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83867d5234
Bug: 914246 Change-Id: I529467e92a5cbc2a372f4c12234cfd3af8ddfe0a Reviewed-on: https://chromium-review.googlesource.com/c/1382598 Commit-Queue: Joshua Peraza <jperaza@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Copyright 2018 The Crashpad Authors. All rights reserved.
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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 "util/linux/scoped_pr_set_dumpable.h"
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#include <sys/prctl.h>
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#include "base/logging.h"
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namespace crashpad {
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ScopedPrSetDumpable::ScopedPrSetDumpable(bool may_log) : may_log_(may_log) {
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int result = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0);
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PLOG_IF(ERROR, result < 0 && may_log_) << "prctl";
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was_dumpable_ = result > 0;
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if (!was_dumpable_) {
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result = prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
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PLOG_IF(ERROR, result != 0 && may_log_) << "prctl";
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}
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}
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ScopedPrSetDumpable::~ScopedPrSetDumpable() {
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if (!was_dumpable_) {
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int result = prctl(PR_SET_DUMPABLE, 0, 0, 0, 0);
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PLOG_IF(ERROR, result != 0 && may_log_) << "prctl";
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}
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}
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} // namespace crashpad
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