Move pthread_atfork_dlclose test out of static lib
Bug: http://b/20858755
Change-Id: I0d84e8b43dc33902d75af18db6b7c8e0b619d718
diff --git a/tests/pthread_dlfcn_test.cpp b/tests/pthread_dlfcn_test.cpp
new file mode 100644
index 0000000..5e8b206
--- /dev/null
+++ b/tests/pthread_dlfcn_test.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2015 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 <dlfcn.h>
+
+static int g_atfork_prepare_calls = 0;
+static void AtForkPrepare1() { g_atfork_prepare_calls = (g_atfork_prepare_calls * 10) + 1; }
+static void AtForkPrepare2() { g_atfork_prepare_calls = (g_atfork_prepare_calls * 10) + 2; }
+static void AtForkPrepare3() { g_atfork_prepare_calls = (g_atfork_prepare_calls * 10) + 3; }
+static void AtForkPrepare4() { g_atfork_prepare_calls = (g_atfork_prepare_calls * 10) + 4; }
+
+static int g_atfork_parent_calls = 0;
+static void AtForkParent1() { g_atfork_parent_calls = (g_atfork_parent_calls * 10) + 1; }
+static void AtForkParent2() { g_atfork_parent_calls = (g_atfork_parent_calls * 10) + 2; }
+static void AtForkParent3() { g_atfork_parent_calls = (g_atfork_parent_calls * 10) + 3; }
+static void AtForkParent4() { g_atfork_parent_calls = (g_atfork_parent_calls * 10) + 4; }
+
+static int g_atfork_child_calls = 0;
+static void AtForkChild1() { g_atfork_child_calls = (g_atfork_child_calls * 10) + 1; }
+static void AtForkChild2() { g_atfork_child_calls = (g_atfork_child_calls * 10) + 2; }
+static void AtForkChild3() { g_atfork_child_calls = (g_atfork_child_calls * 10) + 3; }
+static void AtForkChild4() { g_atfork_child_calls = (g_atfork_child_calls * 10) + 4; }
+
+TEST(pthread, pthread_atfork_with_dlclose) {
+ ASSERT_EQ(0, pthread_atfork(AtForkPrepare1, AtForkParent1, AtForkChild1));
+
+ void* handle = dlopen("libtest_pthread_atfork.so", RTLD_NOW | RTLD_LOCAL);
+ ASSERT_TRUE(handle != nullptr) << dlerror();
+ typedef int (*fn_t)(void (*)(void), void (*)(void), void (*)(void));
+ fn_t fn = reinterpret_cast<fn_t>(dlsym(handle, "proxy_pthread_atfork"));
+ ASSERT_TRUE(fn != nullptr) << dlerror();
+ // the library registers 2 additional atfork handlers in a constructor
+ ASSERT_EQ(0, fn(AtForkPrepare2, AtForkParent2, AtForkChild2));
+ ASSERT_EQ(0, fn(AtForkPrepare3, AtForkParent3, AtForkChild3));
+
+ ASSERT_EQ(0, pthread_atfork(AtForkPrepare4, AtForkParent4, AtForkChild4));
+
+ int pid = fork();
+
+ ASSERT_NE(-1, pid) << strerror(errno);
+
+ if (pid == 0) {
+ ASSERT_EQ(1234, g_atfork_child_calls);
+ _exit(0);
+ }
+
+ ASSERT_EQ(1234, g_atfork_parent_calls);
+ ASSERT_EQ(4321, g_atfork_prepare_calls);
+
+ EXPECT_EQ(0, dlclose(handle));
+ g_atfork_prepare_calls = g_atfork_parent_calls = g_atfork_child_calls = 0;
+
+ int status;
+ ASSERT_EQ(pid, waitpid(pid, &status, 0));
+
+ pid = fork();
+
+ ASSERT_NE(-1, pid) << strerror(errno);
+
+ if (pid == 0) {
+ ASSERT_EQ(14, g_atfork_child_calls);
+ _exit(0);
+ }
+
+ ASSERT_EQ(14, g_atfork_parent_calls);
+ ASSERT_EQ(41, g_atfork_prepare_calls);
+
+ ASSERT_EQ(pid, waitpid(pid, &status, 0));
+}