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| 1 // Copyright 2015 The Crashpad Authors. All rights reserved. |
| 2 // |
| 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 // you may not use this file except in compliance with the License. |
| 5 // You may obtain a copy of the License at |
| 6 // |
| 7 // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 // |
| 9 // Unless required by applicable law or agreed to in writing, software |
| 10 // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 // See the License for the specific language governing permissions and |
| 13 // limitations under the License. |
| 14 |
| 15 #include "util/win/scoped_process_suspend.h" |
| 16 |
| 17 #include <winternl.h> |
| 18 |
| 19 #include "base/logging.h" |
| 20 |
| 21 namespace crashpad { |
| 22 |
| 23 ScopedProcessSuspend::ScopedProcessSuspend(HANDLE process) : process_(process) { |
| 24 typedef NTSTATUS(__stdcall * NtSuspendProcessFunc)(HANDLE); |
| 25 static NtSuspendProcessFunc func = reinterpret_cast<NtSuspendProcessFunc>( |
| 26 GetProcAddress(GetModuleHandle(L"ntdll.dll"), "NtSuspendProcess")); |
| 27 NTSTATUS status = func(process_); |
| 28 if (status) |
| 29 LOG(ERROR) << "NtSuspendProcess, ntstatus=" << status; |
| 30 } |
| 31 |
| 32 ScopedProcessSuspend::~ScopedProcessSuspend() { |
| 33 typedef NTSTATUS(__stdcall * NtResumeProcessFunc)(HANDLE); |
| 34 static NtResumeProcessFunc func = reinterpret_cast<NtResumeProcessFunc>( |
| 35 GetProcAddress(GetModuleHandle(L"ntdll.dll"), "NtResumeProcess")); |
| 36 NTSTATUS status = func(process_); |
| 37 if (status) |
| 38 LOG(ERROR) << "NtResumeProcess, ntstatus=" << status; |
| 39 } |
| 40 |
| 41 } // namespace crashpad |
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