sandbox/win/src/sharedmem_ipc_client.cc - Issue 10689170: Move the Windows sandbox to sandbox/win

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Side by Side Diff: sandbox/win/src/sharedmem_ipc_client.cc

Issue 10689170: Move the Windows sandbox to sandbox/win (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Rebase on top of tree (properly this time) Created 8 years, 5 months ago

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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include <string.h>	5 #include <string.h>

6 #include "sandbox/src/sharedmem_ipc_client.h"	6 #include "sandbox/win/src/sharedmem_ipc_client.h"

7 #include "sandbox/src/sandbox.h"	7 #include "sandbox/win/src/sandbox.h"

8 #include "sandbox/src/crosscall_client.h"	8 #include "sandbox/win/src/crosscall_client.h"

9 #include "sandbox/src/crosscall_params.h"	9 #include "sandbox/win/src/crosscall_params.h"

10 #include "base/logging.h"	10 #include "base/logging.h"

11	11

12 namespace sandbox {	12 namespace sandbox {

13	13

14 // Get the base of the data buffer of the channel; this is where the input	14 // Get the base of the data buffer of the channel; this is where the input

15 // parameters get serialized. Since they get serialized directly into the	15 // parameters get serialized. Since they get serialized directly into the

16 // channel we avoid one copy.	16 // channel we avoid one copy.

17 void* SharedMemIPCClient::GetBuffer() {	17 void* SharedMemIPCClient::GetBuffer() {

18 bool failure = false;	18 bool failure = false;

19 size_t ix = LockFreeChannel(&failure);	19 size_t ix = LockFreeChannel(&failure);

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143	143

144 // Find out which channel we are from the pointer returned by GetBuffer.	144 // Find out which channel we are from the pointer returned by GetBuffer.

145 size_t SharedMemIPCClient::ChannelIndexFromBuffer(const void* buffer) {	145 size_t SharedMemIPCClient::ChannelIndexFromBuffer(const void* buffer) {

146 ptrdiff_t d = reinterpret_cast<const char*>(buffer) - first_base_;	146 ptrdiff_t d = reinterpret_cast<const char*>(buffer) - first_base_;

147 size_t num = d/kIPCChannelSize;	147 size_t num = d/kIPCChannelSize;

148 DCHECK(num < control_->channels_count);	148 DCHECK(num < control_->channels_count);

149 return (num);	149 return (num);

150 }	150 }

151	151

152 } // namespace sandbox	152 } // namespace sandbox

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