upload android base code part3

android/bionic/tests/libs/atexit_testlib.cpp

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+
+// use external control number from main test
+static std::string* atexit_sequence = nullptr;
+static bool* atexit_valid_this_in_static_dtor = nullptr;
+static bool* atexit_attr_dtor_called = nullptr;
+
+static int cxx_ctor_called = 0;
+static int attr_ctor_called = 0;
+
+static class AtExitStaticClass {
+ public:
+  AtExitStaticClass() {
+    expected_this = this;
+    cxx_ctor_called = 1;
+  }
+  ~AtExitStaticClass() {
+    if (atexit_valid_this_in_static_dtor) {
+      *atexit_valid_this_in_static_dtor = (expected_this == this);
+    }
+  }
+ private:
+  static const AtExitStaticClass* expected_this;
+
+} static_obj;
+
+const AtExitStaticClass* AtExitStaticClass::expected_this = nullptr;
+
+// 4
+static void atexit_handler_from_atexit_from_atexit2() {
+  *atexit_sequence += " on";
+}
+
+// 3
+static void atexit_handler_from_atexit_from_atexit1() {
+  *atexit_sequence += " sat";
+}
+
+// 2
+static void atexit_handler_from_atexit() {
+  *atexit_sequence += " Dumpty";
+  // register 2 others
+  atexit(atexit_handler_from_atexit_from_atexit2);
+  atexit(atexit_handler_from_atexit_from_atexit1);
+}
+
+// 1
+static void atexit_handler_with_atexit() {
+  *atexit_sequence += "Humpty";
+  atexit(atexit_handler_from_atexit);
+}
+
+// last
+static void atexit_handler_regular() {
+  *atexit_sequence += " a wall";
+}
+
+// attribute c-tor and d-tor
+static void __attribute__((constructor)) atexit_attr_ctor() {
+  attr_ctor_called = 1;
+}
+
+static void __attribute__((destructor)) atexit_attr_dtor() {
+  if (atexit_attr_dtor_called) {
+    *atexit_attr_dtor_called = true;
+  }
+}
+
+extern "C" void register_atexit(std::string* sequence, bool* valid_this_in_static_dtor, bool* attr_dtor_called) {
+  atexit_sequence = sequence;
+  atexit_valid_this_in_static_dtor = valid_this_in_static_dtor;
+  atexit_attr_dtor_called = attr_dtor_called;
+  atexit(atexit_handler_regular);
+  atexit(atexit_handler_with_atexit);
+}
+
+extern "C" int get_cxx_ctor_called() {
+  return cxx_ctor_called;
+}
+
+extern "C" int get_attr_ctor_called() {
+  return attr_ctor_called;
+}
+