| // 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 <stddef.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) && |
| (!tolerate_termination_ || status != STATUS_PROCESS_IS_TERMINATING)) { |
| NTSTATUS_LOG(ERROR, status) << "NtResumeProcess"; |
| } |
| } |
| } |
| |
| void ScopedProcessSuspend::TolerateTermination() { |
| tolerate_termination_ = true; |
| } |
| |
| } // namespace crashpad |
