50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
// Copyright 2015 The Crashpad 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 "util/win/scoped_process_suspend.h"
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#include <stddef.h>
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#include <winternl.h>
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#include "util/win/nt_internals.h"
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#include "util/win/ntstatus_logging.h"
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namespace crashpad {
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ScopedProcessSuspend::ScopedProcessSuspend(HANDLE process) {
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NTSTATUS status = NtSuspendProcess(process);
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if (NT_SUCCESS(status)) {
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process_ = process;
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} else {
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process_ = nullptr;
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NTSTATUS_LOG(ERROR, status) << "NtSuspendProcess";
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}
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}
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ScopedProcessSuspend::~ScopedProcessSuspend() {
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if (process_) {
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NTSTATUS status = NtResumeProcess(process_);
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if (!NT_SUCCESS(status) &&
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(!tolerate_termination_ || status != STATUS_PROCESS_IS_TERMINATING)) {
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NTSTATUS_LOG(ERROR, status) << "NtResumeProcess";
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}
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}
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}
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void ScopedProcessSuspend::TolerateTermination() {
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tolerate_termination_ = true;
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}
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} // namespace crashpad
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