Files
Michael Pratt 4d52a55201 Change copyright notice to "The gVisor Authors"
Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.

1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.

Fixes #209

PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29 14:26:23 -07:00

51 lines
1.3 KiB
C++

// Copyright 2018 The gVisor Authors.
//
// 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 <errno.h>
#include <sched.h>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/synchronization/mutex.h"
#include "test/util/test_util.h"
#include "test/util/thread_util.h"
namespace gvisor {
namespace testing {
namespace {
TEST(UnshareTest, AllowsZeroFlags) {
ASSERT_THAT(unshare(0), SyscallSucceeds());
}
TEST(UnshareTest, ThreadFlagFailsIfMultithreaded) {
absl::Mutex mu;
bool finished = false;
ScopedThread t([&] {
mu.Lock();
mu.Await(absl::Condition(&finished));
mu.Unlock();
});
ASSERT_THAT(unshare(CLONE_THREAD), SyscallFailsWithErrno(EINVAL));
mu.Lock();
finished = true;
mu.Unlock();
}
} // namespace
} // namespace testing
} // namespace gvisor