2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-12-27 22:58:41 +00:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "test/util/epoll_util.h"
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#include <sys/epoll.h>
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#include "gmock/gmock.h"
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#include "test/util/file_descriptor.h"
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#include "test/util/posix_error.h"
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#include "test/util/save_util.h"
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namespace gvisor {
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namespace testing {
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PosixErrorOr<FileDescriptor> NewEpollFD(int size) {
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// "Since Linux 2.6.8, the size argument is ignored, but must be greater than
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// zero." - epoll_create(2)
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int fd = epoll_create(size);
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MaybeSave();
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if (fd < 0) {
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return PosixError(errno, "epoll_create");
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}
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return FileDescriptor(fd);
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}
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PosixError RegisterEpollFD(int epoll_fd, int target_fd, int events,
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uint64_t data) {
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struct epoll_event event;
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event.events = events;
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event.data.u64 = data;
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int rc = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, target_fd, &event);
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MaybeSave();
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if (rc < 0) {
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return PosixError(errno, "epoll_ctl");
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}
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return NoError();
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}
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} // namespace testing
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} // namespace gvisor
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