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-rw-r--r--erts/emulator/beam/erl_bif_info.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index f6a98c85fd..16c06766fb 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -4674,6 +4674,16 @@ BIF_RETTYPE erts_debug_set_internal_state_2(BIF_ALIST_2)
BIF_RET(am_notsup);
#endif
}
+ else if (ERTS_IS_ATOM_STR("mbuf", BIF_ARG_1)) {
+ Uint sz = size_object(BIF_ARG_2);
+ ErlHeapFragment* frag = new_message_buffer(sz);
+ Eterm *hp = frag->mem;
+ Eterm copy = copy_struct(BIF_ARG_2, sz, &hp, &frag->off_heap);
+ frag->next = BIF_P->mbuf;
+ BIF_P->mbuf = frag;
+ BIF_P->mbuf_sz += sz;
+ BIF_RET(copy);
+ }
}
BIF_ERROR(BIF_P, BADARG);