46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright 2019 The gVisor Authors.
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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/rlimit_util.h"
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#include <sys/resource.h>
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#include <cerrno>
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#include "test/util/cleanup.h"
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#include "test/util/logging.h"
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#include "test/util/posix_error.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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PosixErrorOr<Cleanup> ScopedSetSoftRlimit(int resource, rlim_t newval) {
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struct rlimit old_rlim;
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if (getrlimit(resource, &old_rlim) != 0) {
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return PosixError(errno, "getrlimit failed");
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}
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struct rlimit new_rlim = old_rlim;
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new_rlim.rlim_cur = newval;
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if (setrlimit(resource, &new_rlim) != 0) {
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return PosixError(errno, "setrlimit failed");
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}
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return Cleanup([resource, old_rlim] {
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TEST_PCHECK(setrlimit(resource, &old_rlim) == 0);
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});
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}
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} // namespace testing
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} // namespace gvisor
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