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comparison: ipc/glue/SharedMemory_windows.cpp
ipc/glue/SharedMemory_windows.cpp
- changeset 0
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| -1:000000000000 | 0:d6197c869067 |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * vim: sw=2 ts=8 et : | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include <windows.h> | |
| 9 | |
| 10 #include "mozilla/ipc/SharedMemory.h" | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace ipc { | |
| 14 | |
| 15 void | |
| 16 SharedMemory::SystemProtect(char* aAddr, size_t aSize, int aRights) | |
| 17 { | |
| 18 DWORD flags; | |
| 19 if ((aRights & RightsRead) && (aRights & RightsWrite)) | |
| 20 flags = PAGE_READWRITE; | |
| 21 else if (aRights & RightsRead) | |
| 22 flags = PAGE_READONLY; | |
| 23 else | |
| 24 flags = PAGE_NOACCESS; | |
| 25 | |
| 26 DWORD oldflags; | |
| 27 if (!VirtualProtect(aAddr, aSize, flags, &oldflags)) | |
| 28 NS_RUNTIMEABORT("can't VirtualProtect()"); | |
| 29 } | |
| 30 | |
| 31 size_t | |
| 32 SharedMemory::SystemPageSize() | |
| 33 { | |
| 34 SYSTEM_INFO si; | |
| 35 GetSystemInfo(&si); | |
| 36 return si.dwPageSize; | |
| 37 } | |
| 38 | |
| 39 } // namespace ipc | |
| 40 } // namespace mozilla |
