diff --git a/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c b/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
index 923533ba27..79181d2ebe 100644
--- a/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
+++ b/repos/dde_linux/src/lib/lx_emul/spec/x86_32/atomic64_32.c
@@ -30,3 +30,15 @@ s64 arch_atomic64_fetch_add(s64 i, atomic64_t *v)
 	v->counter += i;
 	return v->counter;
 }
+
+
+s64 arch_atomic64_dec_return(atomic64_t *v)
+{
+	return arch_atomic64_sub(1, v);
+}
+
+
+s64 arch_atomic64_inc_return(atomic64_t *v)
+{
+	return arch_atomic64_add(1, v);
+}