| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome_frame/pin_module.h" |
| |
| #include <windows.h> |
| |
| #include "base/logging.h" |
| #include "chrome_frame/utils.h" |
| |
| extern "C" IMAGE_DOS_HEADER __ImageBase; |
| |
| namespace chrome_frame { |
| |
| namespace { |
| |
| PinModuleCallbackFn g_pin_module_callback = NULL; |
| |
| } // namespace |
| |
| void SetPinModuleCallback(PinModuleCallbackFn callback) { |
| g_pin_module_callback = callback; |
| } |
| |
| void PinModule() { |
| static bool s_pinned = false; |
| if (!s_pinned && !IsUnpinnedMode()) { |
| wchar_t system_buffer[MAX_PATH]; |
| HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase); |
| system_buffer[0] = 0; |
| if (GetModuleFileName(this_module, system_buffer, |
| arraysize(system_buffer)) != 0) { |
| HMODULE unused; |
| if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_PIN, system_buffer, |
| &unused)) { |
| DPLOG(FATAL) << "Failed to pin module " << system_buffer; |
| } else { |
| s_pinned = true; |
| if (g_pin_module_callback) |
| g_pin_module_callback(); |
| } |
| } else { |
| DPLOG(FATAL) << "Could not get module path."; |
| } |
| } |
| } |
| |
| } // namespace chrome_frame |