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// Copyright 2019 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.
#ifndef GVISOR_TEST_UTIL_PTY_UTIL_H_
#define GVISOR_TEST_UTIL_PTY_UTIL_H_
#include "test/util/file_descriptor.h"
#include "test/util/posix_error.h"
namespace gvisor {
namespace testing {
// Opens the replica end of the passed master as R/W and nonblocking. It does
// not set the replica as the controlling TTY.
PosixErrorOr<FileDescriptor> OpenReplica(const FileDescriptor& master);
// Identical to the above OpenReplica, but flags are all specified by the
// caller.
PosixErrorOr<FileDescriptor> OpenReplica(const FileDescriptor& master,
int flags);
// Get the number of the replica end of the master.
PosixErrorOr<int> ReplicaID(const FileDescriptor& master);
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_UTIL_PTY_UTIL_H_
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