1 files changed, 66 insertions, 0 deletions
diff --git a/tests/libs/thread_exit_cb_helper.cpp b/tests/libs/thread_exit_cb_helper.cpp
new file mode 100644
index 000000000..8ec1398f1
--- /dev/null
+++ b/tests/libs/thread_exit_cb_helper.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+// Prevent tests from being compiled with glibc because thread_properties.h
+// only exists in Bionic.
+#if defined(__BIONIC__)
+
+#include <stdio.h>
+#include <sys/thread_properties.h>
+
+// Helper binary for testing thread_exit_cb registration.
+
+void exit_cb_1() {
+  printf("exit_cb_1 called ");
+}
+
+void exit_cb_2() {
+  printf("exit_cb_2 called ");
+}
+
+void exit_cb_3() {
+  printf("exit_cb_3 called");
+}
+
+void test_register_thread_exit_cb() {
+  // Register the exit-cb in reverse order (3,2,1)
+  // so that they'd be called in 1,2,3 order.
+  __libc_register_thread_exit_callback(&exit_cb_3);
+  __libc_register_thread_exit_callback(&exit_cb_2);
+  __libc_register_thread_exit_callback(&exit_cb_1);
+}
+
+int main() {
+  test_register_thread_exit_cb();
+  return 0;
+}
+#else
+int main() {
+  return 0;
+}
+#endif  // __BIONIC__