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/*
* 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>
#ifdef __BIONIC__
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_VM, &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));
}
#else
// For glibc, any call to clone with CLONE_VM set will cause later pthread
// calls in the same process to misbehave.
// See https://sourceware.org/bugzilla/show_bug.cgi?id=10311 for more details.
TEST(sched, clone) {
// In order to enumerate all possible tests for CTS, create an empty test.
GTEST_LOG_(INFO) << "This test does nothing.\n";
}
#endif
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