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// 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.
#ifndef GVISOR_TEST_UTIL_EPOLL_UTIL_H_
#define GVISOR_TEST_UTIL_EPOLL_UTIL_H_
#include "test/util/file_descriptor.h"
#include "test/util/posix_error.h"
namespace gvisor {
namespace testing {
// Returns a new epoll file descriptor.
PosixErrorOr<FileDescriptor> NewEpollFD(int size = 1);
// Registers `target_fd` with the epoll instance represented by `epoll_fd` for
// the epoll events `events`. Events on `target_fd` will be indicated by setting
// data.u64 to `data` in the returned epoll_event.
PosixError RegisterEpollFD(int epoll_fd, int target_fd, int events,
uint64_t data);
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_UTIL_EPOLL_UTIL_H_
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