44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Copyright 2019 Google LLC
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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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#ifndef GVISOR_TEST_UTIL_EVENTFD_UTIL_H_
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#define GVISOR_TEST_UTIL_EVENTFD_UTIL_H_
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#include <sys/eventfd.h>
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#include <cerrno>
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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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// Returns a new eventfd with the given initial value and flags.
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inline PosixErrorOr<FileDescriptor> NewEventFD(unsigned int initval = 0,
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int flags = 0) {
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int fd = eventfd(initval, flags);
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MaybeSave();
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if (fd < 0) {
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return PosixError(errno, "eventfd");
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}
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return FileDescriptor(fd);
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}
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} // namespace testing
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} // namespace gvisor
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#endif // GVISOR_TEST_UTIL_EVENTFD_UTIL_H_
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