crashpad/util/win/scoped_process_suspend.cc
Scott Graham 6c39959a97 win: Only resume process if successfully suspended
R=mark@chromium.org
BUG=crashpad:110

Change-Id: I9c8ad6e1dfc53fdf93ed6316b0efa55a880b77f9
Reviewed-on: https://chromium-review.googlesource.com/345668
Reviewed-by: Mark Mentovai <mark@chromium.org>
2016-05-18 23:45:59 +00:00

44 lines
1.3 KiB
C++

// Copyright 2015 The Crashpad Authors. All rights reserved.
//
// 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/win/scoped_process_suspend.h"
#include <winternl.h>
#include "util/win/nt_internals.h"
#include "util/win/ntstatus_logging.h"
namespace crashpad {
ScopedProcessSuspend::ScopedProcessSuspend(HANDLE process) {
NTSTATUS status = NtSuspendProcess(process);
if (NT_SUCCESS(status)) {
process_ = process;
} else {
process_ = nullptr;
NTSTATUS_LOG(ERROR, status) << "NtSuspendProcess";
}
}
ScopedProcessSuspend::~ScopedProcessSuspend() {
if (process_) {
NTSTATUS status = NtResumeProcess(process_);
if (!NT_SUCCESS(status)) {
NTSTATUS_LOG(ERROR, status) << "NtResumeProcess";
}
}
}
} // namespace crashpad