
void
-ensure_marking (void)
+scm_i_ensure_marking (void)
{
assert (scm_i_marking);
}