crashpad/util/linux/scoped_pr_set_dumpable.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

42 lines
1.2 KiB
C++

// Copyright 2018 The Crashpad 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.
#include "util/linux/scoped_pr_set_dumpable.h"
#include <sys/prctl.h>
#include "base/logging.h"
namespace crashpad {
ScopedPrSetDumpable::ScopedPrSetDumpable(bool may_log) : may_log_(may_log) {
int result = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0);
PLOG_IF(ERROR, result < 0 && may_log_) << "prctl";
was_dumpable_ = result > 0;
if (!was_dumpable_) {
result = prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
PLOG_IF(ERROR, result != 0 && may_log_) << "prctl";
}
}
ScopedPrSetDumpable::~ScopedPrSetDumpable() {
if (!was_dumpable_) {
int result = prctl(PR_SET_DUMPABLE, 0, 0, 0, 0);
PLOG_IF(ERROR, result != 0 && may_log_) << "prctl";
}
}
} // namespace crashpad