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-rw-r--r--erts/emulator/beam/atom.c5
-rw-r--r--erts/emulator/beam/atom.h2
-rw-r--r--erts/emulator/beam/atom.names3
3 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c
index b47739059b..2b5ad097a0 100644
--- a/erts/emulator/beam/atom.c
+++ b/erts/emulator/beam/atom.c
@@ -199,7 +199,7 @@ atom_alloc(Atom* tmpl)
static void
atom_free(Atom* obj)
{
- erts_free(ERTS_ALC_T_ATOM, (void*) obj);
+ ASSERT(obj->slot.index == atom_val(am_ErtsSecretAtom));
}
static void latin1_to_utf8(byte* conv_buf, const byte** srcp, int* lenp)
@@ -467,6 +467,9 @@ init_atom_table(void)
atom_space -= a.len;
atom_tab(ix)->name = (byte*)erl_atom_names[i];
}
+
+ /* Hide am_ErtsSecretAtom */
+ hash_erase(&erts_atom_table.htable, atom_tab(atom_val(am_ErtsSecretAtom)));
}
void
diff --git a/erts/emulator/beam/atom.h b/erts/emulator/beam/atom.h
index f3b21e1687..abd3b44993 100644
--- a/erts/emulator/beam/atom.h
+++ b/erts/emulator/beam/atom.h
@@ -133,8 +133,6 @@ int atom_table_sz(void); /* table size in bytes, excluding stored objects */
Eterm am_atom_put(const char*, int); /* ONLY 7-bit ascii! */
Eterm erts_atom_put(const byte *name, int len, ErtsAtomEncoding enc, int trunc);
-int atom_erase(byte*, int);
-int atom_static_put(byte*, int);
void init_atom_table(void);
void atom_info(fmtfn_t, void *);
void dump_atoms(fmtfn_t, void *);
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 66af05c1f2..b1aeed7889 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -59,6 +59,9 @@ atom nocatch
atom undefined_function
atom undefined_lambda
+# Secret internal atom that can never be found by string lookup
+# and should never leak out to be seen by the user.
+atom ErtsSecretAtom='3RT$'
# All other atoms. Try to keep the order alphabetic.
#