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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome_frame/pin_module.h" |
| 6 |
| 7 #include <windows.h> |
| 8 |
| 9 #include "base/logging.h" |
| 10 #include "chrome_frame/utils.h" |
| 11 |
| 12 extern "C" IMAGE_DOS_HEADER __ImageBase; |
| 13 |
| 14 namespace chrome_frame { |
| 15 |
| 16 namespace { |
| 17 |
| 18 PinModuleCallbackFn g_pin_module_callback = NULL; |
| 19 |
| 20 } // namespace |
| 21 |
| 22 void SetPinModuleCallback(PinModuleCallbackFn callback) { |
| 23 g_pin_module_callback = callback; |
| 24 } |
| 25 |
| 26 void PinModule() { |
| 27 static bool s_pinned = false; |
| 28 if (!s_pinned && !IsUnpinnedMode()) { |
| 29 wchar_t system_buffer[MAX_PATH]; |
| 30 HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase); |
| 31 system_buffer[0] = 0; |
| 32 if (GetModuleFileName(this_module, system_buffer, |
| 33 arraysize(system_buffer)) != 0) { |
| 34 HMODULE unused; |
| 35 if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_PIN, system_buffer, |
| 36 &unused)) { |
| 37 DPLOG(FATAL) << "Failed to pin module " << system_buffer; |
| 38 } else { |
| 39 s_pinned = true; |
| 40 if (g_pin_module_callback) |
| 41 g_pin_module_callback(); |
| 42 } |
| 43 } else { |
| 44 DPLOG(FATAL) << "Could not get module path."; |
| 45 } |
| 46 } |
| 47 } |
| 48 |
| 49 } // namespace chrome_frame |
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