Initial implementation of __cxa_thread_atexit_impl
This is initial implementations; does not yet handle
dlclose - undefined behavior, needs linker support to
handle it right.
Bug: 19800080
Bug: 16696563
Change-Id: I7a3e21ed7f7ec01e62ea1b7cb2ab253590ea0686
diff --git a/tests/__cxa_thread_atexit_test.cpp b/tests/__cxa_thread_atexit_test.cpp
new file mode 100644
index 0000000..0177314
--- /dev/null
+++ b/tests/__cxa_thread_atexit_test.cpp
@@ -0,0 +1,74 @@
+/*
+ * 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 <gtest/gtest.h>
+
+#include <stdint.h>
+
+#include <string>
+
+extern "C" int __cxa_thread_atexit_impl(void (*fn)(void*), void* arg, void* dso_handle);
+
+static void thread_atexit_fn1(void* arg) {
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "one, ";
+}
+
+static void thread_atexit_fn2(void* arg) {
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "two, ";
+}
+
+static void thread_atexit_from_atexit(void* arg) {
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "oops, ";
+}
+
+static void thread_atexit_fn3(void* arg) {
+ __cxa_thread_atexit_impl(thread_atexit_from_atexit, arg, nullptr);
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "three, ";
+}
+
+static void thread_atexit_fn4(void* arg) {
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "four, ";
+}
+
+static void thread_atexit_fn5(void* arg) {
+ std::string* call_sequence = static_cast<std::string*>(arg);
+ *call_sequence += "five.";
+}
+
+static void* thread_main(void* arg) {
+ __cxa_thread_atexit_impl(thread_atexit_fn5, arg, nullptr);
+ __cxa_thread_atexit_impl(thread_atexit_fn4, arg, nullptr);
+ __cxa_thread_atexit_impl(thread_atexit_fn3, arg, nullptr);
+ __cxa_thread_atexit_impl(thread_atexit_fn2, arg, nullptr);
+ __cxa_thread_atexit_impl(thread_atexit_fn1, arg, nullptr);
+ return nullptr;
+}
+
+TEST(__cxa_thread_atexit_impl, smoke) {
+ std::string atexit_call_sequence;
+
+ pthread_t t;
+ ASSERT_EQ(0, pthread_create(&t, nullptr, thread_main, &atexit_call_sequence));
+ ASSERT_EQ(0, pthread_join(t, nullptr));
+ ASSERT_EQ("one, two, three, oops, four, five.", atexit_call_sequence);
+}
+
+