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-rw-r--r--erts/emulator/beam/erl_gc.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index 0d12e658d9..8ba94d89e9 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -1964,6 +1964,17 @@ setup_rootset(Process *p, Eterm *objv, int nobj, Rootset *rootset)
++n;
}
+ /*
+ * A trapping BIF can add to rootset by setting the extra_root
+ * in the process_structure.
+ */
+ if (p->extra_root != NULL) {
+ roots[n].v = p->extra_root->objv;
+ roots[n].sz = p->extra_root->sz;
+ ++n;
+ }
+
+
ASSERT((is_nil(p->seq_trace_token) ||
is_tuple(follow_moved(p->seq_trace_token)) ||
is_atom(p->seq_trace_token)));
@@ -2541,6 +2552,12 @@ offset_one_rootset(Process *p, Sint offs, char* area, Uint area_size,
p->dictionary->used,
offs, area, area_size);
}
+ if (p->extra_root != NULL) {
+ offset_heap_ptr(p->extra_root->objv,
+ p->extra_root->sz,
+ offs, area, area_size);
+ }
+
offset_heap_ptr(&p->fvalue, 1, offs, area, area_size);
offset_heap_ptr(&p->ftrace, 1, offs, area, area_size);
offset_heap_ptr(&p->seq_trace_token, 1, offs, area, area_size);