Add a test for pthread_gettid_np.
Bug: 17475191
Change-Id: I8c6a2f4ceba2d24a77ae9a21269edce523aea421
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 3a5c3dc..43587f4 100644
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -909,3 +909,29 @@
EXPECT_EQ(stack_size, stack_size2);
ASSERT_EQ(6666U, stack_size);
}
+
+#if defined(__BIONIC__)
+static void* pthread_gettid_np_helper(void* arg) {
+ *reinterpret_cast<pid_t*>(arg) = gettid();
+ return NULL;
+}
+#endif
+
+TEST(pthread, pthread_gettid_np) {
+#if defined(__BIONIC__)
+ ASSERT_EQ(gettid(), pthread_gettid_np(pthread_self()));
+
+ pid_t t_gettid_result;
+ pthread_t t;
+ pthread_create(&t, NULL, pthread_gettid_np_helper, &t_gettid_result);
+
+ pid_t t_pthread_gettid_np_result = pthread_gettid_np(t);
+
+ void* join_result;
+ pthread_join(t, &join_result);
+
+ ASSERT_EQ(t_gettid_result, t_pthread_gettid_np_result);
+#else
+ GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
+}