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0520fdff1e
CrashpadClient will need ScopedPrSetPtracer when launching a handler process in response to a crash. Bug: crashpad:30 Change-Id: I35bc784b948349ca771f9cd65ef1089e626976bb Reviewed-on: https://chromium-review.googlesource.com/927352 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Joshua Peraza <jperaza@chromium.org>
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
// Copyright 2017 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_ptracer.h"
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#include <errno.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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ScopedPrSetPtracer::ScopedPrSetPtracer(pid_t pid, bool may_log)
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: success_(false), may_log_(may_log) {
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success_ = prctl(PR_SET_PTRACER, pid, 0, 0, 0) == 0;
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PLOG_IF(ERROR, !success_ && may_log && errno != EINVAL) << "prctl";
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}
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ScopedPrSetPtracer::~ScopedPrSetPtracer() {
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if (success_) {
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int res = prctl(PR_SET_PTRACER, 0, 0, 0, 0);
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PLOG_IF(ERROR, res != 0 && may_log_) << "prctl";
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}
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}
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} // namespace crashpad
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