Fix the x86_64 clone implementation.

Change-Id: Ia75f46dcb4d3222049e9a6a6fabc2b17223b47f7

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/sched_test.cpp b/tests/sched_test.cpp
new file mode 100644
index 000000000..ec48a4b37
--- /dev/null
+++ b/tests/sched_test.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 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 <errno.h>
+#include <sched.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+static int child_fn(void* i_ptr) {
+  *reinterpret_cast<int*>(i_ptr) = 42;
+  return 123;
+}
+
+TEST(sched, clone) {
+  void* child_stack[1024];
+
+  int i = 0;
+  pid_t tid = clone(child_fn, &child_stack[1024], /*CLONE_FILES | CLONE_FS | */CLONE_VM/* | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM*/, &i);
+
+  int status;
+  ASSERT_EQ(tid, TEMP_FAILURE_RETRY(waitpid(tid, &status, __WCLONE)));
+
+  ASSERT_EQ(42, i);
+
+  ASSERT_TRUE(WIFEXITED(status));
+  ASSERT_EQ(123, WEXITSTATUS(status));
+}